10-K

Index to Financial Statements

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended DECEMBER 31, 2023

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission file number 1-32740

ENERGY TRANSFER LP

(Exact name of registrant as specified in its charter)

Delaware	30-0108820
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

8111 Westchester Drive, Suite 600, Dallas, Texas 75225

(Address of principal executive offices) (zip code)

Registrant’s telephone number, including area code: (214) 981-0700

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Units	ET	New York Stock Exchange
7.375% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units	ETprC	New York Stock Exchange
7.625% Series D Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units	ETprD	New York Stock Exchange
7.600% Series E Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units	ETprE	New York Stock Exchange
9.250% Series I Fixed Rate Perpetual Preferred Units	ETprI	New York Stock Exchange

Securities registered pursuant to section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes  ý    No  ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes  ¨    No  ý

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes  ý    No  ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes  ý    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer  ý    Accelerated filer  ¨    Non-accelerated filer  ¨    Smaller reporting company  ☐ Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.  ý

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ¨

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes  ☐  No  ý

The aggregate market value as of June 30, 2023, of the registrant’s Common Units held by non-affiliates of the registrant, based on the reported closing price of such Common Units on the New York Stock Exchange on such date, was $35.67 billion.

As of February 9, 2024, the registrant had 3,367,757,556 Common Units outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

None

Index to Financial Statements

FORM 10-K

ENERGY TRANSFER LP AND SUBSIDIARIES

TABLE OF CONTENTS

PART I
ITEM 1. BUSINESS	6
ITEM 1A. RISK FACTORS	47
ITEM 1B. UNRESOLVED STAFF COMMENTS	93
ITEM 1C. CYBERSECURITY	93
ITEM 2. PROPERTIES	94
ITEM 3. LEGAL PROCEEDINGS	95
ITEM 4. MINE SAFETY DISCLOSURES	98
PART II
ITEM 5. MARKET FOR REGISTRANT’S COMMON UNITS, RELATED UNITHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES	99
ITEM 6. [RESERVED]	100
ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	100
ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	129
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA	133
ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE	133
ITEM 9A. CONTROLS AND PROCEDURES	133
ITEM 9B. OTHER INFORMATION	135
ITEM 9C. DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS	135
PART III
ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE	136
ITEM 11. EXECUTIVE COMPENSATION	142
ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED UNITHOLDER MATTERS	157
ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE	159
ITEM 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES	160
PART IV
ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES	161
ITEM 16. FORM 10-K SUMMARY	162
SIGNATURES	169

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Definitions

The following is a list of certain acronyms and terms used throughout this document: 

/d	per day
Adjusted EBITDA	a non-GAAP measure defined as earnings before interest, taxes, depreciation, depletion, amortization and other non-cash items, as further described in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations – Results of Operations”
AOCI	accumulated other comprehensive income
AROs	asset retirement obligations
BBtu	billion British thermal units
Bcf	billion cubic feet
Btu	British thermal unit, an energy measurement used by gas companies to convert the volume of gas used to its heat equivalent, and thus calculate the actual energy content
Capacity	capacity of a pipeline, processing plant or storage facility refers to the maximum capacity under normal operating conditions and, with respect to pipeline transportation capacity, is subject to multiple factors (including natural gas injections and withdrawals at various delivery points along the pipeline and the utilization of compression) which may reduce the throughput capacity from specified capacity levels
Citrus	Citrus, LLC, a 50/50 joint venture which owns FGT
Crestwood	Crestwood Equity Partners LP
Dakota Access	Dakota Access, LLC, a non-wholly owned subsidiary of Energy Transfer
DOE	United States Department of Energy
DOJ	United States Department of Justice
DOT	United States Department of Transportation
Enable	Enable Midstream Partners, LP
Energy Transfer Canada	Energy Transfer Canada ULC, a non-wholly owned subsidiary of Energy Transfer until its sale in August 2022
Energy Transfer GC NGL	Energy Transfer GC NGLs LLC, formerly Lone Star NGL LLC, a wholly owned subsidiary of Energy Transfer
Energy Transfer Preferred Units	Collectively, the Series A Preferred Units, Series B Preferred Units, Series C Preferred Units, Series D Preferred Units, Series E Preferred Units, Series F Preferred Units, Series G Preferred Units, Series H Preferred Units and Series I Preferred Units
Energy Transfer R&M	Energy Transfer (R&M), LLC (formerly Sunoco (R&M), LLC)
EPA	United States Environmental Protection Agency
ETC Sunoco	ETC Sunoco Holdings LLC (formerly Sunoco, Inc.), a wholly owned subsidiary of Energy Transfer
ETO	Energy Transfer Operating, L.P., formerly a non-wholly owned subsidiary of Energy Transfer until its merger into the Partnership in April 2021
ETP Holdco	ETP Holdco Corporation, a wholly owned subsidiary of Energy Transfer
Exchange Act	Securities Exchange Act of 1934, as amended
Explorer	Explorer Pipeline and/or Explorer Pipeline Company
FEP	Fayetteville Express Pipeline LLC
FERC	United States Federal Energy Regulatory Commission
FGT	Florida Gas Transmission Pipeline and/or Florida Gas Transmission Company, LLC, a wholly owned subsidiary of Citrus
GAAP	accounting principles generally accepted in the United States of America
General Partner	LE GP, LLC, the general partner of Energy Transfer
HFOTCO	HFOTCO LLC, a wholly owned subsidiary of Energy Transfer, which owns the Houston Terminal
IDRs	incentive distribution rights
IFERC	Inside FERC’s Gas Market Report
IRS	United States Internal Revenue Service
Lake Charles LNG	Lake Charles LNG Company, LLC, a wholly owned subsidiary of Energy Transfer
Lake Charles LNG Export	Lake Charles LNG Export Company, LLC, a wholly owned subsidiary of Energy Transfer
LIBOR	London Interbank Offered Rate

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Index to Financial Statements

LNG	liquefied natural gas
Lotus Midstream	Lotus Midstream Operations, LLC
MBbls	thousand barrels
MEP	Midcontinent Express Pipeline LLC
Mid Valley	Mid Valley Pipeline Company LLC, a wholly owned subsidiary of Energy Transfer
MMBbls	million barrels
MMcf	million cubic feet
MTBE	methyl tertiary butyl ether
NGA	Natural Gas Act of 1938
NGL	natural gas liquid, such as propane, butane and natural gasoline
NGPA	Natural Gas Policy Act of 1978
NuStar	NuStar Energy L.P.
NYMEX	New York Mercantile Exchange
NYSE	New York Stock Exchange
ORS	Ohio River System LLC, a non-wholly owned subsidiary of Energy Transfer
OSHA	Federal Occupational Safety and Health Act
OTC	over-the-counter
Panhandle	Panhandle Eastern Pipe Line Company, LP, a wholly owned subsidiary of Energy Transfer
Partnership Agreement	Energy Transfer’s Fourth Amended and Restated Agreement of Limited Partnership, as amended to date
PCBs	polychlorinated biphenyls
PEP	Permian Express Partners LLC, a non-wholly owned subsidiary of Energy Transfer
PHMSA	Pipeline Hazardous Materials Safety Administration
Preferred Unitholders	Unitholders of the Series A Preferred Units, Series B Preferred Units, Series C Preferred Units, Series D Preferred Units, Series E Preferred Units, Series F Preferred Units, Series G Preferred Units, Series H Preferred Units and Series I Preferred Units, collectively
Rover	Rover Pipeline and/or Rover Pipeline LLC, a non-wholly owned subsidiary of Energy Transfer
SCOOP	South Central Oklahoma Oil Province
Sea Robin	Sea Robin Pipeline and/or Sea Robin Pipeline Company, LLC, a wholly owned subsidiary of Energy Transfer
SEC	United States Securities and Exchange Commission
Series A Preferred Units	Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units
Series B Preferred Units	Series B Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units
Series C Preferred Units	Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units
Series D Preferred Units	Series D Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units
Series E Preferred Units	Series E Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units
Series F Preferred Units	Series F Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units
Series G Preferred Units	Series G Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units
Series H Preferred Units	Series H Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units
Series I Preferred Units	Series I Fixed-Rate Perpetual Preferred Units
SESH	Southeast Supply Header Pipeline and/or Southeast Supply Header, LLC, a non-wholly owned subsidiary of Energy Transfer
SOFR	Secured overnight financing rate
Southwest Gas	Pan Gas Storage, LLC (d.b.a. Southwest Gas Storage Company), a wholly owned subsidiary of Energy Transfer
SPLP	Sunoco Pipeline L.P., a wholly owned subsidiary of Energy Transfer

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Index to Financial Statements

Tiger	Tiger Pipeline and/or ETC Tiger Pipeline, LLC, a wholly owned subsidiary of Energy Transfer
Transwestern	Transwestern Pipeline and/or Transwestern Pipeline Company, LLC, a wholly owned subsidiary of Energy Transfer
TRRC	Texas Railroad Commission
Trunkline	Trunkline Pipeline and/or Trunkline Gas Company, LLC, a wholly owned subsidiary of Energy Transfer
Unitholders	Preferred Unitholders and holders of Energy Transfer LP common units
USAC	USA Compression Partners, LP, a publicly traded partnership and consolidated subsidiary of Energy Transfer
White Cliffs	White Cliffs Pipeline, L.L.C.

Forward-Looking Statements

Certain matters discussed in this annual report, excluding historical information, as well as some statements by Energy Transfer LP (the “Partnership” or “Energy Transfer”) in periodic press releases and some oral statements of the Partnership’s officials during presentations about the Partnership, include forward-looking statements. These forward-looking statements are identified as any statement that does not relate strictly to historical or current facts. Statements using words such as “anticipate,” “project,” “expect,” “plan,” “goal,” “forecast,” “estimate,” “intend,” “continue,” “could,” “believe,” “may,” “will” or similar expressions help identify forward-looking statements. Although the Partnership and its General Partner believe such forward-looking statements are based on reasonable assumptions and current expectations and projections about future events, no assurance can be given that such assumptions, expectations or projections will prove to be correct. Forward-looking statements are subject to a variety of risks, uncertainties and assumptions. If one or more of these risks or uncertainties materialize, or if underlying assumptions prove incorrect, the Partnership’s actual results may vary materially from those anticipated, estimated, projected, forecasted, expressed or expected in forward-looking statements since many of the factors that determine these results are subject to uncertainties and risks that are difficult to predict and beyond management’s control. For additional discussion of risks, uncertainties and assumptions, see “Item 1A. Risk Factors” included in this annual report.

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Index to Financial Statements

PART I

ITEM 1. BUSINESS

Overview

Energy Transfer LP is a Delaware limited partnership with common units publicly traded on the NYSE under the ticker symbol “ET.”

Unless the context requires otherwise, references to “we,” “us,” “our,” the “Partnership” and “Energy Transfer” mean Energy Transfer LP and its consolidated subsidiaries, which include Sunoco LP and USAC.

The primary activities in which we are engaged, which are located in the United States, are as follows:

•natural gas operations, including the following:

•natural gas midstream and intrastate transportation and storage;

•interstate natural gas transportation and storage; and

•crude oil, NGL and refined products transportation, terminalling and acquisition and marketing activities as well as NGL storage and fractionation services.

In addition, we own investments in other businesses, including Sunoco LP and USAC, both of which are master limited partnerships.

Energy Transfer derives cash flows from distributions related to its investment in its subsidiaries, including Sunoco LP and USAC. The amount of cash that our subsidiaries distribute to us is based on earnings from their respective business activities and the amount of available cash. Energy Transfer’s primary cash requirements are for distributions to its partners, general and administrative expenses and debt service requirements. Energy Transfer distributes its available cash remaining after satisfaction of the aforementioned cash requirements to its Unitholders on a quarterly basis.

We expect our subsidiaries to utilize their resources, along with cash from their operations, to fund their announced growth capital expenditures and working capital needs; however, Energy Transfer may issue debt or equity securities from time to time as we deem prudent to provide liquidity for new capital projects of our subsidiaries or for other partnership purposes.

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Index to Financial Statements

The following chart summarizes our organizational structure as of February 9, 2024. For simplicity, certain entities and ownership interests have not been depicted.

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Significant Achievements in 2023

Strategic Transactions

•In November, the Partnership completed its acquisition of Crestwood, which owns gathering and processing assets located in the Williston, Delaware and Powder River basins.

•In May, the Partnership acquired Lotus Midstream, which owns an integrated crude midstream platform located in the Permian Basin.

Organic Growth Projects

•In August, the Partnership’s eighth fractionator was placed in service at the Mont Belvieu NGL Complex, which brings fractionation capacity at Mont Belvieu to approximately 1.15 MMBbls/d.

•In June, the Partnership’s 200 MMcf/d Bear cryogenic processing plant was placed in service in the Permian Basin.

Segment Overview

See Note 16 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data” for additional financial information about our segments.

Intrastate Transportation and Storage Segment

Intrastate natural gas transportation pipelines receive natural gas from other mainline transportation pipelines, storage facilities and gathering systems, and deliver the natural gas to industrial end-users, storage facilities, utilities, power generators and other third-party pipelines. Through our intrastate transportation and storage segment, we own and operate (through wholly owned subsidiaries or through joint venture interests) approximately 12,200 miles of intrastate natural gas transportation pipelines with approximately 24 Bcf/d of transportation capacity, three natural gas storage facilities located in Texas and two natural gas storage facilities located in Oklahoma.

Energy Transfer operates one of the largest intrastate pipeline systems in the United States, which provides energy logistics to major trading hubs and industrial consumption areas throughout the country. In Texas, our intrastate transportation and storage segment provides transportation of natural gas to major markets from various prolific natural gas producing areas in Texas and Louisiana (Permian Basin and Barnett, Haynesville and Eagle Ford shales) through our Oasis Pipeline, ETC Katy Pipeline, Lobo Pipeline, RIGS and Pelico Pipeline as well as our two natural gas pipeline and storage systems: ET Fuel and HPL. In Oklahoma, we operate Oklahoma Intrastate Transmission, which delivers natural gas from various shale plays in the Anadarko and Arkoma basins, as further described in “Asset Overview.”

We also own a 70% interest in Red Bluff Express Pipeline, which owns a pipeline in the Delaware Basin, and 16% membership interests in Comanche Trail Pipeline and Trans-Pecos Pipeline, which own pipelines delivering natural gas from the Waha Hub to the United States/Mexico border.

Our intrastate transportation and storage segment’s results are determined primarily by the amount of capacity our customers reserve as well as the actual volume of natural gas that flows through the transportation pipelines. Under transportation contracts, our customers are charged (i) a demand fee, which is a fixed fee for the reservation of an agreed amount of capacity on the transportation pipeline for a specified period of time and which obligates the customer to pay a fee even if the customer does not transport natural gas on the respective pipeline, (ii) a transportation fee, which is based on the actual throughput of natural gas by the customer, (iii) fuel retention based on a percentage of gas transported on the pipeline or (iv) a combination of the three, generally payable monthly.

We also generate revenues and margin from the sale of natural gas to electric utilities, independent power plants, local distribution companies, industrial end-users and marketing companies. Generally, we purchase natural gas from either the market (including purchases from our marketing operations) or from producers at the wellhead. To the extent the natural gas comes from producers, it is primarily purchased at a discount to a specified market price and typically resold to customers based on an index price. In addition, our intrastate transportation and storage segment generates revenues from fees charged for storing customers’ working natural gas in our storage facilities and from managing natural gas for our own account.

Interstate Transportation and Storage Segment

Interstate natural gas transportation pipelines receive natural gas from supply sources including other transportation pipelines, storage facilities and gathering systems, and deliver the natural gas to industrial end-users and other pipelines. Through our interstate transportation and storage segment, we directly own and operate approximately 20,090 miles of interstate natural gas

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Index to Financial Statements

pipelines with approximately 20.1 Bcf/d of transportation capacity and another approximately 7,085 miles and 12.3 Bcf/d of transportation capacity through joint venture interests.

Our vast interstate natural gas network spans the United States from Florida to California and Texas to Michigan, offering a comprehensive array of pipeline and storage services. Our pipelines have the capability to transport natural gas from nearly all Lower 48 onshore and offshore supply basins to customers in the Gulf Coast, Southeast, Southwest, Midwest and Northeast United States as well as Canada. Through numerous interconnections with other pipelines, our interstate systems can access virtually any supply or market in the country. As discussed further herein, our interstate transportation and storage segment’s operations are regulated by the FERC, which has broad regulatory authority over the business and operations of interstate natural gas pipelines.

Lake Charles LNG, our wholly owned subsidiary, owns an LNG import terminal and regasification facility located on Louisiana’s Gulf Coast near Lake Charles, Louisiana. The import terminal has approximately 9.0 Bcf of above ground storage capacity and the regasification facility has a send-out capacity of 1.8 Bcf/d. Lake Charles LNG derives all of its revenue from a series of long-term contracts with a wholly owned subsidiary of Royal Dutch Shell plc (“Shell”).

Lake Charles LNG Export, our wholly owned subsidiary, is developing a natural gas liquefaction project at the site of our Lake Charles LNG import terminal and regasification facility. The project would utilize existing dock and storage facilities owned by Lake Charles LNG located on the Lake Charles site. Lake Charles LNG Export entered into a prior development agreement with Shell in March 2019; however, Shell withdrew from the project in March 2020 due to adverse market factors affecting Shell’s business following the onset of the COVID-19 pandemic. The project will benefit from the infrastructure related to the existing regasification facility at the same site, including four LNG storage tanks, two deep water docks and other assets.

During 2022, Lake Charles LNG Export executed six LNG off-take agreements, for an aggregate of nearly 8 million tonnes per annum, including a 20-year LNG agreement with Shell NA LNG LLC. The agreements allow either party to terminate the agreement if Lake Charles LNG Export has not satisfied specified conditions by a specified date. One of those conditions relates to Lake Charles LNG Export making a “final investment decision” to proceed with the construction of the liquefaction facility. To date, the specified dates for satisfying these conditions have been extended by mutual agreement of the parties to the agreements. We have also signed nonbinding letter agreements with several customers for LNG offtake, and we are in discussions with several parties for potential long-term LNG offtake and potential equity investments in the project.

The results from our interstate transportation and storage segment are primarily derived from the fees we earn from natural gas transportation and storage services.

Midstream Segment

The midstream industry consists of natural gas gathering, compression, treating, processing, storage and transportation, and is generally characterized by regional competition based on the proximity of gathering systems and processing plants to natural gas producing wells and the proximity of storage facilities to production areas and end-use markets. Gathering systems generally consist of a network of small diameter pipelines and, if necessary, compression systems, that collect natural gas from points near producing wells and transports it to larger pipelines for further transportation.

Treating plants remove carbon dioxide and hydrogen sulfide from natural gas that is higher in carbon dioxide, hydrogen sulfide or certain other contaminants, to ensure that it meets pipeline quality specifications. Natural gas processing involves the separation of natural gas into pipeline quality natural gas, or residue gas, and a mixed NGL stream. Some natural gas produced by a well does not meet the pipeline quality specifications established by downstream pipelines or is not suitable for commercial use and must be processed to remove the mixed NGL stream. In addition, some natural gas can be processed to take advantage of favorable margins for NGLs extracted from the gas stream.

Through our midstream segment, we own and operate (through wholly owned subsidiaries or joint venture interests) natural gas gathering pipelines, natural gas processing plants, natural gas treating facilities and natural gas conditioning facilities with an aggregate processing capacity of approximately 11.4 Bcf/d. Our midstream segment focuses on the gathering, compression, treating, blending and processing of natural gas, and our operations are currently concentrated in major producing basins and shales in Texas, New Mexico, West Virginia, Pennsylvania, Ohio, Oklahoma, Arkansas, Kansas, Louisiana, Montana, North Dakota and Wyoming. Many of our midstream assets are integrated with our intrastate transportation and storage assets as well as our NGL assets.

Our midstream segment’s results are derived primarily from margins we earn from natural gas volumes that are gathered, transported, purchased and sold through our pipeline systems and the natural gas and NGL volumes processed at our processing and treating facilities.

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NGL and Refined Products Transportation and Services Segment

Our NGL and refined products operations transport, store and execute acquisition and marketing activities utilizing a complementary network of pipelines, storage and blending facilities as well as strategic offtake locations that provide access to multiple markets.

Our NGL and refined products transportation and services segment includes:

•approximately 5,700 miles of NGL pipelines;

•our Nederland Terminal and connecting pipelines which provide transportation of ethane, propane, butane and natural gasoline from our Mont Belvieu NGL Complex to our Nederland Terminal where these products can be exported;

•our Marcus Hook Terminal which includes fractionation, storage and exporting assets. This facility is connected to our Mariner East Pipeline System, which provides for the transportation of ethane and liquefied petroleum gas (“LPG”) products from western Pennsylvania, West Virginia and eastern Ohio to our Marcus Hook Terminal where these component products can be exported, processed or locally distributed;

•NGL fractionation facilities at our Mont Belvieu NGL Complex with an aggregate capacity of 1.15 MMBbls/d;

•NGL storage facilities at our Mont Belvieu NGL Complex with a working storage capacity of approximately 60 MMBbls; and

•other NGL storage assets with an aggregate storage capacity of approximately 35 MMBbls, including LPG storage assets acquired in connection with the Crestwood acquisition in 2023.

Our NGL pipelines primarily transport NGLs from the Permian Basin, the Barnett and Eagle Ford shales to Mont Belvieu, Texas. In the Northeast, our NGL pipelines transport from the Marcellus and Utica shales to our Marcus Hook Terminal, to customer facilities in Marysville, Michigan and to delivery points on the Canadian border.

In addition to providing storage capacity, our NGL terminalling services also support our liquids blending activities, including the use of our patented butane blending technology. Refined products operations provide transportation and terminalling services through the use of approximately 3,760 miles of refined products pipelines and 37 active refined products marketing terminals. Our refined product marketing terminals are located primarily in the Northeast, Midwest and Southwest United States, with approximately 8 MMBbls of refined products storage capacity. Our refined products operations utilize our integrated pipeline and terminalling assets, as well as acquisition and marketing activities, to service refined products markets in several regions throughout the United States. The mix of products delivered through our refined products pipelines varies seasonally, with gasoline demand peaking during the summer months, and demand for heating oil and other distillate fuels peaking in the winter. The products transported in these pipelines include multiple grades of gasoline and middle distillates, such as heating oil, diesel and jet fuel. Rates for shipments on these product pipelines are regulated by the FERC and other state regulatory agencies, as applicable.

Revenues in this segment are principally generated from fees charged to customers under dedicated contracts or take-or-pay contracts. Under a dedicated contract, the customer agrees to deliver the total output from particular processing plants that are connected to the NGL pipeline. Take-or-pay contracts have minimum throughput commitments requiring the customer to pay regardless of whether a fixed volume is transported. Fees are market-based, negotiated with customers and competitive with regional regulated pipelines and fractionators. Storage revenues are derived from base storage and throughput fees. This segment also derives revenues from fee-based export activities, the marketing of NGLs as well as processing and fractionating refinery off-gas.

Crude Oil Transportation and Services Segment

Our crude oil operations provide transportation (via pipeline and trucking), terminalling as well as acquisition and marketing services to crude oil markets throughout the Southwest, Midwest and Northeast United States. Through our crude oil transportation and services segment, we own and operate (through wholly owned subsidiaries or joint venture interests) approximately 14,500 miles of crude oil trunk and gathering pipelines in the Southwest, Midcontinent and Midwest United States. This segment includes equity ownership interests in seven crude oil pipeline systems: the Bakken Pipeline, Bayou Bridge Pipeline, White Cliffs Pipeline, Maurepas Pipeline, the Permian Express pipelines, Enable South Central Pipeline and the Wink to Webster Pipeline. Our crude oil terminalling services operate with an aggregate storage capacity of approximately 65 MMBbls, including approximately 30 MMBbls at our Gulf Coast terminal in Nederland, Texas, approximately 18.2 MMBbls at our Gulf Coast terminal on the Houston Ship Channel and approximately 9.5 MMBbls at our Cushing Terminal in Cushing, Oklahoma, among others. Our crude oil acquisition and marketing activities utilize our pipeline and terminal assets,

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our proprietary fleet of crude oil tractor trailers and truck unloading facilities, as well as third-party assets to service crude oil markets principally in the Midcontinent United States.

Revenues throughout our crude oil pipeline systems are generated from tariffs paid by shippers utilizing our transportation services. These tariffs are filed with the FERC and other state regulatory agencies, as applicable.

Our crude oil acquisition and marketing activities include the gathering, purchasing, marketing and selling of crude oil. Specifically, the crude oil acquisition and marketing activities include:

•purchasing crude oil at both the wellhead from producers and in bulk from aggregators at major pipeline interconnections and trading locations;

•storing inventory during contango market conditions (when the price of crude oil for future delivery is higher than current prices);

•buying and selling crude oil of different grades at different locations in order to maximize value;

•transporting crude oil using our pipelines, terminals and trucks or, when necessary or cost effective, pipelines, terminals or trucks owned and operated by third parties; and

•marketing crude oil to major integrated oil companies, independent refiners and resellers through various types of sale and exchange transactions.

Investment in Sunoco LP

Sunoco LP is primarily engaged in the distribution of motor fuels to independent dealers, distributors, and other commercial customers and the distribution of motor fuels to end-user customers at retail sites operated by commission agents. Additionally, it receives rental income through the leasing or subleasing of real estate used in the retail distribution of motor fuel. Sunoco LP also operates 75 retail stores located in Hawaii and New Jersey.

Sunoco LP is a distributor of motor fuels and other petroleum products which Sunoco LP supplies to third-party dealers and distributors, to independent operators of commission agent locations and other commercial consumers of motor fuel. Also included in the wholesale operations are transmix processing plants and refined products terminals. Transmix is the mixture of various refined products (primarily gasoline and diesel) created in the supply chain (primarily in pipelines and terminals) when various products interface with each other. Transmix processing plants separate this mixture and return it to salable products of gasoline and diesel.

Sunoco LP is the exclusive wholesale supplier of the Sunoco-branded and EcoMaxx-branded motor fuels, supplying an extensive distribution network of approximately 5,534 company and third-party operated locations throughout the United States and Puerto Rico. In addition to distributing motor fuels, Sunoco LP also distributes other petroleum products such as propane and lubricating oil, and Sunoco LP receives rental income from real estate that it leases or subleases.

Investment in USAC

USAC provides natural gas compression services throughout the United States, including the Utica, Marcellus, Permian Basin, Eagle Ford, Mississippi Lime, Granite Wash, Woodford, Barnett, Haynesville, Niobrara and Fayetteville shales. USAC provides compression services to its customers primarily in connection with infrastructure applications, including both allowing for the processing and transportation of natural gas through the domestic pipeline system and enhancing crude oil production through artificial lift processes. As such, USAC’s compression services play a critical role in the production, processing and transportation of both natural gas and crude oil. As of December 31, 2023, USAC had 3.8 million horsepower in its fleet.

USAC operates a modern fleet of compression units, with an average age of approximately 11 years. USAC’s standard new-build compression units are generally configured for multiple compression stages allowing USAC to operate its units across a broad range of operating conditions. As part of USAC’s services, it engineers, designs, operates, services and repairs its compression units and maintains related support inventory and equipment.

USAC provides compression services to its customers under fixed-fee contracts with initial contract terms typically between six months to five years, depending on the application and location of the compression unit. USAC typically continues to provide compression services at a specific location beyond the initial contract term, either through contract renewal or on a month-to-month or longer basis. USAC primarily enters into fixed-fee contracts whereby its customers are required to pay a monthly fee even during periods of limited or disrupted throughput, which enhances the stability and predictability of its cash flows. USAC is not directly exposed to commodity price risk because it does not take title to the natural gas or crude oil involved in its services and because the natural gas used as fuel by its compression units is supplied by its customers without cost to USAC.

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Index to Financial Statements

USAC’s assets and operations are all located and conducted in the United States.

All Other Segment

Our “All Other” segment includes:

•our gas marketing activities, which optimize basis pricing differentials by purchasing and transporting natural gas, primarily on company owned pipelines, and selling that gas primarily to industrial end-users or to other marketers;

•our commodity marketing company, which focuses primarily on wholesale power trading activities;

•our natural gas compression equipment business, which has operations in Arkansas, California, Colorado, Louisiana, New Mexico, Oklahoma, Pennsylvania and Texas;

•our wholly owned subsidiary, Dual Drive Technologies, Ltd., which provides compression services to customers engaged in the transportation of natural gas, including our other segments; and

•subsidiaries involved in the management of coal and natural resources properties and the related collection of royalties. We also earn revenues from other land management activities, such as selling standing timber, leasing coal-related infrastructure facilities, and collecting oil and gas royalties. These operations also include end-user coal handling facilities.

Asset Overview

The following descriptions include summaries of significant assets within the Partnership’s reportable segments. Amounts, such as capacities, volumes and miles included in the following descriptions are approximate and are based on information currently available; such amounts are subject to change based on future events or additional information.

The map below depicts the major assets of our core businesses, excluding the assets of Sunoco LP, USAC and the businesses in our all other segment. The map below and the maps included within the segment asset descriptions include certain non-wholly owned joint ventures and exclude corporate and field offices and certain assets that are less significant to the Partnership on a consolidated basis.

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Index to Financial Statements

Intrastate Transportation and Storage

The following details our pipelines and storage facilities in the intrastate transportation and storage segment:

Description of Assets	Ownership Interest		Miles of Natural Gas Pipeline	Pipeline Throughput Capacity (Bcf/d)	Working Storage Capacity (Bcf)
ET Fuel System (1)	100	%	3,150	5.2	11.2
Oasis Pipeline (1)	100	%	750	2.0	—
Houston Pipeline (“HPL”) System	100	%	3,920	5.3	52.5
ETC Katy Pipeline	100	%	460	2.9	—
Regency Intrastate Gas System (“RIGS”)	100	%	450	2.1	—
Oklahoma Intrastate Transmission (“OIT”) (1)	100 %		2,200	2.4	24.0
Comanche Trail Pipeline	16	%	195	1.1	—
Trans-Pecos Pipeline	16	%	140	1.4	—
Red Bluff Express Pipeline	70	%	120	1.4	—

(1)Includes bi-directional capabilities

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Index to Financial Statements

The following information describes our principal intrastate transportation and storage assets:

•The ET Fuel System serves some of the most prolific production areas in the United States and is comprised of intrastate natural gas pipelines and related natural gas storage facilities. The ET Fuel System has bi-directional capabilities and has many interconnections with pipelines providing direct access to power plants and other intrastate and interstate pipelines. It is strategically located near high-growth production areas and provides access to the three major natural gas trading centers in Texas: the Waha Hub near Pecos, Texas, the Maypearl Hub in Central Texas and the Carthage Hub in East Texas.

The ET Fuel System also includes our Bethel natural gas storage facility, with a working capacity of 6.0 Bcf, an average withdrawal capacity of 300 MMcf/d and an injection capacity of 75 MMcf/d, and our Bryson natural gas storage facility, with a working capacity of 5.2 Bcf, an average withdrawal capacity of 120 MMcf/d and an average injection capacity of 96 MMcf/d.

In addition, the ET Fuel System is integrated with our Godley processing plant which gives us the ability to bypass the plant when processing margins are unfavorable by blending the untreated natural gas from our gas gathering system known as the North Texas System with natural gas on the ET Fuel System while continuing to meet pipeline quality specifications.

•The Oasis Pipeline is primarily a 36-inch natural gas pipeline. It has bi-directional capabilities with approximately 1.3 Bcf/d of throughput capacity moving west-to-east and greater than 750 MMcf/d of throughput capacity moving east-to-west. The Oasis Pipeline connects to the Waha and Katy market hubs and has many interconnections with other pipelines, power plants, processing facilities, municipalities and producers.

The Oasis Pipeline is integrated with our gathering system known as the Southeast Texas System and is an important component to maximizing our Southeast Texas System’s profitability. The Oasis Pipeline enhances the Southeast Texas System by (i) providing access for natural gas gathered on the Southeast Texas System to third-party supply and market points and interconnecting pipelines and (ii) allowing us to bypass our processing plants and treating facilities on the Southeast Texas System when processing margins are unfavorable by blending untreated natural gas from the Southeast Texas System with gas on the Oasis pipeline while continuing to meet pipeline quality specifications.

•The HPL System is an extensive network of intrastate natural gas pipelines, the underground Bammel storage reservoir and related transportation assets. The system has access to multiple sources of historically significant natural gas supply reserves from South Texas, the Gulf Coast of Texas, East Texas and the western Gulf of Mexico, and is directly connected to major gas distribution, electric and industrial load centers in Houston, Corpus Christi, Texas City, Beaumont and other cities located along the Gulf Coast of Texas. The HPL System is well situated to gather and transport gas in many of the major gas producing areas in Texas including a strong presence in the key Houston Ship Channel and Katy Hub markets, allowing us to play an important role in the Texas natural gas markets. The HPL System also offers its shippers off-system opportunities due to its numerous interconnections with other pipeline systems, its direct access to multiple market hubs at Katy, the Houston Ship Channel, Carthage and Agua Dulce as well as our Bammel storage facility.

The Bammel storage facility has a total working gas capacity of approximately 52.5 Bcf, a peak withdrawal rate of 1.3 Bcf/d and a peak injection rate of 0.6 Bcf/d. The Bammel storage facility is located near the Houston Ship Channel market area and the Katy Hub, and is ideally suited to provide a physical backup for on-system and off-system customers. As of December 31, 2023, we had approximately 17.2 Bcf committed under fee-based arrangements with third parties and approximately 37.0 Bcf stored in the facility for our own account.

•The ETC Katy Pipeline connects three treating facilities, one of which we own, with our gathering system known as Southeast Texas System. The ETC Katy Pipeline serves producers in East and North Central Texas and provides access to the Katy Hub. The ETC Katy Pipeline expansions include the 36-inch East Texas extension to connect our Reed compressor station in Freestone County to our Grimes County compressor station, the 36-inch Katy expansion connecting Grimes to the Katy Hub and the 42-inch Southeast Bossier pipeline connecting our Cleburne to Carthage pipeline to the HPL System.

•RIGS is a 450-mile intrastate pipeline that delivers natural gas from northwest Louisiana to downstream pipelines and markets.

•OIT is a 2,200-mile pipeline system that provides natural gas transportation and storage services to customers in Oklahoma. OIT is a web-like configuration with multidirectional flow capabilities between numerous receipt points and delivery points. OIT delivers natural gas from the Anadarko and Arkoma basins, including the SCOOP, STACK, Cana Woodford, Granite Wash, Cleveland, Tonkawa and Mississippi Lime Shale plays in western Oklahoma to utilities and industrial end-users connected to OIT and to interstate and intrastate pipelines interconnected with OIT. OIT also has two underground natural gas storage facilities in Oklahoma, which operate at a combined capacity of 24 Bcf with a peak withdrawal rate of 0.60 Bcf/d.

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Index to Financial Statements

•Comanche Trail Pipeline is a 195-mile intrastate pipeline that delivers natural gas from the Waha Hub near Pecos, Texas to the United States/Mexico border near San Elizario, Texas. The Partnership owns a 16% membership interest in and operates Comanche Trail Pipeline.

•Trans-Pecos Pipeline is a 143-mile intrastate pipeline that delivers natural gas from the Waha Hub near Pecos, Texas to the United States/Mexico border near Presidio, Texas. The Partnership owns a 16% membership interest in and operates Trans-Pecos Pipeline.

•The Red Bluff Express Pipeline is an approximately 120-mile intrastate pipeline that runs through the heart of the Delaware Basin and connects certain of our plants as well as third-party plants to the Waha Oasis Header. The Partnership owns a 70% membership interest in and operates Red Bluff Express Pipeline.

•Other intrastate natural gas pipelines include our 630-mile Pelico Pipeline in northern Louisiana and our 167-mile Lobo Pipeline in South Texas.

Interstate Transportation and Storage

The following details our pipelines in the interstate transportation and storage segment:

Description of Assets	Ownership Interest		Miles of Natural Gas Pipeline	Pipeline Throughput Capacity (Bcf/d)	Working Storage Capacity (Bcf)
Florida Gas Transmission (“FGT”)	50	%	5,380	4.0	—
Transwestern Pipeline	100	%	2,590	2.1	—
Panhandle Eastern Pipe Line (1)	100	%	6,300	2.8	73.0
Trunkline	100	%	2,190	0.9	13.0
Tiger	100	%	200	2.4	—
Fayetteville Express Pipeline	50	%	185	2.0	—
Sea Robin Pipeline	100	%	765	2.0	—
Stingray Pipeline	100	%	335	0.4	—
Rover Pipeline	32.6	%	720	3.4	—
Midcontinent Express Pipeline	50	%	510	1.8	—

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Index to Financial Statements

Enable Gas Transmission (“EGT”)	100 %		5,700	4.8	29.3
Mississippi River Transmission (“MRT”)	100 %		1,675	1.7	48.9
Southeast Supply Header (“SESH”)	50 %		290	1.1	—
Gulf Run Pipeline	100	%	335	3.0	—

(1)Storage capacity figure includes storage leased from Southwest Gas and third-party companies.

The following information describes our principal interstate transportation and storage assets:

•FGT extends from South Texas through the Gulf Coast region of the United States to South Florida. FGT is the principal transporter of natural gas to the Florida energy market, delivering approximately 60% of the natural gas consumed in the state. In addition, FGT’s numerous intrastate and interstate pipeline interconnections with major interstate and intrastate natural gas pipelines provide access to diverse natural gas supply sources. FGT’s customers include electric utilities, independent power producers, industrial end-users and local distribution companies. FGT is owned by Citrus, a 50/50 joint venture with Kinder Morgan, Inc.

•Transwestern Pipeline transports natural gas supply from the Permian Basin, the San Juan Basin and the Anadarko Basin. The system has bi-directional capabilities and can access Texas and Midcontinent natural gas market hubs as well as major western markets in Arizona, Nevada and California. Transwestern’s customers include local distribution companies, producers, marketers, electric power generators and industrial end-users.

•Panhandle Eastern Pipe Line’s transmission system consists of four large diameter mainline pipelines with bi-directional capabilities, extending approximately 1,300 miles from producing areas in the Anadarko Basin of Texas, Oklahoma and Kansas through Missouri, Illinois, Indiana, Ohio and into Michigan. Panhandle contracts for over 73 Bcf of natural gas storage.

•Trunkline’s transmission system consists of one large diameter mainline pipeline with bi-directional capabilities, extending approximately 1,400 miles from the Gulf Coast areas of Texas and Louisiana through Arkansas, Mississippi, Tennessee, Kentucky, Illinois, Indiana and Michigan. Trunkline has one natural gas storage field located in Louisiana.

•Tiger is a bi-directional system that extends through the heart of the Haynesville Shale and ends near Delhi, Louisiana, interconnecting with multiple interstate pipelines.

•Fayetteville Express Pipeline originates near Conway County, Arkansas and continues eastward to Panola County, Mississippi with multiple pipeline interconnections along the route. Fayetteville Express Pipeline is owned by a 50/50 joint venture with Kinder Morgan, Inc.

•Sea Robin Pipeline’s system consists of two offshore Louisiana natural gas supply pipelines extending 120 miles into the Gulf of Mexico.

•Stingray Pipeline is an interstate natural gas pipeline system with assets located in the western Gulf of Mexico and Johnson Bayou, Louisiana.

•Rover Pipeline is a large diameter pipeline which transports natural gas from processing plants in West Virginia, eastern Ohio and western Pennsylvania for delivery to other pipeline interconnects in Ohio and Michigan, where the gas is delivered for distribution to markets across the United States and to Ontario, Canada.

•Midcontinent Express Pipeline originates near Bennington, Oklahoma and traverses northern Louisiana and central Mississippi to an interconnect with the Transcontinental Gas Pipeline system in Butler, Alabama. The Midcontinent Express Pipeline is owned by a 50/50 joint venture with Kinder Morgan, Inc., the operator of the system.

•EGT provides natural gas transportation and storage services to customers in Oklahoma, Texas, Arkansas, Louisiana, Missouri and Kansas. EGT has two underground storage facilities in Oklahoma and one underground natural gas storage facility in Louisiana. Through numerous pipeline interconnections along the system and at the Perryville Hub, EGT customers have access to Midwest and Northeast markets as well as most of the major natural gas consuming markets east of the Mississippi River.

•MRT provides natural gas transportation and storage services in Texas, Arkansas, Louisiana, Missouri and Illinois. MRT has underground natural gas storage facilities in Louisiana and Illinois. MRT receives natural gas from a variety of interstate and intrastate pipelines through its interconnections and delivers natural gas primarily to the St. Louis market.

•SESH, a 50/50 joint venture with Enbridge Inc., provides transportation services in Louisiana, Mississippi and Alabama. SESH transports natural gas from the Perryville Hub in Louisiana to its endpoint in Mobile County, Alabama. SESH has interconnections with third party natural gas pipelines and provides access to major Southeast and Northeast markets and

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Index to Financial Statements

transports directly to generating facilities in Mississippi and Alabama and to interconnecting pipelines that supply companies generating electricity for the Florida power market.

•Gulf Run Pipeline is a large diameter pipeline that runs from the heart of the Haynesville Shale in East Texas and northern Louisiana to the Carthage and Perryville natural gas hubs and other key markets along the Gulf Coast.

Regasification Facility

Lake Charles LNG, our wholly owned subsidiary, owns an LNG import terminal and regasification facility located on Louisiana’s Gulf Coast near Lake Charles, Louisiana. The import terminal has approximately 9.0 Bcf of above ground LNG storage capacity and the regasification facility has a send out capacity of 1.8 Bcf/d. Lake Charles LNG derives all of its revenue from a series of long-term contracts with a wholly owned subsidiary of Royal Dutch Shell plc (“Shell”).

Liquefaction Project

Lake Charles LNG Export, our wholly owned subsidiary, is developing a natural gas liquefaction project at the site of our Lake Charles LNG import terminal and regasification facility. The project would utilize existing dock and storage facilities owned by Lake Charles LNG located on the Lake Charles site. Lake Charles LNG Export entered into a prior development agreement with Shell in March 2019; however, Shell withdrew from the project in March 2020 due to adverse market factors affecting Shell’s business following the onset of the COVID-19 pandemic. The project will benefit from the infrastructure related to the existing regasification facility at the same site, including four LNG storage tanks, two deep water docks and other assets. The construction of the liquefaction facility has been approved by FERC. In addition, Lake Charles LNG Export received its wetlands permits from the USACE to perform wetlands mitigation work and to perform modification and dredging work for the temporary and permanent dock facilities at the Lake Charles LNG facilities.

The export of LNG produced by any liquefaction facility in the United States requires export authorization from the DOE. The NGA requires the DOE to approve applications for LNG exports unless such approval would be “inconsistent with the public interest.” In March 2013, Lake Charles LNG Export obtained a DOE authorization to export LNG to countries with which the United States has or will have Free Trade Agreements (“FTA”) for trade in natural gas (the “FTA Authorization”). In July 2016, Lake Charles LNG Export also obtained a conditional DOE authorization to export LNG to countries that do not have an FTA for trade in natural gas (the “Non-FTA Authorization”) subject to commencement of exports no later than December 2020. Lake Charles LNG Export applied for an extension of the deadline to commence exports under the Non-FTA Authorization to December 2025 and the DOE approved such extension request in October 2020. Lake Charles LNG Export applied for a second extension of the deadline to commence exports and in April 2023 the DOE denied this request in connection with a new DOE policy related to extension requests. In light of this new policy, in August 2023, Lake Charles LNG Export applied for a new Non-FTA Authorization which, if approved, would provide for a new deadline to commence exports to Non-FTA countries, which deadline would be seven years from the date of such approval. In January 2024, the Biden administration announced a moratorium on the approval of LNG export authorizations by the DOE and instructed the DOE to conduct studies related to the cumulative impact of LNG exports on domestic natural gas prices, climate change and other matters. The Biden administration stated that these studies were necessary to enable the DOE to make determinations related to the statutory “public interest” standard. The DOE has stated that these studies will take several months to complete, after which a draft policy statement will be made available for public comment prior to finalizing the policy statement. This process is not expected to be completed prior to the U.S. Presidential election in November 2024.

During 2022, Lake Charles LNG Export executed six LNG offtake agreements, for an aggregate of nearly 8 million tonnes per annum, including a 20-year LNG agreement with Shell NA LNG LLC. The agreements allow either party to terminate the agreement if Lake Charles LNG Export has not satisfied specified conditions by a specified date. One of those conditions relates to Lake Charles LNG Export making a “final investment decision” to proceed with the construction of the liquefaction facility. To date, the specified dates for satisfying these conditions have been extended by mutual agreement of the parties to the agreements. We have also signed nonbinding letter agreements with several customers for LNG offtake, and we are in discussions with several parties for potential long-term LNG offtake and potential equity investments in the project.

During the moratorium imposed by the Biden administration on the approvals of LNG export authorizations by the DOE, Lake Charles LNG Export intends to continue to engage with existing and prospective LNG offtake customers and potential equity investors in the project.

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Index to Financial Statements

Midstream

The following details our assets in the midstream segment:

Description of Assets	Net Gas Processing Capacity (MMcf/d)
South Texas	2,430
Ark-La-Tex	922
North Central Texas	700
Permian Basin	3,428
Midcontinent	2,925
Williston Basin	430
Powder River Basin	345
Eastern	200

The following information describes our principal midstream assets:

South Texas:

•Our South Texas assets, which include the Southeast Texas System and the Eagle Ford System, are an integrated system that gathers, compresses, treats, processes, dehydrates and transports natural gas from the Austin Chalk trend and the Eagle Ford Shale.

The assets in our Southeast Texas System include a large natural gas gathering system that covers thirteen counties between Austin and Houston, Texas and connects to the Katy Hub through the ETC Katy Pipeline and is also connected to the Oasis Pipeline. This system also includes three natural gas processing plants (La Grange, Alamo and Brookeland) with

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Index to Financial Statements

an aggregate capacity of 510 MMcf/d. These plants process the rich gas that flows through our gathering system to produce residue gas and NGLs. Residue gas is delivered into our intrastate pipelines and NGLs are delivered into our NGL pipelines.

Our treating facilities remove carbon dioxide and hydrogen sulfide from natural gas gathered into our system before the natural gas is introduced to transportation pipelines to ensure that the gas meets pipeline quality specifications.

The assets in our Eagle Ford System consist of 30-inch and 42-inch natural gas gathering pipelines originating in Dimmitt County, Texas, and extending to both our King Ranch gas plant in Kleberg County, Texas and Jackson plant in Jackson County, Texas. These assets also include four processing plants (Chisholm, Kenedy, Jackson and King Ranch) with an aggregate capacity of 1.9 Bcf/d. Our Chisholm, Kenedy, Jackson and King Ranch processing plants are connected to our intrastate transportation pipeline systems for deliveries of residue gas and are also connected with our NGL pipelines.

•We own a 60% interest in Edwards Lime Gathering, LLC, which operates natural gas gathering, compression and treating facilities as well as an oil pipeline and oil stabilization facility in South Texas.

Ark-La-Tex:

•Our Ark-La-Tex assets are comprised of several gathering systems in the Haynesville Shale with access to multiple markets through interconnects with several pipelines, including our Tiger pipeline. Our northern Louisiana assets include the Bistineau, Creedence, Tristate, Logansport, Magnolia, Olympia, Amoruso, and Lumberjack systems, which collectively include 11 natural gas treating facilities, with aggregate capacity of 3.1 Bcf/d.

The Ark-La-Tex assets gather, compress, treat and dehydrate natural gas in several parishes in northwest Louisiana and several counties in East Texas. These assets also include cryogenic natural gas processing facilities, a refrigeration plant, a conditioning plant, amine treating plants, a residue gas pipeline that provides market access for natural gas from our processing plants, including connections with pipelines that provide access to the Perryville Hub and other markets in the Gulf Coast region, and an NGL pipeline that connects to a third party that provides access to the Mont Belvieu market for NGLs produced from our processing plants. Collectively, the six natural gas processing facilities (Dubach, Lincoln, Rosewood, Mt. Olive, Sligo and Waskom) have an aggregate capacity of 0.9 Bcf/d.

Through the gathering and processing systems described above and their interconnections with our intrastate transportation pipelines, we offer producers wellhead-to-market services, including natural gas gathering, compression, processing, treating and transportation.

North Central Texas:

•The North Central Texas System is an integrated system located in four counties in North Central Texas that gathers, compresses, treats, processes and transports natural gas from the Barnett and Woodford shales. Our North Central Texas assets include our Godley plant, which processes rich gas produced from the Barnett Shale and STACK play, with an aggregate capacity of 700 MMcf/d. The Godley plant is integrated with the ET Fuel System.

Permian Basin:

•The Permian Basin Gathering System offers wellhead-to-market services to producers in 11 counties in West Texas and two counties in New Mexico which surround the Waha Hub, one of Texas’s developing NGL-rich natural gas market areas. As a result of the proximity of our system to the Waha Hub, the Waha Gathering System has a variety of market outlets for the natural gas that we gather and process, including several major interstate and intrastate pipelines serving California, the Midcontinent and Texas natural gas markets. The NGL market outlets includes our NGL pipeline system. The Permian Basin Gathering System includes 13 processing facilities (Waha, Red Bluff, Halley, Keystone, Tippet, Panther, Rebel, Grey Wolf, Bear, Arrowhead, Carlsbad, Orla I and Orla II) with an aggregate processing capacity of 3.2 Bcf/d and one natural gas conditioning facility with an aggregate capacity of 200 MMcf/d.

•In addition, we own a 50% membership interest in Mi Vida JV LLC, a joint venture which owns a 200 MMcf/d cryogenic processing plant in West Texas. We operate the plant and related facilities on behalf of the joint venture. We also own a 50% equity interest in Crestwood Permian Basin LLC, a joint venture which owns the Nautilus natural gas gathering system in West Texas. We operate the gathering system on behalf of the joint venture.

Midcontinent:

•The Midcontinent Systems are located in three large natural gas producing regions in the United States: the Hugoton Basin in southwest Kansas, the Anadarko Basin in the Texas Panhandle and Oklahoma, including the STACK and SCOOP plays, and the Arkoma Basin in eastern Oklahoma and Arkansas. These mature basins have continued to provide generally long-lived, predictable production volumes. Our Midcontinent assets are extensive systems that gather, compress and dehydrate low-pressure gas. The Midcontinent Systems include 17 natural gas processing facilities (Mocane, Beaver, Wheeler I,

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Index to Financial Statements

Sunray, Spearman, Rose Valley, Hopeton, Bradley, McClure, Wheeler II, South Canadian, Clinton, Roger Mills, Canute, Cox City, Wetumka and Grady) with an aggregate capacity of approximately 2.9 Bcf/d.

•We operate our Midcontinent Systems at low pressures to maximize the total throughput volumes from the connected wells. Wellhead pressures are therefore adequate to allow for flow of natural gas into the gathering lines without the cost of wellhead compression.

•We own the Hugoton Gathering System that has 1,900 miles of pipeline extending across parts of southwest Kansas and northwest Oklahoma. This system is operated by a third party.

•We own a 50% membership interest in Atoka Midstream LLC, which owns a natural gas gathering system in Oklahoma.

Williston Basin:

•We own and operate the Arrow and Rough Rider systems which include natural gas gathering systems and processing facilities (Bear Den and Wild Basin). These processing facilities have an aggregate capacity of 430 MMcf/d. The Arrow and Rough Rider systems are in the core of the Bakken Shale primarily in McKenzie and Dunn Counties, North Dakota, with the Arrow system primarily located on the Fort Berthold Indian Reservation.

Powder River Basin:

•We own and operate the Jackalope rich natural gas gathering system, the Continental Express high-pressure pipeline and the Bucking Horse gas processing facility in Converse County, Wyoming. The Bucking Horse gas processing facility has an aggregate processing capacity of 345 MMcf/d.

Eastern:

•The Eastern region assets are located in eleven counties in Pennsylvania, four counties in Ohio and three counties in West Virginia, which gather natural gas from the Marcellus and Utica shales. Our Eastern region assets include approximately 600 miles of natural gas gathering pipelines, natural gas trunklines and fresh-water pipelines, nine gathering and processing systems and the 200 MMcf/d Revolution processing plant, which feeds into our Mariner East and Rover pipeline systems.

•We also own a 51% membership interest in Aqua – ETC Water Solutions LLC, a joint venture that transports and supplies fresh water to natural gas producers drilling in the Marcellus Shale in Pennsylvania.

•We own a 75% membership interest in ORS. On behalf of ORS, we operate its Ohio Utica River System, which consists of 47 miles of 36-inch, 13 miles of 30-inch and 3 miles of 24-inch gathering trunklines, and which delivers up to 3.6 Bcf/d to Rockies Express Pipeline, Texas Eastern Transmission, Leach Xpress, Rover and DEO TPL-18.

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Index to Financial Statements

NGL and Refined Products Transportation and Services

The following details the assets in our NGL and refined products transportation and services segment:

Description of Assets	Miles of Liquids Pipeline	NGL Fractionation / Processing Capacity (MBbls/d)	Working Storage Capacity (MBbls)
Liquids Pipelines:
Gulf Coast NGL Express	900	—	—
West Texas Gateway	510	—	—
Other Permian Basin NGL	1,600	—	—
Mariner East	680	—	—
Mariner West	450	—	—
Mont Belvieu to Nederland	270	—	—
White Cliffs(1)	540	—	—
Other NGL	750	—	—
Liquids Fractionation and Storage Facilities:
Mont Belvieu NGL Complex	—	1,150	60,000
Spindletop	—	—	8,000
Crestwood	—	—	10,000
ET Geismar Olefins(2)	—	35	—
Hattiesburg	—	—	5,200
Cedar Bayou	—	—	1,600

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Index to Financial Statements

NGL Terminals:
Nederland	—	—	1,900
Orbit Gulf Coast	—	—	1,200
Marcus Hook	—	—	6,000
Inkster	—	—	860
Refined Products Pipelines:
Eastern region	1,580	—	—
Midcontinent region	480	—	—
Southwest region	590	—	—
Inland	610	—	—
J.C. Nolan Pipeline	500	—	—
Refined Products Terminals:
Eagle Point	—	—	6,700
Marcus Hook Terminal	—	—	930
Marcus Hook Tank Farm	—	—	1,900
Marketing Terminals	—	—	7,700
J.C. Nolan Terminal	—	—	130

(1)The White Cliffs Pipeline consists of two parallel, 12-inch common carrier pipelines: one crude oil pipeline and one NGL pipeline.

(2)Additionally, the ET Geismar Olefins off-gas processing facility has inlet volume capacity of 54 MMcf/d.

The following information describes our principal NGL and refined products transportation and services assets:

•Gulf Coast NGL Express is an interstate NGL pipeline consisting of 24-inch and 30-inch long-haul transportation pipelines, with throughput capacity of approximately 900 MBbls/d, that delivers mixed NGLs from processing plants in the Permian Basin, the Barnett Shale and from East Texas to our Mont Belvieu NGL Complex.

•West Texas Gateway transports mixed NGLs produced in the Permian Basin and the Eagle Ford Shale to Mont Belvieu, Texas and has a throughput capacity of approximately 240 MBbls/d.

•The Mariner East Pipeline System, consisting of Mariner East 2 and Mariner East 2x, has an aggregate capacity of 350 to 375 MBbls/d and transports NGLs from the Marcellus and Utica shales in western Pennsylvania, West Virginia and eastern Ohio to destinations in Pennsylvania, including our Marcus Hook Terminal on the Delaware River, where they are processed, stored and distributed to local, domestic and waterborne markets.

•The Mariner West Pipeline provides transportation of ethane from the Marcellus Shale processing and fractionating areas in Houston, Pennsylvania to Marysville, Michigan and the Canadian border and has a throughput capacity of approximately 50 MBbls/d.

•The Mont Belvieu to Nederland Pipeline System consists of four pipelines, which deliver export-grade propane, butane, ethane and natural gasoline from our Mont Belvieu NGL Complex to our Nederland Terminal, having a total throughput capacity of approximately 730 MBbls/d. The ethane pipeline is part of the Orbit Gulf Coast joint venture, as described below.

•The White Cliffs NGL pipeline, in which we have 51% ownership interest, transports mixed NGLs produced in the DJ Basin to Cushing, Oklahoma where it interconnects with the Southern Hills Pipeline to move NGLs to Mont Belvieu, Texas and has a throughput capacity of approximately 90 MBbls/d.

•Other NGL pipelines include the 127-mile Justice pipeline, 63-mile Blue Ridge pipeline, the 45-mile Freedom pipeline, the 20-mile Spirit pipeline and a 50% interest in the 87 mile Liberty pipeline. Through our recent acquisition of Crestwood, we also own an undivided interest in 80 MBbls/d of capacity in a segment of the EPIC Y-Grade Pipeline, LP (EPIC) pipeline from Orla, Texas to Benedum, Texas.

•Our Mont Belvieu NGL Complex is an integrated liquids storage and fractionation facility. The storage facility has approximately 60 MMBbls of salt dome capacity providing 100% fee-based cash flows. The storage facility has access to multiple NGL and refined products pipelines, the Houston Ship Channel trading hub, numerous chemical plants, refineries and fractionators.

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Index to Financial Statements

The fractionation facility includes eight fractionators, which process NGLs delivered from several sources, including our Gulf Coast NGL Express, West Texas Gateway and Justice pipelines.

•Our Spindletop storage facilities, located in Beaumont, Texas, have 8 MMBbls of salt dome capacity.

•Acquired in 2023, Crestwood’s NGL storage assets include 13 LPG terminals which offer 10 MMBbls of storage capacity located in Pennsylvania, South Carolina, Mississippi, Michigan, New York and Indiana, with receipts and deliveries that are supported by both rail cars and third-party pipelines.

Other Crestwood assets include a fleet of rail and rolling stock with approximately 1.6 MMBbls/d of NGL pipeline, terminal and transportation capacity, which also includes rail-to-truck terminals located in Michigan, Indiana, Ohio, New Hampshire, Pennsylvania, New Jersey, New York, Rhode Island, North Carolina, South Carolina and Mississippi.

•ET Geismar Olefins consists of a refinery off-gas processing unit and an o-grade NGL fractionation / Refinery-Grade Propylene (“RGP”) splitting complex located along the Mississippi River refinery corridor in southern Louisiana. The off-gas processing unit cryogenically processes refinery off-gas, and the fractionation / RGP splitting complex fractionates the streams into higher value components. The o-grade fractionator and RGP splitting complex, located in Geismar, Louisiana, is connected by approximately 100 miles of pipeline to the Chalmette processing plant, which has a processing capacity of 54 MMcf/d.

•The Hattiesburg storage facility is an integrated liquids storage facility with approximately 5 MMBbls of salt dome capacity, providing 100% fee-based cash flows.

•The Cedar Bayou storage facility is an integrated liquids storage facility with approximately 1.6 MMBbls of tank storage, generating revenues from fixed fee storage contracts, throughput fees and revenue from blending butane into refined gasoline.

•The Nederland Terminal, in addition to crude oil activities, also provides approximately 1.9 MMBbls of storage and distribution services for NGLs delivered from our Mont Belvieu NGL Complex via our Mont Belvieu to Nederland Pipeline System, where such products can be exported via ship.

•The Orbit Gulf Coast joint venture consists of a 70-mile, 20-inch ethane pipeline with a throughput capacity of approximately 200 MBbls/d which delivers from our Mont Belvieu NGL Complex to our Nederland Terminal. It also includes a 180 MBbls/d ethane refrigeration facility and a 1.2 MMBbls storage facility at our Nederland Terminal.

•The Marcus Hook Terminal includes fractionation, terminalling and storage assets with a capacity of approximately 2 MMBbls of NGL storage capacity in underground caverns, 4 MMBbls of above-ground NGL refrigerated storage and related commercial agreements. The terminal has a total active refined products storage capacity of approximately 1 MMBbls. The facility can receive NGLs and refined products via marine vessel, pipeline, truck and rail, and can deliver via marine vessel, pipeline and truck. In addition to providing NGL storage and terminalling services to both affiliates and third-party customers, the Marcus Hook Terminal serves as an offtake outlet for our Mariner East Pipeline System.

The Marcus Hook Terminal also has a tank farm with total refined products storage capacity of approximately 2 MMBbls. The terminal receives and delivers refined products via pipeline and primarily provides terminalling services to support movements on our refined products pipelines.

•The Inkster Terminal, located near Detroit, Michigan, consists of multiple salt caverns with a total storage capacity of approximately 860 MBbls of NGLs. We use the Inkster Terminal’s storage in connection with the Toledo North pipeline system and for the storage of NGLs from local producers and a refinery in western Ohio. The terminal can receive and ship by pipeline in both directions and has a truck loading and unloading rack.

•The Eastern region refined products pipelines consist of 6-inch to 16-inch diameter refined product pipelines in eastern, central and north central Pennsylvania, 8-inch refined products pipeline in western New York and various diameter refined products pipelines in New Jersey (including 80 miles of the 16-inch diameter Harbor Pipeline).

•The Midcontinent region refined products pipelines primarily consist of 3-inch to 12-inch refined products pipelines in Ohio and 6-inch and 8-inch refined products pipeline in Michigan.

•The Southwest region refined products pipelines are located in East Texas and consist primarily of 8-inch and 12-inch diameter refined products pipeline.

•The Inland refined products pipeline consists of 12-, 10-, 8- and 6-inch diameter pipelines in the western, northwestern, and northeastern regions of Ohio.

•The J.C. Nolan Pipeline, a joint venture between a wholly owned subsidiary of the Partnership and a wholly owned subsidiary of Sunoco LP, transports diesel fuel from a tank farm in Hebert, Texas to Midland, Texas, and has a throughput capacity of approximately 36 MBbls/d.

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Index to Financial Statements

•We have 37 refined products terminals with an aggregate storage capacity of approximately 8 MMBbls that facilitate the movement of refined products to or from storage or transportation systems, such as a pipeline, to other transportation systems, such as trucks or other pipelines. Each facility typically consists of multiple storage tanks and is equipped with automated truck loading equipment that is operational 24 hours a day.

•The Eagle Point Terminal can accommodate three marine vessels (ships or barges) to receive and deliver refined products to outbound ships and barges. The tank farm has a total active refined products storage capacity of approximately 7 MMBbls and provides customers with access to the facility via ship, barge, rail and pipeline. The terminal can deliver via ship, barge, rail, truck or pipeline, providing customers with access to various markets. The terminal generates revenue primarily by charging fees based on throughput, blending services and storage.

•The J.C. Nolan Terminal, a joint venture between a wholly owned subsidiary of the Partnership and a wholly owned subsidiary of Sunoco LP, provides diesel fuel storage in Midland, Texas.

•This segment also includes the following joint ventures: a 15% membership interest in Explorer, a 1,850-mile pipeline which originates from refining centers in Beaumont, Port Arthur and Houston, Texas and extends to Chicago, Illinois; a 31% membership interest in the Wolverine Pipe Line Company, a 1,055-mile pipeline that originates from Chicago, Illinois and extends to Detroit, Grand Haven, and Bay City, Michigan; a 17% membership interest in the West Shore Pipe Line Company, a 650-mile pipeline which originates in Chicago, Illinois and extends to Madison and Green Bay, Wisconsin; a 14% membership interest in the Yellowstone Pipe Line Company, a 710-mile pipeline which originates from Billings, Montana and extends to Moses Lake, Washington.

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Index to Financial Statements

Crude Oil Transportation and Services

The following details our pipelines and terminals in its crude oil transportation and services operations:

Description of Assets	Ownership Interest		Miles of Crude Pipeline	Working Storage Capacity (MBbls)
Dakota Access Pipeline	36.40	%	1,170	—
Energy Transfer Crude Oil Pipeline	36.40	%	745	—
Bayou Bridge Pipeline	60	%	210	—
West Texas Gulf Pipeline	100.0	%	584
Permian Express Pipelines	87.7	%	1,004	—
Wattenberg Oil Trunkline	100	%	75	360
White Cliffs Pipeline(1)	51	%	530	100
Maurepas Pipeline	51	%	35	—
Mid Valley Pipeline	100	%	1,040	—
Cushing Pipeline	100	%	745	—
Wink to Webster Pipeline	5	%	642	—
Other, crude gathering and water gathering and disposal	100	%	7,700	—
Nederland Terminal	100	%	—	30,000
Midland terminals	100	%	—	3,000
Marcus Hook Terminal	100	%	—	1,000
Houston Terminal	100	%	—	18,200
Cushing Terminal	100	%	—	9,500
Patoka Terminal	87.7	%	—	1,900

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Index to Financial Statements

Price River Terminal	55	%	—	200
Colt Hub	100	%	20	1,200

(1)The White Cliffs Pipeline consists of two parallel, 12-inch common carrier pipelines: one crude oil pipeline and one NGL pipeline.

Our crude oil operations consist of an integrated set of pipeline, terminalling, trucking and acquisition and marketing assets that service the movement of crude oil from producers to end-user markets. The following details our assets in the crude oil transportation and services segment:

Crude Oil Pipelines

Our crude oil pipelines (through wholly owned subsidiaries or joint venture interests) consist of approximately 14,500 miles of crude oil trunk pipelines as well as crude oil and produced water gathering pipelines throughout the Southwest, Midcontinent and Midwest United States. Our crude oil pipelines provide access to several trading hubs, including the largest trading hub for crude oil in the United States located in Cushing, Oklahoma, and other trading hubs located in Midland, Colorado City and Longview, Texas. Our crude oil pipelines also deliver to and connect with other pipelines that deliver crude oil to a number of refineries.

•Bakken Pipeline. The Dakota Access Pipeline and Energy Transfer Crude Oil Pipeline are collectively referred to as the “Bakken Pipeline.” The Bakken Pipeline is a 1,915-mile pipeline that transports domestically produced crude oil from the Bakken/Three Forks production areas in North Dakota to a storage and terminal hub outside of Patoka, Illinois, or to gulf coast connections including our crude terminal in Nederland, Texas. The Bakken Pipeline has a capacity of up to 750 MBbls/d. The pipeline transports light, sweet crude oil from North Dakota to major refining markets in the Midwest and Gulf Coast regions.

The Dakota Access Pipeline consists of approximately 1,170 miles of 12, 20, 24 and 30-inch diameter pipeline traversing North Dakota, South Dakota, Iowa and Illinois. Crude oil transported on the Dakota Access Pipeline originates at six terminal locations in the North Dakota counties of Mountrail, Williams and McKenzie. The pipeline delivers the crude oil to a hub outside of Patoka, Illinois where it can be delivered to the Energy Transfer Crude Oil Pipeline for delivery to the Gulf Coast or can be transported via other pipelines to refining markets throughout the Midwest.

The Energy Transfer Crude Oil Pipeline consists of approximately 745 miles of mostly 30-inch diameter pipeline from Patoka, Illinois to Nederland, Texas, where the crude oil can be refined or further transported to additional refining markets.

•Bayou Bridge Pipeline. The Bayou Bridge Pipeline is a joint venture between Energy Transfer and a subsidiary of Phillips 66, in which we have a 60% ownership interest and serve as the operator of the pipeline. The Bayou Bridge Pipeline consists of a 30-inch pipeline from Nederland, Texas to Lake Charles, Louisiana, and a 24-inch pipeline from Lake Charles, Louisiana to St. James, Louisiana. Bayou Bridge Pipeline has a capacity of approximately 480 MBbls/d of light and heavy crude oil from different sources to the St. James crude oil hub, which is home to important refineries located in the Gulf Coast region.

•West Texas Gulf Pipeline. West Texas Gulf Pipeline is a 26-inch and 20-inch pipeline system that transports barrels from Colorado City, Texas to Longview, Texas for delivery onto Mid Valley Pipeline and additional delivery points along the Gulf Coast via joint tariff.

•Permian Express Pipelines. The Permian Express pipelines are part of the PEP joint venture and include the Permian Express 1, Permian Express 2, Permian Express 3, Permian Express 4, Permian Longview and Louisiana Access, Longview to Louisiana and Nederland Access pipelines. These pipelines are comprised of crude oil trunk pipelines and crude oil gathering pipelines in Texas and Oklahoma and provide takeaway capacity from the Permian Basin, with origins in multiple locations in West Texas.

•White Cliffs Pipeline. White Cliffs Pipeline owns a 12-inch common carrier, crude oil pipeline, with a throughput capacity of 100 MBbls/d, that transports crude oil from Platteville, Colorado to Cushing, Oklahoma.

•Maurepas Pipeline. The Maurepas Pipeline consists of three pipelines, with an aggregate throughput capacity of 460 MBbls/d, which service refineries in the Gulf Coast region.

•Mid Valley Pipeline. The Mid Valley Pipeline originates in Longview, Texas and passes through Louisiana, Arkansas, Mississippi, Tennessee, Kentucky and Ohio and terminates in Samaria, Michigan. This pipeline provides crude oil to a number of refineries, primarily in the Midwest United States.

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Index to Financial Statements

•Cushing Pipeline. The Cushing Pipeline, acquired as a part of the 2023 Lotus Midstream transaction, consists of two 16-inch crude oil pipelines, providing service from the Permian Basin to Cushing, Oklahoma and to third-party systems in North Texas.

•Wink to Webster Pipeline. The Wink to Webster Pipeline is capable of transporting approximately 1,000 MBbl/d from origin points at Wink and Midland in the Permian Basin for delivery to multiple Houston area locations. Our 5% ownership interest in the Wink to Webster Pipeline was obtained in the 2023 acquisition of Lotus Midstream.

•Crude Gathering and Water Gathering and Disposal. We own integrated crude oil and water gathering systems across multiple basins in the United States.

▪Permian Basin: Our Permian Basin gathering assets in West Texas and eastern New Mexico encompass multiple systems in highly active areas of both the Delaware and Midland basins, with the ability to deliver virtually all gathered crude to major market hubs, including Midland, Wink and Crane, as well as our own long-haul pipelines that provide service to the Gulf Coast and Cushing. Our Permian Basin operations also consist of produced water gathering and disposal services in the Delaware Basin which were acquired in the Crestwood transaction in the fourth quarter of 2023.

▪Williston Basin: Our Williston Basin gathering assets in North Dakota and eastern Montana include several systems, acquired through the Enable and Crestwood acquisitions, built for gathering and transporting crude production from the wellhead to long-haul pipelines, including our Bakken Pipeline. Additionally, we have multiple water gathering systems in the Williston Basin that transport produced water to wholly owned and third-party disposal wells.

▪Midcontinent: Our Midcontinent gathering assets in Oklahoma and Kansas primarily transport wellhead and truck-delivered volumes to several local refineries as well as to Cushing, Oklahoma. A portion of these operations are conducted through Enable South Central Pipeline, a joint venture with a subsidiary of CVR Energy, Inc., which is operated by us and in which we own a 60% membership interest.

Crude Oil Terminals

•Nederland, TX. The Nederland Terminal, located on the Sabine-Neches waterway between Beaumont and Port Arthur, Texas, is a large marine terminal providing storage and distribution services for refiners and other large transporters of crude oil and NGLs. The terminal receives, stores and distributes crude oil, NGLs, feedstocks, petrochemicals and bunker oils (used for fueling ships and other marine vessels). The terminal currently has a total storage capacity of approximately 30 MMBbls in more than 80 above ground storage tanks with individual capacities of up to 660 MBbls.

The Nederland Terminal can receive crude oil at three of its six ship docks and three of its four barge berths. The three ship docks are capable of receiving over 2 MMBbls/d of crude oil. In addition to our crude oil pipelines, the terminal can also receive crude oil through a number of other pipelines, including the DOE. The DOE pipelines connect the terminal to the United States Strategic Petroleum Reserve’s West Hackberry caverns at Hackberry, Louisiana and Big Hill caverns near Winnie, Texas, which have an aggregate storage capacity of approximately 395 MMBbls. The terminal also has crude oil rail unloading facilities, including steam availability for heating heavy oils prior to loading.

The Nederland Terminal can deliver crude oil and other petroleum products via pipeline, barge and ship. The terminal has three ship docks and three barge berths that are capable of delivering crude oils for international transport. In total, the terminal is capable of delivering over 2 MMBbls/d of crude oil to our crude oil pipelines or a number of third-party pipelines including the DOE. The Nederland Terminal generates crude oil revenues primarily by providing term or spot storage services and throughput capabilities to a number of customers.

•Midland, TX. We have two terminals in Midland, Texas, one of which includes approximately 1 MMBbls of crude oil storage and a combined 20 lanes of truck loading and unloading; the terminal provides access to the Permian Express pipelines. The second terminal, obtained in the 2023 acquisition of Lotus Midstream, offers 2 MMBbls of crude oil storage capacity and additional supply and demand connectivity.

•Marcus Hook, PA. The Marcus Hook Terminal can receive crude oil via marine vessel and can deliver via marine vessel and pipeline. The terminal has a total active crude oil storage capacity of approximately 1 MMBbls.

•Houston, TX. The Houston Terminal consists of storage tanks located on the Houston Ship Channel with an aggregate storage capacity of 18.2 MMBbls used to store, blend and transport refinery products and refinery feedstocks via pipeline, barge, rail, truck and ship. This facility has five deep-water ship docks on the Houston Ship Channel capable of loading and unloading Suezmax cargo vessels, and seven barge docks that can accommodate 23 barges simultaneously, three inbound crude oil pipelines, two outbound crude oil pipelines connecting to three refineries, and numerous rail and truck loading spots.

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Index to Financial Statements

•Cushing, OK. The Cushing Terminal has approximately 9.5 MMBbls of crude oil storage. The storage terminal has inbound connections with the White Cliffs Pipeline from Platteville, Colorado, the Great Salt Plains Pipeline from Cherokee, Oklahoma, the Cimarron Pipeline from Boyer, Kansas and two-way connections with all of the other major storage terminals in Cushing. The Cushing Terminal also includes truck unloading facilities.

•Patoka, IL. The Patoka Terminal is a tank farm owned by the PEP joint venture and is located in Marion County, Illinois. The facility includes 234 acres of owned land and provides for approximately 1.9 MMBbls of crude oil storage.

•Price River Terminal. The Price River Terminal is a rail terminal joint venture in Carbon County, Utah, capable of transloading local waxy crude production as well as other bulk materials. The terminal has 200 MBbls of heated storage and more than 60 MBbls/d of rail loading capacity.

•Colt Hub. The Colt Hub is located in the heart of the Williston Basin in Williams County, North Dakota. Acquired in 2023 as part of the Crestwood acquisition, the Colt Hub has approximately 1.2 MMBbls of crude oil storage capacity and 160 MBbls/d of rail loading capacity.

Crude Oil Acquisition and Marketing

Our crude oil acquisition and marketing operations are conducted using our assets, which include approximately 378 crude oil transport trucks, 350 trailers, approximately 176 crude oil truck unloading facilities as well as third-party truck, rail, pipeline and marine assets.

Investment in Sunoco LP

Sunoco LP’s fuel distribution and marketing operations are conducted by the following consolidated subsidiaries:

•    Sunoco, LLC (“Sunoco LLC”), a Delaware limited liability company, primarily distributes motor fuel in more than 40 states throughout the United States. Sunoco LLC also processes transmix and distributes refined product through its terminals in over 15 states.

•Sunoco Retail LLC (“Sunoco Retail”), a Pennsylvania limited liability company, owns and operates retail stores that sell motor fuel and merchandise primarily in New Jersey. Sunoco Retail also leases owned sites to commission agents who sell motor fuels to the motoring public on Sunoco Retail's behalf for a commission.

•Aloha Petroleum LLC, a Delaware limited liability company, distributes motor fuel and operates terminal facilities on the Hawaiian Islands.

•Aloha Petroleum, Ltd. (“Aloha”), a Hawaii corporation, owns and operates retail stores on the Hawaiian Islands and leases owned sites to commission agents who sell motor fuels to the motoring public on Aloha's behalf for a commission.

•Peerless Oil & Chemicals, Inc. (“Peerless”), a Delaware corporation, is a terminal operator that distributes fuel products to over 100 locations primarily within Puerto Rico.

Sunoco LP purchases motor fuel primarily from independent refiners and major oil companies and distributes it throughout the United States, including Hawaii and Puerto Rico, to:

•75 company-operated retail stores;

•476 independently operated commission agent locations where Sunoco LP sells motor fuel to customers under commission agent arrangements with such operators;

•6,828 retail stores operated by independent operators, which are referred to as “dealers” or “distributors,” pursuant to long-term distribution agreements; and

•approximately 1,600 other commercial customers, including unbranded retail stores, other fuel distributors, school districts and municipalities and other industrial customers.

Sunoco LP’s operations also include retail operations in Hawaii and New Jersey, credit card services and franchise royalties.

Investment in USAC

The following details the assets of USAC:

USAC’s modern, standardized compression unit fleet is powered primarily by the Caterpillar, Inc.’s 3400, 3500 and 3600 engine classes, which range from 401 to 5,000 horsepower per unit. These larger horsepower units, which USAC defines as 400 horsepower per unit or greater, represented 87.0% of its total fleet horsepower as of December 31, 2023. The remainder of its

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Index to Financial Statements

fleet consists of smaller horsepower units ranging from 40 horsepower to 399 horsepower that are primarily used in gas lift applications.

The following table provides a summary of USAC’s compression units by horsepower as of December 31, 2023:

Unit Horsepower	Fleet Horsepower	Number of Units	Horsepower on Order (1)	Number of Units on Order (1)	Total Horsepower	Number of Units	Percent of Fleet Horsepower		Percent of Units
Small horsepower
<400	499,752	2,946	—	—	499,752	2,946	13.0	%	54.6	%
Large horsepower
>400 and <1,000	416,983	715	—	—	416,983	715	10.9	%	13.2	%
>1,000	2,858,925	1,714	52,500	21	2,911,425	1,735	76.1	%	32.2	%
Total large horsepower	3,275,908	2,429	52,500	21	3,328,408	2,450	87.0	%	45.4	%
Total horsepower	3,775,660	5,375	52,500	21	3,828,160	5,396	100.0	%	100.0	%

(1)As of December 31, 2023, USAC had 21 large horsepower units, consisting of 52,500 horsepower, on order for expected delivery during 2024.

All Other

The following details the significant assets in the “All Other” segment.

Compression

We own Dual Drive Technologies, Ltd, which provides compression services to customers engaged in the transportation of natural gas, including our other segments.

Natural Resources Operations

Our Natural Resources operations primarily involve the management and leasing of coal properties and the subsequent collection of royalties. We also earn revenues from other land management activities, such as selling standing timber, leasing fee-based coal-related infrastructure facilities to certain lessees and end-user industrial plants, collecting oil and gas royalties and from coal transportation, or wheelage fees. As of December 31, 2023, we owned or controlled approximately 730 million tons of proven and probable coal reserves in central and northern Appalachia, properties in eastern Kentucky, southwestern Virginia and southern West Virginia, and in the Illinois Basin, properties in southern Illinois, Indiana, and western Kentucky and as the operator of end-user coal handling facilities.

Business Strategy

We believe we have engaged, and will continue to engage, in a well-balanced plan for growth through strategic acquisitions, internally generated expansion, measures aimed at increasing the profitability of our existing assets and executing cost control measures where appropriate to manage our operations.

We intend to continue to operate as a diversified, growth-oriented limited partnership. We believe that by pursuing independent operating and growth strategies we will be best positioned to achieve our objectives. We balance our desire for growth with our goal of preserving a strong balance sheet, ample liquidity and investment grade credit metrics.

Following is a summary of the business strategies of our core businesses:

Growth through acquisitions. We intend to continue to make strategic acquisitions that offer the opportunity for operational efficiencies and the potential for increased utilization and expansion of our existing assets while supporting our investment grade credit ratings.

Engage in construction and expansion opportunities. We intend to leverage our existing infrastructure and customer relationships by constructing and expanding systems to meet new or increased demand for midstream and transportation services.

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Index to Financial Statements

Increase cash flow from fee-based businesses. We intend to increase the percentage of our business conducted with third parties under fee-based arrangements in order to provide for stable, consistent cash flows over long contract periods while reducing exposure to changes in commodity prices.

Enhance profitability of existing assets. We intend to increase the profitability of our existing asset base by adding new volumes under long-term producer commitments, undertaking additional initiatives to enhance utilization and reducing costs by improving operations.

Competition

Natural Gas

The business of providing natural gas gathering, compression, treating, transportation, storage and marketing services is highly competitive. Since pipelines are generally the only practical mode of transportation for natural gas over land, the most significant competitors of our transportation and storage segment are other pipelines. Pipelines typically compete with each other based on location, capacity, price and reliability.

We face competition with respect to retaining and obtaining significant natural gas supplies under terms favorable to us for the gathering, treating and marketing portions of our business. Our competitors include major integrated oil and gas companies, interstate and intrastate pipelines and other companies that gather, compress, treat, process, transport and market natural gas. Many of our competitors, such as major oil and gas and pipeline companies, have capital resources and control supplies of natural gas substantially greater than ours.

In marketing natural gas, we have numerous competitors, including marketing affiliates of interstate pipelines, major integrated oil and gas companies, and local and national natural gas gatherers, brokers and marketers of widely varying sizes, financial resources and experience. Local utilities and distributors of natural gas are, in some cases, engaged directly, and through affiliates, in marketing activities that compete with our marketing operations.

NGL

In markets served by our NGL pipelines, we face competition with other pipeline companies, including those affiliated with major oil, petrochemical and natural gas companies, and barge, rail and truck fleet operations. In general, our NGL pipelines compete with these entities in terms of transportation fees, reliability and quality of customer service. We face competition with other storage facilities based on fees charged and the ability to receive and distribute the customer’s products. We compete with a number of NGL fractionators in Texas and Louisiana. Competition for such services is primarily based on the fractionation fee charged.

Crude Oil and Refined Products

In markets served by our crude oil and refined products pipelines, we face competition from other pipelines as well as rail and truck transportation. Generally, pipelines are the safest, lowest cost method for long-haul, overland movement of products and crude oil. Therefore, the most significant competitors for large volume shipments in the areas served by our pipelines are other pipelines. In addition, pipeline operations face competition from rail and trucks that deliver products in a number of areas that our pipeline operations serve. While their costs may not be competitive for longer hauls or large volume shipments, rail and trucks compete effectively for incremental and marginal volume in many areas served by our pipelines.

With respect to competition from other pipelines, the primary competitive factors consist of transportation charges, access to crude oil supply and market demand. Competitive factors in crude oil purchasing and marketing include price and contract flexibility, quantity and quality of services, and accessibility to end markets.

Our refined product terminals compete with other independent terminals with respect to price, versatility and services provided. The competition primarily comes from integrated petroleum companies, refining and marketing companies, independent terminal companies and distribution companies with marketing and trading operations.

Wholesale Fuel Distribution and Retail Marketing

In our wholesale fuel distribution business, we compete primarily with other independent motor fuel distributors. The markets for distribution of wholesale motor fuel and the large and growing convenience store industry are highly competitive and fragmented, which results in narrow margins. We have numerous competitors, some of which may have significantly greater resources and name recognition than we do. Significant competitive factors include the availability of major brands, customer service, price, range of services offered and quality of service, among others. We rely on our ability to provide value-added and reliable service and to control our operating costs in order to maintain our margins and competitive position.

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Index to Financial Statements

In our retail business, we face strong competition in the market for the sale of retail gasoline and merchandise. Our competitors include service stations of large integrated oil companies, independent gasoline service stations, convenience stores, fast food stores, supermarkets, drugstores, dollar stores, club stores and other similar retail outlets, some of which are well-recognized national or regional retail systems. The number of competitors varies depending on the geographical area. It also varies with gasoline and convenience store offerings. The principal competitive factors affecting our retail marketing operations include gasoline and diesel acquisition costs, site location, product price, selection and quality, site appearance and cleanliness, hours of operation, store safety, customer loyalty and brand recognition. We compete by pricing gasoline competitively, combining our retail gasoline business with convenience stores that provide a wide variety of products, and using advertising and promotional campaigns.

Credit Risk and Customers

Credit risk refers to the risk that a counterparty may default on its contractual obligations resulting in a loss to the Partnership. Credit policies have been approved and implemented to govern the Partnership’s portfolio of counterparties with the objective of mitigating credit losses. These policies establish guidelines, controls and limits to manage credit risk within approved tolerances by mandating an appropriate evaluation of the financial condition of existing and potential counterparties, monitoring agency credit ratings and by implementing credit practices that limit exposure according to the risk profiles of the counterparties. Furthermore, the Partnership may, at times, require collateral under certain circumstances to mitigate credit risk as necessary. The Partnership also uses industry standard commercial agreements which allow for the netting of exposures associated with transactions executed under a single commercial agreement. Additionally, we utilize master netting agreements to offset credit exposure across multiple commercial agreements with a single counterparty or affiliated group of counterparties.

Our natural gas transportation and midstream revenues are derived significantly from companies that engage in exploration and production activities. In addition to oil and gas producers, the Partnership’s counterparties consist of a diverse portfolio of customers across the energy industry, including petrochemical companies, commercial and industrial end-users, municipalities, gas and electric utilities, midstream companies and independent power generators. Our overall exposure may be affected positively or negatively by macroeconomic or regulatory changes that impact our counterparties to one extent or another. Currently, management does not anticipate a material adverse effect in our financial position or results of operations as a consequence of counterparty non-performance.

During the year ended December 31, 2023, none of our customers individually accounted for more than 10% of our consolidated revenues.

Regulation

Regulation of Interstate Natural Gas Pipelines. The FERC has broad regulatory authority over the business and operations of interstate natural gas pipelines. Under the NGA, the FERC generally regulates the transportation of natural gas in interstate commerce. For FERC regulatory purposes, “transportation” includes natural gas pipeline transmission (forwardhauls and backhauls), storage and other services. FGT, Transwestern, Panhandle, Trunkline, Tiger, Fayetteville Express, Rover, Sea Robin, Midcontinent Express, EGT, MRT, SESH, Stingray, Gulf Run and Southwest Gas transport natural gas in interstate commerce and thus each qualifies as a “natural-gas company” under the NGA subject to the FERC’s regulatory jurisdiction. We also hold certain natural gas storage facilities that are subject to the FERC’s regulatory oversight under the NGA.

The FERC’s NGA authority includes the power to:

•approve the siting, construction and operation of new facilities;

•review and approve transportation rates;

•determine the types of services our regulated assets are permitted to perform;

•regulate the terms and conditions associated with these services;

•permit the extension or abandonment of services and facilities;

•require the maintenance of accounts and records; and

•authorize the acquisition and disposition of facilities.

Under the NGA, interstate natural gas companies must charge rates that are just and reasonable. In addition, the NGA prohibits natural gas companies from unduly preferring or unreasonably discriminating against any person with respect to pipeline rates or terms and conditions of service.

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Index to Financial Statements

The maximum rates to be charged by NGA-jurisdictional natural gas companies and their terms and conditions for service are required to be on file with the FERC. Most natural gas companies are authorized to offer discounts from their FERC-approved maximum just and reasonable rates when competition warrants such discounts. Natural gas companies are also generally permitted to offer negotiated rates different from rates established in their tariff if, among other requirements, such companies’ tariffs offer a cost-based recourse rate to a prospective shipper as an alternative to the negotiated rate. Natural gas companies must make offers of rate discounts and negotiated rates on a basis that is not unduly discriminatory. Existing tariff rates may be challenged by complaint or on the FERC’s own motion, and if found unjust and unreasonable, may be altered on a prospective basis from no earlier than the date of the complaint or initiation of a proceeding by the FERC. The FERC must also approve all rate changes. We cannot guarantee that the FERC will allow us to charge rates that fully recover our costs or continue to pursue its approach of pro-competitive policies.

Pursuant to the FERC’s rules promulgated under the Energy Policy Act of 2005 (the “EPAct of 2005”), it is unlawful for any entity, directly or indirectly, in connection with the purchase or sale of electric energy or natural gas or the purchase or sale of transmission or transportation services subject to FERC jurisdiction: (i) to defraud using any device, scheme or artifice; (ii) to make any untrue statement of material fact or omit a material fact; or (iii) to engage in any act, practice or course of business that operates or would operate as a fraud or deceit. The Commodity Futures Trading Commission (“CFTC”) also holds authority to monitor certain segments of the physical and futures energy commodities market pursuant to the Commodity Exchange Act (“CEA”). In addition, the Federal Trade Commission has the authority under the Federal Trade Commission Act of 1914 and the Energy Independence and Security Act of 2007 to regulate wholesale petroleum markets. With regard to our physical purchases and sales of natural gas, NGLs or other energy commodities; our transportation of these energy commodities; and any related hedging activities that we undertake, we are required to observe these anti-market manipulation laws and related regulations enforced by the FERC, the CFTC and/or the Federal Trade Commission. These agencies hold substantial enforcement authority, including the ability to assess or seek civil penalties of up to approximately $1.5 million per day per violation, to order disgorgement of profits and to recommend criminal penalties. Should we violate the anti-market manipulation laws and regulations, we could also be subject to related third-party damage claims by, among others, sellers, royalty owners and taxing authorities.

Failure to comply with the NGA, the EPAct of 2005, the CEA and the other federal laws and regulations governing our operations and business activities can result in the imposition of administrative, civil and criminal remedies.

Regulation of Intrastate Natural Gas and NGL Pipelines. Intrastate transportation of natural gas and NGLs is largely regulated by the state in which such transportation takes place. To the extent that our intrastate natural gas transportation systems transport natural gas in interstate commerce, the rates and terms and conditions of such services are subject to FERC jurisdiction under Section 311 of the NGPA. The NGPA regulates, among other things, the provision of transportation services by an intrastate natural gas pipeline on behalf of a local distribution company or an interstate natural gas pipeline. The rates and terms and conditions of some transportation and storage services provided on our pipeline systems of Enable Oklahoma Intrastate Transmission, LLC, Oasis Pipeline, LP, Houston Pipe Line Company LP, ETC Katy Pipeline, LLC, Energy Transfer Fuel, LP, , Lobo Pipeline Company, LLC, Pelico Pipeline, LLC, Regency Intrastate Gas LP, Red Bluff Express Pipeline, LLC, Trans-Pecos Pipeline, LLC and Comanche Trail Pipeline, LLC are subject to FERC regulation pursuant to Section 311 of the NGPA. Under Section 311, rates charged for intrastate transportation must be fair and equitable, and amounts collected in excess of fair and equitable rates are subject to refund with interest. The terms and conditions of service set forth in the intrastate facility’s statement of operating conditions are also subject to FERC review and approval. Should the FERC determine not to authorize rates equal to or greater than our currently approved Section 311 rates, our business may be adversely affected. Failure to observe the service limitations applicable to transportation and storage services under Section 311, failure to comply with the rates approved by the FERC for Section 311 service, and failure to comply with the terms and conditions of service established in the pipeline’s FERC-approved statement of operating conditions could result in an alteration of jurisdictional status, and/or the imposition of administrative, civil and criminal remedies.

Our intrastate natural gas operations are also subject to regulation by various agencies in Texas, principally the TRRC. Our intrastate pipeline and storage operations in Texas are also subject to the Texas Utilities Code, as implemented by the TRRC. Generally, the TRRC is vested with authority to ensure that rates, operations and services of gas utilities, including intrastate pipelines, are just and reasonable and not discriminatory. The rates we charge for transportation services are deemed just and reasonable under Texas law unless challenged in a customer or TRRC complaint. We cannot predict whether such a complaint will be filed against us or whether the TRRC will change its regulation of these rates. Failure to comply with the Texas Utilities Code can result in the imposition of administrative, civil and criminal remedies.

Our NGL pipelines and operations are subject to state statutes and regulations which could impose additional environmental, safety and operational requirements relating to the design, siting, installation, testing, construction, operation, replacement and management of NGL transportation systems. In some jurisdictions, state public utility commission oversight may include the possibility of fines, penalties and delays in construction related to these regulations. In addition, the rates, terms and conditions

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Index to Financial Statements

of service for shipments of NGLs on our pipelines are subject to regulation by the FERC under the Interstate Commerce Act (“ICA”) and the Energy Policy Act of 1992 (the “EPAct of 1992”) if the NGLs are transported in interstate or foreign commerce whether by our pipelines or other means of transportation. Since we do not control the entire transportation path of all NGLs shipped on our pipelines, FERC regulation could be triggered by our customers’ transportation decisions.

Regulation of Sales of Natural Gas and NGLs. The price at which we buy and sell natural gas currently is not subject to federal regulation and, for the most part, is not subject to state regulation. The price at which we sell NGLs is not subject to federal or state regulation.

To the extent that we enter into transportation contracts with natural gas pipelines that are subject to FERC regulation, we are subject to FERC requirements related to the use of such capacity. Any failure on our part to comply with the FERC’s regulations and policies, or with an interstate pipeline’s tariff, could result in the imposition of civil and criminal penalties.

Our sales of natural gas are affected by the availability, terms and cost of pipeline transportation. As noted above, the price and terms of access to pipeline transportation are subject to extensive federal and state regulation. The FERC frequently proposes and implements new rules and regulations affecting those segments of the natural gas industry. These initiatives also may affect the intrastate transportation of natural gas under certain circumstances. The stated purpose of many of these regulatory changes is to promote competition among the various sectors of the natural gas industry and these initiatives generally reflect more light-handed regulation. We cannot predict the ultimate impact of these regulatory changes to our natural gas marketing operations, and we note that some of the FERC’s regulatory changes may adversely affect the availability and reliability of interruptible transportation service on interstate pipelines. We do not believe that we will be affected by any such FERC action in a manner that is materially different from other natural gas marketers with whom we compete.

Regulation of Gathering Pipelines. Section 1(b) of the NGA exempts natural gas gathering facilities from the jurisdiction of the FERC under the NGA. We own a number of natural gas pipelines in Texas, Louisiana and West Virginia that we believe meet the traditional tests the FERC uses to establish a pipeline’s status as a gathering pipeline not subject to FERC jurisdiction. However, the distinction between FERC-regulated transmission services and federally unregulated gathering services has been the subject of substantial litigation and varying interpretations, so the classification and regulation of our gathering facilities could be subject to change based on future determinations by the FERC, the courts and Congress. State regulation of gathering facilities generally includes various safety, environmental and, in some circumstances, nondiscriminatory take requirements and complaint-based rate regulation.

In Texas, our gathering facilities are subject to regulation by the TRRC under the Texas Utilities Code in the same manner as described above for our intrastate pipeline facilities. Louisiana’s Pipeline Operations Section of the Department of Natural Resources’ Office of Conservation is generally responsible for regulating intrastate pipelines and gathering facilities in Louisiana and has authority to review and authorize natural gas transportation transactions and the construction, acquisition, abandonment and interconnection of physical facilities.

Historically, apart from pipeline safety, Louisiana has not acted to exercise this jurisdiction respecting gathering facilities. In Louisiana, our Chalkley System is regulated as an intrastate transporter, and the Louisiana Office of Conservation has determined that our Whiskey Bay System is a gathering system.

We are subject to state ratable take and common purchaser statutes in all of the states in which we operate. The ratable take statutes generally require gatherers to take, without undue discrimination, natural gas production that may be tendered to the gatherer for handling. Similarly, common purchaser statutes generally require gatherers to purchase without undue discrimination as to source of supply or producer. These statutes are designed to prohibit discrimination in favor of one producer over another producer or one source of supply over another source of supply. These statutes have the effect of restricting the right of an owner of gathering facilities to decide with whom it contracts to purchase or transport natural gas.

Natural gas gathering may receive greater regulatory scrutiny at both the state and federal levels. For example, the TRRC has approved changes to its regulations governing transportation and gathering services performed by intrastate pipelines and gatherers, which prohibit such entities from unduly discriminating in favor of their affiliates. Many of the producing states have adopted some form of complaint-based regulation that generally allows natural gas producers and shippers to file complaints with state regulators in an effort to resolve grievances relating to natural gas gathering access and rate discrimination allegations. Our gathering operations could be adversely affected should they be subject in the future to the application of additional or different state or federal regulation of rates and services. Our gathering operations also may be or become subject to safety and operational regulations relating to the design, installation, testing, construction, operation, replacement and management of gathering facilities. Additional rules and legislation pertaining to these matters are considered or adopted from time to time. We cannot predict what effect, if any, such changes might have on our operations, but the industry could be required to incur additional capital expenditures and increased costs depending on future legislative and regulatory changes.

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Regulation of Interstate Crude Oil, NGL and Products Pipelines. Interstate common carrier pipeline operations are subject to rate regulation by the FERC under the ICA, the EPAct of 1992, and related rules and orders. The ICA requires that tariff rates for petroleum pipelines be “just and reasonable” and not unduly discriminatory and that such rates and terms and conditions of service be filed with the FERC. This statute also permits interested persons to challenge proposed new or changed rates. The FERC is authorized to suspend the effectiveness of such rates for up to seven months, though rates are typically not suspended for the maximum allowable period. If the FERC finds that the new or changed rate is unlawful, it may require the carrier to pay refunds for the period that the rate was in effect. The FERC also may investigate, upon complaint or on its own motion, rates that are already in effect and may order a carrier to change its rates prospectively. Upon an appropriate showing, a shipper may obtain reparations for damages sustained for a period of up to two years prior to the filing of a complaint.

The FERC generally has not investigated interstate rates on its own initiative when those rates, like those we charge, have not been the subject of a protest or a complaint by a shipper. However, the FERC could investigate our rates at the urging of a third party if the third party is either a current shipper or has a substantial economic interest in the tariff rate level. Although no assurance can be given that the tariff rates charged by us ultimately will be upheld if challenged, management believes that the tariff rates now in effect for our pipelines are within the maximum rates allowed under current FERC policies and precedents.

For many locations served by our product and crude pipelines, we are able to establish negotiated rates. Otherwise, we are permitted to charge cost-based rates, or in many cases, grandfathered rates based on historical charges or settlements with our customers. To the extent we rely on cost-of-service ratemaking to establish or support our rates, the issue of the proper allowance for federal and state income taxes could arise. In July 2016, the United States Court of Appeals for the District of Columbia Circuit issued an opinion in United Airlines, Inc., et al. v. FERC, finding that the FERC had failed to demonstrate that permitting an interstate petroleum products pipeline organized as a master limited partnership, or MLP, to include an income tax allowance in the cost of service underlying its rates, in addition to the discounted cash flow return on equity, would not result in the pipeline partnership owners double recovering their income taxes. The court vacated the FERC’s order and remanded to the FERC to consider mechanisms for demonstrating that there is no double recovery as a result of the income tax allowance.

In March 2018, the FERC issued a Revised Policy Statement on Treatment of Income Taxes in which the FERC found that an impermissible double recovery results from granting an MLP pipeline both an income tax allowance and a return on equity pursuant to the FERC’s discounted cash flow methodology. The FERC revised its previous policy, stating that it would no longer permit an MLP pipeline to recover an income tax allowance in its cost of service. The FERC stated it will address the application of the United Airlines decision to non-MLP partnership forms as those issues arise in subsequent proceedings. In July 2018, the FERC dismissed requests for rehearing and clarification of the March 2018 Revised Policy Statement, but provided further guidance, clarifying that a pass-through entity will not be precluded in a future proceeding from arguing and providing evidentiary support that it is entitled to an income tax allowance and demonstrating that its recovery of an income tax allowance does not result in a double recovery of investors’ income tax costs. On July 31, 2020, the United States Court of Appeals for the District of Columbia Circuit issued an opinion upholding FERC’s March 2018 Revised Policy Statement, as clarified and revised on rehearing. In light of the rehearing order’s clarification regarding individual entities’ ability to argue in support of recovery of an income tax allowance and the court’s subsequent opinion upholding denial of an income tax allowance to a master limited partnership, the impacts the FERC’s policy on the treatment of income taxes may have on the rates an interstate pipeline held in a tax-pass-through entity can charge for the FERC regulated transportation services are unknown at this time. Please see “Item 1A. Risk Factors - Regulatory Matters.”

Effective January 2018, the 2017 Tax Cuts and Jobs Act changed several provisions of the federal tax code, including a reduction in the maximum corporate tax rate. With the lower tax rate, and as discussed immediately above, the maximum tariff rates allowed by the FERC under its rate base methodology may be impacted by a lower income tax allowance component. Many of our interstate pipelines, such as Tiger, Midcontinent Express and Fayetteville Express, have negotiated market rates that were agreed to by customers in connection with long-term contracts entered into to support the construction of the pipelines, and the rate base methodology does not apply directly to these contracts. Other systems, such as FGT, Transwestern and Panhandle, have a mix of tariff rate, discount rate, and negotiated rate agreements. In addition, several of these pipelines are covered by approved settlements, pursuant to which rate filings will be made in the future. As such, the timing and impact to these systems of any tax-related policy change is unknown at this time and varies based on the circumstances of each pipeline.

The EPAct of 1992 required the FERC to establish a simplified and generally applicable methodology to adjust tariff rates for inflation for interstate petroleum pipelines. As a result, the FERC adopted an indexing rate methodology which, as currently in effect, allows common carriers to change their rates within prescribed ceiling levels that are tied to changes in the Producer Price Index for Finished Goods, or PPI-FG. The FERC’s indexing methodology is subject to review every five years.

In December 2020, FERC issued an order setting the indexed rate at PPI-FG plus 0.78% during the five-year period commencing July 1, 2021 and ending June 30, 2026. The FERC received requests for rehearing of its December 17, 2020 order

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Index to Financial Statements

and on January 20, 2022, granted rehearing and modified the oil index. Specifically, for the five-year period commencing July 1, 2021 and ending June 30, 2026, FERC-regulated liquids pipelines charging indexed rates are permitted to adjust their indexed ceilings annually by PPI-FG minus 0.21%. FERC directed liquids pipelines to recompute their ceiling levels for July 1, 2021 through June 30, 2022, as well as the ceiling levels for the period July 1, 2022 through June 30, 2023, based on the new index level. Where an oil pipeline’s filed rates exceed its ceiling levels, FERC ordered such oil pipelines to reduce the rate to bring it into compliance with the recomputed ceiling level to be effective March 1, 2022. Some parties sought rehearing of the January 20 order with FERC, which was denied by FERC on May 6, 2022. Certain parties have appealed the January 20 and May 6 orders. Such appeals remain pending at the D.C. Circuit. The indexing methodology is applicable to existing rates, including grandfathered rates, with the exclusion of market-based rates. A pipeline is not required to raise its rates up to the index ceiling, but it is permitted to do so and rate increases made under the index are presumed to be just and reasonable unless a protesting party can demonstrate that the portion of the rate increase resulting from application of the index is substantially in excess of the pipeline’s increase in costs. Under the indexing rate methodology, in any year in which the index is negative, pipelines must file to lower their rates if those rates would otherwise be above the rate ceiling.

In November 2017, the FERC responded to a petition for declaratory order and issued an order that may have significant impacts on the way a marketer of crude oil or petroleum products that is affiliated with an interstate pipeline can price its services if those services include transportation on an affiliate’s interstate pipeline. In particular, the FERC’s November 2017 order prohibits buy/sell arrangements by a marketing affiliate if: (i) the transportation differential applicable to its affiliate’s interstate pipeline transportation service is at a discount to the affiliated pipeline’s filed rate for that service; and (ii) the pipeline affiliate subsidizes the loss. Several parties have requested that the FERC clarify its November 2017 order or, in the alternative, grant rehearing of the November 2017 order. On December 15, 2022, the FERC provided further clarification of its November 2017 order but denied requests for rehearing.

Finally, on December 15, 2022, the FERC issued a Proposed Policy Statement on Oil Pipeline Affiliate Committed Service, which addresses whether a contract for committed transportation service complies with the Interstate Commerce Act where the only shipper to obtain the committed service is an affiliate of the regulated entity. If adopted, the proposed policy statement would create a rebuttable presumption that affiliate contracts are unduly discriminatory and not just and reasonable in certain circumstances and require a pipeline to produce additional evidentiary support for affiliate contracts rates and terms. This follows a trend of increased scrutiny by FERC on affiliated contracts across all industries regulated by the FERC. Initial comments on the proposed policy statement were due on February 13, 2023. The FERC has taken no further action on the proposed policy statement since that time.

Regulation of Intrastate Crude Oil, NGL and Products Pipelines. Some of our crude oil, NGL and products pipelines are subject to regulation by the TRRC, the Pennsylvania Public Utility Commission and the Oklahoma Corporation Commission. The operations of our joint venture interests are also subject to regulation in the states in which they operate. The applicable state statutes require that pipeline rates be nondiscriminatory and provide no more than a fair return on the aggregate value of the pipeline property used to render services. State commissions generally have not initiated an investigation of rates or practices of petroleum pipelines in the absence of shipper complaints. Complaints to state agencies have been infrequent and are usually resolved informally. Although management cannot be certain that our intrastate rates ultimately would be upheld if challenged, we believe that, given this history, the tariffs now in effect are not likely to be challenged or, if challenged, are not likely to be ordered to be reduced.

In addition, as noted above, the rates, terms and conditions for shipments of crude oil, NGLs or products on our pipelines could be subject to regulation by the FERC under the ICA and the EPAct of 1992 if the crude oil, NGLs or products are transported in interstate or foreign commerce whether by our pipelines or other means of transportation. Since we do not control the entire transportation path of all crude oil, NGLs or products shipped on our pipelines, FERC regulation could be triggered by our customers’ transportation decisions.

Regulation of LNG Liquefaction Facilities and LNG Exports. The design, construction, operation, maintenance and expansion of our liquefaction facilities and the import or export of LNG are highly regulated activities subject to the jurisdiction of the FERC pursuant to the NGA. In contrast to pipeline regulation, the FERC does not require LNG terminal owners to provide open-access services at cost-based or regulated rates.

In order to site, construct and operate our LNG terminal, we received and are required to maintain authorizations from the FERC under Section 3 of the NGA as well as other material governmental and regulatory approvals and permits. The EPAct of 2005 amended Section 3 of the NGA to establish or clarify the FERC’s exclusive authority to approve or deny an application for the siting, construction, expansion or operation of LNG terminals, unless specifically provided otherwise in the EPAct of 2005 amendments to the NGA. For example, nothing in the EPAct amendments to the NGA were intended to affect otherwise applicable law related to any other federal agency’s authorities or responsibilities related to LNG terminals or those of a state acting under federal law.

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Several other material governmental and regulatory approvals and permits are required throughout the life of our LNG terminal. Our FERC authorizations require us to comply with certain ongoing conditions and reporting obligations and to maintain other regulatory agency approvals throughout the life of our facilities. For example, throughout the life of our LNG terminal, we are subject to regular reporting requirements to the FERC, PHMSA, and applicable federal and state regulatory agencies regarding the operation and maintenance of our facilities. To date, we have been able to obtain and maintain required approvals as needed, and the need for these approvals and reporting obligations have not materially affected our construction or operations.

The export of LNG produced by any liquefaction facility in the United States requires export authorization from the DOE. The NGA requires the DOE to approve applications for LNG exports unless such approval would be “inconsistent with the public interest.” In March 2013, Lake Charles LNG Export obtained a DOE authorization to export LNG to countries with which the United States has or will have Free Trade Agreements (“FTA”) for trade in natural gas (the “FTA Authorization”). FTA countries currently recognized by the DOE for exports of LNG include Australia, Bahrain, Canada, Chile, Colombia, Dominican Republic, El Salvador, Guatemala, Honduras, Jordan, Mexico, Morocco, Nicaragua, Oman, Panama, Peru, Republic of Korea and Singapore. In July 2016, Lake Charles LNG Export also obtained a conditional DOE authorization to export LNG to countries that do not have an FTA for trade in natural gas (the “Non-FTA Authorization”) subject to commencement of exports no later than December 2020. Lake Charles LNG Export applied for an extension of the deadline to commence exports under the Non-FTA Authorization to December 2025 and the DOE approved such extension request in October 2020. Lake Charles LNG Export applied for a second extension of the deadline to commence exports and in April 2023 the DOE denied this request in connection with a new DOE policy related to extension requests. In light of this new policy, in August 2023, Lake Charles LNG Export applied for a new Non-FTA Authorization which, if approved, would provide for a new deadline to commence exports to Non-FTA countries, which deadline would be seven years from the date of such approval. In January 2024, the Biden administration announced a moratorium on the approval of LNG export authorizations by the DOE and instructed the DOE to conduct studies related to the cumulative impact of LNG exports on domestic natural gas prices, climate change and other matters. The Biden administration stated that these studies were necessary to enable the DOE to make determinations related to the statutory “public interest” standard. The DOE has stated that these studies will take several months to complete, after which a draft policy statement will be made available for public comment prior to finalizing the policy statement. This process is not expected to be completed prior to the U.S. Presidential election in November 2024.

Regulation of Pipeline Safety. Our pipeline operations are subject to regulation by the DOT, through PHMSA, pursuant to the Natural Gas Pipeline Safety Act of 1968, as amended (“NGPSA”), with respect to natural gas and the Hazardous Liquids Pipeline Safety Act of 1979, as amended (“HLPSA”), with respect to crude oil, NGLs and condensates. The NGPSA and HLPSA, as amended, govern the design, installation, testing, construction, operation, replacement and management of natural gas as well as crude oil, NGL and condensate pipeline facilities. Pursuant to these acts, PHMSA has promulgated regulations governing pipeline wall thickness, design pressures, maximum operating pressures, pipeline patrols and leak surveys, minimum depth requirements, and emergency procedures, as well as other matters intended to ensure adequate protection for the public and to prevent accidents and failures. Additionally, PHMSA has established a series of rules requiring pipeline operators to develop and implement integrity management programs for certain gas and hazardous liquid pipelines that, in the event of a pipeline leak or rupture, could affect high consequence areas, which are areas where a release could have the most significant adverse consequences, including high population areas, certain drinking water sources and unusually sensitive ecological areas. Failure to comply with the pipeline safety laws and regulations may result in the assessment of sanctions, including administrative, civil or criminal penalties, the imposition of investigatory, remedial or corrective action obligations, the occurrence of delays in permitting or the performance of projects, or the issuance of injunctions limiting or prohibiting some or all of our operations in the affected area.

The HLPSA and NGPSA have been amended by the Pipeline Safety, Regulatory Certainty, and Job Creation Act of 2011 (“2011 Pipeline Safety Act”) and the Protecting Our Infrastructure of Pipelines and Enhancing Safety Act of 2016. The 2011 Pipeline Safety Act increased the penalties for safety violations, established additional safety requirements for newly constructed pipelines and required studies of safety issues that could result in the adoption of new regulatory requirements by PHMSA for existing pipelines. The 2011 Pipeline Safety Act doubled the maximum administrative fines for safety violations from $0.1 million to $0.2 million for a single violation and from $1 million to $2 million for a related series of violations, but provided that these maximum penalty caps do not apply to certain civil enforcement actions. In May 2021, PHMSA issued a final rule increasing those maximum civil penalties to approximately $0.2 million per day, with a maximum of approximately $2 million for a series of violations, to account for inflation. Upon reauthorization of PHMSA, Congress often directs the agency to complete certain rulemakings. For example, in the Consolidated Appropriations Bill for Fiscal Year 2021, Congress reauthorized PHMSA through fiscal year 2023 and directed the agency to move forward with several regulatory actions, including the “Pipeline Safety: Class Location Change Requirements” and the “Pipeline Safety: Safety of Gas Transmission and Gathering Pipelines” proposed rulemaking. To that end, in November 2021, PHMSA issued a final rule significantly expanding reporting and safety requirements of operators of gas gathering pipelines. The rule imposes safety regulations on approximately 400,000 miles of previously unregulated onshore gas gathering lines that, among other things, will impose criteria for

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Index to Financial Statements

inspection and repair of fugitive emissions, extend reporting requirements to all gas gathering operators and apply a set of minimum safety requirements to certain gas gathering pipelines with large diameters and high operating pressures. Additionally, in June 2021, PHMSA issued an Advisory Bulletin advising pipeline and pipeline facility operators of applicable requirements to update their inspection and maintenance plans for the elimination of hazardous leaks and minimization of natural gas from related pipeline facilities. PHMSA, together with state regulators, are expected to commence and complete inspection of these plans in 2022.

In addition, states have adopted regulations, similar to existing PHMSA regulations, for intrastate gathering and transmission lines. The states in which we conduct operations typically have developed regulatory programs that parallel the federal regulatory scheme and are applicable to intrastate pipelines. Under such state regulatory programs, states have the authority to conduct pipeline inspections, to investigate accidents and to oversee compliance and enforcement, safety programs and record maintenance and reporting. Congress, PHMSA and individual states may pass or implement additional safety requirements that could result in increased compliance costs for us and other companies in our industry. For example, federal construction, maintenance and inspection standards under the NGPSA that apply to pipelines in relatively populated areas may not apply to gathering lines running through rural regions. However, in October 2019, PHMSA published two further final rules, in addition to the November 2021 rule discussed above, that create or expand reporting, inspection, maintenance, and other pipeline safety obligations, including, among other things, extending pipeline integrity assessments to pipelines in certain locations, including newly-defined “Moderate Consequence Areas” (“MCAs”). Specifically, PHMSA issued a final rule imposing numerous requirements on onshore gas transmission pipelines relating to maximum allowable operating pressure (“MAOP”), reconfirmation and exceedance reporting, the integrity assessment of additional pipeline mileage found in MCAs, non-High Consequence Area (“HCAs”), and Class 3 and Class 4 areas by 2023, and the consideration of seismicity as a risk factor in integrity management. Establishing MAOP through reliance on historical pipeline design, construction, inspection, testing, and other records requires that such records be traceable, verifiable, and complete. Locating such records and, in the absence of any such records, verifying maximum pressures through physical testing (including hydrotesting) or modifying or replacing facilities to meet the demands of such pressures, could significantly increase our costs. Failure to locate such records or verify maximum pressures could result in reductions of allowable operating pressures, which would reduce available capacity on our pipelines. PHMSA’s second final rule, published in October 2019, applicable to hazardous liquid transmission and gathering pipelines, significantly extended and expanded the reach of certain integrity management requirements, use of in-line inspection tools by 2039 (unless the pipeline cannot be modified to permit such use), increased annual, accident, and safety-related conditional reporting requirements, and expanded use of leak detection systems beyond HCAs. The integrity-related requirements and other provisions of the 2011 Pipeline Safety Act, the 2016 Pipeline Safety Act, and the PIPES Act of 2020, as well as any implementation of PHMSA rules thereunder, could require us to pursue additional capital projects or conduct integrity or maintenance programs on an accelerated basis and incur increased operating costs that could have a material adverse effect on our results of operations and financial condition.

In another example of how future legal requirements could result in increased compliance costs, notwithstanding the applicability of the federal OSHA’s Process Safety Management (“PSM”) regulations and the EPA’s Risk Management Planning (“RMP”) requirements at regulated facilities, PHMSA and one or more state regulators, including the TRRC, have in recent years, expanded the scope of their regulatory inspections to include certain in-plant equipment and pipelines found within NGL fractionation facilities and associated storage facilities, in order to assess compliance of such equipment and pipelines with hazardous liquid pipeline safety requirements. To the extent that these actions are pursued by PHMSA, midstream operators of NGL fractionation facilities and associated storage facilities subject to such inspection may be required to make operational changes or modifications at their facilities to meet standards beyond current PSM and RMP requirements, which changes or modifications may result in additional capital costs, possible operational delays and increased costs of operation that, in some instances, may be significant.

Environmental Matters

General. Our operation of processing plants, pipelines and associated facilities, including compression, in connection with the gathering, processing, storage and transmission of natural gas and the storage and transportation of NGLs, crude oil and refined products is subject to stringent U.S. federal, tribal, state and local laws and regulations, including those governing, among other things, air emissions, wastewater discharges, the use, management and disposal of hazardous and nonhazardous materials and wastes, and the cleanup of contamination. Similar or more stringent laws also exist in Canada. Noncompliance with such laws and regulations, or incidents resulting in environmental releases, could cause us to incur substantial costs, penalties, fines and criminal sanctions, third-party claims for personal injury or property damage, capital expenditures to retrofit or upgrade our facilities and programs, or curtailment or cancellation of permits on operations. As with the industry generally, compliance with existing and anticipated environmental laws and regulations increases our overall cost of doing business, including our cost of planning, permitting, constructing and operating our plants, pipelines and other facilities. As a result of these laws and regulations, our construction and operation costs include capital, operating and maintenance cost items necessary to maintain or upgrade our equipment and facilities.

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We have implemented procedures designed to ensure that governmental environmental approvals for both existing operations and those under construction are updated as circumstances require. Historically, our environmental compliance costs have not had a material adverse effect on our business, results of operations or financial condition; however, there can be no assurance that such costs will not be material in the future. For example, we cannot be certain that identification of presently unidentified conditions, more rigorous enforcement by regulatory agencies, enactment of more stringent environmental laws and regulations or unanticipated events will not arise in the future and give rise to environmental liabilities that could have a material adverse effect on our business, financial condition or results of operations.

Uncertainty about the future course of regulation continues to exist following the change in U.S. presidential administrations in January 2021. Upon taking office, the Biden Administration issued an executive order directing all federal agencies to review and take action to address any federal regulations promulgated during the prior administration that may be inconsistent with the current administration’s policies. As a result, several regulatory developments have occurred, but it remains unclear the degree to which this will continue. The executive order also established an Interagency Working Group on the Social Cost of Greenhouse Gases (“Working Group”), which is called on to, among other things, develop methodologies for calculating the “social cost of carbon,” “social cost of nitrous oxide” and “social cost of methane.” During 2021, the Working Group published interim estimates of the social costs of carbon, methane, and nitrous oxide and sought public comment on these estimates. The Working Group has not yet published its final recommendations. Further regulation of air emissions, as well as uncertainty regarding the future course of regulation, could eventually reduce the demand for oil and natural gas and, in turn, have a material adverse effect on our business, financial condition or results of operations.

Hazardous Substances and Waste Materials. To a large extent, the environmental laws and regulations affecting our operations relate to the release of hazardous substances and waste materials into soils, groundwater and surface water and include measures to prevent, minimize or remediate contamination of the environment. These laws and regulations generally regulate the generation, storage, treatment, transportation and disposal of hazardous substances and waste materials and may require investigatory and remedial actions at sites where such material has been released or disposed. For example, the Comprehensive Environmental Response, Compensation and Liability Act, as amended, (“CERCLA”), also known as the “Superfund” law, and comparable state laws, impose liability without regard to fault or the legality of the original conduct on certain classes of persons that contributed to a release of a “hazardous substance” into the environment. These persons include the owner and operator of the site where a release occurred and companies that disposed or arranged for the disposal of the hazardous substance that has been released into the environment. Under CERCLA, these persons may be subject to strict, joint and several liability, without regard to fault, for, among other things, the costs of investigating and remediating the hazardous substances that have been released into the environment, for damages to natural resources and for the costs of certain health studies. CERCLA and comparable state law also authorize the federal EPA, its state counterparts, and, in some instances, third parties to take actions in response to threats to the public health or the environment and to seek to recover from the responsible classes of persons the costs they incur. It is not uncommon for neighboring landowners and other third parties to file claims for personal injury and property damage allegedly caused by hazardous substances or other pollutants released into the environment. Although “petroleum” as well as natural gas and NGLs are excluded from CERCLA’s definition of a “hazardous substance,” in the course of our ordinary operations we generate wastes that may fall within that definition or that may be subject to other waste disposal laws and regulations. We may be responsible under CERCLA or state laws for all or part of the costs required to clean up sites at which such substances or wastes have been disposed.

We also generate both hazardous and nonhazardous wastes that are subject to requirements of the federal Resource Conservation and Recovery Act, as amended, (“RCRA”) and comparable state statutes. We are not currently required to comply with a substantial portion of the RCRA hazardous waste requirements at many of our facilities because the minimal quantities of hazardous wastes generated there make us subject to less stringent non-hazardous management standards. From time to time, the EPA has considered or third parties have petitioned the agency on the adoption of stricter handling, storage and disposal standards for nonhazardous wastes, including certain wastes associated with the exploration, development and production of crude oil and natural gas. For example, in 2016, the EPA entered into an agreement with several environmental groups to analyze certain Subtitle D criteria regulations pertaining to oil and gas wastes and, if necessary, revise them. In response to the decree, in April 2019, the EPA signed a determination that revision of the regulations is not necessary at this time. It is possible that some wastes generated by us that are currently classified as nonhazardous may in the future be designated as “hazardous wastes,” resulting in the wastes being subject to more rigorous and costly disposal requirements, or that the full complement of RCRA standards could be applied to facilities that generate lesser amounts of hazardous waste. Changes such as these examples in applicable regulations may result in a material increase in our capital expenditures or plant operating and maintenance expense and, in the case of our oil and natural gas exploration and production customers, could result in increased operating costs for those customers and a corresponding decrease in demand for our processing, transportation and storage services.

We currently own or lease sites that have been used over the years by prior owners and lessees and by us for various activities related to gathering, processing, storage and transmission of natural gas, NGLs, crude oil and refined products. Waste disposal practices within the oil and gas industry have improved over the years with the passage and implementation of various

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environmental laws and regulations. Nevertheless, some hydrocarbons and wastes have been disposed of or otherwise released on or under various sites during the operating history of those facilities that are now owned or leased by us. Notwithstanding the possibility that these releases may have occurred during the ownership or operation of these assets by others, these sites may be subject to CERCLA, RCRA and comparable state laws. Under these laws, we could be required to remove or remediate previously disposed wastes (including wastes disposed of or released by prior owners or operators) or contamination (including soil and groundwater contamination) or to prevent the migration of contamination.

As of December 31, 2023 and 2022, accruals of $277 million and $282 million, respectively, were recorded in our consolidated balance sheets as accrued and other current liabilities and other non-current liabilities for estimated environmental liabilities.

The Partnership is subject to extensive and frequently changing federal, tribal, state and local laws and regulations, including those relating to the discharge of materials into the environment or that otherwise relate to the protection of the environment, waste management and the characteristics and composition of fuels. These laws and regulations require environmental assessment and remediation efforts at many of ETC Sunoco’s facilities and at formerly owned or third-party sites. Accruals for these environmental remediation activities amounted to $213 million and $219 million at December 31, 2023 and 2022, respectively, which is included in the total accruals above. These legacy sites that are subject to environmental assessments include formerly owned terminals and other logistics assets, retail sites that are no longer operated by ETC Sunoco, closed and/or sold refineries and other formerly owned sites. We have established a wholly owned captive insurance company for these legacy sites that are no longer operating. The premiums paid to the captive insurance company include estimates for environmental claims that have been incurred but not reported, based on an actuarially determined fully developed claims expense estimate. In such cases, we accrue losses attributable to unasserted claims based on the discounted estimates that are used to develop the premiums paid to the captive insurance company. As of December 31, 2023, the captive insurance company held $140 million of cash and investments.

The Partnership’s accrual for environmental remediation activities reflects anticipated work at identified sites where an assessment has indicated that cleanup costs are probable and reasonably estimable. The accrual for known claims is undiscounted and is based on currently available information, estimated timing of remedial actions and related inflation assumptions, existing technology and presently enacted laws and regulations. It is often extremely difficult to develop reasonable estimates of future site remediation costs due to changing regulations, changing technologies and their associated costs, and changes in the economic environment. Engineering studies, historical experience and other factors are used to identify and evaluate remediation alternatives and their related costs in determining the estimated accruals for environmental remediation activities.

Under various environmental laws, including the RCRA, the Partnership has initiated corrective remedial action at certain of its facilities, formerly owned facilities and at certain third-party sites. At the Partnership’s major manufacturing facilities, we have typically assumed continued industrial use and a containment/remediation strategy focused on eliminating unacceptable risks to human health or the environment. The remediation accruals for these sites reflect that strategy. Accruals include amounts designed to prevent or mitigate off-site migration and to contain the impact on the facility property, as well as to address known, discrete areas requiring remediation within the plants. Remedial activities include, for example, closure of RCRA waste management units, recovery of hydrocarbons, handling of impacted soil, mitigation of surface water impacts and prevention or mitigation of off-site migration. A change in this approach as a result of changing the intended use of a property or a sale to a third party could result in a comparatively higher cost remediation strategy in the future.

In general, a remediation site or issue is typically evaluated on an individual basis based upon information available for the site or issue and no pooling or statistical analysis is used to evaluate an aggregate risk for a group of similar items (for example, service station sites) in determining the amount of probable loss accrual to be recorded. The estimates of environmental remediation costs also frequently involve evaluation of a range of estimates. In many cases, it is difficult to determine that one point in the range of loss estimates is more likely than any other. In these situations, existing accounting guidance allows us the minimum amount of the range to accrue. Accordingly, the low end of the range often represents the amount of loss which has been recorded. The Partnership’s consolidated balance sheet reflected $277 million in environmental accruals as of December 31, 2023.

In summary, total future costs for environmental remediation activities will depend upon, among other things, the identification of any additional sites, the determination of the extent of the contamination at each site, the timing and nature of required remedial actions, the nature of operations at each site, the technology available and needed to meet the various existing legal requirements, the nature and terms of cost-sharing arrangements with other potentially responsible parties, the availability of insurance coverage, the nature and extent of future environmental laws and regulations, inflation rates, terms of consent agreements or remediation permits with regulatory agencies and the determination of the Partnership’s liability at the sites, if any, in light of the number, participation level and financial viability of the other parties. The recognition of additional losses, if and when they were to occur, would likely extend over many years, but management can provide no assurance that it would be

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over many years. If changes in environmental laws or regulations occur or the assumptions used to estimate losses at multiple sites are adjusted, such changes could materially and adversely impact multiple facilities, formerly owned facilities and third-party sites at the same time. As a result, from time to time, significant charges against income for environmental remediation may occur. And while management does not believe that any such charges would have a material adverse impact on the Partnership’s consolidated financial position, it can provide no assurance.

Transwestern conducts soil and groundwater remediation at a number of its facilities. Some of the cleanup activities include remediation of several compressor sites on the Transwestern system for contamination by PCBs, and the costs of this work are not eligible for recovery in rates. The total accrued future estimated cost of remediation activities expected to continue through 2025 is $3 million, which is included in the total environmental accruals mentioned above. Transwestern received FERC approval for rate recovery of projected soil and groundwater remediation costs not related to PCBs effective April 1, 2007. Transwestern, as part of ongoing arrangements with customers, continues to incur costs associated with containing and removing potential PCB contamination. Future costs cannot be reasonably estimated because remediation activities are undertaken as potential claims are made by customers and former customers. Such future costs are not expected to have a material impact on our financial position, results of operations or cash flows, but management can provide no assurance.

Air Emissions. Our operations are subject to the federal Clean Air Act, as amended, and comparable state laws and regulations. These laws and regulations regulate emissions of air pollutants from various industrial sources, including our processing plants, and also impose various monitoring and reporting requirements. Such laws and regulations may require that we obtain pre-approval for the construction or modification of certain projects or facilities, such as our processing plants and compression facilities, expected to produce air emissions or to result in the increase of existing air emissions, that we obtain and strictly comply with air permits containing various emissions and operational limitations, or that we utilize specific emission control technologies to limit emissions. We will incur capital expenditures in the future for air pollution control equipment in connection with obtaining and maintaining operating permits and approvals for air emissions. In addition, our processing plants, pipelines and compression facilities are subject to increasingly stringent regulations, including regulations that require the installation of control technology or the implementation of work practices to control hazardous air pollutants. Moreover, the Clean Air Act requires an operating permit for major sources of emissions and this requirement applies to some of our facilities. Historically, our costs for compliance with existing Clean Air Act and comparable state law requirements have not had a material adverse effect on our results of operations; however, there can be no assurance that such costs will not be material in the future. The EPA and state agencies are often considering, proposing or finalizing new regulations that could impact our existing operations and the costs and timing of new infrastructure development. For example, in October 2015, the EPA published a final rule under the Clean Air Act, lowering the National Ambient Air Quality Standard (“NAAQS”) for ground-level ozone to 70 parts per billion for the 8-hour primary and secondary ozone standards. The EPA completed attainment/non-attainment designations in 2018, and states with moderate or high non-attainment areas must submit state implementation plans to the EPA by October 2021. By law, the EPA must review each NAAQS every five years. In December 2020, the EPA announced that it was retaining without revision the 2015 NAAQS for ozone. However, the Biden Administration has announced plans to formally review this decision and consider instituting a more stringent standard. Reclassification of areas or imposition of more stringent standards may make it more difficult to construct new or modified sources of air pollution in newly designated non-attainment areas. Also, states are expected to implement more stringent requirements as a result of this new final rule, which could apply to our customers’ operations. Compliance with this or other new regulations could, among other things, require installation of new emission controls on some of our equipment, result in longer permitting timelines, and significantly increase our capital expenditures and operating costs, which could adversely impact our business.

Clean Water Act. The Federal Water Pollution Control Act of 1972, as amended, (“Clean Water Act”) and comparable state laws impose restrictions and strict controls regarding the discharge of pollutants, including hydrocarbon-bearing wastes, into state waters and waters of the United States. Pursuant to the Clean Water Act and similar state laws, a National Pollutant Discharge Elimination System, or state permit, or both, must be obtained to discharge pollutants into federal and state waters. In addition, the Clean Water Act and comparable state laws require that individual permits or coverage under general permits be obtained by subject facilities for discharges of storm water runoff. The Clean Water Act also prohibits the discharge of dredge and fill material in regulated waters, including wetlands, unless authorized by permit. In June 2015, the EPA and the United States Corps of Engineers (“USACE”) published a final rule attempting to clarify the federal jurisdictional reach over “waters of the United States” (“WOTUS”), but legal challenges to this rule followed. In January 2023,

the EPA and the USACE published a final rule that would restore water protections that were in place prior to 2015. However, the January 2023 rule was challenged and is currently enjoined in 27 states. Separately, in May 2023, the U.S. Supreme Court released its opinion in Sackett v. EPA, which used the “continuous surface connection” test to determine whether wetlands qualify as WOTUS. The Sackett decision invalidated certain parts of the January 2023 rule and significantly narrowed its scope, resulting in a revised rule being issued in September 2023; however, the September 2023 rule did not define the term “continuous surface connection.” Due to the injunction, implementation of the rule currently varies by state, and it remains unclear how broadly the agencies will interpret the term “continuous surface connection.” As a result of these developments,

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the scope of jurisdiction under the Clean Water Act is uncertain at this time, but to the extent any rule expands the scope of the Clean Water Act’s jurisdiction, our operations as well as our exploration and production customers’ drilling programs could incur increased costs and delays with respect to obtaining permits for dredge and fill activities in wetland areas.

Additionally, for over 35 years, the USACE has authorized construction, maintenance, and repair of pipelines under a streamlined Nationwide Permit (“NWP”) program. From time to time, environmental groups have challenged the NWP program, and, in April 2020, the U.S. District Court for the District of Montana determined that NWP 12 failed to comply with consultation requirements under the federal Endangered Species Act. The district court vacated NWP 12 and enjoined the issuance of new authorizations for oil and gas pipeline projects under the permit. In January 2021, the EPA and USACE issued a final rule reissuing and restricting NWP 12 to oil and gas pipelines and creating a new nationwide permit to authorize certain dredge and fill activities associated with utility lines conveying other substances such as brine, potable water, wastewater, and other substances excluding oil, natural gas, products derived from oil or natural gas, and electricity. The Biden Administration was asked to examine the final rule. Additionally, an October 2021 decision by the District Court for the Northern District of California resulted in the vacatur of a 2020 rule revising the Clean Water Act Section 401 certification process, following which, in November 2021, USACE announced that it has temporarily suspended finalization of certain permitting decisions, including under NWP 12, that rely on a Section 401 certification or waiver under the 2020 rule. This vacatur was subsequently stayed by the U.S. Supreme Court in April 2022, and the EPA published a final rule to update and replace the relevant regulations in September 2023. We could face significant delays and financial costs if we must obtain individual permit coverage from USACE for our projects as a result of any future actions.

Spills. Our operations can result in the discharge of regulated substances, including NGLs, crude oil or other products. The Clean Water Act, as amended by the federal Oil Pollution Act of 1990, as amended, (“OPA”), and comparable state laws impose restrictions and strict controls regarding the discharge of regulated substances into state waters or waters of the United States. The Clean Water Act and comparable state laws can impose substantial administrative, civil and criminal penalties for non-compliance including spills and other non-authorized discharges. The OPA subjects owners of covered facilities to strict joint and potentially unlimited liability for removal costs and other consequences of a release of oil, where the release is into navigable waters, along shorelines or in the exclusive economic zone of the United States. Spill prevention control and countermeasure requirements of the Clean Water Act and some state laws require that containment dikes and similar structures be installed to help prevent the impact on navigable waters in the event of a release of oil. PHMSA, the EPA, or various state regulatory agencies, has approved our oil spill emergency response plans that are to be used in the event of a spill incident.

In addition, some states maintain groundwater protection programs that require permits for discharges or operations that may impact groundwater conditions. Our management believes that compliance with existing permits and compliance with foreseeable new permit requirements will not have a material adverse effect on our results of operations, financial position or expected cash flows.

Endangered Species. The Endangered Species Act, as amended, restricts activities that may affect endangered or threatened species or their habitat. Similar protections are offered to migratory birds under the Migratory Bird Treaty Act. We may operate in areas that are currently designated as a habitat for endangered or threatened species or where the discovery of previously unidentified endangered species, or the designation of additional species as endangered or threatened may occur in which event such one or more developments could cause us to incur additional costs, to develop habitat conservation plans, to become subject to expansion or operating restrictions, or bans in the affected areas. Moreover, such designation of previously unprotected species as threatened or endangered in areas where our oil and natural gas exploration and production customers operate could cause our customers to incur increased costs arising from species protection measures and could result in delays or limitations in our customers’ performance of operations, which could reduce demand for our services.

Climate Change. Climate change continues to attract considerable public, governmental and scientific attention. As a result, numerous proposals have been made and are likely to continue to be made at the international, national, regional and state levels of government to monitor and limit emissions of greenhouse gases (“GHGs”). These efforts have included consideration of cap-and-trade programs, carbon taxes and GHG reporting and tracking programs, and regulations that directly limit GHG emissions from certain sources. In the United States, no comprehensive climate change legislation has been implemented at the federal level to date. However, Canada has implemented a federal carbon pricing regime, and, in the United States, President Biden has announced that he intends to pursue substantial reductions in GHG emissions, particularly from the oil and gas sector. For example, on January 27, 2021, President Biden signed an executive order that commits to substantial action on climate change, calling for, among other things, the increased use of zero-emissions vehicles by the federal government, the elimination of subsidies provided to the fossil fuel industry, an increase in the production of offshore wind energy, and an increased emphasis on climate-related risks across government agencies and economic sectors. On January 26, 2024, President Biden announced a temporary pause on pending decisions on new exports of LNG to countries that the United States does not have free trade agreements with, pending DOE review of the underlying analyses for authorizations. Additionally, the EPA has adopted rules under authority of the Clean Air Act that, among other things, establish Potential for Significant Deterioration

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(“PSD”) construction and Title V operating permit reviews for GHG emissions from certain large stationary sources that are also potential major sources of certain principal, or criteria, pollutant emissions, which reviews could require securing PSD permits at covered facilities emitting GHGs and meeting “best available control technology” standards for those GHG emissions. In addition, the EPA has adopted rules requiring the monitoring and annual reporting of GHG emissions from certain petroleum and natural gas system sources in the United States, including, among others, onshore processing, transmission, storage and distribution facilities. In October 2015, the EPA amended and expanded the GHG reporting requirements to all segments of the oil and natural gas industry, including gathering and boosting facilities and blowdowns of natural gas transmission pipelines.

Federal agencies also have begun directly regulating GHG emissions, such as methane, from oil and natural gas operations. In June 2016, the EPA published New Source Performance Standards (“NSPS”), known as Subpart OOOOa, that require certain new, modified or reconstructed facilities in the oil and natural gas sector to reduce these methane gas and volatile organic compound (“VOC”) emissions. These Subpart OOOOa standards expand previously issued NSPS published by the EPA in 2012 and known as Subpart OOOO, by using certain equipment-specific emissions control practices, requiring additional controls for pneumatic controllers and pumps as well as compressors, and imposing leak detection and repair requirements for natural gas compressor and booster stations. In September 2020, the EPA removed natural gas transmission and storage operations from this sector and rescinded the methane-specific requirements of the rule for production and processing facilities. However, Congress passed, and President Biden signed into law, a revocation of the 2020 rulemaking, effectively reinstating the 2016 standards. Additionally, in December 2023, the EPA issued a final rule that established OOOOb new source and OOOOc first-time existing source standards of performance for GHG and VOC emissions for the crude oil and natural gas well sites, natural gas gathering and boosting compressor stations, natural gas processing plants, and transmission and storage facilities. Owners or operators of affected emission units or processes will have to comply with specific standards of performance that include leak detection using optical gas imaging and subsequent repair requirements, reduction of emissions by 95% through capture and control systems, zero-emission requirements, operations and maintenance requirements, and so-called “green well” completion requirements. The December 2023 rule also establishes a “super-emitter” response program that would allow third parties to make reports to the EPA of large methane emission events, triggering certain investigation and repair requirements. Fines and penalties for violations of these rules could be substantial. GHG emission standards, including methane emissions imposed on the oil and gas sector, could result in increased costs to our operations as well as result in delays or curtailment in such operations, which costs, delays or curtailment could adversely affect our business. Several states have also adopted, or are considering adopting, regulations related to GHG emissions, some of which are more stringent than those implemented by the federal government.

At the international level, in December 2015, the United States joined the international community at the 21st Conference of the Parties of the United Nations Framework Convention on Climate Change in Paris, France in signing the “Paris Agreement,” a treaty that requires member countries to submit individually-determined, non-binding emission reduction goals every five years beginning in 2020. Although the United States withdrew from the Paris Agreement under the Trump administration, President Biden recommitted the United States in February 2021, and, in April 2021, announced a new, more rigorous nationally determined emissions reduction level of 50-52% reduction from 2005 levels in economy-wide net GHG emissions by 2030. The international community gathered again in Glasgow in November 2021 at the 26th Conference of the Parties (“COP26”) during which multiple announcements were made, including a call for parties to eliminate fossil fuel subsidies, amongst other measures. Relatedly, the United States and European Union jointly announced at COP26 the launch of the Global Methane Pledge, an initiative committing to a collective goal of reducing global methane emissions by at least 30% from 2020 levels by 2030, including “all feasible reductions” in the energy sector. In December 2023, at the 28th Conference of the Parties (“COP28”), the parties signed onto an agreement to transition away from fossil fuels in energy systems and increase renewable energy capacity, although no timeline for doing so was set.

President Biden’s January 2021 climate change executive order directed the Secretary of the Interior to pause new oil and natural gas leasing on public lands or in offshore waters pending completion of a comprehensive review of the federal permitting and leasing practices, consider whether to adjust royalties associated with coal, oil, and gas resources extracted from public lands and offshore waters, or take other appropriate action, to account for corresponding climate costs. The executive order also directed the federal government to identify “fossil fuel subsidies” to take steps to ensure that, to the extent consistent with applicable law, federal funding is not directly subsidizing fossil fuels. As noted above, a separate executive order issued in January 2021 established a Working Group that is called on to, among other things, develop methodologies for calculating the “social cost of carbon,” “social cost of nitrous oxide” and “social cost of methane.” During 2021, the Working Group published interim estimates of the social costs of carbon, methane, and nitrous oxide and sought public comment on these estimates. The Working Group has not yet published its final recommendations. However, in September 2023, President Biden issued an executive order directing agencies to consider the Working Group’s social cost of a project’s greenhouse gases when conducting environmental reviews of major federal actions.

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The adoption and implementation of any international, federal or state legislation or regulations that require reporting of GHGs or otherwise restrict emissions of GHGs could result in increased compliance costs or additional operating restrictions, and could have a material adverse effect on our business, financial condition, demand for our services, results of operations, and cash flows. Litigation risks are also increasing, as several oil and gas companies have been sued for allegedly causing climate-related damages due to their production and sale of fossil fuel products or for allegedly being aware of the impacts of climate change for some time but failing to adequately disclose such risks to their investors or customers. Various investors are becoming increasingly concerned about the potential effects of climate change and may elect in the future to shift some or all of their investments into other sectors. Institutional lenders who provide financing for fossil fuel energy companies also have become more attentive to sustainable lending practices that favor “clean” power sources such as wind and solar photovoltaic, making those sources more attractive for investment, and some of them may elect not to provide funding for fossil fuel energy companies. For example, at COP26, the Glasgow Financial Alliance for Net Zero (“GFANZ”) announced that commitments from over 450 firms across 45 countries had resulted in over $130 trillion in capital committed to net zero goals. The various sub-alliances of GFANZ generally require participants to set short-term, sector-specific targets to transition their financing, investing, and/or underwriting activities to net zero by 2050. Additionally, there is the possibility that financial institutions will be required to adopt policies that limit funding for fossil fuel energy companies. In late 2020, the Federal Reserve joined the Network for Greening the Financial System (“NGFS”), a consortium of financial regulators focused on addressing climate-related risks in the financial sector. More recently, in November 2021, the Federal Reserve issued a statement in support of the efforts of the NGFS to identify key issues and potential solutions for the climate-related challenges most relevant to central banks and supervisory authorities. Such efforts could make it more difficult to secure funding for exploration and production or midstream activities and could also increase the cost of obtaining financings and/or negatively affect terms of financings.

Finally, climatic events in the areas in which we operate, whether from climate change or otherwise, can cause disruptions and, in some cases, delays in, or suspension of, our services. These events, including but not limited to drought, winter storms, wildfire, extreme temperatures or flooding, may become more intense or more frequent as a result of climate change and could have an adverse effect on our continued operations. If such effects were to occur, our operations could be adversely affected in various ways, including damages to our facilities or our customers’ facilities from powerful winds or rising waters, or increased costs for, or difficulty obtaining, insurance. Another possible consequence of climate change is increased volatility in seasonal temperatures. The market for our NGLs and natural gas is generally improved by periods of colder weather and impaired by periods of warmer weather, so any changes in climate could affect the market for the fuels that we transport, and thus demand for our services. Despite the use of the term “global warming” as a shorthand for climate change, some studies indicate that climate change could cause some areas to experience temperatures substantially colder than their historical averages. As a result, it is difficult to predict how the market for our products could be affected by increased temperature volatility, although if there is an overall trend of warmer temperatures, it would be expected to have an adverse effect on our business.

We recognize the need to decrease emissions and integrate alternative energy sources into our operations, and we actively pursue economically beneficial opportunities to reduce our environmental footprint throughout our operations. Protecting public health and the environment is the primary initiative of our environmental management teams, both in the construction and operation of our assets. These teams have worked to reduce our emissions and minimize our environmental impact. Some examples of our teams’ efforts include:

•in our natural gas compression business, the use of our proprietary dual-drive technology, which offers the ability to switch compression drivers between an electric motor and a natural gas engine, allowed us to reduce our emissions of nitrogen oxide, carbon monoxide, CO2 and VOCs;

•the installation of approximately 12,000 low-emission pneumatic devices throughout our pipeline systems has allowed us to safely and efficiently adjust and control our operations and reduce methane emissions;

•the voluntary installation of thermal oxidizers, which destroy VOCs and convert methane to CO2 (a less carbon-intense GHG), thereby reducing VOC and methane emissions by 98% or more at many of our more than 50 natural gas processing and sweetening plants;

•the implementation of an innovative liquids management process throughout much of our natural gas gathering pipeline system has allowed us to minimize flash emissions and methane emissions;

•the use of optical gas imaging cameras at our more than 2,200 gas gathering and processing facilities as part of our leak detection and repair program allow us to reduce emissions, improve safety, reduce costs, prevent product loss, and maintain equipment integrity;

•the use of in-line inspection tools, or smart pigs, allow us to detect corrosion, cracks or other defects along our pipeline systems thereby protecting the environment and the safety of our communities, employees and landowners; and

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•the use of other methods, including pipeline blowdown direct injection, liquids pipeline system optimization, crude oil truck unloading and direct injection, all of which help to reduce emissions and the release of methane into the atmosphere across our operations.

Powering our assets through renewable energy sources is an established part of our operations where it is economically viable to do so. We have reduced our carbon footprint by using a diversified mix of energy sources, including solar and wind power to generate electrical power. The percentage of electrical energy we purchase on a given day originating from solar and wind sources is approaching 20%. Since 2019, we have entered into dedicated solar contracts to purchase 148 megawatts of solar power to support the operations of our assets. We also operate approximately 18,000 solar panel-powered metering stations across the United States.

In February 2021, we announced the formation of our alternative energy group. This group is tasked with increasing our efforts to support renewable energy projects such as solar and/or wind farms, either as a power purchaser, or in a partnership with third party developers, when they make economic sense. This group is also focused on developing alternative energy projects aimed at reducing the environmental footprint throughout our operations, including a variety of projects related to carbon capture, utilization and sequestration of CO2.

While our environmental management initiatives have not materially impacted our capital expenditures or results of operations, we recognize that the non-financial impacts of these initiatives are of interest to our investors and other stakeholders. We voluntarily publish additional information on those initiatives; however, much of that separately published information is excluded from this annual report on Form 10-K if it is not material in the context of the consolidated Partnership and/or if it is not required by the instructions to Form 10-K. For additional information on our environmental management initiatives, including our efforts to curb GHG emissions and to integrate alternative energy sources, please see our Corporate Responsibility Report available on our website at http://www.energytransfer.com/corporate-responsibility. Information contained on our website is not part of this report.

Employee Health and Safety. We are subject to the requirements of the federal OSHA and comparable state laws that regulate the protection of the health and safety of workers. In addition, the Occupational Safety and Health Administration’s hazard communication standard requires that information be maintained about hazardous materials used or produced in operations and that this information be provided to employees, state and local government authorities and citizens. Historically, our costs for OSHA required activities, including general industry standards, recordkeeping requirements, and monitoring of occupational exposure to regulated substances, have not had a material adverse effect on our results of operations but there is no assurance that such costs will not be material in the future.

Natural Resource Reviews. The National Environmental Policy Act (“NEPA”) provides for an environmental impact assessment process in connection with certain projects that involve federal lands or require approvals by federal agencies. The NEPA process implicates a number of other environmental laws and regulations, including the Endangered Species Act, Migratory Bird Treaty Act, Rivers and Harbors Act, Clean Water Act, Bald and Golden Eagle Protection Act, Fish and Wildlife Coordination Act, Marine Mammal Protection Act and National Historic Preservation Act, often requiring coordination with numerous governmental authorities. The NEPA review process can be lengthy and subjective, resulting in delays in obtaining federal approvals for projects. Our projects that are subject to the NEPA can include pipeline construction and pipeline integrity projects that involve federal lands or require approvals by federal agencies. In July 2020, the Council on Environmental Quality (“CEQ”) issued final revisions to NEPA regulations that seek to conform the scope of direct, indirect, and cumulative impact analyses for proposed projects subject to NEPA with existing case law. However, in October 2021, the CEQ published a proposed rule to restore, in general, NEPA regulations that were in effect before being modified by the 2020 revisions. This rule was finalized in April 2022, and CEQ issued additional proposed revisions to NEPA regulations in July 2023. More stringent environmental impact analyses under or third-party challenges with respect to the sufficiency of any environmental impact statement or assessment prepared pursuant to NEPA could adversely impact such projects in the form of delays or increased compliance and mitigations costs.

Indigenous Protections. Part of our operations cross land that has historically been apportioned to various Native American/First Nations tribes (“Indigenous Peoples”), who may exercise significant jurisdiction and sovereignty over their lands. Indigenous Peoples may also have certain treaty rights and rights to consultation on projects that may affect such lands. Our operations may be impacted to the extent these tribal governments are found to have and choose to act upon such jurisdiction over lands where we operate. For example, in 2020, the Supreme Court ruled in McGirt v. Oklahoma that the Muscogee (Creek) Nation reservation in Eastern Oklahoma has not been disestablished. Although the court’s ruling indicates that it is limited to criminal law, as applied within the Muscogee (Creek) Nation reservation, the ruling may have significant potential implications for civil law, both in the Muscogee (Creek) Nation reservation and other reservations that may similarly be found to not have been disestablished. State courts in Oklahoma have applied the analysis in McGirt in ruling that the Cherokee, Chickasaw, Seminole, and Choctaw reservations likewise had not been disestablished.

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On October 1, 2020, the EPA granted approval to the State of Oklahoma under Section 10211(a) of the Safe, Accountable, Flexible, Efficient Transportation Equity Act of 2005 (the “SAFETE Act”) to administer all of the State’s existing EPA-approved regulatory programs to Indian Country within the state except: Indian allotments to which Indians titles have not been extinguished; lands that are held in trust by the United States on behalf of any Indian or Tribe; lands that are owned in fee by any Tribe where title was acquired through a treaty with the United States to which such tribe is a party and that have never been allotted to any citizen or member of such Tribe. The approval extends the State’s authority for existing EPA-approved regulatory programs to all lands within the State to which the State applied such programs prior to the U.S. Supreme Court’s ruling in McGirt. However, several Tribes expressed dissatisfaction with the consultation process performed in relation to this approval, and, in December 2021, the EPA proposed to withdraw and reconsider the October 2020 decision. Additionally, the SAFETE Act provides that any Tribe in Oklahoma may seek “Treatment as a State” by the EPA, and it is possible that one or more of the Tribes in Oklahoma may seek such an approval from the EPA. At this time, we cannot predict how these jurisdictional issues may ultimately be resolved.

Human Capital Management

As of December 31, 2023, Energy Transfer and its consolidated subsidiaries employed an aggregate of 13,786 employees, 1,422 of which are represented by labor unions. We believe that our relations with our employees are good.

Our employees are our greatest asset, and we seek to attract and retain top talent by fostering a culture that is guided by our core values and that respects all people and cultures, promotes safety, and focuses on the protection of public health and being a good steward of the environment.

Ethics and Values. We are committed to operating our business in a manner that honors and respects all people and the communities in which we do business. We recognize that people are our most valued resource, and we are committed to hiring and investing in employees who strive for excellence and live by our core values: working safely, corporate stewardship, ethics and integrity, entrepreneurial mindset, our people, excellence and results, and social responsibility. We value our employees for what they bring to our organization by embracing those from all backgrounds, cultures, and experiences. We also believe that the keys to our successes have been the cultivation of an atmosphere of inclusion and respect within our family of partnerships and sustaining organizations that promote diversity and provide support across all communities in which we do business. These are the principles upon which we build and strengthen relationships among our people, our stakeholders, and those within the communities in which we do business.

Respecting All People and All Cultures. We believe strict adherence to our Code of Business Conduct and Ethics is not only right, but is in the best interest of the Partnership, its Unitholders, its customers, and the industry in general. In all applicable instances, the policies of the Partnership require that the business of the Partnership be conducted in a lawful and ethical manner. Every employee acting on behalf of the Partnership must adhere to these policies. Please refer to “Item 10. Directors, Executive Officers and Corporate Governance” for additional information on our Code of Business Conduct and Ethics.

Commitment to Public Health, Safety and the Environment. Protecting public health and being a good steward of the environment is an important initiative for our environmental management teams, both in the construction and operation of our assets. These teams consist of environmental engineers, scientists and geologists who seek to responsibly and efficiently reduce emissions associated with our operations, be a good steward of the land, water and air in the areas where we operate, and remain in compliance with all applicable regulations. Our environmental, health and safety department’s more than 200 environmental and safety professionals provide environmental and safety training to our field representatives. This group also assists others throughout the organization by identifying continuous training for personnel, including training that is required by applicable laws, regulations, standards, and permit conditions. It is our policy to communicate our safety standards and expectations to all employees and contractors with the expectation that each individual has the obligation to make safety the highest priority. Our safety culture aims to promote an open environment for discovering, resolving, and sharing safety challenges. We strive to eliminate unwanted safety events through a comprehensive process that promotes leadership, employee involvement, communication, personal responsibility to comply with standard operating procedures and regulatory requirements, effective risk reduction processes, maintaining clean facilities, contractor safety, and personal wellness. Energy Transfer’s goal is operational excellence, which means an injury- and incident-free workplace. To achieve this, we strive to hire and maintain the most qualified and dedicated workforce in the industry and make safety and safety accountability part of our daily operations. We believe that the OSHA Total Reportable Incident Rate (“TRIR”) is a key performance indicator that we use to evaluate our safety programs. TRIR can provide companies with a look at their safety record performance for the year by calculating the number of recordable injury and illness incidents per 200,000 hours worked. Our TRIR was 0.77 for 2023, out of approximately 18.9 million hours worked during the year, compared to a TRIR of 1.01 for 2022. We believe the Partnership’s low TRIR speaks to the Partnership’s investment in and focus on safety and environmental compliance as well as the reliability of our assets.

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For additional information on our Human Capital Management initiatives, please see our Corporate Responsibility Report available on our website at http://www.energytransfer.com/corporate-responsibility. Please note that the preceding internet address is for information purposes only and is not intended to be a hyperlink. Accordingly, no information found and/or provided at such internet address or contained on our website in general is intended or deemed to be incorporated by reference in this report.

SEC Reporting

We file or furnish annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and any related amendments and supplements thereto with the SEC. From time to time, we may also file registration statements and related documents pertaining to equity or debt offerings. The SEC maintains an internet website at http://www.sec.gov that contains reports, proxy and information statements and other information regarding issuers that file electronically with the SEC.

We provide electronic access, free of charge, to our periodic and current reports, and amendments to these reports, on our internet website located at http://www.energytransfer.com. These reports are available on our website as soon as reasonably practicable after we electronically file such materials with the SEC. Information contained on our website is not part of this report.

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ITEM 1A. RISK FACTORS

The following is a summary of important risk factors that are specific to our business, industry and partnership structure that could materially impact our future performance and results of operations. These risk factors should be reviewed when considering an investment in our securities. These are not all the risks we face. Other factors that we face in the ordinary course of business that are currently considered immaterial or that are currently unknown to us may impact our future operations.

Risk Factor Summary

Risks Related to the Partnership’s Business

Results of Operations and Financial Condition. Our results of operations and financial condition could be impacted by many risks that are beyond our control, including the following:

•fluctuations in the demand for and price of natural gas, NGLs, crude oil and refined products;

•an impairment of goodwill and intangible assets;

•an interruption of supply of crude oil to our facilities;

•the loss of any key producers or customers;

•failure to retain or replace existing customers or volumes due to declining demand or increased competition;

•unfavorable changes in natural gas price spreads between two or more physical locations;

•production declines over time, which we may not be able to replace with production from newly drilled wells;

•competition for water resources or limitations on water usage for hydraulic fracturing;

•our customers’ ability to use our pipelines and third-party pipelines over which we have no control;

•the inability to access or continue to access lands owned by third parties;

•the overall forward market for crude oil and other products we store;

•a natural disaster, catastrophe, terrorist attack or other similar event;

•extreme weather events that may be more severe or frequent than historically experienced and that may be attributable to changes in climate due to the adverse effects of an industrialized economy;

•union disputes and strikes or work stoppages by unionized employees;

•cybersecurity breaches and other disruptions or failures of our information systems;

•failure to establish or maintain adequate corporate governance;

•product liability claims and litigation, or increased insurance costs including as a result of increased risks due to the potential adverse effects of changes in climate;

•actions taken by certain of our joint ventures that we do not control;

•increasing levels of congestion in the Houston Ship Channel;

•the costs of providing pension and other postretirement health care benefits and related funding requirements;

•mergers among customers and competitors;

•fraudulent activity or misuse of proprietary data involving our outsourcing partners; and

•losses resulting from the use of derivative financial instruments.

Indebtedness. Our business, results of operations, cash flows and financial condition, as well as our ability to make distributions, could be impacted by the following:

•our debt level and debt agreements, or increases in interest rates;

•the credit and risk profile of our general partner and its owners; and

•a downgrade of our credit ratings.

Capital Projects and Future Growth. Our business, results of operations, cash flows, financial condition, and future growth could be impacted by the following:

•failure to make acquisitions on economically acceptable terms, or to successfully integrate acquired assets;

•failure to secure debt and equity financing for capital projects on acceptable terms, including as a result of recent increases in cost of capital resulting from changes in monetary policy by the Federal Reserve and/or changes in financial institutions’ policies or practices concerning businesses linked to fossil fuels;

•any increased costs or reduced demand for crude oil and natural gas as a result of the Inflation Reduction Act of 2022 (“IRA 2022”) or otherwise;

•failure to construct new pipelines or to do so efficiently;

•failure to execute our growth strategy due to increased competition within any of our core businesses; and

•failure to attract and retain qualified employees; and

•failure of the liquefaction project to secure long-term contractual arrangements or necessary approvals.

Regulatory Matters. Our business, results of operations, cash flows, financial condition, and future growth could be impacted by the following:

•increased regulation of hydraulic fracturing or produced water disposal;

•legal or regulatory actions related to the Dakota Access Pipeline;

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•laws, regulations and policies governing the rates, terms and conditions of our services;

•failure to recover the full amount of increases in the costs of our pipeline operations;

•imposition of regulation on assets not previously subject to regulation;

•costs and liabilities resulting from performance of pipeline integrity programs and related repairs;

•new or more stringent pipeline safety controls or enforcement of legal requirements;

•costs and liabilities associated with environmental and worker health and safety laws and regulations;

•climate change legislation or regulations restricting emissions of GHGs, limiting oil and gas leases on federal lands, discouraging oil and gas development or otherwise increasing our or our customers’ costs;

•increased attention to environmental, social, and governance (“ESG”) matters and conservation measures;

•regulatory provisions of the Dodd-Frank Act and the rules adopted thereunder;

•deepwater drilling laws and regulations, delays in the processing and approval of drilling permits and exploration, development, oil spill-response and decommissioning plans, and related developments; and

•laws and regulations governing the specifications of products that we store and transport.

Risks Relating to Our Partnership Structure

Cash Distributions to Unitholders. Our cash distributions could be impacted by the following:

•our general partner’s absolute discretion in issuing an unlimited number of limited partner interests or other classes of equity without the consent of our Unitholders;

•cash distributions are not guaranteed and may fluctuate with our performance and other external factors;

•limitations on available cash that are imposed by our distribution policy;

•our general partner’s absolute discretion in determining the level of cash reserves; and

•unitholders’ potential liability to repay distributions.

Our General Partner. Our stakeholders could be impacted by risks related to our general partner, including:

•transfer of control of our general partner to a third party without unitholder consent;

•the rights of the majority owner of our general partner that protect him against dilution; and

•substantial cost reimbursements due to our general partner.

Our Subsidiaries. Risks that are unique to our subsidiaries and/or our relationship to our subsidiaries could reduce our subsidiaries’ cash available for distributions to us, including:

•the potential issuance of additional common units by Sunoco LP or USAC;

•a significant decrease in demand for or the price of motor fuel in the areas Sunoco LP serves;

•disruptions in Sunoco LP’s operations due to dangers inherent in motor fuel transportation;

•seasonal industry trends, which may cause Sunoco LP’s operating costs to fluctuate;

•adverse publicity for Sunoco LP resulting from negative events or developments;

•increased costs to retain necessary land use, which could disrupt Sunoco LP’s operations; and

•federal, state and local laws and regulations that govern the industries in which our subsidiaries operate.

Risks Related to Conflicts of Interest. Our stakeholders could be impacted by conflicts of interest, including:

•our general partner may favor its own interests to the detriment of our Unitholders;

•fiduciary duties owed to Sunoco LP, USAC and their respective unitholders by their general partners; and

•potential conflicts of interest faced by directors and officers in managing our business.

Tax Risks. Our stakeholders could be impacted by tax risks, including:

•our tax treatment depends on our status as a partnership for federal income tax purposes, and not being subject to a material amount of entity-level taxation;

•our cash available for distribution to Unitholders may be substantially reduced if we become subject to entity-level taxation as a result of the IRS treating us as a corporation or legislative, judicial or administrative changes, and may also be reduced by any audit adjustments if imposed directly on the partnership;

•even if Unitholders do not receive any cash distributions from us, Unitholders will be required to pay taxes on their share of our taxable income;

•a Unitholder’s share of our taxable income may be increased as a result of the IRS successfully contesting any of the federal income tax positions we take;

•tax-exempt entities and non-U.S. Unitholders face unique tax issues from owning our units that may result in adverse tax consequences to them; and

•the treatment of Energy Transfer Preferred Units is uncertain and distributions on Energy Transfer Preferred Units (other than Series I Preferred Units) may not be eligible for the 20% deduction for qualified publicly traded partnership income.

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Risk Factor Discussion

The following discussion provides additional information regarding each of our risk factors listed above. In addition, Sunoco LP and USAC file Annual Reports on Form 10-K that include risk factors that can be reviewed for further information.

Risk Relating to the Partnership’s Business

Results of Operations and Financial Condition

Our cash flow depends primarily on the cash distributions we receive from our subsidiaries, as well as our partnership interests in Sunoco LP and USAC, including the IDRs in Sunoco LP and, therefore, our cash flow is dependent upon the ability of our subsidiaries, Sunoco LP and USAC to make distributions in respect of those partnership interests.

We do not have any significant assets other than our interests in our subsidiaries. As a result, our cash flow depends on the performance of our subsidiaries, including Sunoco LP and USAC, and their ability to make cash distributions, which is dependent on the results of operations, cash flows and financial condition of our subsidiaries, including Sunoco LP and USAC.

The amount of cash that our subsidiaries distribute to us each quarter depends upon the amount of cash generated from our subsidiaries’ operations, which will fluctuate from quarter to quarter and will depend upon, among other things:

•the amount of natural gas, NGLs, crude oil and refined products transported through our subsidiaries’ pipelines;

•the level of throughput in processing and treating operations;

•the fees charged and the margins realized by our subsidiaries, including Sunoco LP and USAC, for their services;

•the price of natural gas, NGLs, crude oil and refined products;

•the relationship between natural gas, NGL and crude oil prices;

•the weather in their respective operating areas;

•the level of competition from other midstream, transportation and storage and retail marketing companies and other energy providers;

•the level of their respective operating costs and maintenance and integrity capital expenditures;

•the tax profile on any blocker entities treated as corporations for federal income tax purposes that are owned by any of our subsidiaries;

•prevailing economic conditions; and

•the level and results of their respective derivative activities.

In addition, the actual amount of cash that our subsidiaries, including Sunoco LP and USAC, will have available for distribution will also depend on other factors, such as:

•the level of capital expenditures they make;

•the level of costs related to litigation and regulatory compliance matters;

•the cost of acquisitions, if any;

•the levels of any margin calls that result from changes in commodity prices;

•debt service requirements;

•fluctuations in working capital needs;

•their ability to borrow under their respective revolving credit facilities;

•their ability to access capital markets;

•restrictions on distributions contained in their respective debt agreements; and

•the amount, if any, of cash reserves established by the board of directors and their respective general partners in their discretion for the proper conduct of their respective businesses.

Energy Transfer does not have any control over many of these factors, including the level of cash reserves established by the board of directors. Accordingly, we cannot guarantee that our subsidiaries, including Sunoco LP and USAC, will have sufficient available cash to pay a specific level of cash distributions to their respective partners.

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Furthermore, Unitholders should be aware that the amount of cash that our subsidiaries have available for distribution depends primarily upon cash flow and is not solely a function of profitability, which is affected by non-cash items. As a result, our subsidiaries may declare and/or pay cash distributions during periods when they record net losses.

Income from our midstream, transportation, terminalling and storage operations is exposed to risks due to fluctuations in the demand for and price of natural gas, NGLs, crude oil and refined products that are beyond our control.

The prices for natural gas, NGLs, crude oil and refined products reflect market demand that fluctuates with changes in global and United States economic conditions and other factors, including:

•the level of domestic natural gas, NGL, refined products and oil production;

•the level of natural gas, NGL, refined products and oil imports and exports, including liquefied natural gas;

•actions taken by natural gas and oil producing nations;

•instability or other events affecting natural gas and oil producing nations;

•the impact of weather, geopolitical events such as the armed conflict in Ukraine and political instability in the Middle East, public health crises, and other events of nature on the demand for natural gas, NGLs, refined products and oil;

•the availability of storage, terminal and transportation systems, and refining, processing and treating facilities;

•the price, availability and marketing of competitive fuels;

•supply chain disruptions and inflation;

•the demand for electricity;

•activities by non-governmental organizations to limit certain sources of funding for the energy sector or restrict the exploration, development and production of oil and natural gas and related products;

•rising interest rates and slowing economic growth;

•the cost of capital needed to maintain or increase production levels and to construct and expand facilities;

•the impact of energy conservation and fuel efficiency efforts; and

•the extent of governmental regulations, taxation, fees and duties.

In the past, the prices of natural gas, NGLs, refined products and oil have been extremely volatile, and we expect this volatility to continue.

Any loss of business from existing customers or our inability to attract new customers due to a decline in demand for natural gas, NGLs, refined products or oil could have a material adverse effect on our revenues and results of operations. In addition, significant price fluctuations for natural gas, NGL, refined products and oil commodities could materially affect our profitability.

Our business could be negatively impacted by inflationary pressures which may decrease our operating margins and increase working capital investments required to operate our business.

The U.S. inflation rate steadily rose in 2021 and into 2022 before eventually declining throughout 2023. A sustained increase in inflation may continue to increase our costs for labor, services, and materials, which, in turn, could cause our operating costs and capital expenditures to increase. Further, our producer suppliers and customers face inflationary pressures and resulting impacts, such as the tight labor market, availability of drilling and hydraulic fracturing equipment, and supply chain disruptions, which could increase the cost of production which in turn may limit the level of drilling activity in the regions in which we operate. Our throughput volumes may be impacted if producers are constrained. The rate and scope of these various inflationary factors may increase our operating costs and capital expenditures materially, which may not be readily recoverable in the prices of our services and may have an adverse effect on our results of operations and financial condition.

Additionally, the Federal Reserve and other central banks have implemented policies in an effort to curb inflationary pressure on the costs of goods and services across the U.S., including the significant increases in prevailing interest rates that occurred during 2022 and 2023 as a result of the 525 aggregate basis point increase in the federal funds rate, and the associated macroeconomic impact on slowdown in economic growth could negatively impact our business. While the Federal Reserve indicated in December 2023 that it may reduce benchmark interest rates in 2024, the continuation of rates at the current level could have the effects of raising the cost of capital and depressing economic growth, either of which—or the combination thereof—could hurt the financial and operating results of our business.

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An impairment of goodwill and intangible assets could reduce our earnings.

As of December 31, 2023, our consolidated balance sheet reflected $4.02 billion of goodwill and $6.24 billion of intangible assets. Goodwill is recorded when the purchase price of a business exceeds the fair value of the tangible and separately measurable intangible net assets. Accounting principles generally accepted in the United States require us to test goodwill for impairment on an annual basis or when events or circumstances occur, indicating that goodwill might be impaired. Long-lived assets such as intangible assets with finite useful lives are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. If we determine that any of our goodwill or intangible assets were impaired, we would be required to take an immediate charge to earnings with a correlative effect on partners’ capital and balance sheet leverage as measured by debt to total capitalization.

We depend on certain key producers for our supply of natural gas and the loss of any of these key producers could adversely affect our financial results.

Certain producers who are connected to our systems represent a material source of our supply of natural gas. We are not the only option available to these producers for disposition of the natural gas they produce. To the extent that these and other producers may reduce the volumes of natural gas that they supply us, we would be adversely affected unless we were able to acquire comparable supplies of natural gas from other producers.

Our intrastate transportation and storage and interstate transportation and storage operations depend on key customers to transport natural gas through our pipelines and the pipelines of our joint ventures.

During 2023, two customers accounted for approximately 36% of our intrastate transportation and storage revenues. During 2023, four customers collectively accounted for 30% of our interstate transportation and storage revenues.

Certain of our joint ventures also depend on key customers. Citrus has long-term agreements with its top two customers which accounted for 52% of its 2023 revenue. For the Trans-Pecos and Comanche Trail pipelines, a single customer is the primary shipper.

The failure of the major shippers on our and our joint ventures’ intrastate and interstate transportation and storage pipelines to fulfill their contractual obligations could have a material adverse effect on our cash flow and results of operations if we or our joint ventures were unable to replace these customers under arrangements that provide similar economic benefits as these existing contracts.

We may be unable to retain or replace existing midstream, transportation, terminalling and storage customers or volumes due to declining demand or increased competition in crude oil, refined products, natural gas and NGL markets, which would reduce our revenues and limit our future profitability.

The retention or replacement of existing customers and the volume of services that we provide at rates sufficient to maintain or increase current revenues and cash flows depends on a number of factors beyond our control, including the price of and demand for crude oil, refined products, natural gas and NGLs in the markets we serve and competition from other service providers.

A significant portion of our sales of natural gas are to industrial customers and utilities. As a consequence of the volatility of natural gas prices and increased competition in the industry and other factors, industrial customers, utilities and other gas customers are increasingly reluctant to enter into long-term purchase contracts. Many customers purchase natural gas from more than one supplier and have the ability to change suppliers at any time. Some of these customers also have the ability to switch between gas and alternate fuels in response to relative price fluctuations in the market. Because there are many companies of greatly varying size and financial capacity that compete with us in the marketing of natural gas, we often compete in natural gas sales markets primarily on the basis of price.

We also receive a substantial portion of our revenues by providing natural gas gathering, processing, treating, transportation and storage services. While a substantial portion of our services are sold under long-term contracts for reserved service, we also provide service on an unreserved or short-term basis. Demand for our services may be substantially reduced due to changing market prices. Declining prices may result in lower rates of natural gas production resulting in less use of services, while rising prices may diminish consumer demand and also limit the use of services. In addition, our competitors may attract our customers’ business. If demand declines or competition increases, we may not be able to sustain existing levels of unreserved service or renew or extend long-term contracts as they expire or we may reduce our rates to meet competitive pressures.

Revenue from our NGL transportation systems and refined products storage is also exposed to risks due to fluctuations in demand for transportation and storage service as a result of unfavorable commodity prices, competition from nearby pipelines, and other factors. We receive substantially all of our transportation revenues through dedicated contracts under which the customer agrees to deliver the total output from particular processing plants that are connected only to our transportation

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system. Reduction in demand for natural gas or NGLs due to unfavorable prices or other factors, however, may result lower rates of production under dedicated contracts and lower demand for our services. In addition, our refined products storage revenues are primarily derived from fixed capacity arrangements between us and our customers, a portion of our revenue is derived from fungible storage and throughput arrangements, under which our revenue is more dependent upon demand for storage from our customers.

The volume of crude oil and refined products transported through our crude oil and refined products pipelines and terminal facilities depends on the availability of attractively priced crude oil and refined products in the areas serviced by our assets. A period of sustained price reductions for crude oil or refined products could lead to a decline in drilling activity, production and refining of crude oil or import levels in these areas. A period of sustained increases in the price of crude oil or refined products supplied from or delivered to any of these areas could materially reduce demand for crude oil or refined products in these areas. In either case, the volumes of crude oil or refined products transported in our crude oil and refined products pipelines and terminal facilities could decline.

The loss of existing customers by our midstream, transportation, terminalling and storage facilities or a reduction in the volume of the services our customers purchase from us, or our inability to attract new customers and service volumes would negatively affect our revenues, be detrimental to our growth, and adversely affect our results of operations.

We and our subsidiaries, including Sunoco LP and USAC, are exposed to the credit risk of our customers and derivative counterparties, and an increase in the nonpayment and nonperformance by our customers or derivative counterparties could reduce our ability to make distributions to our Unitholders.

We, Sunoco LP and USAC are subject to risks of loss resulting from nonpayment or nonperformance by our, Sunoco LP’s and USAC’s customers. Commodity price volatility and/or the tightening of credit in the financial markets may make it more difficult for customers to obtain financing and, depending on the degree to which this occurs, there may be a material increase in the nonpayment and nonperformance by our customers. In addition, our risk management activities are subject to the risks that a counterparty may not perform its obligation under the applicable derivative instrument, the terms of the derivative instruments are imperfect, and our risk management policies and procedures are not properly followed. Any material nonpayment or nonperformance by our customers or our derivative counterparties could reduce our ability to make distributions to our Unitholders. Any substantial increase in the nonpayment and nonperformance by our customers could have a material effect on our, Sunoco LP’s and USAC’s results of operations and operating cash flows.

Severe market disruptions could cause some of our counterparties to file for bankruptcy protection, in which case our existing contracts with those counterparties may be rejected by the bankruptcy court. Following the request of one of our FERC-regulated natural gas pipelines, the FERC commenced a proceeding to determine whether the public interest requires abrogation or modification of a firm transportation agreement with one of our shippers. By order dated November 9, 2020, FERC held that the record did not support a finding that the public interest presently required abrogation or modification of the subject firm transportation agreement. The shipper subsequently filed for bankruptcy. Thereafter, on July 19, 2022, the Fifth Circuit Court of Appeals rejected FERC’s jurisdictional basis for its earlier public interest decision, vacated the November 9, 2020 order and a settlement has been reached regarding the agreement in the underlying bankruptcy proceeding. We will attempt to remarket the subject capacity and, depending on the availability of alternatives to our services, any resulting contracts may have terms that are less favorable to us than the former shipper’s contract.

The profitability of certain activities in our natural gas gathering, processing, transportation and storage operations are largely dependent upon natural gas commodity prices, price spreads between two or more physical locations and market demand for natural gas and NGLs.

For a portion of the natural gas gathered on our systems, we purchase natural gas from producers at the wellhead and then gather and deliver the natural gas to pipelines where we typically resell the natural gas under various arrangements, including sales at index prices. Generally, the gross margins we realize under these arrangements decrease in periods of low natural gas prices.

We also enter into percent-of-proceeds arrangements, keep-whole arrangements, and processing fee agreements pursuant to which we agree to gather and process natural gas received from the producers.

Under percent-of-proceeds arrangements, we generally sell the residue gas and NGLs at market prices and remit to the producers an agreed upon percentage of the proceeds based on an index price. In other cases, instead of remitting cash payments to the producer, we deliver an agreed upon percentage of the residue gas and NGL volumes to the producer and sell the volumes we keep to third parties at market prices. Under these arrangements, our revenues and gross margins decline when natural gas prices and NGL prices decrease. Accordingly, a decrease in the price of natural gas or NGLs could have an adverse effect on our revenues and results of operations.

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Under keep-whole arrangements, we generally sell the NGLs produced from our gathering and processing operations at market prices. Because the extraction of the NGLs from the natural gas during processing reduces the Btu content of the natural gas, we must either purchase natural gas at market prices for return to producers or make a cash payment to producers equal to the value of this natural gas. Under these arrangements, our gross margins generally decrease when the price of natural gas increases relative to the price of NGLs.

When we process the gas for a fee under processing fee agreements, we may guarantee recoveries to the producer. If recoveries are less than those guaranteed to the producer, we may suffer a loss by having to supply liquids or its cash equivalent to keep the producer whole.

We also receive fees and retain gas in kind from our natural gas transportation and storage customers. Our fuel retention fees and the value of gas that we retain in kind are directly affected by changes in natural gas prices. Decreases in natural gas prices tend to decrease our fuel retention fees and the value of retained gas.

In addition, we receive revenue from our off-gas processing and fractionating system in south Louisiana primarily through customer agreements that are a combination of keep-whole and percent-of-proceeds arrangements, as well as from transportation and fractionation fees. Consequently, a large portion of our off-gas processing and fractionation revenue is exposed to risks due to fluctuations in commodity prices. In addition, a decline in NGL prices could cause a decrease in demand for our off-gas processing and fractionation services and could have an adverse effect on our results of operations.

Our midstream facilities and transportation pipelines provide services related to natural gas wells that experience production declines over time, which we may not be able to replace with natural gas production from newly drilled wells in the same natural gas basins or in other new natural gas producing areas.

In order to maintain or increase throughput levels on our gathering systems and transportation pipeline systems and asset utilization rates at our treating and processing plants, we must continually contract for new natural gas supplies and natural gas transportation services.

A substantial portion of our assets, including our gathering systems and our processing and treating plants, are connected to natural gas reserves and wells that experience declining production over time. Our gas transportation pipelines are also dependent upon natural gas production in areas served by our gathering systems or in areas served by other gathering systems or transportation pipelines that connect with our transportation pipelines. We may not be able to obtain additional contracts for natural gas supplies for our natural gas gathering systems, and we may be unable to maintain or increase the levels of natural gas throughput on our transportation pipelines. The primary factors affecting our ability to connect new supplies of natural gas to our gathering systems include our success in contracting for existing natural gas supplies that are not committed to other systems and the level of drilling activity and production of natural gas near our gathering systems or in areas that provide access to our transportation pipelines or markets to which our systems connect. We have no control over the level of drilling activity in our areas of operation, the amount of reserves underlying the wells and the rate at which production from a well will decline. In addition, we have no control over producers or their production and contracting decisions.

While a substantial portion of our services are provided under long-term contracts for reserved service, we also provide service on an unreserved basis. The reserves available through the supply basins connected to our gathering, processing, treating, transportation and storage facilities may decline and may not be replaced by other sources of supply. A decrease in development or production activity could cause a decrease in the volume of unreserved services we provide and a decrease in the number and volume of our contracts for reserved transportation service over the long run, which in each case would adversely affect our revenues and results of operations.

If we are unable to replace any significant volume declines with additional volumes from other sources, our results of operations and cash flows could be materially and adversely affected.

Our revenues depend on our customers’ ability to use our pipelines and third-party pipelines over which we have no control.

Our natural gas transportation, storage and NGL businesses depend, in part, on our customers’ ability to obtain access to pipelines to deliver gas to us and receive gas from us. Many of these pipelines are owned by parties not affiliated with us. Any interruption of service on our pipelines or third-party pipelines due to testing, line repair, reduced operating pressures, or other causes or adverse change in terms and conditions of service could have a material adverse effect on our ability, and the ability of our customers, to transport natural gas to and from our pipelines and facilities and a corresponding material adverse effect on our transportation and storage revenues. In addition, the rates charged by interconnected pipelines for transportation to and from our facilities affect the utilization and value of our storage services. Significant changes in the rates charged by those pipelines or the rates charged by other pipelines with which the interconnected pipelines compete could also have a material adverse effect on our storage revenues.

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Shippers using our oil pipelines and terminals are also dependent upon our pipelines and connections to third-party pipelines to receive and deliver crude oil and products. Any interruptions or reduction in the capabilities of these pipelines due to testing, line repair, reduced operating pressures, or other causes could result in reduced volumes transported in our pipelines or through our terminals. Similarly, if additional shippers begin transporting volume over interconnecting oil pipelines, the allocations of pipeline capacity to our existing shippers on these interconnecting pipelines could be reduced, which also could reduce volumes transported in its pipelines or through our terminals. Allocation reductions of this nature are not infrequent and are beyond our control. Any such interruptions or allocation reductions that, individually or in the aggregate, are material or continue for a sustained period of time could have a material adverse effect on our results of operations, financial position, or cash flows.

The inability to continue to access lands owned by third parties could adversely affect our ability to operate and our financial results.

Our ability to operate our pipeline systems on certain lands owned by third parties will depend on our success in maintaining existing rights-of-way and obtaining new rights-of-way on those lands. We are parties to rights-of-way agreements, permits and licenses authorizing land use with numerous parties, including, private land owners, governmental entities, Native American tribes, rail carriers, public utilities and others. For more information, see our regulatory disclosure titled “Indigenous Protections.” Our ability to secure extensions of existing agreements, permits and licenses is essential to our continuing business operations, and securing additional rights-of-way will be critical to our ability to pursue expansion projects. We cannot provide any assurance that we will be able to maintain access to existing rights-of-way upon the expiration of the current grants, that all of the rights-of-way will be obtained in a timely fashion or that we will acquire new rights-of-way as needed.

Further, whether we have the power of eminent domain for our pipelines varies from state to state, depending upon the type of pipeline and the laws of the particular state and the ownership of the land to which we seek access. When we exercise eminent down rights or negotiate private agreements cases, we must compensate landowners for the use of their property and, in eminent domain actions, such compensation may be determined by a court. The inability to exercise the power of eminent domain could negatively affect our business if we were to lose the right to use or occupy the property on which our pipelines are located. For example, following a decision issued in May 2017 by the federal Tenth Circuit Court of Appeals, tribal ownership of even a very small fractional interest in an allotted land, that is, tribal land owned or at one time owned by an individual Indian landowner, bars condemnation of any interest in the allotment. Consequently, the inability to condemn such allotted lands under circumstances where existing pipeline rights-of-way may soon lapse or terminate serves as an additional impediment for pipeline operators. Any loss of rights with respect to our real property, through our inability to renew right-of-way contracts or otherwise, could have a material adverse effect on our business, results of operations, financial condition and ability to make cash distributions to Unitholders.

Our storage operations are influenced by the overall forward market for crude oil and other products we store, and certain market conditions may adversely affect our financial and operating results.

Our storage operations are influenced by the overall forward market for crude oil and other products we store. A contango market (meaning that the price of crude oil or other products for future delivery is higher than the current price) is associated with greater demand for storage capacity, because a party can simultaneously purchase crude oil or other products at current prices for storage and sell at higher prices for future delivery. A backwardated market (meaning that the price of crude oil or other products for future delivery is lower than the current price) is associated with lower demand for storage capacity because a party can capture a premium for prompt delivery of crude oil or other products rather than storing it for future sale. A prolonged backwardated market, or other adverse market conditions, could have an adverse impact on its ability to negotiate favorable prices under new or renewing storage contracts, which could have an adverse impact on our storage revenues. As a result, the overall forward market for crude oil or other products may have an adverse effect on our financial condition or results of operations.

Competition for water resources or limitations on water usage for hydraulic fracturing could disrupt crude oil and natural gas production from shale formations.

Hydraulic fracturing is the process of creating or expanding cracks by pumping water, sand and chemicals under high pressure into an underground formation in order to increase the productivity of crude oil and natural gas wells. Water used in the process is generally fresh water, recycled produced water or salt water. There is competition for fresh water from municipalities, farmers, ranchers and industrial users. In addition, the available supply of fresh water can also be reduced directly by drought. Prolonged drought conditions increase the intensity of competition for fresh water. Limitations on oil and gas producers’ access to fresh water may restrict their ability to use hydraulic fracturing and could reduce new production. Such disruptions could potentially have a material adverse impact on our financial condition or results of operations.

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A natural disaster, catastrophe or other event could result in severe personal injury, property damage and environmental damage, which could curtail our operations and otherwise materially adversely affect our cash flow.

Some of our operations involve risks of personal injury, property damage and environmental damage, which could curtail our operations and otherwise materially adversely affect our cash flow. For example, natural gas pipeline and other facilities operate at high pressures. Virtually all of our operations are exposed to potential natural disasters, including hurricanes, tornadoes, storms, floods and/or earthquakes.

If one or more facilities that are owned by us, or that deliver natural gas or other products to us, are damaged by severe weather or any other disaster, accident, catastrophe or event, our operations could be significantly interrupted. Similar interruptions could result from damage to production or other facilities that supply our facilities or other stoppages arising from factors beyond our control. These interruptions might involve significant damage to people, property or the environment, and repairs might take from a week or less for a minor incident to six months or more for a major interruption. Any event that interrupts the revenues generated by our operations, or which causes us to make significant expenditures not covered by insurance, could reduce our cash available for paying distributions to Unitholders.

As a result of market conditions, premiums and deductibles for certain insurance policies can increase substantially, and in some instances, certain insurance may become unavailable or available only for reduced amounts of coverage. As a result, we may not be able to renew existing insurance policies or procure other desirable insurance on commercially reasonable terms, if at all. If we were to incur a significant liability for which we were not fully insured, it could have a material adverse effect on our financial position and results of operations. In addition, the proceeds of any such insurance may not be paid in a timely manner and may be insufficient if such an event were to occur.

Terrorist attacks aimed at our facilities could adversely affect our business, results of operations, cash flows and financial condition.

The United States government has issued warnings that energy assets, including our nation’s pipeline infrastructure, may be the future target of terrorist organizations. Some of our facilities are subject to standards and procedures required by the Chemical Facility Anti-Terrorism Standards. We believe we are in compliance with all material requirements; however, such compliance may not prevent a terrorist attack from causing material damage to our facilities or pipelines. Any such terrorist attack on our facilities or pipelines, those of our customers, or in some cases, those of other pipelines could have a material adverse effect on our business, financial condition and results of operations.

Our business could be affected adversely by union disputes and strikes or work stoppages by unionized employees.

As of December 31, 2023, approximately 10% of our workforce is covered by a number of collective bargaining agreements with various terms and dates of expiration. There can be no assurances that we will not experience a work stoppage in the future as a result of labor disagreements. Any work stoppage could, depending on the affected operations and the length of the work stoppage, have a material adverse effect on our business, financial position, results of operations or cash flows.

Cybersecurity attacks, data breaches and other disruptions affecting us, or our service providers, could materially and adversely affect our business, operations, reputation, and financial results.

The security and integrity of our information technology infrastructure and physical assets are critical to our business and our ability to perform day-to-day operations and deliver services. In addition, in the ordinary course of our business, we collect, process, transmit and store sensitive data, including intellectual property, our proprietary business information and that of our customers, suppliers and business partners, as well as personally identifiable information, in our data centers and on our networks. We also engage third parties, such as service providers and vendors, who provide a broad array of software, technologies, tools, and other products, services and functions (e.g., human resources, finance, data transmission, communications, risk, compliance, among others) that enable us to conduct, monitor and/or protect our business, operations, systems and data assets.

Our information technology and infrastructure, physical assets and data, may be vulnerable to unauthorized access, computer viruses, malicious attacks and other events (e.g., distributed denial of service attacks, ransomware attacks) that are beyond our control. These events can result from malfeasance by external parties, such as hackers, or due to human error or malfeasance by our or our service providers’ employees and contractors (e.g., due to social engineering or phishing attacks). In addition, work-from-home arrangements may present additional operational and cybersecurity risks to our information technology infrastructure and physical assets.

We and certain of our service providers have, from time to time, been subject to cyber attacks and security incidents. The frequency and magnitude of cyber attacks is increasing and attackers are becoming more sophisticated. Cyber attacks,

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including, but not limited to, malicious software, surveillance, credential stuffing, spear phishing, social engineering, use of deepfakes (i.e., highly realistic synthetic media generated by artificial intelligence), attempts to gain unauthorized access to data, and other electronic security breaches that could lead to disruptions in critical systems, unauthorized release of confidential or otherwise protected information and corruption of data, are evolving. We may be unable to anticipate, detect or prevent future attacks, particularly as the methodologies used by attackers change frequently or are not recognized until launched, and we may be unable to investigate or remediate incidents because attackers are increasingly using techniques and tools designed to circumvent controls, to avoid detection, and to remove or obfuscate forensic evidence.

Breaches of our information technology infrastructure or physical assets, or other disruptions, could result in damage to our assets, safety incidents, damage to the environment, potential liability or the loss of contracts, data loss or corruption, misdirected wire transfers, an inability to maintain our books and records or an inability to prevent environmental damage, any or all of which could, in turn, have a material adverse effect on our operations, financial position and results of operations. A successful cyber attack or other security incident could compromise our networks and the information stored there could be accessed, publicly disclosed, lost or stolen. Any such access, disclosure or loss could result in legal claims or proceedings, significant litigation costs, regulatory investigations and enforcement, penalties and fines, increased costs for system remediation and compliance requirements, disruption of our operations, damage to our reputation, or loss of confidence in our products and services, any or all of which could have a material adverse effect on our business and results. We may be required to invest significant additional resources to comply with evolving cybersecurity and data privacy laws or regulations and to modify and enhance our information security and controls, and to investigate and remediate any security vulnerabilities. Any losses, costs or liabilities may not be covered by, or may exceed the coverage limits of, any or all of our applicable insurance policies.

Our operations could be disrupted if our information systems fail, causing increased expenses and loss of sales.

Our business is highly dependent on financial, accounting and other data processing systems and other communications and information systems, including our enterprise resource planning tools. We process a large number of transactions on a daily basis and rely upon the proper functioning of computer systems. If a key system was to fail or experience unscheduled downtime for any reason, even if only for a short period, our operations and financial results could be affected adversely. Our systems could be damaged or interrupted by a security breach, fire, flood, power loss, telecommunications failure or similar event. We have a formal disaster recovery plan in place, but this plan may not entirely prevent delays or other complications that could arise from an information systems failure. Our business interruption insurance may not compensate us adequately for losses that may occur.

Product liability claims and litigation could adversely affect our business and results of operations.

Product liability is a significant commercial risk. Substantial damage awards have been made in certain jurisdictions against manufacturers and resellers based upon claims for injuries caused by the use of or exposure to various products. There can be no assurance that product liability claims against us would not have a material adverse effect on our business or results of operations.

Along with other refiners, manufacturers and sellers of gasoline, ETC Sunoco is a defendant in numerous lawsuits that allege MTBE contamination in groundwater. Plaintiffs, who include water purveyors and municipalities responsible for supplying drinking water and private well owners, are seeking compensatory damages (and in some cases injunctive relief, punitive damages and attorneys’ fees) for claims relating to the alleged manufacture and distribution of a defective product (MTBE-containing gasoline) that contaminates groundwater, and general allegations of product liability, nuisance, trespass, negligence, violation of environmental laws and deceptive business practices. There has been insufficient information developed about the plaintiffs’ legal theories or the facts that would be relevant to an analysis of the ultimate liability to ETC Sunoco. An adverse determination of liability related to these allegations or other product liability claims against ETC Sunoco could have a material adverse effect on our business or results of operations.

We do not control, and therefore may not be able to cause or prevent certain actions by, certain of our joint ventures.

Certain of our operations are conducted through joint ventures, some of which have their own governing boards. With respect to our joint ventures, we share ownership and management responsibilities with partners that may not share our goals and objectives. Consequently, it may be difficult or impossible for us to cause the joint venture entity to take actions that we believe would be in their or the joint venture’s best interests. Likewise, we may be unable to prevent actions of the joint venture. Differences in views among joint venture partners may result in delayed decisions or failures to agree on major matters, such as large expenditures or contractual commitments, the construction or acquisition of assets or borrowing money, among others. Delay or failure to agree may prevent action with respect to such matters, even though such action may serve our best interest or that of the joint venture. Accordingly, delayed decisions and disagreements could adversely affect the business and operations of the joint ventures and, in turn, our business and operations.

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The use of derivative financial instruments could result in material financial losses by us.

From time to time, we and/or our subsidiaries have sought to reduce our exposure to fluctuations in commodity prices and interest rates by using derivative financial instruments and other risk management mechanisms and by our trading, marketing and/or system optimization activities. To the extent that we hedge our commodity price and interest rate exposures, we forgo the benefits we would otherwise experience if commodity prices or interest rates were to change in our favor.

The accounting standards regarding hedge accounting are very complex, and even when we engage in hedging transactions that are effective economically (whether to mitigate our exposure to fluctuations in commodity prices, or to balance our exposure to fixed and variable interest rates), these transactions may not be considered effective for accounting purposes. Accordingly, our consolidated financial statements may reflect some volatility due to these hedges, even when there is no underlying economic impact at that point. It is also not always possible for us to engage in a hedging transaction that completely mitigates our exposure to commodity prices. Our consolidated financial statements may reflect a gain or loss arising from an exposure to commodity prices for which we are unable to enter into a completely effective hedge.

In addition, our derivatives activities can result in losses. Such losses could occur under various circumstances, including if a counterparty does not perform its obligations under the derivative arrangement, the hedge is imperfect, commodity prices move unfavorably related to our physical or financial positions or hedging policies and procedures are not followed.

Increasing levels of congestion in the Houston Ship Channel could result in a diversion of business to less busy ports.

Our Gulf Coast facilities are strategically situated on prime real estate located in the Houston Ship Channel, which is in close proximity to both supply sources and demand sources. In recent years, the success of the Port of Houston has led to an increase in vessel traffic driven in part by the growing overseas demand for U.S. crude, gasoline, liquefied natural gas and petrochemicals and in part by the Port of Houston’s recent decision to accept large container vessels, which can restrict the flow of other cargo. Increasing congestion in the Port of Houston, which is currently the busiest port in the U.S. by waterborne tonnage and which has increased volumes in each of the last two years, could cause our customers or potential customers to divert their business to smaller ports in the Gulf of Mexico, which could result in lower utilization of our facilities.

The costs of providing pension and other postretirement health care benefits and related funding requirements are subject to changes in pension fund values, changing demographics and fluctuating actuarial assumptions and may have a material adverse effect on our financial results.

Certain of our subsidiaries provide pension plan and other postretirement healthcare benefits to certain of their employees. The costs of providing pension and other postretirement health care benefits and related funding requirements are subject to changes in pension and other postretirement fund values, changing demographics and fluctuating actuarial assumptions that may have a material adverse effect on the Partnership’s future consolidated financial results. While certain of the costs incurred in providing such pension and other postretirement healthcare benefits are recovered through the rates charged by the Partnership’s regulated businesses, the Partnership’s subsidiaries may not recover all of the costs and those rates are generally not immediately responsive to current market conditions or funding requirements. Additionally, if the current cost recovery mechanisms are changed or eliminated, the impact of these benefits on operating results could significantly increase.

Mergers among customers and competitors could result in lower volumes being shipped on our pipelines or products stored in or distributed through our terminals, or reduced crude oil marketing margins or volumes.

Mergers between existing customers could provide strong economic incentives for the combined entities to utilize their existing systems instead of our systems in those markets where the systems compete. As a result, we could lose some or all of the volumes and associated revenues from these customers and could experience difficulty in replacing those lost volumes and revenues, which could materially and adversely affect our results of operations, financial position, or cash flows.

Fraudulent activity or misuse of proprietary data involving our outsourcing partners could expose us to additional liability.

We utilize both affiliated entities and third parties in the processing of our information and data. Breaches of security measures or the accidental loss, inadvertent disclosure or unapproved dissemination of proprietary information, or sensitive or confidential data about us or our customers, including the potential loss or disclosure of such information or data as a result of fraud or other forms of deception, could expose us to a risk of loss, or misuse of this information, result in litigation and potential liability, lead to reputational damage, increase our compliance costs, or otherwise harm our business.

Our trucking fleet operations are subject to the Federal Motor Carrier Safety Regulations which are enacted, reviewed and amended by the Federal Motor Carrier Safety Administration (“FMCSA”). Our fleet currently has a “satisfactory” safety

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rating; however, if our safety rating were downgraded to “unsatisfactory,” our business and results of operations could be adversely affected.

All federally regulated carriers’ safety ratings are measured through a program implemented by the FMCSA known as the Compliance Safety Accountability (“CSA”) program. The CSA program measures a carrier’s safety performance based on violations observed during roadside inspections as opposed to compliance audits performed by the FMCSA. The quantity and severity of any violations are compared to a peer group of companies of comparable size and annual mileage. If a company rises above a threshold established by the FMCSA, it is subject to action from the FMCSA. There is a progressive intervention strategy that begins with a company providing the FMCSA with an acceptable plan of corrective action that the company will implement. If the issues are not corrected, the intervention escalates to on-site compliance audits and ultimately an “unsatisfactory” rating and the revocation of its operating authority by the FMCSA could have an adverse effect on our business, results of operations and financial condition.

Indebtedness

Our debt level and debt agreements may limit our ability to make distributions to Unitholders and may limit our future financial and operating flexibility.

As of December 31, 2023, we had approximately $52.39 billion of consolidated debt, excluding the debt of our unconsolidated joint ventures. Our level of indebtedness affects our operations in several ways, including, among other things:

•a significant portion of our and our subsidiaries’ cash flow from operations will be dedicated to the payment of principal and interest on outstanding debt and will not be available for other purposes, including payment of distributions;

•covenants contained in our and our subsidiaries’ existing debt agreements require us and them, as applicable, to meet financial tests that may adversely affect our flexibility in planning for and reacting to changes in our business;

•our and our subsidiaries’ ability to obtain additional financing for working capital, capital expenditures, acquisitions and general partnership, corporate or limited liability company purposes, as applicable, may be limited;

•we may be at a competitive disadvantage relative to similar companies that have less debt;

•we may be more vulnerable to adverse economic and industry conditions as a result of our significant debt level; and

•failure by us or our subsidiaries to comply with the various restrictive covenants of our respective debt agreements could negatively impact our ability to incur additional debt, including our ability to utilize the available capacity under our revolving credit facility, and our ability to pay our distributions.

The debt level and debt agreements of our subsidiaries, including Sunoco LP and USAC, may limit the distributions we receive from these subsidiaries, as well as our future financial and operating flexibility.

Our subsidiaries’ levels of indebtedness affect their operations in several ways, including, among other things:

•a significant portion of our subsidiaries’ cash flows from operations will be dedicated to the payment of principal and interest on outstanding debt and will not be available for other purposes, including payment of distributions to us;

•covenants contained in our subsidiaries’ existing debt agreements require the respective subsidiaries, as applicable, to meet financial tests that may adversely affect their flexibility in planning for and reacting to changes in their respective businesses;

•our subsidiaries’ ability to obtain additional financing for working capital, capital expenditures, acquisitions and general partnership, corporate or limited liability company purposes, as applicable, may be limited;

•our subsidiaries may be at a competitive disadvantage relative to similar companies that have less debt;

•our subsidiaries may be more vulnerable to adverse economic and industry conditions as a result of their debt levels;

•failure by our subsidiaries to comply with the various restrictive covenants of the respective debt agreements could negatively impact the respective subsidiaries’ ability to incur additional debt, including their ability to utilize the available capacity under their revolving credit facilities, and to pay distributions to us and their unitholders.

As a result of Sunoco LP’s previously announced acquisition of NuStar, which is expected to close in the second quarter of 2024, Sunoco LP expects to assume NuStar’s debt and issue additional debt, aggregating approximately $4.2 billion. This additional debt may accelerate any of the risks discussed above.

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Index to Financial Statements

We do not have the same flexibility as other types of organizations to accumulate cash, which may limit cash available to service our debt or to repay debt at maturity.

Unlike a corporation, our Partnership Agreement requires us to distribute, on a quarterly basis, 100% of our Available Cash (as defined in our Partnership Agreement) to our Unitholders of record and our general partner. Available Cash is generally all of our cash on hand as of the end of a quarter, adjusted for cash distributions and net changes to reserves. Our general partner will determine the amount and timing of such distributions and has broad discretion to establish and make additions to our reserves or the reserves of our operating subsidiaries in amounts it determines in its reasonable discretion to be necessary or appropriate:

•to provide for the proper conduct of our business and the businesses of our operating subsidiaries (including reserves for future capital expenditures and for our anticipated future credit needs);

•to provide funds for distributions to our Unitholders and our general partner for any one or more of the next four calendar quarters; or

•to comply with applicable law or any of our loan or other agreements.

Increases in interest rates could materially adversely affect our business, results of operations, cash flows and financial condition.

In addition to our exposure to commodity prices, we have significant exposure to changes in interest rates, including the significant increases in prevailing interest rates as a result of changes in federal monetary and fiscal policy. Approximately $3.29 billion of our consolidated debt as of December 31, 2023 bears interest at variable interest rates and the remainder bears interest at fixed rates. To the extent that we have debt with floating interest rates, our results of operations, cash flows and financial condition could be materially adversely affected by increases in interest rates.

An increase in interest rates could impact demand for our storage capacity.

There is a financing cost for a storage capacity user to own crude oil while it is stored. That financing cost is impacted by the cost of capital or interest rate incurred by the storage user, in addition to the commodity cost of the crude oil in inventory. Absent other factors, a higher financing cost adversely impacts the economics of storing crude oil for future sale. As a result, a significant increase in interest rates could adversely affect the demand for our storage capacity independent of other market factors.

An increase in interest rates may also cause a corresponding decline in demand for equity investments, in general, and in particular for yield-based equity investments such as our Common Units. Any such reduction in demand for our Common Units resulting from other more attractive investment opportunities may cause the trading price of our Common Units to decline.

A downgrade of our credit ratings could impact our and our subsidiaries’ liquidity, access to capital and costs of doing business, and maintaining credit ratings is under the control of independent third parties.

A downgrade of our credit ratings may increase our and our subsidiaries’ cost of borrowing and could require us to post collateral with third parties, negatively impacting our available liquidity. Our and our subsidiaries’ ability to access capital markets could also be limited by a downgrade of our credit ratings and other disruptions. Such disruptions could include:

•economic downturns;

•deteriorating capital market conditions;

•declining market prices for crude oil, natural gas, NGLs and other commodities;

•terrorist attacks or threatened attacks on our facilities or those of other energy companies; and

•the overall health of the energy industry, including the bankruptcy or insolvency of other companies.

Credit rating agencies perform independent analysis when assigning credit ratings. The analysis includes a number of criteria including, but not limited to, business composition, market and operational risks, as well as various financial tests. Credit rating agencies continue to review the criteria for industry sectors and various debt ratings and may make changes to those criteria from time to time. Credit ratings are not recommendations to buy, sell or hold investments in the rated entity. Ratings are subject to revision or withdrawal at any time by the rating agencies, and we cannot assure you that we will maintain our current credit ratings.

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Index to Financial Statements

Capital Projects and Future Growth

If we and our subsidiaries do not make acquisitions on economically acceptable terms, our future growth could be limited.

Our results of operations and our ability to grow and to make distributions to Unitholders will depend in part on our ability to make acquisitions that are accretive to our distributable cash flow per unit.

We may be unable to make accretive acquisitions for any of the following reasons, among others:

•because we are unable to identify attractive acquisition candidates or negotiate acceptable purchase contracts with them;

•because we are unable to raise financing for such acquisitions on economically acceptable terms;

•because of recent heightened antitrust focus in the energy industry creating potential risk, expense and delays in connection with prospective acquisitions and consolidations; or

•because we are outbid by competitors, particularly as a trend of consolidation within the energy industry continues, some of which are substantially larger than us and have greater financial resources and lower costs of capital then we do.

Furthermore, even if we consummate acquisitions that we believe will be accretive, those acquisitions may in fact adversely affect our results of operations or result in a decrease in distributable cash flow per unit. Any acquisition involves potential risks, including the risk that we may:

•fail to realize anticipated benefits, such as new customer relationships, cost-savings or cash flow enhancements;

•decrease our liquidity by using a significant portion of our available cash or borrowing capacity to finance acquisitions;

•significantly increase our interest expense or financial leverage if we incur additional debt to finance acquisitions;

•encounter difficulties operating in new geographic areas or new lines of business;

•incur or assume unanticipated liabilities, losses or costs associated with the business or assets acquired for which we are not indemnified or for which the indemnity is inadequate;

•be unable to hire, train or retrain qualified personnel to manage and operate our growing business and assets;

•less effectively manage our historical assets, due to the diversion of management’s attention from other business concerns; or

•incur other significant charges, such as impairment of goodwill or other intangible assets, asset devaluation or restructuring charges.

If we consummate future acquisitions, our capitalization and results of operations may change significantly. As we determine the application of our funds and other resources, Unitholders will not have an opportunity to evaluate the economic, financial and other relevant information that we will consider.

Capital projects may require significant amounts of debt and equity financing, which may not be available to us on acceptable terms, or at all.

We may fund our growth capital expenditures, including any new pipeline construction projects and improvements or repairs to existing facilities that we may undertake, with proceeds from sales of our debt and equity securities and borrowings under our revolving credit facility; however, we cannot be certain that we will be able to issue our debt and equity securities on terms satisfactory to us, or at all. If we are required to seek alternative financing, the terms of which may not be attractive to us, or to revise or cancel our expansion plans.

A significant increase in our indebtedness that is proportionately greater than our issuance of equity could negatively impact our and our subsidiaries’ credit ratings or our ability to remain in compliance with the financial covenants under our revolving credit agreement, which could have a material adverse effect on our financial condition, results of operations and cash flows.

The Inflation Reduction Act of 2022 could decrease demand for crude oil and natural gas and could impose new costs on our operations.

In August 2022, President Biden signed the IRA 2022, which contains hundreds of billions in incentives for the development of renewable energy, clean hydrogen, clean fuels, electric vehicles and supporting infrastructure and carbon capture and sequestration, amongst other provisions. In addition, the IRA 2022 imposes the first-ever federal fee on the emission of GHGs through a methane emissions charge. The IRA 2022 amends the federal Clean Air Act to impose a fee on the emission of methane from sources required to report their GHG emissions to the EPA, including those sources in the onshore petroleum and

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Index to Financial Statements

natural gas production categories. The methane emissions charge started in calendar year 2024 at $900 per ton of methane, increases to $1,200 in 2025, and will be set at $1,500 for 2026 and each year after. Calculation of the fee is based on certain thresholds established in the IRA 2022. In addition, the multiple incentives offered for various clean energy industries referenced above could decrease demand for crude oil and natural gas, increase our compliance and operating costs and consequently adversely affect our business.

If we do not continue to construct new pipelines, our future growth could be limited.

Our results of operations and ability to grow and to increase distributable cash flow per unit will depend, in part, on our ability to construct pipelines that are accretive to our distributable cash flow. We may be unable to construct pipelines that are accretive to distributable cash flow for any of the following reasons, among others:

•we are unable to identify pipeline construction opportunities with favorable projected financial returns;

•we are unable to obtain necessary governmental approvals and contracts with qualified contractors and vendors on acceptable terms;

•we are unable to raise financing for our identified pipeline construction opportunities; or

•we are unable to secure sufficient transportation commitments from potential customers due to competition from other pipeline construction projects or for other reasons.

Furthermore, even if we construct a pipeline that we believe will be accretive, the pipeline may in fact adversely affect our results of operations or results from those projected prior to commencement of construction and other factors.

Expanding our business by constructing new pipelines and related facilities subjects us to risks.

One of the ways that we have grown our business is through the construction of additions to our existing gathering, compression, treating, processing and transportation systems. The construction of new pipelines and related facilities (or the improvement and repair of existing facilities) involves numerous regulatory, environmental, political and legal uncertainties beyond our control and requires the expenditure of significant amounts of capital that we will be required to finance through borrowings, the issuance of additional equity or from operating cash flow. If we undertake these projects, they may not be completed on schedule, at all, or at the budgeted cost. A variety of factors outside our control, such as weather, natural disasters and difficulties in obtaining permits and rights-of-way or other regulatory approvals, as well as the performance by third-party contractors, may result in increased costs or delays in construction. For example, in recent years, pipeline projects by many companies have been subject to several challenges by environmental groups, such as challenges to agency reviews under the NEPA and to the USACE NWP program. Any changes to the USACE NWP program that exclude our projects from coverage could require us to reroute pipeline projects, or seek individual permits that involve longer permitting timelines, leading to construction delays. For more information on the NWP program, see our regulatory disclosure titled “Clean Water Act.” Separately, cost overruns or delays in completing a project could have a material adverse effect on our results of operations and cash flows. Moreover, our revenues may not increase immediately following the completion of a particular project. For instance, if we build a new pipeline, the construction will occur over an extended period of time, but we may not materially increase our revenues until long after the project’s completion. In addition, the success of a pipeline construction project will likely depend upon the level of oil and natural gas exploration and development drilling activity and the demand for pipeline transportation in the areas proposed to be serviced by the project as well as our ability to obtain commitments from producers in the area to utilize the newly constructed pipelines. In this regard, we may construct facilities to capture anticipated future growth in oil or natural gas production in a region in which such growth does not materialize. As a result, new facilities may be unable to attract enough throughput or contracted capacity reservation commitments to achieve our expected investment return, which could adversely affect our results of operations and financial condition.

The liquefaction project is dependent upon securing long-term contractual arrangements for the offtake of LNG on terms sufficient to support the financial viability of the project.

Lake Charles LNG Export, our wholly owned subsidiary, is in the process of developing a liquefaction project at the site of our existing regasification facility in Lake Charles, Louisiana. The project would utilize existing dock and storage facilities owned by us located on the Lake Charles site. The parties’ determination as to the feasibility of the project will be particularly dependent upon the prospects for securing long-term contractual arrangements for the offtake of LNG which in turn will be dependent upon supply and demand factors affecting the price of LNG in foreign markets. The financial viability of the project will also be dependent upon a number of other factors, including the expected cost to construct the liquefaction facility, the terms and conditions of the financing for the construction of the liquefaction facility, the cost of the natural gas supply, the costs to transport natural gas to the liquefaction facility, the costs to operate the liquefaction facility and the costs to transport LNG from the liquefaction facility to customers in foreign markets (particularly Europe and Asia). Some of these costs fluctuate

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based on a variety of factors, including supply and demand factors affecting the price of natural gas in the United States, supply and demand factors affecting the costs for construction services for large infrastructure projects in the United States, and general economic conditions, there can be no assurance that the parties will determine to proceed to develop this project.

The construction of the liquefaction project remains subject to further approvals and some approvals may be subject to further conditions, review and/or revocation.

In December 2015, the FERC authorized Lake Charles LNG Export to site, construct and operate the liquefaction project subject to various condition, including a condition requiring all phases of the liquefaction project to be completed and in-service within five years of the date of the FERC authorization order. The order also requires the modifications to our Trunkline pipeline facilities that connect to our Lake Charles facility and additionally requires execution of a transportation contract for natural gas supply to the liquefaction facility prior to the initiation of construction of the liquefaction facility. In December 2019, the FERC granted an extension of time until and including December 16, 2025, to complete construction of the liquefaction project and pipeline facilities modifications and place the facilities into service. In May 2022, the FERC granted a second extension of time until and including December 16, 2028 to complete construction of the liquefaction facilities modifications and place the facilities into service.

The export of LNG produced by any liquefaction facility in the United States requires export authorization from the DOE. The NGA requires the DOE to approve applications for LNG exports unless such approval would be “inconsistent with the public interest.” In March 2013, Lake Charles LNG Export obtained a DOE authorization to export LNG to countries with which the United States has or will have Free Trade Agreements (“FTA”) for trade in natural gas (the “FTA Authorization”). In July 2016, Lake Charles LNG Export also obtained a conditional DOE authorization to export LNG to countries that do not have an FTA for trade in natural gas (the “Non-FTA Authorization”) subject to commencement of exports no later than December 2020. Lake Charles LNG Export applied for an extension of the deadline to commerce exports under the Non-FTA Authorization to December 2025 and the DOE approved such extension request in October 2020. Lake Charles LNG Export applied for a second extension of the deadline to commence exports and in April 2023 the DOE denied this request in connection with a new DOE policy related to extension requests.

In light of this new policy, in August 2023, Lake Charles LNG Export applied for a new Non-FTA Authorization which, if approved, would provide for a new deadline to commence exports to Non-FTA countries, which deadline would be seven years from the date of such approval. In January 2024, the Biden administration announced a moratorium on the approval of LNG export authorizations by the DOE and instructed the DOE to conduct studies related to the cumulative impact of LNG exports on domestic natural gas prices, climate change and other matters. The Biden administration stated that these studies were necessary to enable the DOE to make determinations related to the statutory “public interest” standard. The DOE has stated that these studies will take several months to complete, after which a draft policy statement will be made available for public comment prior to finalizing the policy statement. This process is not expected to be completed prior to the U.S. Presidential election in November 2024.

Based on this action by the Biden administration, there is uncertainty as to the ultimate determinations by the DOE with respect to whether the export of LNG from a specific liquefaction facility, such as the proposed Lake Charles LNG facility, will be considered “not inconsistent with the public interest,” the applicable standard for approval under the NGA. Accordingly, there can be no assurance as to whether Lake Charles LNG Export will receive approval of its application for a Non-FTA Authorization.

Integration of assets acquired in past acquisitions or future acquisitions with our existing business will be a complex and time-consuming process. A failure to successfully integrate the acquired assets with our existing business in a timely manner may have a material adverse effect on our business, financial condition, results of operations or cash available for distribution to Unitholders.

The difficulties of integrating past and future acquisitions with our business include, among other things:

•operating a larger combined organization in new geographic areas and new lines of business;

•hiring, training or retaining qualified personnel to manage and operate our growing business and assets;

•integrating management teams and employees into existing operations and establishing effective communication and information exchange with such management teams and employees;

•diversion of management’s attention from our existing business;

•assimilation of acquired assets and operations, including additional regulatory programs;

•loss of customers or key employees;

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•maintaining an effective system of internal controls in compliance with the Sarbanes-Oxley Act of 2002 as well as other regulatory compliance and corporate governance matters; and

•integrating new technology systems for financial reporting.

If any of these risks or other unanticipated liabilities or costs were to materialize, then desired benefits from past acquisitions and future acquisitions resulting in a negative impact to our future results of operations. In addition, acquired assets may perform at levels below the forecasts used to evaluate their acquisition, due to factors beyond our control. If the acquired assets perform at levels below the forecasts, then our future results of operations could be negatively impacted.

Also, our reviews of proposed business or asset acquisitions are inherently imperfect because it is generally not feasible to perform an in-depth review of each such proposal given time constraints imposed by sellers. Even if performed, a detailed review of assets and businesses may not reveal existing or potential problems and may not provide sufficient familiarity with such business or assets to fully assess their deficiencies and potential. Inspections may not be performed on every asset, and environmental problems, may not be observable even when an inspection is undertaken.

We are affected by competition from other midstream, transportation, terminalling and storage companies.

We experience competition in all of our business segments. With respect to our midstream operations, we compete for both natural gas supplies and customers for our services. Our competitors include major integrated oil companies, interstate and intrastate pipelines and companies that gather, compress, treat, process, transport, store and market natural gas.

Our natural gas and NGL transportation pipelines and storage facilities compete with other interstate and intrastate pipeline companies and storage providers in the transportation and storage of natural gas and NGLs. The principal elements of competition among pipelines are rates, terms of service, access to sources of supply and the flexibility and reliability of service. Natural gas and NGLs also compete with other forms of energy, including electricity, coal, fuel oils and renewable or alternative energy. Competition among fuels and energy supplies is primarily based on price; however, non-price factors, including governmental regulation, environmental impacts, efficiency, ease of use and handling, and the availability of subsidies and tax benefits also affects competitive outcomes.

In markets served by our NGL pipelines, we compete with other pipeline companies and barge, rail and truck fleet operations. We also face competition with other storage and fractionation facilities based on fees charged and the ability to receive, distribute and/or fractionate the customer’s products.

Our crude oil and refined petroleum products pipelines face significant competition from other pipelines for large volume shipments. These operations also face competition from trucks for incremental and marginal volumes in the areas we serve. Further, our crude and refined product terminals compete with terminals owned by integrated petroleum companies, refining and marketing companies, independent terminal companies and distribution companies with marketing and trading operations.

We, Sunoco LP and USAC may not be able to fully execute our growth strategy if we encounter increased competition for qualified assets.

Our strategy contemplates growth through the development and acquisition of a wide range of midstream, transportation, storage and other energy infrastructure assets while maintaining a strong balance sheet. This strategy includes constructing and acquiring additional assets and businesses to enhance our ability to compete effectively and diversify our asset portfolio, thereby providing more stable cash flow. We regularly consider and enter into discussions regarding the acquisition of additional assets and businesses, stand-alone development projects or other transactions that we believe will present opportunities to realize synergies and increase our cash flow.

Consistent with our strategy, we may, from time to time, engage in discussions with potential sellers regarding the possible acquisition of additional assets or businesses. Such acquisition efforts may involve our participation in processes that involve a number of potential buyers, commonly referred to as “auction” processes, as well as situations in which we believe we are the only party or one of a very limited number of potential buyers in negotiations with the potential seller. We cannot give assurance that our acquisition efforts will be successful or that any acquisition will be completed on terms considered favorable to us.

In addition, we may experience increased competition for the assets we purchase or contemplate purchasing. Increased competition for a limited pool of assets could result in us losing to other bidders more often or acquiring assets at higher prices, both of which would limit our ability to fully execute our growth strategy. Inability to execute our growth strategy may materially adversely impact our results of operations.

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We compete with other businesses in our market with respect to attracting and retaining qualified employees.

Our continued success depends on our ability to attract and retain qualified personnel in all areas of our business. We compete with other businesses in our market with respect to attracting and retaining qualified employees. A tight labor market, increased overtime and a higher full-time employee ratio may cause labor costs to increase. A shortage of qualified employees may require us to enhance wage and benefits packages in order to compete effectively in the hiring and retention of such employees or to hire more expensive temporary employees. No assurance can be given that our labor costs will not increase, or that such increases can be recovered through increased prices charged to customers. We are especially vulnerable to labor shortages in oil and gas drilling areas when energy prices drive higher exploration and production activity.

Regulatory Matters

Increased regulation of hydraulic fracturing or produced water disposal could result in reductions or delays in crude oil and natural gas production in our areas of operation, which could adversely impact our business and results of operations.

The hydraulic fracturing process has come under considerable scrutiny from sections of the public as well as environmental and other groups asserting that chemicals used in the hydraulic fracturing process could adversely affect drinking water supplies and may have other detrimental impacts on public health, safety, welfare and the environment. In addition, the water disposal process has come under scrutiny from sections of the public as well as environmental and other groups asserting that the operation of certain water disposal wells has caused increased seismic activity. Additionally, several candidates for political office in both state and federal government have announced intentions to impose greater restrictions on hydraulic fracturing or produced water disposal. For example, on January 27, 2021, the Biden Administration issued an executive order temporarily suspending the issuance of new authorizations, and suspending the issuance of new leases pending completion of a review of current practices, for oil and gas development on federal lands and waters (but not tribal lands that the federal government merely holds in trust). The suspension of these federal leasing activities prompted legal action by several states against the Biden Administration, resulting in issuance of a nationwide preliminary injunction by a federal district judge in Louisiana in June 2021, followed by a permanent injunction in August 2022, effectively halting implementation of the leasing suspension. Relatedly, the Department of the Interior (“DOI”) released its report on federal gas leasing and permitting practices in November 2021, referencing a number of recommendations and an overarching intent to modernize the federal oil and gas leasing program, including by adjusting royalty and bonding rates, prioritizing leasing in areas with known resource potential, and avoiding leasing that conflicts with recreation, wildlife habitat, conservation, and historical and cultural resources. In 2022, the recommendations in this report resulted in a reduction in the volume of onshore land held for lease and an increased royalty rate, and in 2023, the DOI proposed a rule to modernize the fiscal terms of the leasing program. Implementation of many of the recommendations in the DOI report will require Congressional action and we cannot predict the extent to which the recommendations may be implemented now or in the future, but restrictions on federal oil and gas activities have the potential to result in increased costs on us and our customers, decrease demand for our services on federal lands, and adversely impact our business. Separately, in November 2022, the BLM proposed a rule that would limit flaring from well sites on federal lands, as well as allow the delay or denial of permits if the BLM finds that an operator’s methane waste minimization plan is insufficient. In addition, the Colorado Energy and Carbon Management Commission (formerly the Colorado Oil and Gas Conservation Commission) adopted new rules to cover a variety of matters related to public health, safety, welfare, wildlife, and environmental resources, and is considering draft rules regarding the cumulative impacts of oil and gas projects; most significantly, these rule changes establish more stringent setbacks (2,000-foot, instead of the prior 500-foot) on new oil and gas development and eliminate routine flaring and venting of natural gas at new or existing wells across the state, each subject to only limited exceptions. Some local communities have adopted, or are considering adopting, additional restrictions for oil and gas activities, such as requiring even greater setbacks. While the final impacts of these developments cannot be predicted, the adoption of new laws or regulations imposing additional permitting, disclosures, restrictions or costs related to hydraulic fracturing or produced water disposal or prohibiting hydraulic fracturing in proximity to areas considered to be environmentally sensitive could make drilling certain wells impossible or less economically attractive. As a result, the volume of crude oil and natural gas we gather, transport and store for our customers could be substantially reduced which could have an adverse effect on our financial condition or results of operations.

Legal or regulatory actions related to the Dakota Access Pipeline could cause an interruption to current or future operations, which could have an adverse effect on our business and results of operations.

On July 27, 2016, the Standing Rock Sioux Tribe and other Native American tribes (the “Tribes”) filed a lawsuit in the United States District Court for the District of Columbia (“District Court”) challenging permits issued by the USACE permitting Dakota Access to cross the Missouri River at Lake Oahe in North Dakota. The case was subsequently amended to challenge an easement issued by the USACE allowing the pipeline to cross land owned by the USACE adjacent to the Missouri River. As a result of this litigation, the District Court vacated the easement, ordered USACE to prepare an Environmental Impact Statement (“EIS”), and order the pipeline shutdown and drained of oil. Dakota Access and USACE appealed this decision and moved for a

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stay of the District Court’s orders. On August 5, 2020, the Court of Appeals granted a stay of the portion of the District Court order that required Dakota Access to shut the pipeline down and empty it of oil, but the Court of Appeals denied a stay of the easement vacatur. The August 5, 2020 order also stated that the Court of Appeals expected the USACE to clarify its position with respect to whether USACE intends to allow the continued operation of the pipeline notwithstanding the vacatur of the easement and that the District Court may consider additional relief, if necessary. Following this order, the Tribes filed a motion with the District Court seeking an injunction to prevent the continued operation of the pipeline. On January 26, 2021, the Court of Appeals affirmed the District Court’s order requiring an EIS and its order vacating the easement. In the same January 26 order, the Court of Appeals also overturned the District Court’s July 6, 2020 order that the pipeline be shut down and emptied of oil because of the lack of findings sufficient to satisfy the legal requirements for injunctive relief, including a finding of irreparable harm to the Tribes in the absence of an injunction. Dakota Access filed for rehearing en banc on April 12, 2021, which the Court of Appeals denied. On September 20, 2021, Dakota Access filed a petition with the U.S. Supreme Court to hear the case. Oppositions were filed by the Solicitor General and plaintiffs, and Dakota Access has filed its reply.

The District Court scheduled a status conference for February 10, 2021 to discuss the impact of the Court of Appeals’ ruling on the pending motion for injunctive relief, as well as USACE’s expectations as to how it will proceed in light of the Court of Appeals’ recent vacatur ruling. USACE filed a motion for a continuance of the status conference until April 9, 2021, and this motion was approved by the District Court on February 9, 2021. Dakota Access and the Tribes filed their supplemental declarations on April 19, 2021 and April 26, 2021, respectively. On April 26, 2021, the District Court requested that USACE advise it by May 3, 2021 as to USACE’s current position, if it has one, with respect to the motion. On May 3, 2021, USACE advised the District Court that it had not changed its position with respect to its opposition to the Tribes’ motion for injunction. The USACE also advised the District Court that it expected that the EIS will be completed by March 2022. On May 21, 2021 the District Court denied the plaintiffs’ request for an injunction. The District Court further directed the parties to file a joint status report by June 11, 2021 concerning potential next steps in the litigation. On June 22, 2021, the District Court terminated the consolidated lawsuits and dismissed all remaining outstanding counts without prejudice. On January 20, 2022, the Standing Rock Sioux Tribe withdrew as a cooperating agency on the draft EIS, prompting the USACE to temporarily pause on the draft EIS. On September 8, 2023, the USACE published the Draft EIS. Comments to the Draft EIS were due on December 13, 2023. The USACE anticipates that a Final EIS and Record of Decision would be issued in 2024. For further information, see Note 11 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data” in this annual report.

Our interstate natural gas pipelines are subject to laws, regulations and policies governing the rates they are allowed to charge for their services, which may prevent us from fully recovering our costs.

Laws, regulations and policies governing interstate natural gas pipeline rates could affect the ability of our interstate pipelines to establish rates, to charge rates that would cover future increases in its costs, or to continue to collect rates that cover current costs.

We are required to file with the FERC tariff rates (also known as recourse rates) that shippers may pay for interstate natural gas transportation services. We may also agree to discount these rates on a not unduly discriminatory basis or negotiate rates with shippers who elect not to pay the recourse rates. The FERC must approve or accept all rate filings for us to be allowed to charge such rates.

The FERC may review existing tariff rates on its own initiative or upon receipt of a complaint filed by a third party. The FERC may, on a prospective basis, order refunds of amounts collected if it finds the rates to have been shown not to be just and reasonable or to have been unduly discriminatory. The FERC has recently exercised this authority with respect to several other pipeline companies. If the FERC were to initiate a proceeding against us and find that our rates were not just and reasonable or were unduly discriminatory, the maximum rates we are permitted to charge may be reduced and the reduction could have an adverse effect on our revenues and results of operations.

The costs of our interstate pipeline operations may increase, and we may not be able to recover all of those costs due to FERC regulation of our rates. If we propose to change our tariff rates, our proposed rates may be challenged by the FERC or third parties, and the FERC may deny, modify or limit our proposed changes if we are unable to persuade the FERC that changes would result in just and reasonable rates that are not unduly discriminatory. We also may be limited by the terms of rate case settlement agreements or negotiated rate agreements with individual customers from seeking future rate increases, or we may be constrained by competitive factors from charging our tariff rates.

To the extent our costs increase in an amount greater than our revenues increase, or there is a lag between our cost increases and our ability to file for and obtain rate increases, our operating results would be negatively affected. Even if a rate increase is permitted by the FERC to become effective, the rate increase may not be adequate. We cannot guarantee that our interstate pipelines will be able to recover all of our costs through existing or future rates.

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The ability of interstate pipelines held in tax-pass-through entities, like us, to include an allowance for income taxes as a cost-of-service element in their regulated rates has been subject to extensive litigation before the FERC and the courts for a number of years. Effective January 2018, the 2017 Tax Cuts and Jobs Act (the “Tax Act”) changed several provisions of the federal tax code, including a reduction in the maximum corporate tax rate. On March 15, 2018, in a set of related proposals, the FERC addressed treatment of federal income tax allowances in regulated entity rates. The FERC issued a Revised Policy Statement on Treatment of Income Taxes (“Revised Policy Statement”) stating that it will no longer permit master limited partnerships to recover an income tax allowance in their cost-of-service rates. The FERC issued the Revised Policy Statement in response to a remand from the United States Court of Appeals for the District of Columbia Circuit in United Airlines v. FERC, in which the court determined that the FERC had not justified its conclusion that a pipeline organized as a master limited partnership would not “double recover” its taxes under the current policy by both including an income-tax allowance in its cost of service and earning a return on equity (“ROE”) calculated using the discounted cash flow methodology. On July 18, 2018, the FERC clarified that a pipeline organized as a master limited partnership will not be precluded in a future proceeding from arguing and providing evidentiary support that it is entitled to an income tax allowance and demonstrating that its recovery of an income tax allowance does not result in a double-recovery of investors’ income tax costs. On July 31, 2020, the United States Court of Appeals for the District of Columbia Circuit issued an opinion upholding FERC’s decision denying a separate master limited partnership recovery of an income tax allowance and its decision not to require the master limited partnership to refund accumulated deferred income tax balances. In light of the rehearing order’s clarification regarding individual entities’ ability to argue in support of recovery of an income tax allowance and the court’s subsequent opinion upholding denial of an income tax allowance to a master limited partnership, the impacts that FERC’s policy on the treatment of income taxes may have on the rates an interstate pipeline held in a tax-pass-through entity can charge for the FERC regulated transportation services are unknown at this time.

Even without application of FERC’s recent rate making-related policy statements and rulemakings, under the NGA, FERC or our shippers may challenge the cost-of-service rates we charge. The FERC’s establishment of a just and reasonable rate is based on many components, including ROE and tax-related components, but also other pipeline costs that will continue to affect FERC’s determination of just and reasonable cost of service rate. Moreover, we receive revenues from our pipelines based on a variety of rate structures, including cost-of-service rates, negotiated rates, discounted rates and market-based rates. Many of our interstate pipelines, such as Tiger, Midcontinent Express and Fayetteville Express, have negotiated market rates that were agreed to by customers in connection with long-term contracts entered into to support the construction of the pipelines. Other systems, such as FGT, Transwestern and Panhandle, have a mix of tariff rate, discount rate, and negotiated rate agreements. The revenues we receive from natural gas transportation services we provide pursuant to cost-of-service based rates may decrease in the future as a result of changes to FERC policies, combined with the reduced corporate federal income tax rate established in the Tax Act. The extent of any revenue reduction related to our cost-of-service rates, if any, will depend on a detailed review of all of a pipeline’s cost-of-service components and the outcomes of any challenges to our rates by the FERC or our shippers.

By an order issued on January 16, 2019, the FERC initiated a review of Panhandle’s then existing rates pursuant to Section 5 of the NGA to determine whether the rates charged by Panhandle are just and reasonable and set the matter for hearing. On August 30, 2019, Panhandle filed a general rate proceeding under Section 4 of the NGA. The NGA Section 5 and Section 4 proceedings were consolidated by order of the Chief Judge on October 1, 2019. The initial decision by the administrative law judge was issued on March 26, 2021, and on December 16, 2022, the FERC issued its order on the initial decision. On January 17, 2023, Panhandle and the Michigan Public Service Commission each filed a request for rehearing of FERC’s order on the initial decision, which were denied by operation of law as of February 17, 2023. On March 23, 2023, Panhandle appealed these orders to the United States Court of Appeals for the District of Columbia Circuit (“Court of Appeals”), and the Michigan Public Service Commission also subsequently appealed these orders. On April 25, 2023, the Court of Appeals consolidated Panhandle’s and Michigan Public Service Commission’s appeals and stayed the consolidated appeal proceeding while the FERC further considered the requests for rehearing of its December 16, 2022 order. On September 25, 2023, the FERC issued its order addressing arguments raised on rehearing and compliance, which denied our requests for rehearing. Panhandle has timely filed its Petition for Review with the Court of Appeals regarding the September 25, 2023 order. On October 25, 2023, Panhandle filed a limited request for rehearing of the September 25 order addressing arguments raised on rehearing and compliance, which was subsequently denied by operation of law on November 27, 2023. On November 30, 2023, Panhandle submitted a refund report regarding the consolidated rate proceedings, which has been protested by several parties. On January 5, 2024, the FERC issued a second order addressing arguments raised on rehearing in which it modified certain discussion from its September 25, 2023 order and sustained its prior conclusions. Panhandle has timely filed its Petition for Review with the Court of Appeals regarding the January 5, 2024 order.

On July 1, 2022, Transwestern filed a rate case pursuant to Section 4 of the NGA. By order dated September 9, 2022, a procedural schedule was adopted in this proceeding, setting the commencement of the hearing for June 22, 2023 with an initial decision anticipated by November 15, 2023. By a subsequent order dated February 14, 2023, the procedural schedule was suspended based on representations that the participants have reached an agreement in principle to resolve all issues in this

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proceeding and a settlement is being prepared for filing at FERC. A settlement was filed with the FERC on April 5, 2023, and approved by order dated June 30, 2023.

On December 1, 2022, Sea Robin filed a general rate proceeding under Section 4 of the NGA reflecting a general rate increase for gathering and transportation services. A hearing in the proceeding is scheduled for October 24, 2023 with an initial decision anticipated by March 19, 2024. The parties have reached a settlement in the case, and the settlement was filed with the FERC on December 29, 2023.

Our interstate natural gas pipelines are subject to laws, regulations and policies governing terms and conditions of service, which could adversely affect our business and results of operations.

In addition to rate oversight, the FERC’s regulatory authority extends to many other aspects of the business and operations of our interstate natural gas pipelines, including:

•terms and conditions of service;

•the types of services interstate pipelines may or must offer their customers;

•siting and construction of new facilities;

•acquisition, extension or abandonment of services or facilities;

•reporting and information posting requirements;

•accounts and records; and

•relationships with affiliated companies involved in all aspects of the natural gas and energy businesses.

Compliance with these requirements can be costly and burdensome. In addition, we cannot guarantee that the FERC will authorize tariff changes and other activities we might propose and to undertake in a timely manner and free from potentially burdensome conditions. Future changes to laws, regulations, policies and interpretations thereof may impair our access to capital markets or may impair the ability of our interstate pipelines to compete for business, may impair their ability to recover costs or may increase the cost and burden of operation.

The FERC issued a Notice of Inquiry (“NOI”) on April 19, 2018 (“2018 NOI”) initiating a review of its policies on certification of natural gas pipelines, including an examination of its long-standing Policy Statement on Certification of New Interstate Natural Gas Pipeline Facilities (“1999 Policy Statement”), issued in 1999, that is used to determine whether to grant certificates for new pipeline projects. On February 18, 2021, the FERC issued another NOI (“2021 NOI”), reopening its review of the 1999 Policy Statement. Comments on the 2021 NOI were due on May 26, 2021. In September 2021, FERC issued a Notice of Technical Conference on Greenhouse Gas Mitigation related to natural gas infrastructure projects authorized under Sections 3 and 7 of the NGA. A technical conference was held on November 19, 2021, and post-technical conference comments were submitted to the FERC on January 7, 2022. On February 18, 2022, the FERC issued two new policy statements: (1) an Updated Policy Statement on the Certificate of New Interstate Natural Gas Facilities and (2) a Policy Statement on the Consideration of Greenhouse Gas Emissions in Natural Gas Infrastructure Project Reviews (“2022 Policy Statements”), to be effective that same day. On March 24, 2022, the FERC issued an order designating the 2022 Policy Statements as draft policy statements, and requested further comments. The FERC stated that it will not apply the now draft 2022 Policy Statements to pending applications or applications to be filed at FERC until it issues any final guidance on these topics. Comments on the 2022 Policy Statements were due on April 25, 2022, and reply comments were due on May 25, 2022. We are unable to predict what, if any, changes may be proposed as a result of the 2022 Policy Statements that might affect our natural gas pipeline or LNG facility projects, or when such new policies, if any, might become effective. We do not expect that any change in these policy statements would affect us in a materially different manner than any other natural gas pipeline company operating in the United States.

Rate regulation or market conditions may not allow us to recover the full amount of increases in the costs of our crude oil, NGL and refined products pipeline operations.

Transportation provided on our common carrier interstate crude oil, NGL and refined products pipelines is subject to rate regulation by the FERC, which requires that tariff rates for transportation on these oil pipelines be just and reasonable and not unduly discriminatory. If we propose new or changed rates, the FERC or interested persons may challenge those rates and the FERC is authorized to suspend the effectiveness of such rates for up to seven months and to investigate such rates. If, upon completion of an investigation, the FERC finds that the proposed rate is unjust or unreasonable, it is authorized to require the carrier to refund revenues in excess of the prior tariff during the term of the investigation. The FERC also may investigate, upon complaint or on its own motion, rates that are already in effect and may order a carrier to change its rates prospectively. Upon

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an appropriate showing, a shipper may obtain reparations for damages sustained for a period of up to two years prior to the filing of a complaint.

The primary ratemaking methodology used by the FERC to authorize increases in the tariff rates of petroleum pipelines is price indexing. The FERC’s ratemaking methodologies may limit our ability to set rates based on our costs or may delay the use of rates that reflect increased costs. On March 25, 2020, the FERC issued a Notice of Inquiry seeking comment on a proposal to change the preliminary screen for complaints against oil pipeline index rate increases to a “Percentage Comparison Test” consistent with the preliminary screen used by the FERC for protests against oil pipeline index rate increases. The FERC also requested comment on whether the appropriate threshold for the screen is a 10% or more differential between a proposed index rate increase and the annual percentage change in cost of service reported by the pipeline. Initial comments were due June 16, 2020, and reply comments were due July 16, 2020.

On October 20, 2022, the FERC issued a policy statement on the Standard Applied to Complaints Against Oil Pipeline Index Rate Changes to establish guidelines regarding how the FERC will evaluate shipper complaints against oil pipeline index rate increases. Specifically, the policy statement adopted the proposal in the FERC’s earlier Notice of Inquiry issued on March 25, 2020 to eliminate the “Substantially Exacerbate Test” as the preliminary screen applied to complaints against index rate increases and instead adopt the proposal to apply the “Percentage Comparison Test” as the preliminary screen for both protests and complaints against index rate increases. At this time, we cannot determine the effect of a change in the FERC’s preliminary screen for complaints against index rates changes, however, a revised screen would result in a threshold aligned with the existing threshold for protests against index rate increases. Any complaint or protest raised by a shipper could materially and adversely affect our financial condition, results of operations or cash flows.

On June 18, 2020, FERC issued a NOI requesting comments on a proposed oil pipeline index for the five-year period commencing July 1, 2021 and ending June 30, 2026, and requested comments on whether and how the index should reflect the Revised Policy Statement and FERC’s treatment of accumulated deferred income taxes as well as FERC’s revised ROE methodology.

On December 17, 2020, FERC issued an order establishing a new index of PPI-FG plus 0.78%. The FERC received requests for rehearing of its December 17, 2020 order and on January 20, 2022, granted rehearing and modified the oil index. Specifically, for the five-year period commencing July 1, 2021 and ending June 30, 2026, FERC-regulated liquids pipelines charging indexed rates are permitted to adjust their indexed ceilings annually by PPI-FG minus 0.21%. FERC directed liquids pipelines to recompute their ceiling levels for July 1, 2021 through June 30, 2022, as well as the ceiling levels for the period July 1, 2022 to June 30, 2023, based on the new index level. Where an oil pipeline’s filed rates exceed its ceiling levels, FERC ordered such oil pipelines to reduce the rate to bring it into compliance with the recomputed ceiling level to be effective March 1, 2022. Some parties sought rehearing of the January 20 order with FERC, which was denied by FERC on May 6, 2022. Certain parties have appealed the January 20 and May 6 orders. Such appeals remain pending at the D.C. Circuit.

Under the Energy Policy Act of 1992 (the “Energy Policy Act”), certain interstate pipeline rates were deemed just and reasonable or “grandfathered.” Revenues are derived from such grandfathered rates on most of our FERC-regulated pipelines. A person challenging a grandfathered rate must, as a threshold matter, establish a substantial change since the date of enactment of the Energy Policy Act, in either the economic circumstances or the nature of the service that formed the basis for the rate. If the FERC were to find a substantial change in circumstances, then the existing rates could be subject to detailed review and there is a risk that some rates could be found to be in excess of levels justified by the pipeline’s costs. In such event, the FERC could order us to reduce pipeline rates prospectively and to pay refunds to shippers.

If the FERC’s petroleum pipeline ratemaking methodologies procedures changes, the new methodology or procedures could adversely affect our business and results of operations.

State regulatory measures could adversely affect the business and operations of our midstream and intrastate pipeline and storage assets.

Our midstream and intrastate transportation and storage operations are generally exempt from FERC regulation under the NGA, but FERC regulation still significantly affects our business and the market for our products. The rates, terms and conditions of service for the interstate services we provide in our intrastate gas pipelines and gas storage are subject to FERC regulation under Section 311 of the NGPA. Our pipeline systems of Enable Oklahoma Intrastate Transmission, LLC, Oasis Pipeline, LP, Houston Pipe Line Company LP, ETC Katy Pipeline, LLC, Energy Transfer Fuel, LP, Lobo Pipeline Company, LLC, Pelico Pipeline, LLC, Regency Intrastate Gas LP, Red Bluff Express Pipeline, LLC, Trans-Pecos Pipeline, LLC and Comanche Trail Pipeline, LLC provide such services. Under Section 311, rates charged for transportation and storage must be fair and equitable. Amounts collected in excess of fair and equitable rates are subject to refund with interest, and the terms and conditions of service, set forth in the pipeline’s statement of operating conditions, are subject to FERC review and approval. Should the FERC determine not to authorize rates equal to or greater than our costs of service, our cash flow would be negatively affected.

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Our midstream and intrastate gas and oil transportation pipelines and our intrastate gas storage operations are subject to state regulation. All of the states in which we operate midstream assets, intrastate pipelines or intrastate storage facilities have adopted some form of complaint-based regulation, which allow producers and shippers to file complaints with state regulators in an effort to resolve grievances relating to the fairness of rates and terms of access. The states in which we operate have ratable take statutes, which generally require gathering pipelines to take, without undue discrimination, production that may be tendered to the gatherer for handling. Similarly, common purchaser statutes generally require gatherers to purchase without undue discrimination as to source of supply or producer. These statutes have the effect of restricting our right as an owner of gathering facilities to decide with whom we contract to purchase or transport natural gas. Should a complaint be filed in any of these states or should regulation become more active, our business may be adversely affected.

Our intrastate transportation operations located in Texas are also subject to regulation as gas utilities by the TRRC. Texas gas utilities must publish the rates they charge for transportation and storage services in tariffs filed with the TRRC, although such rates are deemed just and reasonable under Texas law unless challenged in a complaint.

We are subject to other forms of state regulation, including requirements to obtain operating permits, reporting requirements, and safety rules (see description of federal and state pipeline safety regulation below). Violations of state laws, regulations, orders and permit conditions can result in the modification, cancellation or suspension of a permit, civil penalties and other relief.

Certain of our assets may become subject to regulation.

The distinction between federally unregulated gathering facilities and FERC-regulated transmission pipelines under the NGA has been the subject of extensive litigation and may be determined by the FERC on a case-by-case basis, although the FERC has made no determinations as to the status of our facilities. Consequently, the classification and regulation of our gathering facilities could change based on future determinations by the FERC, the courts or Congress. If our gas gathering operations become subject to FERC jurisdiction, the result may adversely affect the rates we are able to charge and the services we currently provide, and may include the potential for a termination of our gathering agreements with our customers.

Intrastate transportation of NGLs is largely regulated by the state in which such transportation takes place. Energy Transfer GC NGL’s pipeline transports NGLs within the state of Texas and is subject to regulation by the TRRC. This NGLs transportation system offers services pursuant to an intrastate transportation tariff on file with the TRRC. In 2013, Energy Transfer GC NGL’s pipeline also commenced the interstate transportation of NGLs, which is subject to the FERC’s jurisdiction under the Interstate Commerce Act (“ICA”) and the Energy Policy Act. Both intrastate and interstate NGL transportation services must be provided in a manner that is just, reasonable, and non-discriminatory. The tariff rates established for interstate services were based on a negotiated agreement; however, if the FERC’s ratemaking methodologies were imposed, they may, among other things, delay the use of rates that reflect increased costs and subject us to potentially burdensome and expensive operational, reporting and other requirements. In addition, the rates, terms and conditions for shipments of crude oil, petroleum products and NGLs on our pipelines are subject to regulation by the FERC if the NGLs are transported in interstate or foreign commerce, whether by our pipelines or other means of transportation. Since we do not control the entire transportation path of all crude oil, petroleum products and NGLs on our pipelines, FERC regulation could be triggered by our customers’ transportation decisions.

In addition, if any of our pipelines were found to have provided services or otherwise operated in violation of the NGA, NGPA, or ICA, this could result in the imposition of administrative and criminal remedies and civil penalties, as well as a requirement to disgorge charges collected for such services in excess of the rate established by the FERC. Any of the foregoing could adversely affect revenues and cash flow related to these assets.

We may incur significant costs and liabilities resulting from performance of pipeline integrity programs and related repairs.

Pursuant to authority under the NGPSA and HLPSA, PHMSA has established a series of rules requiring pipeline operators to develop and implement integrity management programs for natural gas transmission and hazardous liquid pipelines that, in the event of a pipeline leak or rupture, could affect high consequence areas (“HCAs”) which are areas where a release could have the most significant adverse consequences, including high population areas, certain drinking water sources, and unusually sensitive ecological areas. These regulations require operators of covered pipelines to:

•perform ongoing assessments of pipeline integrity;

•identify and characterize applicable threats to pipeline segments that could impact a high consequence area;

•improve data collection, integration and analysis;

•repair and remediate the pipeline as necessary; and

•implement preventive and mitigating actions.

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In addition, states have adopted regulations similar to existing PHMSA regulations for intrastate gathering and transmission lines. At this time, we cannot predict the ultimate cost of compliance with applicable pipeline integrity management regulations, as the cost will vary significantly depending on the number and extent of any repairs found to be necessary as a result of the pipeline integrity testing. We will continue our pipeline integrity testing programs to assess and maintain the integrity of our pipelines. The results of these tests could cause us to incur significant and unanticipated capital and operating expenditures for repairs or upgrades deemed necessary to ensure the continued safe and reliable operation of our pipelines. Any changes to pipeline safety laws by Congress and regulations by PHMSA that result in more stringent or costly safety standards could have a significant adverse effect on us and similarly situated midstream operators. For example, in October 2019, PHMSA published the first of three regulations relating to new or more stringent requirements for certain natural gas lines and gathering lines, that had originally been proposed in 2016 as part of PHMSA’s “Gas Megarule.” The rulemaking imposed numerous requirements on onshore gas transmission pipelines relating to MAOP, reconfirmation and exceedance reporting, the integrity assessment of additional pipeline mileage found in MCAs, non-HCAs, Class 3 and Class 4 areas by 2023, and the consideration of seismicity as a risk factor in integrity management. PHMSA’s second final rule, applicable to hazardous liquid transmission and gathering pipelines, significantly extended and expanded the reach of certain integrity management requirements, use of in-line inspection tools by 2039 (unless the pipeline cannot be modified to permit such use), increased annual, accident, and safety-related conditional reporting requirements, and expanded use of leak detection systems beyond HCAs. The third final rule was published in August 2022, which adjusted the repair criteria for pipelines in HCAs, created new criteria for pipelines in non-HCAs, and strengthened integrity management assessment requirements, among other items. The changes adopted by these rulemakings could have a material adverse effect on our results of operations and costs of transportation services.

Federal and state legislative and regulatory initiatives relating to pipeline safety that require the use of new or more stringent safety controls or result in more stringent enforcement of applicable legal requirements could subject us to increased capital costs, operational delays and costs of operation.

The NGPSA and HLPSA were amended by the Pipeline Safety, Regulatory Certainty, and Job Creation Act of 2011 (“2011 Pipeline Safety Act”). Among other things, the 2011 Pipeline Safety Act increased the penalties for safety violations and directed the Secretary of Transportation to promulgate rules or standards relating to expanded integrity management requirements, automatic or remote-controlled valve use, excess flow valve use, leak detection system installation, testing to confirm that the material strength of certain pipelines are above 30% of specified minimum yield strength, and operator verification of records confirming the MAOP of certain interstate natural gas transmission pipelines. In March 2022, PHMSA issued a final rule increasing the maximum administrative fines for safety violations were increased to account for inflation, with maximum civil penalties set at $239,142 per day, with a maximum of $2,391,412 for a series of violations. Upon reauthorization of PHMSA, Congress often directs the agency to complete certain rulemakings. For example, in the Consolidated Appropriations Bill for Fiscal Year 2021, Congress reauthorized PHMSA through fiscal year 2023 and directed the agency to move forward with several regulatory actions, including the “Pipeline Safety: Class Location Change Requirements” and the “Pipeline Safety: Safety of Gas Transmission and Gathering Pipelines” proposed rulemaking, To that end, PHMSA issued the three final rules discussed above, significantly expanding reporting and safety requirements of operators of gas gathering pipelines, imposing safety regulations on approximately 400,000 miles of previously unregulated onshore gas gathering lines that, among other things, will impose criteria for inspection and repair of fugitive emissions, extend reporting requirements to all gas gathering operators, and apply a set of minimum safety requirements to certain gas gathering pipelines with large diameters and high operating pressures. Additionally, in June 2021, PHMSA issued an Advisory Bulletin advising pipeline and pipeline facility operators of applicable requirements to update their inspection and maintenance plans for the elimination of hazardous leaks and minimization of natural gas from related pipeline facilities. The safety enhancement requirements and other provisions of Congressional mandates to PHMSA, as well as any implementation of PHMSA rules thereunder or any issuance or reinterpretation of guidance by PHMSA or any state agencies with respect thereto, could require us to install new or modified safety controls, pursue additional capital projects, or conduct maintenance programs on an accelerated basis, any or all of which tasks could result in our incurring increased operating costs that could be significant and have a material adverse effect on our results of operations or financial condition.

Our business involves the generation, handling and disposal of hazardous substances, hydrocarbons and wastes which activities are subject to environmental and worker health and safety laws and regulations that may cause us to incur significant costs and liabilities.

Our business is subject to stringent federal, tribal, state, and local laws and regulations governing the discharge of materials into the environment, worker health and safety and protection of the environment. These laws and regulations may require the acquisition of permits for the construction and operation of our pipelines, plants and facilities, result in capital expenditures to manage, limit or prevent emissions, discharges or releases of various materials from our pipelines, plants and facilities, impose specific health and safety standards addressing worker protection, and impose substantial liabilities for pollution resulting from our construction and operations activities. Several governmental authorities, such as the EPA and analogous state agencies have the power to enforce compliance with these laws and regulations and the permits issued under them and frequently mandate

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difficult and costly remediation measures and other actions. Failure to comply with these laws, regulations and permits may result in the assessment of significant administrative, civil and criminal penalties, the imposition of investigatory remedial and corrective action obligations, suspension and debarment from federal contracting opportunities, the occurrence of delays in permitting and completion of projects, and the issuance of injunctive relief. For example, following a state grand jury investigation and the filing of charges alleging criminal misconduct involving the construction and related activities of the Mariner East 2 pipeline (“Mariner 2”), in August 2022 we entered into a plea of no contest with the Pennsylvania Attorney General’s Office that requires us to pay fines to the Commonwealth, pay for independent evaluations of potential water quality impacts to residential water supplies and compensate any affected homeowners, and to also pay $10 million to support water quality improvement projects. Any additional requirements from the PADEP regarding Mariner 2 or other of our pipeline projects may result in delays in the completion of these projects. Subsequently, the EPA issued a Notice of Proposed Debarment (“NPD”) on October 28, 2022, arising from SPLP’s and ETC Northeast Pipeline, LLC’s nolo contendere plea agreements and convictions for violations of Pennsylvania’s Clean Streams Law related to the Revolution and Mariner 2 pipelines. The following entities were proposed for debarment: (1) SPLP (pleading entity); (2) ETC Northeast Pipeline, LLC (pleading entity); (3) Energy Transfer LP; (4) SemGroup LLC; and (5) LE GP, LLC. The NPD presently prevents the named entities from pursuing or renewing Federal government contracts or Federal financial assistance agreements. While we are engaging with the EPA to attempt to resolve the matter, at this time there can be no assurance that the EPA will not finalize a debarment applicable to the named entities for a set period of time, or expand the debarment to other Energy Transfer affiliates. Currently, none of the entities named in the NPD are party to any Federal government contracts or Federal financial assistance agreements.

Certain environmental laws impose strict, joint and several liability for costs required to clean up and restore sites where hazardous substances, hydrocarbons or wastes have been disposed or released, even under circumstances where the substances, hydrocarbons or wastes have been released by a predecessor operator. Moreover, it is not uncommon for neighboring landowners and other third parties to file claims for personal injury and property and natural resource damage allegedly caused by noise, odor or the release of hazardous substances, hydrocarbons or wastes into the environment.

We may incur substantial environmental costs and liabilities because of the underlying risk arising out of our operations. Although we have established financial reserves for our estimated environmental remediation liabilities, additional contamination or conditions may be discovered, resulting in increased remediation costs, liabilities or natural resource damages that could substantially increase our costs for site remediation projects. Accordingly, we cannot assure you that our current reserves are adequate to cover all future liabilities, even for currently known contamination.

Uncertainty about the future course of regulation continues to exist following the change in U.S. presidential administrations in January 2021. Upon taking office, the Biden Administration issued an executive order directing all federal agencies to review and take action to address any federal regulations promulgated during the prior administration that may be inconsistent with the current administration’s policies. As a result, several regulatory developments have occurred, but it remains unclear the degree to which this will continue . The executive order also established a Working Group that is called on to, among other things, develop methodologies for calculating the “social cost of carbon,” “social cost of nitrous oxide” and “social cost of methane.” During 2021, the Working Group published interim estimates of the social costs of carbon, methane, and nitrous oxide and sought public comment on these estimates. The Working Group’s interim estimate of the social cost of carbon has been subject to litigation in 2022, but is in use while litigation is pending. The EPA has also separately developed its own proposal for a social cost of carbon, which is significantly higher than that proposed by the Working Group. The EPA’s proposal is currently undergoing independent peer review and is not yet in use by the agency. Further regulation of air emissions, as well as uncertainty regarding the future course of regulation, could eventually reduce the demand for oil and natural gas and, in turn, have a material adverse effect on our business, financial condition or results of operations.

Changes in environmental laws and regulations occur frequently, and any such changes that result in more stringent and costly waste handling, emission standards, or storage, transport, disposal or remediation requirements could have a material adverse effect on our operations or financial position. For example, in October 2015, the EPA published a final rule under the Clean Air Act, lowering the National Ambient Air Quality Standard (“NAAQS”) for ground-level ozone to 70 parts per billion for the 8-hour primary and secondary ozone standards, and the EPA finalized its attainment/non-attainment designations in 2018, though these are subject to change. In December 2020, the EPA announced that it was retaining without revision the 2015 NAAQS for ozone. However, the Biden Administration has announced plans to formally review this decision and consider instituting a more stringent standard. Reclassification of areas or imposition of more stringent standards may make it more difficult to construct new or modified sources of air pollution in newly designated non-attainment areas. Also, states are expected to implement more stringent requirements as a result of this new final rule, which could apply to our customers’ operations. Compliance with this final rule or any other new regulations could, among other things, require installation of new emission controls on some of our equipment, result in longer permitting timelines or new restrictions or prohibitions with respect to permits or projects, and significantly increase our capital expenditures and operating costs, which could adversely impact our business. Historically, we have been able to satisfy the more stringent nitrogen oxide emission reduction requirements that

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affect our compressor units in ozone non-attainment areas at reasonable cost, but there is no assurance that we will not incur material costs in the future to meet the new, more stringent ozone standard.

Regulations under the Clean Water Act, Oil Pollution Act of 1990, as amended (“OPA”), and state laws impose regulatory burdens on terminal operations. Spill prevention control and countermeasure requirements of federal and state laws require containment to mitigate or prevent contamination of waters in the event of a refined product overflow, rupture, or leak from above-ground pipelines and storage tanks. The Clean Water Act also requires us to maintain spill prevention control and countermeasure plans at our terminal facilities with above-ground storage tanks and pipelines. In addition, OPA requires that most fuel transport and storage companies maintain and update various oil spill prevention and oil spill contingency plans. Facilities that are adjacent to water require the engagement of Federally Certified Oil Spill Response Organizations to be available to respond to a spill on water from above-ground storage tanks or pipelines.

Transportation and storage of refined products over and adjacent to water involves risk and potentially subjects us to strict, joint, and potentially unlimited liability for removal costs and other consequences of an oil spill where the spill is into navigable waters, along shorelines or in the exclusive economic zone of the United States.

In the event of an oil spill into navigable waters, substantial liabilities could be imposed upon us. The Clean Water Act imposes restrictions and strict controls regarding the discharge of pollutants into navigable waters, with the potential of substantial liability for the violation of permits or permitting requirements.

Terminal operations and associated facilities are subject to the Clean Air Act as well as comparable state and local statutes. Under these laws, permits may be required before construction can commence on a new source of potentially significant air emissions, and operating permits may be required for sources that are already constructed. If regulations become more stringent, additional emission control technologies.

Climate change legislation or regulations restricting emissions of GHGs could result in increased operating costs and reduced demand for the services we provide.

Climate change continues to attract considerable public, governmental and scientific attention. As a result, numerous proposals have been made and are likely to continue to be made at the international, national, regional and state levels of government to monitor and limit emissions of GHGs. These efforts have included consideration of cap-and-trade programs, carbon taxes and GHG reporting and tracking programs, and regulations that directly limit GHG emissions from certain sources. In the United States, no comprehensive climate change legislation has been implemented at the federal level to date. However, Canada has implemented a federal carbon pricing regime, and, in the United States, President Biden has announced that he intends to pursue substantial reductions in GHG emissions, particularly from the oil and gas sector. For example, on January 27, 2021, President Biden signed an executive order that commits to substantial action on climate change, calling for, among other things, the increased use of zero-emissions vehicles by the federal government, the elimination of subsidies provided to the fossil fuel industry, an increase in the production of offshore wind energy, and an increased emphasis on climate-related risks across government agencies and economic sectors. In August 2022, the IRA 2022 was signed into law, which appropriates significant federal funding for renewable energy initiatives and amends the federal Clean Air Act to impose a first-time fee on the emission of methane from sources required to report their GHG emissions to the EPA. The IRA 2022 imposes a methane emissions charge on sources required to report their GHG emissions to the EPA, which started in calendar year 2024 at $900 per ton of methane, increases to $1,200 in 2025, and will be set at $1,500 for 2026 and each year after. Calculation of the fee is based on certain thresholds established in the IRA 2022.Additionally, the EPA has adopted rules under authority of the Clean Air Act that, among other things, establish Potential for Significant Deterioration (“PSD”) construction and Title V operating permit reviews for GHG emissions from certain large stationary sources that are also potential major sources of certain principal, or criteria, pollutant emissions, which reviews could require securing PSD permits at covered facilities emitting GHGs and meeting “best available control technology” standards for those GHG emissions. In addition, the EPA has adopted rules requiring the monitoring and annual reporting of GHG emissions from certain petroleum and natural gas system sources in the United States, including, among others, onshore processing, transmission, storage and distribution facilities. In October 2015, the EPA amended and expanded the GHG reporting requirements to all segments of the oil and natural gas industry, including gathering and boosting facilities and blowdowns of natural gas transmission

Federal agencies also have begun directly regulating GHG emissions, such as methane, from oil and natural gas operations. In June 2016, the EPA published New Source Performance Standards (“NSPS”), known as Subpart OOOOa, that require certain new, modified or reconstructed facilities in the oil and natural gas sector to reduce these methane gas and VOC emissions. These Subpart OOOOa standards expand previously issued NSPS published by the EPA in 2012 and known as Subpart OOOO, by using certain equipment-specific emissions control practices, requiring additional controls for pneumatic controllers and pumps as well as compressors, and imposing leak detection and repair requirements for natural gas compressor and booster stations. In September 2020, the EPA finalized amendments to Subpart OOOOa that rescind the methane limits for new,

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reconstructed and modified oil and natural gas production sources while leaving in place the general emission limits for VOCs. In addition, the rulemaking removes from the oil and natural gas category the natural gas transmission and storage segment. However, Congress passed, and President Biden signed into law, a revocation of the 2020 rulemaking, effectively reinstating the 2016 standards. Additionally, in December 2023, the EPA issued a final rule that established OOOOb new source and OOOOc first-time existing source standards of performance for GHG and VOC emissions for crude oil and natural gas well sites, natural gas gathering and boosting compressor stations, natural gas processing plants, and transmission and storage facilities, Owners or operators of affected emission units or processes will have to comply with specific standards of performance that may include leak detection using optical gas imaging and subsequent repair requirements, reduction of emissions by 95% through capture and control systems, zero-emission requirements, operations and maintenance requirements, and so-called “green well” completion requirements. The December 2023 rule also revises requirements for fugitive emissions monitoring and repair as well as equipment leaks and the frequency of monitoring surveys, establishes a “super-emitter” response program to timely mitigate emissions events, triggering certain response and repair requirements, and provides additional options for the use of advanced monitoring to encourage the deployment of innovative technologies to detect and reduce methane emissions. Fines and penalties for violations of these rules can be substantial. Several states have also adopted, or are considering, adopting, regulations related to GHG emissions, some of which are more stringent than those implemented by the federal government. Methane emission standards imposed on the oil and gas sector could result in increased costs to our operations or those of our customers as well as result in delays or curtailment in such operations, which costs, delays or curtailment could adversely affect our business.

At the international level, in December 2015, the United States joined the international community at the 21st Conference of the Parties of the United Nations Framework Convention on Climate Change in Paris, France in signing the “Paris Agreement,” a treaty that requires member countries to submit individually-determined, non-binding GHG emission reduction goals every five years beginning in 2020. Although the United States withdrew from the Agreement under the Trump administration, President Biden recommitted the United States in February 2021, and, in April 2021, announced a new, more rigorous nationally determined emissions reduction level of 50-52% reduction from 2005 levels in economy-wide net GHG emissions by 2030. The international community gathered again in Glasgow in November 2021 at COP26 during which multiple announcements were made, including a call for parties to eliminate fossil fuel subsidies, amongst other measures. Relatedly, the United States and European Union jointly announced at COP26 the launch of the Global Methane Pledge, an initiative committing to a collective goal of reducing global methane emissions by at least 30% from 2020 levels by 2030, including “all feasible reductions” in the energy sector. At the 27th Conference of the Parties in Sharm El-Sheik in November 2022, countries reiterated the agreements from COP26 and were called upon to accelerate efforts toward the phase-out of fossil fuel subsidies. The United States also announced, in conjunction with the European Union and other partner countries, that it would develop standards for monitoring and reporting methane emissions to help create a market for low methane-intensity natural gas. In December 2023, at COP28, parties signed onto an agreement to transition away from fossil fuels in energy systems and increase renewable energy capacity so as to achieve net zero by 2050, although no timeline for doing so was set. Although no timeline to phase out or phase down all fossil fuels has been made, there can be no guarantees that countries will not seek to implement a timeline in the future.

President Biden’s January 2021 climate change executive order also directed the Secretary of the Interior to pause new oil and natural gas leasing on public lands or in offshore waters pending completion of a comprehensive review of the federal permitting and leasing practices, consider whether to adjust royalties associated with coal, oil, and gas resources extracted from public lands and offshore waters, or take other appropriate action, to account for corresponding climate costs. This pause was subsequently subject to a permanent injunction in August 2022, effectively halting implementation of the leasing suspension with respect to those leases canceled or postponed prior to March 24, 2021. The executive order also directed the federal government to identify “fossil fuel subsidies” to take steps to ensure that, to the extent consistent with applicable law, federal funding is not directly subsidizing fossil fuels. As noted above, a separate executive order issued in January 2021 established a Working Group that is called on to, among other things, develop methodologies for calculating the “social cost of carbon,” “social cost of nitrous oxide” and “social cost of methane.” During 2021, the Working Group published interim estimates of the social costs of carbon, methane, and nitrous oxide and sought public comment on these estimates. The Working Group’s interim estimate of the social cost of carbon, $51 per ton, has been subject to litigation in 2022, but is in use while litigation is pending. It is difficult to predict how these measures may impact our business; however, any new restrictions on oil and gas permitting or leasing on federal lands could discourage new oil and gas development by our customers, which could have an adverse effect on our business.

The adoption, strengthening and implementation of any international, federal or state legislation or regulations that require reporting of GHGs or otherwise restrict emissions of GHGs could result in increased compliance costs or additional operating restrictions, and could have a material adverse effect on our business, financial condition, demand for our services, results of operations, and cash flows. Litigation risks are also increasing, as several oil and gas companies have been sued for allegedly causing climate-related damages due to their production and sale of fossil fuel products or for allegedly being aware of the impacts of climate change for some time but failing to adequately disclose such risks to their investors or customers.

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There are also increasing financing risks for fossil fuel energy companies, as various investors become increasingly concerned about the potential effects of climate change and may elect in the future to shift some or all of their investments into other sectors. Institutional lenders who provide financing for fossil fuel energy companies also have become more attentive to sustainable lending practices that favor “clean” power sources such as wind and solar photovoltaic, making those sources more attractive for investment, and some of them may elect not to provide funding for fossil fuel energy companies. For example, at COP26, the GFANZ announced that commitments from over 450 firms across 45 countries had resulted in over $130 trillion in capital committed to net zero goals. The various sub-alliances of GFANZ generally require participants to set short-term, sector-specific targets to transition their financing, investing, and/or underwriting activities to net zero by 2050. Additionally, there is the possibility that financial institutions will be required to adopt policies that limit funding for fossil fuel energy companies. In late 2020, the Federal Reserve announced that it has joined NGFS, a consortium of financial regulators focused on addressing climate-related risks in the financial sector. In November 2021, the Federal Reserve issued a statement in support of the efforts of the NGFS to identify key issues and potential solutions for the climate-related challenges most relevant to central banks and supervisory authorities. In September 2022, the Federal Reserve announced that six of the United States’ largest banks will participate in a pilot climate scenario analysis exercise, which launched in early 2023, to enhance the ability of firms and supervisors to measure and manage climate-related financial risk. While we cannot predict what polices may result from these developments, such efforts could make it more difficult for exploration and production companies and midstream companies, like us, to secure funding as well as negatively affect the cost of, and terms for, financings to fund growth projects or other aspects of our business. Additionally, in March 2022 the SEC released a proposed rule requiring climate disclosures, which is expected to be finalized in 2024. Although the form and substance of these requirements is not yet known, this may result in additional costs to comply with any such disclosure requirements.

Climatic events in the areas in which we operate, whether from climate change or otherwise, can cause disruptions, and in some cases, delays in, or suspension of, our services. These event, including but not limited to drought, winter storms, wildfire, extreme temperatures or flooding, may become more intense or more frequent as a result of climate change and could have an adverse effect on our continued operations. If such effects were to occur, our operations could be adversely affected in various ways, including damages to our facilities or our customers’ facilities from powerful winds or rising waters. We may experience increased insurance costs, or difficulty obtaining adequate insurance coverage, for our assets in areas subject to more frequent severe weather. We may not be able to recoup these increased costs through the rates we charge our customers. Extreme weather events could cause damage to property or facilities that could exceed our insurance coverage and our business, financial condition and results of operations could be adversely affected.

Another possible consequence of climate change is increased volatility in seasonal temperatures. The market for our NGLs and natural gas is generally improved by periods of colder weather and impaired by periods of warmer weather, so any changes in climate could affect the market for the fuels that we transport, and thus demand for our services. Despite the use of the term “global warming” as a shorthand for climate change, some studies indicate that climate change could cause some areas to experience temperatures substantially colder than their historical averages. As a result, it is difficult to predict how the market for our products could be affected by increased temperature volatility, although if there is an overall trend of warmer temperatures, it would be expected to have an adverse effect on our business.

A climate-related decrease in demand for crude oil, natural gas and other hydrocarbon products could negatively affect our business.

Supply and demand for crude oil, natural gas and other hydrocarbon products we handle is dependent upon a variety of factors, many of which are beyond our control. These factors include, among others, the potential adoption of new government regulations, including those related to fuel conservation measures and climate change regulations, technological advances in fuel economy and energy generation devices. For example, legislative, regulatory or executive actions intended to reduce emissions of GHGs could increase the cost of consuming crude oil, natural gas and other hydrocarbon products, thereby potentially causing a reduction in the demand for such products. A broader transition to alternative fuels or energy sources, whether resulting from potential new government regulation, carbon taxes, governmental incentives and funding such as those provided in the IRA 2022, or consumer preferences could result in decreased demand for hydrocarbon products like crude oil, natural gas and NGLs that we handle. Any decrease in demand for these products could consequently reduce demand for our services and could have a negative effect on our business.

Increased attention to ESG matters and conservation measures may adversely impact our business.

Increasing attention to, and societal expectations on companies to address, climate change and other environmental and social impacts, investor and societal expectations regarding voluntary ESG disclosures, and consumer demand for alternative forms of energy may result in increased costs, reduced demand for fossil fuels and consequently demand for our midstream services, reduced profits, increased risk of investigations and litigation, and negative impacts on the value of our assets and access to capital. Increasing attention to climate change and environmental conservation, for example, may result in reduced demand for

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oil and natural gas products and additional governmental investigations and private litigation against us or our customers. To the extent that societal pressures or political or other factors are involved, it is possible that such liability could be imposed without regard to our causation of or contribution to climate change or asserted damage to the environment, or to other mitigating factors. While we may participate in various voluntary frameworks and certification programs to improve the ESG profile of our operations and products, we cannot guarantee that such participation or certification will have the intended results on our ESG profile. Moreover, while we are pursuing various low-carbon opportunities such as renewable power generation, renewable fuels, and carbon capture and storage projects through our alternative energy initiatives to address potential energy transition related risks, we cannot guarantee that we will be able to execute these projects in a timely manner because of permitting, technology, or other risks or that such opportunities will ultimately be successful.

Moreover, while we create and publish voluntary disclosures regarding ESG matters from time to time, many of the statements in those voluntary disclosures will be based on expectations and assumptions. Such expectations and assumptions are necessarily uncertain and may be prone to error or subject to misinterpretation given the long timelines involved and the lack of an established single approach to identifying, measuring, and reporting on many ESG matters. Additionally, while we may also announce various voluntary ESG targets in the future, such targets are aspirational. We may not be able to meet such targets in the manner or on such a timeline as initially contemplated, including, but not limited to as a result of unforeseen costs or technical difficulties associated with achieving such results. To the extent that we do meet such targets, we may consider the acquisition of various credits or offsets that may be deemed to assist in the achievement of such targets or otherwise mitigate our ESG impact instead of actual achievements of such targets or actual changes in our ESG performance. Also, despite these aspirational goals, we may receive pressure from investors, lenders, or other groups to adopt more aggressive climate or other ESG-related goals, but we cannot guarantee that we will be able to implement such goals because of potential costs or technical or operational obstacles.

In addition, organizations that provide information to investors on corporate governance and related matters have developed ratings processes for evaluating companies on their approach to ESG matters. Unfavorable ESG ratings and recent activism directed at shifting funding away from companies with energy-related assets could lead to increased negative investor sentiment toward us and our industry and to the diversion of investment to other industries, which could have a negative impact on our access to and costs of capital. Additionally, to the extent ESG matters negatively impact our reputation, we may not be able to compete as effectively to recruit or retain employees, which may adversely affect our operations.

Such ESG matters may also impact our customers or suppliers, which may adversely impact our business, financial condition, or results of operations.

The swaps regulatory provisions of the Dodd-Frank Act and the rules adopted thereunder could have an adverse effect on our ability to use derivative instruments to mitigate the risks of changes in commodity prices and interest rates and other risks associated with our business.

The Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”) requires that certain classes of swaps be cleared on a derivatives clearing organization and traded on a designated contract markets or other regulated exchange, unless exempt from such clearing and trading requirements, which could result in the application of certain margin requirements imposed by derivatives clearing organizations and their members. The CFTC and prudential regulators have also adopted mandatory margin requirements for uncleared swaps entered into between swap dealers and certain other counterparties. We currently qualify for and rely upon an end-user exception from such clearing and margin requirements for the swaps we enter into to hedge our commercial risks. However, the application of the mandatory clearing and trade execution requirements and the uncleared swaps margin requirements to other market participants, such as swap dealers, may adversely affect the cost and availability of the swaps that we use for hedging.

In addition to the Dodd-Frank Act, the European Union and other foreign regulators have adopted and are implementing local reforms generally comparable with the reforms under the Dodd-Frank Act. Implementation and enforcement of these regulatory provisions may reduce our ability to hedge our market risks with non-U.S. counterparties and may make transactions involving cross-border swaps more expensive and burdensome. Additionally, the lack of regulatory equivalency across jurisdictions may increase compliance costs and make it more difficult to satisfy our regulatory obligations.

Additional deepwater drilling laws and regulations, delays in the processing and approval of drilling permits and exploration, development, oil spill-response and decommissioning plans, and other related developments may have a material adverse effect on our business, financial condition, or results of operations.

The Federal Bureau of Ocean Energy Management (“BOEM”) and the federal Bureau of Safety and Environmental Enforcement (“BSEE”), each agencies of the DOI, have imposed more stringent permitting procedures and regulatory safety and performance requirements for new wells to be drilled in federal waters. Compliance with these more stringent regulatory requirements and with existing environmental and oil spill regulations, together with any uncertainties or inconsistencies in

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decisions and rulings by governmental agencies, delays in the processing and approval of drilling permits or exploration, development, oil spill-response and decommissioning plans, and possible additional regulatory initiatives could result in difficult and more costly actions and adversely affect or delay new drilling and ongoing development efforts. For instance, in January 2021, the Biden Administration issued an executive order focused on climate change that, among other things, directed the Secretary of the Interior to pause new oil and natural gas leasing on public lands or in offshore waters pending completion of a comprehensive review of the federal permitting and leasing practices, consider whether to adjust royalties associated with coal, oil, and gas resources extracted from public lands and offshore waters, or take other appropriate action, to account for corresponding climate costs.

In addition, new regulatory initiatives may be adopted or enforced by the BOEM or the BSEE in the future that could result in additional costs, delays, restrictions, or obligations with respect to oil and natural gas exploration and production operations conducted offshore by certain of our customers. Separately, in April 2023, BOEM and BSEE published a final rule regarding financial assurance requirements for offshore leases, particularly regarding requirements for bonds above base amounts prescribed by regulation. In June 2023, BOEM issued a notice of proposed rulemaking seeking to modify its criteria for determining bonds and financial assurance for offshore oil and gas lessees and other operators, which generally imposes more stringent requirements for waiving supplemental bonding requirements and changes how BOEM calculates the amount of supplemental financial assurance required, amongst other matters. At this time, we cannot determine with any certainty the amount of any additional financial assurance that may be ordered by BOEM and required of us in the future, or that such additional financial assurance amounts can be obtained. The final publication or implementation of this rule, as well as any new rules, regulations, or legal initiatives, could delay or disrupt our customers’ operations, increase the risk of expired leases due to the time required to develop new technology, result in increased supplemental bonding and costs, limit activities in certain areas, or cause our customers’ to incur penalties, or shut-in production or lease cancellation. Also, if material spill events were to occur in the future, the United States or other countries could elect to issue directives to temporarily cease drilling activities offshore and, in any event, may from time to time issue further safety and environmental laws and regulations regarding offshore oil and gas exploration and development. The overall costs imposed on our customers to implement and complete any such spill response activities or any decommissioning obligations could exceed estimated accruals, insurance limits, or supplemental bonding amounts, which could result in the incurrence of additional costs to complete. Separately, in January 2021, the Biden Administration issued orders temporarily suspending the issuance of new authorizations and suspending the issuance of new leases pending completion of a review of current practices, for oil and gas development on federal lands and waters. The suspension of these federal leasing activities prompted legal action by several states against the Biden Administration, resulting in issuance of a nationwide preliminary injunction by a federal district judge in Louisiana in June 2021 and permanent injunction in August 2022, effectively halting implementation of the leasing suspension. Additionally, provisions in the IRA 2022 require that particular offshore oil and gas lease sales under the 2017 – 2022 leasing program proceed, and the DOI has reinstated or announced plans for those sales. In September 2023, the DOI published a proposed final offshore leasing program for 2024 – 2029, which was then approved by the Secretary of the Interior and authorized three Gulf of Mexico leasing sales. Relatedly, the DOI released its report on federal gas leasing and permitting practices in November 2021, referencing a number of recommendations and an overarching intent to modernize the federal oil and gas leasing program, including by adjusting royalty and bonding rates, prioritizing leasing in areas with known resource potential, and avoiding leasing that conflicts with recreation, wildlife habitat, conservation, and historical and cultural resources. Implementation of many of the recommendations in the DOI report will require Congressional action and we cannot predict the extent to which the recommendations may be implemented now or in the future, but restrictions on federal oil and gas activities have the potential to result in increased costs on us and our customers, decrease demand for our services on federal lands, and adversely impact our business and adversely impact our business. For example, in 2023, the DOI proposed a rule to modernize the fiscal terms of the leasing program, increase costs associated with such leases and add new criteria for the DOI to consider when deciding whether to lease nominated lands. The Biden Administration also published an order calling for an increase in the production of offshore wind energy, which may impact the use of federal waters. We cannot predict with any certainty the full impact of any new laws or regulations on our customers’ drilling operations or on the cost or availability of insurance to cover some or all of the risks associated with such operations. The occurrence of any one or more of these developments could result in decreased demand for our services, which could have a material adverse effect on our business as well as our financial position, results of operation and liquidity.

Our business is subject to federal, state and local laws and regulations that govern the product quality specifications of the petroleum products that we store and transport.

The petroleum products that we store and transport are sold by our customers for consumption into the public market. Various federal, state and local agencies have the authority to prescribe specific product quality specifications to commodities sold into the public market. Changes in product quality specifications could reduce our throughput volume, require us to incur additional handling costs or require the expenditure of significant capital. In addition, different product specifications for different markets impact the fungibility of products transported and stored in our pipeline systems and terminal facilities and could require the

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construction of additional storage to segregate products with different specifications. We may be unable to recover these costs through increased revenues.

In addition, our patented butane blending services are reliant upon gasoline vapor pressure specifications. Significant changes in such specifications could reduce butane blending opportunities, which would affect our ability to market our butane blending service licenses and which would ultimately affect our ability to recover the costs incurred to acquire and integrate our butane blending assets.

Risks Relating to Our Partnership Structure

Issuance of Common Units or Other Classes of Equity

We may issue an unlimited number of limited partner interests or other classes of equity without the consent of our Unitholders, which will dilute Unitholders’ ownership interest in us and may increase the risk that we will not have sufficient available cash to maintain or increase our per unit distribution level.

Our Partnership Agreement allows us to issue an unlimited number of additional limited partner interests, including securities senior to the Common Units, without the approval of our Unitholders. The issuance of additional Common Units or other equity securities by us will have the following effects:

•our Unitholders’ current proportionate ownership interest in us will decrease;

•the amount of cash available for distribution on each Common Unit or partnership security may decrease;

•the ratio of taxable income to distributions may increase;

•the relative voting strength of each previously outstanding Common Unit and/or Preferred Unit may be diminished; and

•the market price of our Common Units and/or Preferred Units may decline.

Cash Distributions to Unitholders and Governance

Cash distributions are not guaranteed and may fluctuate with our performance and other external factors.

The amount of cash we can distribute to our Unitholders depends upon the amount of cash we generate from our operations and from our subsidiaries, Sunoco LP and USAC. The amount of cash we generate from our operations will fluctuate from quarter to quarter and will depend upon, among other things:

•the amount of natural gas, NGLs, crude oil and refined products transported in our pipelines;

•the level of throughput in our processing and treating operations;

•the fees we charge and the margins we realize for our services;

•the price of natural gas, NGLs, crude oil and refined products;

•the relationship between natural gas, NGL and crude oil prices;

•the weather in our operating areas;

•the level of competition from other midstream, transportation and storage and other energy providers;

•the level of our operating costs;

•prevailing economic conditions; and

•the level and results of our derivative activities.

In addition, the actual amount of cash we and our subsidiaries, including Sunoco LP and USAC, will have available for distribution will also depend on other factors, such as:

•the level of capital expenditures we and our subsidiaries make;

•the level of costs related to litigation and regulatory compliance matters;

•the cost of acquisitions, if any;

•the levels of any margin calls that result from changes in commodity prices;

•our and our subsidiaries’ debt service requirements;

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•fluctuations in our and our subsidiaries’ working capital needs;

•our and our subsidiaries’ ability to borrow under our revolving credit facility;

•our and our subsidiaries’ ability to access capital markets;

•restrictions on distributions contained in our and our subsidiaries’ debt agreements; and

•the amount of cash reserves established by our general partner in its discretion for the proper conduct of our business.

Because of all these factors, we cannot guarantee that in the future we will be able to pay distributions or that any distributions we do make will be at or above our current quarterly distribution. The actual amount of cash that is available for distribution to our Unitholders will depend on numerous factors, many of which are beyond our control or the control of our general partner.

Furthermore, our Unitholders should be aware that the amount of cash we have available for distribution depends primarily upon our cash flow and is not solely a function of profitability, which is affected by non-cash items. As a result, we may declare and/or pay cash distributions during periods when we record net losses.

Our general partner’s absolute discretion in determining the level of cash reserves may adversely affect our ability to make cash distributions to Unitholders.

Our Partnership Agreement requires our general partner to deduct from operating surplus cash reserves that in its reasonable discretion are necessary to fund our future operating expenditures. In addition, our Partnership Agreement permits our general partner to reduce available cash by establishing cash reserves for the proper conduct of our business, to comply with applicable law or agreements to which we are a party or to provide funds for future distributions to partners. These cash reserves will affect the amount of cash available for distribution to Unitholders.

Unitholders may have liability to repay distributions.

Under certain circumstances, Unitholders may have to repay us amounts wrongfully distributed to them. Under Delaware law, we may not make a distribution to Unitholders if the distribution causes our liabilities to exceed the fair value of our assets. Liabilities to partners on account of their partnership interests and non-recourse liabilities are not counted for purposes of determining whether a distribution is permitted. Delaware law provides that a limited partner who receives such a distribution and knew at the time of the distribution that the distribution violated Delaware law, will be liable to the limited partnership for the distribution amount for three years from the distribution date.

The NYSE does not require a publicly traded partnership like us to comply with certain corporate governance requirements.

Our common units, Series E Preferred Units and Series I Preferred Units are listed on the NYSE. Because we are a publicly traded partnership, the NYSE does not require us to have a majority of independent directors on our general partner’s board of directors or to establish a compensation committee or a nominating and corporate governance committee. Accordingly, our Unitholders do not have the same protections afforded to stockholders of corporations that are subject to all of the corporate governance requirements of the applicable stock exchange.

Our General Partner

The control of our general partner may be transferred to a third party without Unitholder consent.

Our general partner may transfer its general partner interest to a third party without the consent of the Unitholders. Any new owner of the general partner would be in a position to replace the officers and directors of the general partner with its own designees and thereby exert significant influence over the decisions made by such officers and directors.

The majority owner of our general partner has rights that protect him against dilution.

Through his controlling interest in our general partner, Kelcy Warren owns all of the outstanding Energy Transfer Class A Units, which represents an approximately 20% voting interest in the Partnership. Under the terms of the Energy Transfer Class A Units, upon the issuance by the Partnership of additional common units or any securities that have voting rights that are pari passu with the Partnership common units, the Partnership will issue to the general partner additional Energy Transfer Class A Units such that Mr. Warren maintains a voting interest in the Partnership that is equivalent to his voting interest in the Partnership with respect to such Energy Transfer Class A Units (approximately 20%) prior to such issuance of common units. As a result, Mr. Warren is partially protected against the dilutive effect of additional common unit issuances by the Partnership with respect to voting. As of December 31, 2023, the Partnership had outstanding 833,486,004 Energy Transfer Class A Units.

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Cost reimbursements due to our general partner may be substantial and may reduce our ability to pay the distributions to Unitholders.

Prior to making any distributions to our Unitholders, we will reimburse our general partner for all expenses it has incurred on our behalf. In addition, our general partner and its affiliates may provide us with services for which we will be charged reasonable fees as determined by the general partner. The reimbursement of these expenses and the payment of these fees could adversely affect our ability to make distributions to the Unitholders. Our general partner has sole discretion to determine the amount of these expenses and fees.

Holders of our common units have limited voting rights and are not entitled to elect our general partner or its directors.

Unlike the holders of common stock in a corporation, our common unitholders have only limited voting rights on matters affecting our business and, therefore, limited ability to influence management’s decisions regarding our business. Our Unitholders have no right to elect our general partner or the board of directors of our general partner. Our general partner has the right to appoint and replace the members of the board, including all of its independent directors. Mr. Warren owns an 81.2% membership interest in our general partner and controls our general partner and therefore has the ability to direct our general partner with respect to the exercise of these governance rights.

If our Unitholders are dissatisfied with the general partner’s performance, they have limited ability to remove the general partner. The vote of the holders of at least 66 2/3% of all outstanding common units is required to remove the general partner; however, Mr. Warren owns a significant number of common units and, through his controlling interest in the general partner, owns all of the outstanding Energy Transfer Class A Units, which vote together with the common units and entitle the holders of the Energy Transfer Class A Units to maintain the voting percentage in Energy Transfer represented by such Energy Transfer Class A Units as of the date the initial Energy Transfer Class A Units were issued (approximately 20%) any time new common units are issued. As of February 9, 2024, Mr. Warren’s combined common unit and Energy Transfer Class A Unit ownership results in a voting interest in the Partnership of 27%. As a result of this and other limitations, it may be more difficult to remove the general partner.

Furthermore, our Partnership Agreement contains provisions limiting the ability of common unitholders to call meetings or to obtain information about our operations, as well as other provisions limiting our common unitholders’ ability to influence the manner or direction of management. Common unitholders’ voting rights are further restricted by a provision of our Partnership Agreement providing that any units held by a person or group that owns 20% or more of such class of units then outstanding, other than, with respect to our common units, the general partner, its affiliates, their direct transferees and their indirect transferees approved by our general partner (which approval may be granted in its sole discretion) and persons who acquired such common units with the prior approval of the general partner, cannot vote on any matter.

Kelcy Warren owns a majority interest in, and controls, our general partner, and our general partner has sole responsibility for conducting our business and managing our operations. The general partner may have conflicts of interest with us and limited fiduciary duties, and it may favor its own interests to the detriment of us and our Unitholders.

Mr. Warren owns an 81.2% membership interest in, and therefore controls, the general partner and accordingly has the right to appoint and replace all of the officers and directors of the general partner. Although our general partner has a fiduciary duty to manage us in a manner that is beneficial to us and our Unitholders, the directors and officers of the general partner also have a fiduciary duty to manage the general partner in a manner that is beneficial to its majority owner, Mr. Warren. Conflicts of interest will arise between the general partner and its owner, on the one hand, and us and our Unitholders, on the other hand. In resolving these conflicts of interest, the general partner may favor its own interests and the interests of its owner over our interests and the interests of our Unitholders.

Unitholders may not have limited liability if a court finds that limited partner actions constitute control of our business.

Under Delaware law, unitholders could be held liable for our obligations to the same extent as a general partner if a court determined that the right of limited partners to remove our general partner or to take other action under the Partnership Agreement constituted participation in the “control” of our business. Additionally, under Delaware law, our general partner has unlimited liability for the obligations of Energy Transfer, such as our debts and environmental liabilities, except for those contractual obligations of Energy Transfer that are expressly made without recourse to the general partner.

The limitations on the liability of holders of limited partner interests for the obligations of a limited partnership have not been clearly established in some of the states in which we do business. Unitholders could have unlimited liability for obligations of the Partnership if a court or government agency determined that (i) we were conducting business in a state, but had not complied with that particular state’s partnership statute; or (ii) a Unitholder’s right to act with other Unitholders to remove or

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replace our general partner, to approve some amendments to our Partnership Agreement or to take other actions under the Partnership Agreement constituted “control” of our business.

Our general partner has a limited call right that may require Unitholders to sell their units at an undesirable time or price.

If at any time our general partner and its affiliates own more than 90% of our outstanding units, our general partner will have the right, but not the obligation, which it may assign to any of its affiliates or to us, to acquire all, but not less than all, of the units held by unaffiliated persons at a price not less than their then-current market price. As a result, Unitholders may be required to sell their units at an undesirable time or price and may not receive any return on their investment. Unitholders may also incur a tax liability upon a sale of their units. As of December 31, 2023, the directors and executive officers of our general partner owned approximately 10% of our Common Units.

Our Subsidiaries

We have a holding company structure in which our subsidiaries conduct our operations and own our operating assets.

We are a holding company, and our subsidiaries conduct all of our operations and own all of our operating assets. We do not have significant assets other than the partnership interests and the equity in our subsidiaries. As a result, our ability to pay distributions to our Unitholders and to service our debt depends on the performance of our subsidiaries and their ability to distribute funds to us. The ability of our subsidiaries to make distributions to us may be restricted by, among other things, credit facilities and applicable state partnership laws and other laws and regulations. In particular, our Five-Year Credit Facility, limits our and certain of our subsidiaries’ ability to make distributions. If we are unable to obtain funds from our subsidiaries, we may not be able to pay distributions to our Unitholders or to pay interest or principal on our debt when due.

The interruption of distributions to us from our operating subsidiaries and equity investees may affect our ability to satisfy our obligations and to make distributions to our partners.

We are a holding company with no business operations other than that of our operating subsidiaries. Our only significant assets are the equity interests we own in our operating subsidiaries and equity investees. As a result, we depend upon the earnings and cash flow of our operating subsidiaries and equity investees and any interruption of distributions to us may affect our ability to meet our obligations, including any obligations under our debt agreements, and to make distributions to our partners.

Our subsidiaries are not prohibited from competing with us.

Neither our Partnership Agreement nor the partnership agreements of our subsidiaries, including Sunoco LP and USAC, prohibit our subsidiaries from owning assets or engaging in businesses that compete directly or indirectly with us. In addition, our subsidiaries may acquire, construct or dispose of any assets in the future without any obligation to offer us the opportunity to purchase or construct any of those assets.

Sunoco LP and USAC may issue additional common units, which may increase the risk that each Partnership will not have sufficient available cash to maintain or increase its per unit distribution level.

The partnership agreements of Sunoco LP and USAC allow each partnership to issue an unlimited number of additional limited partner interests. The issuance of additional common units or other equity securities by each respective partnership will have the following effects:

•unitholders’ current proportionate ownership interest in each partnership will decrease;

•the amount of cash available for distribution on each common unit or partnership security may decrease;

•the ratio of taxable income to distributions may increase;

•the relative voting strength of each previously outstanding common unit may be diminished; and

•the market price of each partnership’s common units may decline.

The payment of distributions on any additional units issued by Sunoco LP and USAC may increase the risk that either partnership may not have sufficient cash available to maintain or increase its per unit distribution level, which in turn may impact the available cash that we have to meet our obligations

A reduction in Sunoco LP’s distributions will disproportionately affect the amount of cash distributions to which Energy Transfer is entitled.

Energy Transfer indirectly owns all of the IDRs of Sunoco LP. These IDRs entitle the holder to receive increasing percentages of total cash distributions made by Sunoco LP as such entity reaches established target cash distribution levels as specified in its

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partnership agreement. Energy Transfer currently receives its pro rata share of cash distributions from Sunoco LP based on the highest sharing level of 50% in respect of the Sunoco LP IDRs.

A decrease in the amount of distributions by Sunoco LP to less than $0.65625 per unit per quarter would reduce Energy Transfer’s percentage of the incremental cash distributions from Sunoco LP above $0.546875 per unit per quarter from 50% to 25%. As a result, any such reduction in quarterly cash distributions from Sunoco LP would have the effect of disproportionately reducing the amount of all distributions that Energy Transfer receives, based on its ownership interest in the IDRs as compared to cash distributions received from its Sunoco LP common units.

A significant decrease in demand for motor fuel, including increased consumer preference for alternative motor fuels, improvements in fuel efficiency or a material shift toward electric or other alternative-power vehicles, in the areas Sunoco LP serves would reduce their ability to make distributions to its unitholders.

For the year ended December 31, 2023, sales of refined motor fuels accounted for approximately 98% of Sunoco LP’s total revenues and 69% of gross profit. A significant decrease in demand for motor fuel in the areas Sunoco LP serves could significantly reduce revenues and Sunoco LP’s ability to make distributions to its unitholders, including Energy Transfer. Sunoco LP revenues are dependent on various trends, such as trends in commercial truck traffic, travel and tourism in their areas of operation, and these trends can change. Regulatory action, including government imposed fuel efficiency standards, may also affect demand for motor fuel. Because certain of Sunoco LP’s operating costs and expenses are fixed and do not vary with the volumes of motor fuel distributed, their costs and expenses might not decrease ratably or at all should they experience such a reduction. As a result, Sunoco LP may experience declines in their profit margin if fuel distribution volumes decrease.

Any technological advancements, regulatory changes or changes in consumer preferences causing a significant shift toward alternative motor fuels could reduce demand for the conventional petroleum based motor fuels Sunoco LP currently sells. Additionally, a shift toward electric, hydrogen, natural gas or other alternative-power vehicles could fundamentally change customers’ shopping habits or lead to new forms of fueling destinations or new competitive pressures.

New technologies have been developed and governmental mandates have been implemented to improve fuel efficiency, which may result in decreased demand for petroleum-based fuel. For example, in December 2021, the Biden Administration announced revised GHG emissions standards for light-duty vehicle fleets for Model Years 2023-2026, which some manufacturers may meet by increasing fuel efficiency or increasing the prevalence of zero-emissions vehicles in their fleets. The Biden Administration has also set a goal for federal vehicle acquisitions to be 100% zero-emissions vehicles by 2035, which may further influence the composition of vehicle fleets. Laws such as the Bipartisan Infrastructure Act and the IRA 2022 allocate funds to the development of electric vehicle infrastructure and provide incentives for consumers and manufacturers related to their use or development of electric vehicles, and the adoption rate of electric vehicles in the U.S. has continued to accelerate, with projections for the future rate of adoption in some reports more than doubling in recent years. Any of these actions could result in fewer visits to convenience stores or independently operated commission agents and dealer locations, a reduction in demand from their wholesale customers, decreases in both fuel and merchandise sales revenue, or reduced profit margins, any of which could have a material adverse effect on Sunoco LP’s business, financial condition, results of operations and cash available for distribution to its unitholders.

Sunoco LP’s financial condition and results of operations are influenced by changes in the prices of motor fuel, which may adversely impact margins, customers’ financial condition and the availability of trade credit.

Sunoco LP’s operating results are influenced by prices for motor fuel. General economic and political conditions, acts of war or terrorism and instability in oil producing regions, particularly in the Middle East and South America, could significantly impact crude oil supplies and petroleum costs. Significant increases or high volatility in petroleum costs could impact consumer demand for motor fuel and convenience merchandise. Such volatility makes it difficult to predict the impact that future petroleum costs fluctuations may have on Sunoco LP’s operating results and financial condition. Sunoco LP is subject to dealer tank wagon pricing structures at certain locations further contributing to margin volatility. A significant change in any of these factors could materially impact both wholesale and retail fuel margins, the volume of motor fuel distributed or sold at retail, and overall customer traffic, each of which in turn could have a material adverse effect on Sunoco LP’s business, financial condition, results of operations and cash available for distribution to its unitholders.

Significant increases in wholesale motor fuel prices could impact Sunoco LP as some of their customers may have insufficient credit to purchase motor fuel from us at their historical volumes. Higher prices for motor fuel may also reduce access to trade credit support or cause it to become more expensive.

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The industries in which Sunoco LP operates are subject to seasonal trends, which may cause its operating costs to fluctuate, affecting its cash flow.

Sunoco LP relies in part on customer travel and spending patterns and may experience more demand for gasoline in the late spring and summer months than during the fall and winter. Travel, recreation and construction are typically higher in these months in the geographic areas in which Sunoco LP or its commission agents and dealers operate, increasing the demand for motor fuel that they sell and distribute. Therefore, Sunoco LP’s revenues and cash flows are typically higher in the second and third quarters of our fiscal year. As a result, Sunoco LP’s results from operations may vary widely from period to period, affecting Sunoco LP’s cash flow.

The dangers inherent in the storage and transportation of motor fuel could cause disruptions in Sunoco LP’s operations and could expose them to potentially significant losses, costs or liabilities.

Sunoco LP stores motor fuel in underground and aboveground storage tanks. Sunoco LP transports the majority of its motor fuel in its own trucks, instead of by third-party carriers. Sunoco LP’s operations are subject to significant hazards and risks inherent in transporting and storing motor fuel. These hazards and risks include, but are not limited to, traffic accidents, fires, explosions, spills, discharges, and other releases, any of which could result in distribution difficulties and disruptions, environmental pollution, governmentally-imposed fines or clean-up obligations, personal injury or wrongful death claims, and other damage to its properties and the properties of others. Any such event not covered by Sunoco LP’s insurance could have a material adverse effect on its business, financial condition, results of operations and cash available for distribution to its unitholders.

Sunoco LP’s fuel storage terminals are subject to operational and business risks which may adversely affect their financial condition, results of operations, cash flows and ability to make distributions to its unitholders.

Sunoco LP’s fuel storage terminals are subject to operational and business risks, the most significant of which include the following:

•the inability to renew a ground lease for certain of their fuel storage terminals on similar terms or at all;

•the dependence on third parties to supply their fuel storage terminals;

•outages at their fuel storage terminals or interrupted operations due to weather-related or other natural causes;

•the threat that the nation’s terminal infrastructure may be a future target of terrorist organizations;

•the volatility in the prices of the products stored at their fuel storage terminals and the resulting fluctuations in demand for storage services;

•the effects of a sustained recession or other adverse economic conditions;

•the possibility of federal and/or state regulations that may discourage their customers from storing gasoline, diesel fuel, ethanol and jet fuel at their fuel storage terminals or reduce the demand by consumers for petroleum products;

•competition from other fuel storage terminals that are able to supply their customers with comparable storage capacity at lower prices; and

•climate change legislation or regulations that restrict emissions of GHGs could result in increased operating and capital costs and reduced demand for our storage services.

The occurrence of any of the above situations, amongst others, may affect operations at their fuel storage terminals and may adversely affect Sunoco LP’s business, financial condition, results of operations, cash flows and ability to make distributions to its unitholders.

Negative events or developments associated with Sunoco LP’s branded suppliers could have an adverse impact on its revenues.

Sunoco LP believes that the success of its operations is dependent, in part, on the continuing favorable reputation, market value, and name recognition associated with the motor fuel brands sold at Sunoco LP’s convenience stores and at stores operated by its independent, branded dealers and commission agents. Erosion of the value of those brands could have an adverse impact on the volumes of motor fuel Sunoco LP distributes, which in turn could have a material adverse effect on its business, financial condition, results of operations and ability to make distributions to its unitholders.

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Sunoco LP currently depends on a limited number of principal suppliers in each of its operating areas for a substantial portion of its merchandise inventory and its products and ingredients for its food service facilities. A disruption in supply or a change in either relationship could have a material adverse effect on its business.

Sunoco LP currently depends on a limited number of principal suppliers in each of its operating areas for a substantial portion of its merchandise inventory and its products and ingredients for its food service facilities. If any of Sunoco LP’s principal suppliers elect not to renew their contracts, Sunoco LP may be unable to replace the volume of merchandise inventory and products and ingredients currently purchased from them on similar terms or at all in those operating areas. Further, a disruption in supply or a significant change in Sunoco LP’s relationship with any of these suppliers could have a material adverse effect on Sunoco LP’s business, financial condition and results of operations and cash available for distribution to its unitholders.

The wholesale motor fuel distribution industry and convenience store industry are characterized by intense competition and fragmentation and impacted by new entrants. Failure to effectively compete could result in lower margins.

The market for distribution of wholesale motor fuel is highly competitive and fragmented, which results in narrow margins. Sunoco LP has numerous competitors, some of which may have significantly greater resources and name recognition than it does. Sunoco LP relies on its ability to provide value-added, reliable services and to control its operating costs in order to maintain our margins and competitive position. If Sunoco LP fails to maintain the quality of its services, certain of its customers could choose alternative distribution sources and margins could decrease. While major integrated oil companies have generally continued to divest retail sites and the corresponding wholesale distribution to such sites, such major oil companies could shift from this strategy and decide to distribute their own products in direct competition with Sunoco LP, or large customers could attempt to buy directly from the major oil companies. The occurrence of any of these events could have a material adverse effect on Sunoco LP’s business, financial condition, results of operations and cash available for distribution to its unitholders.

The geographic areas in which Sunoco LP operates and supplies independently operated commission agent and dealer locations are highly competitive and marked by ease of entry and constant change in the number and type of retailers offering products and services of the type we and our independently operated commission agents and dealers sell in stores. Sunoco LP competes with other convenience store chains, independently owned convenience stores, motor fuel stations, supermarkets, drugstores, discount stores, dollar stores, club stores, mass merchants and local restaurants. Over the past two decades, several non-traditional retailers, such as supermarkets, hypermarkets, club stores and mass merchants, have impacted the convenience store industry, particularly in the geographic areas in which Sunoco LP operates, by entering the motor fuel retail business. These non-traditional motor fuel retailers have captured a significant share of the motor fuels market, and Sunoco LP expects their market share will continue to grow.

In some of Sunoco LP’s markets, its competitors have been in existence longer and have greater financial, marketing, and other resources than they or their independently operated commission agents and dealers do. As a result, Sunoco LP’s competitors may be able to better respond to changes in the economy and new opportunities within the industry. To remain competitive, Sunoco LP must constantly analyze consumer preferences and competitors’ offerings and prices to ensure that they offer a selection of convenience products and services at competitive prices to meet consumer demand. Sunoco LP must also maintain and upgrade our customer service levels, facilities and locations to remain competitive and attract customer traffic to our stores. Sunoco LP may not be able to compete successfully against current and future competitors, and competitive pressures faced by Sunoco LP could have a material adverse effect on its business, results of operations and cash available for distribution to its unitholders.

Sunoco LP may be subject to adverse publicity resulting from concerns over food quality, product safety, health or other negative events or developments that could cause consumers to avoid its retail locations or independently operated commission agent or dealer locations.

Sunoco LP may be the subject of complaints or litigation arising from food-related illness or product safety which could have a negative impact on its business. Negative publicity, regardless of whether the allegations are valid, concerning food quality, food safety or other health concerns, food service facilities, employee relations or other matters related to its operations may materially adversely affect demand for its food and other products and could result in a decrease in customer traffic to its retail stores or independently operated commission agent or dealer locations.

It is critical to Sunoco LP’s reputation that they maintain a consistent level of high quality at their food service facilities and other franchise or fast food offerings. Health concerns, poor food quality or operating issues stemming from one store or a limited number of stores could materially and adversely affect the operating results of some or all of their stores and harm the company-owned brands, continuing favorable reputation, market value and name recognition.

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Sunoco LP does not own all of the land on which its retail service stations are located, and Sunoco LP leases certain facilities and equipment, and Sunoco LP is subject to the possibility of increased costs to retain necessary land use which could disrupt its operations.

Sunoco LP does not own all of the land on which its retail service stations are located. Sunoco LP has rental agreements for approximately 33% of the company, commission agent or dealer operated retail service stations where Sunoco LP currently controls the real estate. Sunoco LP also has rental agreements for certain logistics facilities. As such, Sunoco LP is subject to the possibility of increased costs under rental agreements with landowners, primarily through rental increases and renewals of expired agreements. Sunoco LP is also subject to the risk that such agreements may not be renewed. Additionally, certain facilities and equipment (or parts thereof) used by Sunoco LP are leased from third parties for specific periods. Sunoco LP’s inability to renew leases or otherwise maintain the right to utilize such facilities and equipment on acceptable terms, or the increased costs to maintain such rights, could have a material adverse effect on its financial condition, results of operations and cash flows.

Sunoco LP is subject to federal laws related to the Renewable Fuel Standard.

New laws, new interpretations of existing laws, increased governmental enforcement of existing laws or other developments could require us to make additional capital expenditures or incur additional liabilities. For example, certain independent refiners have initiated discussions with the EPA to change the way the Renewable Fuel Standard (“RFS”) is administered in an attempt to shift the burden of compliance from refiners and importers to blenders and distributors. Under the RFS, which requires an annually increasing amount of biofuels to be blended into the fuels used by U.S. drivers, refiners/importers are obligated to obtain renewable identification numbers (“RINs”) either by blending biofuel into gasoline or through purchase in the open market. If the obligation was shifted from the importer/refiner to the blender/distributor, the Partnership would potentially have to utilize the RINs it obtains through its blending activities to satisfy a new obligation and would be unable to sell RINs to other obligated parties, which may cause an impact on the fuel margins associated with Sunoco LP’s sale of gasoline. In addition, the RFS regulations are highly complex and evolving, and the RINs market is subject to significant price volatility as a result. In December 2022, the EPA released a proposed rule under the RFS for renewable fuel volumes for the years 2023-2025 that further increases targets for the production of renewable fuels. Subject to certain limitations, EPA now has significant discretion to set renewable fuel targets under the RFS, which could result in increased compliance obligations on refiners and importers and transportation fuels. The price of RINs to meet compliance obligations under the RFS could be substantial and adversely impact our financial condition.

The occurrence of any of the events described above could have a material adverse effect on Sunoco LP’s business, financial condition, results of operations and cash available for distribution to its unitholders.

Sunoco LP is subject to federal, state and local laws and regulations that govern the product quality specifications of refined petroleum products it purchases, stores, transports, and sells to its distribution customers.

Various federal, state, and local government agencies have the authority to prescribe specific product quality specifications for certain commodities, including commodities that Sunoco LP distributes. Changes in product quality specifications, such as reduced sulfur content in refined petroleum products, or other more stringent requirements for fuels, could reduce Sunoco LP’s ability to procure product, require it to incur additional handling costs and/or require the expenditure of capital. If Sunoco LP is unable to procure product or recover these costs through increased selling price, it may not be able to meet its financial obligations. Failure to comply with these regulations could result in substantial penalties for Sunoco LP.

If third-party pipelines and other facilities interconnected to Sunoco LP’s fuel storage terminals and transmix processing facilities become partially or fully unavailable to transport refined products, Sunoco LP’s revenues could be adversely affected.

Sunoco LP depends upon third-party pipelines and other facilities that provide delivery options to and from its fuel storage terminals and transmix processing facilities. Since Sunoco LP does not own or operate these pipelines or other facilities, their continuing operation in their current manner is not within Sunoco LP’s control. If any of these third-party facilities become partially or fully unavailable, or if the quality specifications for their facilities change so as to restrict our ability to utilize them, Sunoco LP’s financial condition and results of operations could be adversely affected.

The third parties on whom Sunoco LP relies for transportation services to its fuel storage terminals and transmix processing facilities are subject to complex federal, state, and other laws that could adversely affect Sunoco LP’s financial condition and results of operations.

The operations of the third parties on whom Sunoco LP relies for transportation services are subject to complex and stringent laws and regulations that require obtaining and maintaining numerous permits, approvals and certifications from various federal, state and local government authorities. These third parties may incur substantial costs in order to comply with existing

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laws and regulations. If existing laws and regulations governing such third-party services are revised or reinterpreted, or if new laws and regulations become applicable to their operations, these changes may affect the costs that Sunoco LP pays for services. Similarly, a failure to comply with such laws and regulations by the third parties could have a material adverse effect on Sunoco LP’s financial condition and results of operations.

Failure of Sunoco LP to complete its acquisition of NuStar and successfully integrate the businesses of Sunoco LP and NuStar in the expected time frame could negatively impact the price of Sunoco LP’s common units and have a material adverse effect on its results of operations, cash flows and financial position.

If Sunoco LP’s acquisition of NuStar is not completed for any reason, including as a result of failure to obtain all requisite regulatory approvals or Sunoco LP’s unitholders failing to approve the applicable proposals, the anticipated benefits of the acquisition may not be realized or may take longer to realize than expected. The success of the merger will depend, in part, on the ability of Sunoco LP to realize the anticipated benefits from combining its business and NuStar. If Sunoco LP and NuStar are unable to successfully combine their businesses, the anticipated benefits of the merger may take longer to realize than expected. In addition, the actual integration may result in additional and unforeseen expenses, which could reduce the anticipated benefits of the merger.

Additionally, Sunoco LP would be subject to a number of risks, including the following:

•negative reactions from the financial markets, including negative impacts on the price of Sunoco LP’s common units;

•negative reactions from Sunoco LP’s customers, distributors, suppliers, vendors, landlords, joint venture partners and/or other business partners;

•Sunoco LP will still be obligated to pay certain significant costs relating to its acquisition of NuStar, such as legal, accounting, financing, advisory and/or printing fees;

•Sunoco LP may be obligated to pay a termination fee as required by the merger agreement governing the acquisition;

•the merger agreement governing the acquisition places certain restrictions on the conduct of Sunoco LP’s business, which may delay or prevent the undertaking of business opportunities that, absent the merger agreement governing the acquisition, may have been pursued;

•matters relating to Sunoco LP’s acquisition of NuStar (including integration planning) require substantial commitments of time and resources by Sunoco LP’s management, which may have resulted in the distraction from ongoing business operations and pursuing other opportunities that could have been beneficial;

•litigation related to any failure of Sunoco LP to complete its acquisition of NuStar or related to any enforcement proceeding commenced against Sunoco LP to perform its respective obligations under the merger agreement governing the acquisition; and

•loss of key employees, the disruption of each of Sunoco LP’s and NuStar’s ongoing businesses and relationships with customers, or inconsistencies in their standards, controls, procedures and policies.

If the acquisition is not completed, the risks described above may materialize and they may have a material adverse effect on Sunoco LP’s results of operations, cash flows, financial position and/or price of its common units.

USAC’s customers may choose to vertically integrate their operations by purchasing and operating their own compression fleet, increasing the number of compression units they currently own or using alternative technologies for enhancing crude oil production.

USAC’s customers that are significant producers, processors, gatherers and transporters of natural gas and crude oil may choose to vertically integrate their operations by purchasing and operating their own compression fleets in lieu of using USAC’s compression services. The historical availability of attractive financing terms from financial institutions and equipment manufacturers facilitates this possibility by making the purchase of individual compression units more affordable to USAC’s customers. In addition, there are many technologies available for the artificial enhancement of crude oil production, and USAC’s customers may elect to use these alternative technologies instead of the gas lift compression services USAC provides. Such vertical integration, increases in vertical integration or use of alternative technologies could result in decreased demand for USAC’s compression services, which may have a material adverse effect on its business, results of operations, financial condition and reduce its cash available for distribution.

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A significant portion of USAC’s services are provided to customers on a month-to-month basis, and USAC cannot be sure that such customers will continue to utilize its services.

USAC’s contracts typically have initial terms between six months to five years, depending on the application and location of the compression unit. After the expiration of the initial term, the contract continues on a month-to-month or longer basis until terminated by USAC or USAC’s customers upon notice as provided for in the applicable contract. For the year ended December 31, 2023, approximately 22% of USAC’s compression services on a revenue basis were provided on a month-to-month basis to customers who continue to utilize its services following expiration of the primary term of their contracts. These customers can generally terminate their month-to-month compression services contracts on 30-days’ written notice. If a significant number of these customers were to terminate their month-to-month services, or attempt to renegotiate their month-to-month contracts at substantially lower rates, it could have a material adverse effect on USAC’s business, results of operations, financial condition and cash available for distribution.

USAC’s preferred units have rights, preferences and privileges that are not held by, and are preferential to the rights of, holders of its common units.

USAC’s preferred units rank senior to all of its other classes or series of equity securities with respect to distribution rights and rights upon liquidation. These preferences could adversely affect the market price for its common units or could make it more difficult for USAC to sell its common units in the future.

In addition, distributions on USAC’s preferred units accrue and are cumulative, at the rate of 9.75% per annum on the original issue price, which amounts to a quarterly distribution of $24.375 per preferred unit. If USAC does not pay the required distributions on its preferred units, USAC will be unable to pay distributions on its common units. Additionally, because distributions on USAC’s preferred units are cumulative, USAC will have to pay all unpaid accumulated distributions on the preferred units before USAC can pay any distributions on its common units. Also, because distributions on USAC’s common units are not cumulative, if USAC does not pay distributions on its common units with respect to any quarter, USAC’s common unitholders will not be entitled to receive distributions covering any prior periods if USAC later recommences paying distributions on its common units.

USAC’s preferred units are convertible into common units by the holders of USAC’s preferred units or by USAC in certain circumstances. USAC’s obligation to pay distributions on USAC’s preferred units, or on the common units issued following the conversion of USAC’s preferred units, could impact USAC’s liquidity and reduce the amount of cash flow available for working capital, capital expenditures, growth opportunities, acquisitions and other general Partnership purposes. USAC’s obligations to the holders of USAC’s preferred units could also limit its ability to obtain additional financing or increase its borrowing costs, which could have an adverse effect on its financial condition.

Risks Related to Conflicts of Interest

The fiduciary duties of our general partner’s officers and directors may conflict with those of Sunoco LP’s or USAC’s respective general partners.

Conflicts of interest may arise because of the relationships among Sunoco LP, USAC, their general partners and us. Our General Partner’s directors and officers have fiduciary duties to manage our business in a manner beneficial to us and our Unitholders. Some of our general partner’s directors or officers are also directors and/or officers of Sunoco LP’s general partner or USAC’s general partner, and have fiduciary duties to manage the respective businesses of Sunoco LP and USAC in a manner beneficial to Sunoco LP, USAC and their respective unitholders. The resolution of these conflicts may not always be in our best interest or that of our Unitholders.

Although we control Sunoco LP and USAC through our ownership of Sunoco LP’s and USAC’s general partners, Sunoco LP’s and USAC’s general partners owe duties to Sunoco LP and Sunoco LP’s unitholders and USAC and USAC’s unitholders, respectively, which may conflict with our interests.

Conflicts of interest exist and may arise in the future as a result of the relationships between us and our affiliates, on the one hand, and Sunoco LP and USAC and their respective limited partners, on the other hand. The directors and officers of Sunoco LP’s and USAC’s general partners have duties to manage Sunoco LP and USAC, respectively, in a manner beneficial to us. At the same time, the general partners have fiduciary duties to manage Sunoco LP and USAC in a manner beneficial to Sunoco LP and USAC and their respective limited partners. The boards of directors of Sunoco LP’s and USAC’s general partner will resolve any such conflict and have broad latitude to consider the interests of all parties to the conflict. The resolution of these conflicts may not always be in our best interest.

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For example, conflicts of interest with Sunoco LP and USAC may arise in the following situations:

•the allocation of shared overhead expenses to Sunoco LP, USAC and us;

•the interpretation and enforcement of contractual obligations between us and our affiliates, on the one hand, and Sunoco LP and USAC, on the other hand;

•the determination of the amount of cash to be distributed to Sunoco LP’s and USAC’s partners and the amount of cash to be reserved for the future conduct of Sunoco LP’s and USAC’s businesses;

•the determination whether to make borrowings under Sunoco LP’s and USAC’s revolving credit facilities to pay distributions to their respective partners;

•the determination of whether a business opportunity (such as a commercial development opportunity or an acquisition) that we may become aware of independently of Sunoco LP and USAC is made available for Sunoco LP and USAC to pursue; and

•any decision we make in the future to engage in business activities independent of Sunoco LP and USAC.

Potential conflicts of interest may arise among our general partner, its affiliates and us. Our general partner and its affiliates have limited fiduciary duties to us, which may permit them to favor their own interests to the detriment of us.

Conflicts of interest may arise among our general partner and its affiliates, on the one hand, and us, on the other hand. As a result of these conflicts, our general partner may favor its own interests and the interests of its affiliates over our interests. These conflicts include, among others, the following:

•our general partner is allowed to take into account the interests of parties other than us, including Sunoco LP and USAC, and their respective affiliates and any general partners and limited partnerships acquired in the future, in resolving conflicts of interest, which has the effect of limiting its fiduciary duties to us.

•our general partner has limited its liability and reduced its fiduciary duties under the terms of our Partnership Agreement, while also restricting the remedies available for actions that, without these limitations, might constitute breaches of fiduciary duty. As a result of purchasing our units, Unitholders consent to various actions and conflicts of interest that might otherwise constitute a breach of fiduciary or other duties under applicable state law.

•our general partner determines the amount and timing of our investment transactions, borrowings, issuances of additional partnership securities and reserves, each of which can affect the amount of cash that is available for distribution.

•our general partner determines which costs it and its affiliates have incurred are reimbursable by us.

•our Partnership Agreement does not restrict our general partner from causing us to pay it or its affiliates for any services rendered, or from entering into additional contractual arrangements with any of these entities on our behalf, so long as the terms of any such payments or additional contractual arrangements are fair and reasonable to us.

•our general partner controls the enforcement of obligations owed to us by it and its affiliates.

•our general partner decides whether to retain separate counsel, accountants or others to perform services for us.

Our Partnership Agreement limits our general partner’s fiduciary duties to us and restricts the remedies available for actions taken by our general partner that might otherwise constitute breaches of fiduciary duty.

Our Partnership Agreement contains provisions that reduce the standards to which our general partner would otherwise be held by state fiduciary duty law. For example, our Partnership Agreement:

•permits our general partner to make a number of decisions in its individual capacity, as opposed to in its capacity as our general partner. This entitles our general partner to consider only the interests and factors that it desires, and it has no duty or obligation to give any consideration to any interest of, or factors affecting, us, our affiliates or any limited partner;

•provides that our general partner is entitled to make other decisions in “good faith” if it reasonably believes that the decisions are in our best interests;

•generally provides that affiliated transactions and resolutions of conflicts of interest not approved by a conflicts committee of the board of directors of our general partner and not involving a vote of Unitholders must be on terms no less favorable to us than those generally being provided to or available from unrelated third parties or be “fair and reasonable” to us and that, in determining whether a transaction or resolution is “fair and reasonable,” our general partner may consider the totality of the relationships among the parties involved, including other transactions that may be particularly favorable or advantageous to us;

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•provides that unless our general partner has acted in bad faith, the action taken by our general partner shall not constitute a breach of its fiduciary duty;

•provides that our general partner may resolve any conflicts of interest involving us and our general partner and its affiliates, and any resolution of a conflict of interest by our general partner that is “fair and reasonable” to us will be deemed approved by all partners, including the Unitholders, and will not constitute a breach of the Partnership Agreement;

•provides that our general partner may, but is not required, in connection with its resolution of a conflict of interest, to seek “special approval” of such resolution by appointing a conflicts committee of the general partner’s board of directors composed of two or more independent directors to consider such conflicts of interest and to recommend action to the board of directors, and any resolution of the conflict of interest by the conflicts committee shall be conclusively deemed “fair and reasonable” to us; and

•provides that our general partner and its officers and directors will not be liable for monetary damages to us, our limited partners or assignees for any acts or omissions unless there has been a final and non-appealable judgment entered by a court of competent jurisdiction determining that the general partner or those other persons acted in bad faith or engaged in fraud, willful misconduct or gross negligence.

Our general partner’s absolute discretion in determining the level of cash reserves may adversely affect our ability to make cash distributions to our Unitholders.

Our Partnership Agreement requires our general partner to deduct from operating surplus cash reserves that in its reasonable discretion are necessary to fund our future operating expenditures. In addition, our Partnership Agreement permits our general partner to reduce available cash by establishing cash reserves for the proper conduct of our business, to comply with applicable law or agreements to which we are a party or to provide funds for future distributions to partners. These cash reserves will affect the amount of cash available for distribution to Unitholders.

Affiliates of our general partner may compete with us.

Except as provided in our Partnership Agreement, affiliates and related parties of our general partner are not prohibited from engaging in other businesses or activities, including those that might be in direct competition with us.

Tax Risks to Unitholders

Our tax treatment depends on our continuing status as a partnership for federal income tax purposes, as well as our not being subject to a material amount of entity-level taxation. If the IRS were to treat us and our subsidiaries, including Sunoco LP and USAC as a corporation for federal income tax purposes or if we, Sunoco LP or USAC become subject to a material amount of entity-level taxation for state tax purposes, then our cash available for distribution would be substantially reduced.

The anticipated after-tax economic benefit of an investment in our units depends largely on our being treated as a partnership for federal income tax purposes. We have not requested, and do not plan to request, a ruling from the IRS on this matter. The value of our investments in Sunoco LP and USAC, depend largely on Sunoco LP and USAC being treated as partnerships for federal income tax purposes. Despite the fact that we, Sunoco LP and USAC are each a limited partnership under Delaware law, we would each be treated as a corporation for federal income tax purposes unless we satisfy a “qualifying income” requirement. Based upon our current operations and current Treasury Regulations, we believe we, Sunoco LP and USAC satisfy the qualifying income requirement. Failing to meet the qualifying income requirement or a change in current law could cause us, Sunoco LP or USAC to be treated as a corporation for federal income tax purposes or otherwise subject us to taxation as an entity.

If we, Sunoco LP or USAC were treated as a corporation for federal income tax purposes, we would pay federal income tax at the corporate tax rate and we would likely pay additional state income taxes at varying rates. Distributions to Unitholders would generally be taxed again as corporate distributions, and none of our income, gains, losses or deductions would flow through to Unitholders. Because a tax would be imposed upon us as a corporation, our cash available for distribution to Unitholders would be substantially reduced. Therefore, treatment of us as a corporation would result in a material reduction in the anticipated cash flow and after-tax return to the Unitholders, likely causing a substantial reduction in the value of our units.

At the state level, several states have been evaluating ways to subject partnerships to entity-level taxation through the imposition of state income, franchise, or other forms of taxation. We currently own property or conduct business in many states that impose a margin or franchise tax. In the future, we may expand our operations. Imposition of a similar tax on us in the jurisdictions in which we operate or in other jurisdictions to which we may expand could substantially reduce our cash available for distribution to our Unitholders. Our Partnership Agreement provides that if a law is enacted or existing law is modified or interpreted in a manner that subjects us to taxation as a corporation or otherwise subjects us to entity-level taxation for U.S.

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federal, state, local or foreign income tax purposes, the target distribution amounts may be adjusted to reflect the impact of that law or interpretation on us.

The tax treatment of publicly traded partnerships or an investment in our units could be subject to potential legislative, judicial or administrative changes or differing interpretations, possibly applied on a retroactive basis.

The present United States federal income tax treatment of publicly traded partnerships, including us, or an investment in our units may be modified by administrative, legislative or judicial changes or differing interpretations at any time. Members of Congress have frequently proposed and considered substantive changes to the existing United States federal income tax laws that affect publicly traded partnerships, including proposals that would eliminate our ability to qualify for partnership tax treatment. Recent proposals have provided for the expansion of the qualifying income exception for publicly traded partnerships in certain circumstances and other proposals have provided for the total elimination of the qualifying income exception upon which we rely for our partnership tax treatment. Further, while Unitholders of publicly traded partnerships are, subject to certain limitations, entitled to a deduction equal to 20% of their allocable share of a publicly traded partnership’s “qualified business income,” this deduction is scheduled to expire with respect to taxable years beginning after December 31, 2025.

In addition, the U.S. Department of the Treasury has issued, and in the future may issue, regulations interpreting those laws that affect publicly traded partnerships. There can be no assurance that there will not be further changes to United States federal income tax laws or the U.S. Department of the Treasury’s interpretation of the qualifying income rules in a manner that could impact our ability to qualify as a partnership in the future.

Any modification to the United States federal income tax laws and interpretations thereof may or may not be retroactively applied and could make it more difficult or impossible for us to meet the exception for certain publicly traded partnerships to be treated as partnerships for United States federal income tax purposes. We are unable to predict whether any changes or other proposals will ultimately be enacted. Any future legislative changes could negatively impact the value of an investment in our units. You are urged to consult with your own tax advisor with respect to the status of regulatory or administrative developments and proposals and their potential effect on your investment in our units.

If the IRS contests the federal income tax positions we take, the market for our units may be adversely affected and the costs of any such contest will reduce cash available to pay our debt securities and for distributions to our Unitholders.

We have not requested a ruling from the IRS with respect to our treatment as a partnership for federal income tax purposes. The IRS may adopt positions that differ from the positions we take. It may be necessary to resort to administrative or court proceedings to sustain some or all of the positions we take. A court may not agree with some or all of the positions we take. Any contest with the IRS may materially and adversely impact the market for our units, and the prices at which they trade. In addition, the costs of any contest between us and the IRS will result in a reduction in our cash available to pay our debt securities and for distribution to our Unitholders and thus will be borne indirectly by our Unitholders.

If the IRS makes audit adjustments to our income tax returns, it (and some states) may assess and collect any taxes (including any applicable penalties and interest) resulting from such audit adjustments directly from us, in which case our cash available to pay our debt securities and for distribution to our Unitholders might be substantially reduced.

If the IRS makes audit adjustments to our income tax returns, it (and some states) may assess and collect any taxes (including any applicable penalties and interest) resulting from such audit adjustment directly from us. To the extent possible, our general partner may elect to either pay the taxes (including any applicable penalties and interest) directly to the IRS or, if we are eligible, issue an information statement to each Unitholder and former Unitholder with respect to an audited and adjusted return. Although our general partner may elect to have our Unitholders and former Unitholders take such audit adjustment into account and pay any resulting taxes (including applicable penalties or interest) in accordance with their interests in us during the tax year under audit, there can be no assurance that such election will be practical, permissible or effective in all circumstances. As a result, our current Unitholders may bear some or all of the tax liability resulting from such audit adjustment, even if such Unitholders did not own units in us during the tax year under audit. If, as a result of any such audit adjustment, we are required to make payments of taxes, penalties and interest, our cash available for distribution to our Unitholders might be substantially reduced.

Unitholders are required to pay taxes on their share of our income even if they do not receive any cash distributions from us.

Our Unitholders are required to pay any federal income taxes and, in some cases, state and local income taxes on their share of our taxable income whether or not they receive cash distributions from us. Our Unitholders may not receive cash distributions from us equal to their share of our taxable income or even equal to the actual tax liability that results from that income.

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Tax gain or loss on disposition of our units could be more or less than expected.

If a Unitholder sells their units, the Unitholder will recognize a gain or loss equal to the difference between the amount realized and that Unitholder’s tax basis in those units. Because distributions in excess of a Unitholder’s allocable share of our net taxable income decrease such Unitholder’s tax basis in their units, the amount, if any, of such prior excess distributions with respect to the units a Unitholder sells will, in effect, become taxable income to a Unitholder if such units are sold at a price greater than their tax basis in those units, even if the price such Unitholder receives is less than their original costs. In addition, because the amount realized includes a Unitholder’s share of our nonrecourse liabilities, if a Unitholder sells their units, a Unitholder may incur a tax liability in excess of the amount of cash received from the sale.

A substantial portion of the amount realized from a Unitholder’s sale of their units, whether or not representing gain, may be taxed as ordinary income to such Unitholder due to potential recapture items, including depreciation recapture. Thus, a Unitholder may recognize both ordinary income and capital loss from the sale of Common Units if the amount realized on a sale of such units is less than such Unitholder’s adjusted basis in the units. Net capital loss may only offset capital gains and, in the case of individuals, up to $3,000 of ordinary income per year. In the taxable period in which a Unitholder sells their units, such Unitholder may recognize ordinary income from our allocations of income and gain to such Unitholder prior to the sale and from recapture items that generally cannot be offset by any capital loss recognized upon the sale of units.

Tax-exempt entities face unique tax issues from owning our units that may result in adverse tax consequences to them.

Investment in our units by tax-exempt entities, such as employee benefit plans and individual retirement accounts (known as IRAs) raises issues unique to them. For example, virtually all of our income allocated to organizations that are exempt from United States federal income tax, including IRAs and other retirement plans, will be unrelated business taxable income and will be taxable to them. Additionally, all or part of any gain recognized by such tax-exempt organization upon a sale or other disposition of our units may be unrelated business taxable income and may be taxable to them. Tax-exempt entities should consult a tax advisor before investing in our units.

Non-United States Unitholders will be subject to United States taxes and withholding with respect to their income and gain from owning our units.

Non-United States Unitholders are generally taxed and subject to income tax filing requirements by the United States on income effectively connected with a United States trade or business (“effectively connected income”). Income allocated to our Unitholders and any gain from the sale of our units will generally be considered to be “effectively connected” with a United States trade or business. As a result, distributions to a non-United States Unitholder will be subject to withholding at the highest applicable effective tax rate and a non-United States Unitholder who sells or otherwise disposes of a unit will also be subject to United States federal income tax on the gain realized from the sale or disposition of that unit. In addition to the withholding tax imposed on distributions of effectively connected income, distributions to a non-U.S. unitholder will also be subject to a 10% withholding tax on the amount of any distribution in excess of our cumulative net income. We intend to treat all of our distributions as being in excess of our cumulative net income for such purposes and subject to such 10% withholding tax. Accordingly, distributions to a non-U.S. unitholder will be subject to a combined withholding tax rate equal to the sum of the highest applicable effective tax rate and 10%.

Moreover, the transferee of an interest in a partnership that is engaged in a United States trade or business is generally required to withhold 10% of the “amount realized” by the transferor unless the transferor certifies that it is not a foreign person. While the determination of a partner’s “amount realized” generally includes any decrease of a partner’s share of the partnership’s liabilities, the Treasury regulations provide that the “amount realized” on a transfer of an interest in a publicly traded partnership, such as our units, will generally be the amount of gross proceeds paid to the broker effecting the applicable transfer on behalf of the transferor, and thus will be determined without regard to any decrease in that partner’s share of a publicly traded partnership’s liabilities. For a transfer of interests in a publicly traded partnership that is effected through a broker, the obligation to withhold is imposed on the transferor’s broker. Current and prospective non-U.S. unitholders should consult their tax advisors regarding the impact of these rules on an investment in our units.

We have subsidiaries that will be treated as corporations for federal income tax purposes and subject to corporate-level income taxes.

Even though we (as a partnership for United States federal income tax purposes) are not subject to United States federal income tax, some of our operations are conducted through subsidiaries that are organized as corporations for United States federal income tax purposes. The taxable income, if any, of subsidiaries that are treated as corporations for United States federal income tax purposes, is subject to corporate-level United States federal income taxes, which may reduce the cash available for distribution to us and, in turn, to our Unitholders. If the IRS or other state or local jurisdictions were to successfully assert that these corporations have more tax liability than we anticipate or legislation was enacted that increased the corporate tax rate, the

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cash available for distribution could be further reduced. The income tax return filings positions taken by these corporate subsidiaries require significant judgment, use of estimates, and the interpretation and application of complex tax laws. Significant judgment is also required in assessing the timing and amounts of deductible and taxable items. Despite our belief that the income tax return positions taken by these subsidiaries are fully supportable, certain positions may be successfully challenged by the IRS, state or local jurisdictions.

We treat each purchaser of units as having the same tax benefits without regard to the actual units purchased. The IRS may challenge this treatment, which could result in a Unitholder owing more tax and may adversely affect the value of the units.

Because we cannot match transferors and transferees of units and because of other reasons, we have adopted certain methods for allocating depreciation, depletion and amortization that may not conform to all aspects of existing Treasury Regulations. A successful IRS challenge to the use of these methods could adversely affect the amount of tax benefits available to our Unitholders. It also could affect the timing of these tax benefits or the amount of gain from the sale of units and could have a negative impact on the value of our units or result in audit adjustments to tax returns of our Unitholders. Moreover, because we have subsidiaries that are organized as C corporations for federal income tax purposes, a successful IRS challenge could result in these subsidiaries having a greater tax liability than we anticipate and, therefore, reduce the cash available for distribution to our partnership and, in turn, to our Unitholders.

We generally prorate our items of income, gain, loss and deduction between transferors and transferees of our units each month based upon the ownership of our units on the first business day of each month, instead of on the basis of the date a particular unit is transferred. The IRS may challenge aspects of our proration method, and if successful, we would be required to change the allocation of items of income, gain, loss and deduction among our Unitholders.

We generally prorate our items of income, gain, loss and deduction between transferors and transferees of our units each month based upon the ownership of our units on the first business day of each month (the “Allocation Date”), instead of on the basis of the date a particular unit is transferred. Similarly, we generally allocate (i) certain deductions for depreciation of capital additions, (ii) gain or loss realized on a sale or other disposition of our assets and (iii) in the discretion of the general partner, any other extraordinary item of income, gain, loss or deduction based upon ownership on the Allocation Date. Treasury Regulations allow a similar monthly simplifying convention, but such regulations do not specifically authorize all aspects of the proration method we have adopted. If the IRS were to challenge our proration method, we may be required to change the allocation of items of income, gain, loss and deduction among our Unitholders.

A Unitholder whose common or preferred units are the subject of a securities loan (e.g. a loan to a short seller to cover a short sale of common or preferred units) may be considered as having disposed of those units. If so, such Unitholder would no longer be treated for tax purposes as a partner with respect to those units during the period of the loan and may recognize gain or loss from the disposition.

Because there are no specific rules governing the federal income tax consequences of loaning a partnership interest, a Unitholder whose units are the subject of a securities loan may be considered as having disposed of the loaned units. In that case, the Unitholder may no longer be treated for tax purposes as a partner with respect to those units during the period of the loan to the short seller, and the Unitholder and may recognize gain or loss from such disposition. Moreover, during the period of the loan, any of our income, gain, loss or deduction with respect to those units may not be reportable by the Unitholder and any cash distributions received by the Unitholder as to those units could be fully taxable as ordinary income. Unitholders desiring to assure their status as partners and avoid the risk of gain recognition from a securities loan are urged to consult a tax advisor to determine whether it is advisable to modify any applicable brokerage account agreements to prohibit their brokers from borrowing their units.

We have adopted certain valuation methodologies in determining Unitholder’s allocations of income, gain, loss and deduction. The IRS may challenge these methods or the resulting allocations, and such a challenge could adversely affect the value of our Common Units.

When we issue additional units or engage in certain other transactions, we determine the fair market value of our assets and allocate any unrealized gain or loss attributable to such assets to the capital accounts of our Unitholders and our general partner. Although we may from time to time consult with professional appraisers regarding valuation matters, including the valuation of our assets, we make many of the fair market value estimates of our assets ourselves using a methodology based on the market value of our Common Units as a means to measure the fair market value of our assets. Our methodology may be viewed as understating the value of our assets. In that case, there may be a shift of income, gain, loss and deduction between certain Unitholders and our general partner, which may be unfavorable to such Unitholders. Moreover, under our current valuation methods, subsequent purchasers of our Common Units may have a greater portion of their Internal Revenue Code Section 743(b) adjustment allocated to our tangible assets and a lesser portion allocated to our intangible assets. The IRS may challenge

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our valuation methods, or our allocation of Section 743(b) adjustment attributable to our tangible and intangible assets, and allocations of income, gain, loss and deduction between our general partner and certain of our Unitholders.

A successful IRS challenge to these methods or allocations could adversely affect the amount of taxable income or loss being allocated to our Unitholders. It also could affect the amount of gain on the sale of Common Units by our Unitholders and could have a negative impact on the value of our Common Units or result in audit adjustments to the tax returns of our Unitholders without the benefit of additional deductions.

Unitholders will likely be subject to state and local taxes and income tax return filing requirements in jurisdictions where they do not live as a result of investing in our units.

In addition to United States federal income taxes, the Unitholders may be subject to other taxes, including state and local taxes, unincorporated business taxes and estate, inheritance or intangible taxes that are imposed by the various jurisdictions in which we or our subsidiaries conduct business or own property now or in the future, even if they do not live in any of those jurisdictions. Unitholders will likely be required to file state and local income tax returns and pay state and local income taxes in some or all of these various jurisdictions. Further, Unitholders may be subject to penalties for failure to comply with those requirements. It is the responsibility of each Unitholder to file all federal, state and local tax returns.

Unitholders may be subject to limitation on their ability to deduct interest expense incurred by us.

In general, we are entitled to a deduction for interest paid or accrued on indebtedness properly allocable to our trade or business during our taxable year. However, our deduction for “business interest” is generally limited to the sum of our business interest income and 30% of our “adjusted taxable income.” For the purposes of this limitation, adjusted taxable income is computed without regard to any business interest expense or business interest income.

If our “business interest” is subject to limitation under these rules, our Unitholders will be limited in their ability to deduct their share of any interest expense that has been allocated to them. As a result, Unitholders may be subject to limitation on their ability to deduct interest expense incurred by us.

The treatment of Energy Transfer Preferred Units is uncertain, and distributions on Energy Transfer Preferred Units (other than Series I Preferred Units) may not be eligible for the 20% deduction for qualified publicly traded partnership income.

The tax treatment of our Preferred Units is uncertain. With respect to Preferred Units (other than Series I Preferred Units), we will treat Preferred Unitholders as partners for tax purposes and will treat distributions on such Preferred Units as guaranteed payments for the use of capital that will generally be taxable to such Preferred Unitholders as ordinary income. Preferred Unitholders of our Preferred Units (other than Series I Preferred Units) will recognize taxable income from the accrual of such a guaranteed payment (even in the absence of a contemporaneous cash distribution). Otherwise, except in the case of our liquidation, Preferred Unitholders of our Preferred Units (other than Series I Preferred Units) are generally not anticipated to share in our items of income, gain, loss or deduction, nor will we allocate any share of our nonrecourse liabilities to such Preferred Unitholders. If the Energy Transfer Preferred Units (other than Series I Preferred Units) were treated as indebtedness for tax purposes, rather than as guaranteed payments for the use of capital, distributions likely would be treated as payments of interest by us to Preferred Unitholders.

Although we expect that much of the income we earn will be eligible for the 20% deduction for qualified publicly traded partnership income for taxable years beginning after December 31, 2025, the Treasury Regulations provide that income attributable to a guaranteed payment for the use of capital is not eligible for the 20% deduction for qualified business income. As a result income attributable to a guaranteed payment for use of capital recognized by holders of our Preferred Units is not eligible for the 20% deduction for qualified business income.

With respect to Series I Preferred Units, we will treat distributions as distributions to a partner and will treat Preferred Unitholders that hold Series I Preferred Units (the “Series I Preferred Unitholders”) as receiving an allocable share of gross income from us, to the extent we have sufficient gross income to make such allocations. In the event there is not sufficient gross income to match such distributions, the distributions on the Series I Preferred Units would reduce the capital accounts of the Series I Preferred Units, requiring a subsequent allocation of income or gain to provide the Series I Preferred Units with their liquidation preference, if possible. However, if the IRS were to determine that such distributions were guaranteed payments for the use of capital, the distributions would generally be taxable to each of the Series I Preferred Unitholders as ordinary income and the Series I Preferred Unitholders would recognize taxable income from the accrual of such guaranteed payment (even in the absence of a contemporaneous cash distribution), as described above with respect to Preferred Units (other than Series I Preferred Units). If the Series I Preferred Units are not treated as partnership interests, they would likely constitute indebtedness for tax purposes, and distributions on the Series I Preferred Units likely would be treated as payments of interest by us to such Series I Preferred Unitholders.

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A Preferred Unitholder will be required to recognize gain or loss on a sale of Energy Transfer Preferred Units equal to the difference between the amount realized by such Preferred Unitholder and such Preferred Unitholder’s tax basis in the Energy Transfer Preferred Units sold. The amount realized generally will equal the sum of the cash and the fair market value of other property such Preferred Unitholder receives in exchange for such Energy Transfer Preferred Units. Subject to general rules requiring a blended basis among multiple partnership interests and the rules applicable in determining the exchanged tax basis of a Series I Preferred Unit received by a Unitholder pursuant to the Crestwood acquisition, the tax basis of a Preferred Unit will generally be equal to the sum of the cash and the fair market value of other property paid by the Preferred Unitholder to acquire such Energy Transfer Preferred Units. Gain or loss recognized by a Preferred Unitholder on the sale or exchange of Energy Transfer Preferred Units held for more than one year generally will be taxable as long-term capital gain or loss. Because Preferred Unitholders will generally not be allocated a share of our items of depreciation, depletion or amortization, it is not anticipated that such Preferred Unitholders would be required to recharacterize any portion of their gain as ordinary income as a result of the recapture rules.

Investment in our Preferred Units by tax-exempt investors, such as employee benefit plans and individual retirement accounts, and non-United States persons raises issues unique to them. With respect to Preferred Units (other than Series I Preferred Units), the treatment of guaranteed payments for the use of capital to tax-exempt investors is not certain and such payments may be treated as unrelated business taxable income for federal income tax purposes. With respect to Series I Preferred Units, virtually all of our gross income allocated to tax-exempt investors will be unrelated business taxable income and will be taxable to them. Distributions to non-United States Preferred Unitholders will be subject to withholding taxes. If the amount of withholding exceeds the amount of United States federal income tax actually due, non-United States Preferred Unitholders may be required to file United States federal income tax returns in order to seek a refund of such excess.

All Preferred Unitholders are urged to consult a tax advisor with respect to the consequences of owning Energy Transfer Preferred Units.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None.

ITEM 1C. CYBERSECURITY

Description of Processes for Assessing, Identifying and Managing Cybersecurity Risks

The information and operational technology infrastructure we use is important to the operation of our business and to our ability to perform day-to-day operations. In the normal course of business, we may collect and store certain sensitive information of the Partnership, including proprietary and confidential business information, trade secrets, intellectual property, sensitive third-party and employee information, and certain personally identifiable information.

The Partnership maintains a shared services cybersecurity program for assessing, identifying and managing material risks from cybersecurity threats. This program includes processes that are modeled after the National Institute of Standards and Technology’s Cybersecurity Framework and focuses on using business drivers to guide cybersecurity activities. This program is managed by a team of full-time employees, overseen by our Chief Information Officer, that are tasked with conducting our day-to-day information technology (“IT”) operations (collectively, the “IT team”). Furthermore, the Partnership considers cybersecurity risks as part of, and has incorporated its cybersecurity program into, the Partnership’s overall risk management processes. Through engagement with the guidance of the Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), Transportation Security Administration (TSA) and the U.S. Coast Guard (USCG), we seek to follow industry cybersecurity standards and protect our infrastructure against cyber attacks from domestic and international threats.

We seek to use a defense-in-depth approach for cybersecurity management, layers of technology, policies and training at all levels of the enterprise designed to keep the Partnership’s assets secure and operational. We use various processes as part of our efforts to maintain the confidentiality, integrity and availability of our systems, including security threat intelligence, incident response, identity and access management, supply-chain security assessments, endpoint extended detection and response protection, network segmentation, data encryption, event monitoring and a Security Operations Center (SOC). In an effort to validate the effectiveness of our cybersecurity program and assess such program’s compliance with legal and regulatory requirements, we engage third-party service providers to perform audits, assessments and penetration tests.

Cybersecurity awareness among our employees is promoted with regular training and awareness programs. All employees who have access to our systems are required to undergo annual cybersecurity training and, each year, our employees must review and acknowledge our cybersecurity policies. Further, our IT team is trained to understand how to manage, use and protect personally identifiable information. User access controls have been implemented to limit unauthorized access to sensitive

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information and critical systems. Employees are required to use multifactor authentication and keep their passwords confidential, among other measures.

We recognize that third-party service providers may introduce cybersecurity risks. In an effort to mitigate these risks, before contracting with certain technology service providers, when possible, we conduct due diligence to evaluate their cybersecurity capabilities. Additionally, we endeavor to include cybersecurity requirements in our contracts with these providers and endeavor to require them to adhere to security standards and protocols. Further, we also endeavor to engage with any third-party service providers with access to personally identifiable employee information to evaluate their security controls.

Finally, the Partnership maintains cybersecurity insurance coverage.

Impact of Risks from Cybersecurity Threats

As of the date of this Annual Report on Form 10-K, though the Partnership and our service providers have experienced certain cybersecurity incidents, we are not aware of any previous cybersecurity threats that have materially affected the Partnership, either financially or operationally. Cybersecurity incident response is a component of both the Partnership’s cybersecurity program and the Partnership’s business continuity plans, which are designed to limit service interruptions and provide for continued business operation in the event of disaster, whether physical, environmental or cyber in nature. However, we recognize that cybersecurity threats are continually evolving, and there remains a risk that a cybersecurity incident could potentially negatively impact the Partnership. Despite the implementation of our cybersecurity processes, we cannot guarantee that a significant cybersecurity attack will not occur. A successful attack on our information system or operational technology system could have significant consequences to the business, including the interruption of key services that our customers depend on. While we devote resources to our security measures to protect our systems and information, these measures cannot provide absolute security. Due to the number of acquisitions made by the Partnership over the past few years and the time it takes to implement technology standards across the enterprise, certain assets may be in different stages of integration and may have incomplete cybersecurity controls applied. For additional information on cybersecurity risks, see “Item 1A. Risk Factors—Cybersecurity attacks, data breaches and other disruptions affecting us, our service providers, could materially and adversely affect our business, operations, reputation, and financial results; and —Our operations could be disrupted if our information systems fail, causing increased expenses and loss of sales.”

Board of Directors’ Oversight and Management’s Role

Our Chief Information Officer oversees the Partnership’s functions of IT, cybersecurity, infrastructure and IT governance (including the Partnership’s IT team) and has more than 35 years of experience leading business technology functions. The Partnership’s IT team is responsible for our efforts to comply with applicable cybersecurity standards, establish effective cybersecurity protocols and protect the integrity, confidentiality and availability of our IT infrastructure. The members of this team have over 50 years of combined experience in the field of IT, including 20 years dedicated to cybersecurity, and hold various certifications, including Global Industrial Cyber Security Professional (GICSP), Certified Information Systems Security Professional (CISSP) and Certified Ethical Hacker (CEH) certifications. This team is responsible for cybersecurity threat prevention, detection, mitigation and remediation for the combined organization. Our cyber incident response plan requires IT team members who detect suspicious activity in our IT environment to escalate that activity to a supervisor who then evaluates the threat. If necessary, the suspicious activity is reported to the Chief Information Officer. Management (including representatives from the legal, human resources, IT and corporate security departments) is notified by the IT team whenever a discovered cybersecurity incident may potentially have a significant impact on our business operations.

The Partnership’s Board of Directors has delegated the responsibility for the oversight of cybersecurity risks to the Audit Committee, which is ultimately responsible for assessing and managing the Partnership’s material risks from cybersecurity threats. The IT team provides periodic cybersecurity program updates to senior management and to the Audit Committee. Management also updates the Audit Committee as new risks are identified and the steps taken to mitigate such risks.

ITEM 2. PROPERTIES

A description of our properties is included in “Item 1. Business.” In addition, we own office buildings for our executive offices in Dallas, Texas and office buildings in Newton Square, Pennsylvania; Houston, Texas and San Antonio, Texas. While we may require additional office space as our business expands, we believe that our existing facilities are adequate to meet our needs for the immediate future, and that additional facilities will be available on commercially reasonable terms as needed.

We believe that we have satisfactory title to or valid rights to use all of our material properties. Although some of our properties are subject to liabilities and leases, liens for taxes not yet due and payable, encumbrances securing payment obligations under non-competition agreements and immaterial encumbrances, easements and restrictions, we do not believe that any such burdens will materially interfere with our continued use of such properties in our business, taken as a whole. In addition, we believe that

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we have, or are in the process of obtaining, all required material approvals, authorizations, orders, licenses, permits, franchises and consents of, and have obtained or made all required material registrations, qualifications and filings with, the various state and local government and regulatory authorities which relate to ownership of our properties or the operations of our business.

Substantially all of our pipelines, which are described in “Item 1. Business,” are constructed on rights-of-way granted by the apparent record owners of the property. Lands over which pipeline rights-of-way have been obtained may be subject to prior liens that have not been subordinated to the right-of-way grants. We have obtained, where necessary, easement agreements from public authorities and railroad companies to cross over or under, or to lay facilities in or along, watercourses, county roads, municipal streets, railroad properties and state highways, as applicable. In some cases, properties on which our pipelines were built were purchased in fee. We also own and operate multiple natural gas and NGL storage facilities and own or lease other processing, treating and conditioning facilities in connection with our midstream operations.

ITEM 3. LEGAL PROCEEDINGS

For information regarding legal proceedings, see Note 11 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data” in this Annual Report on Form 10-K for the year ended December 31, 2023.

Additionally, we have received notices of violations and potential fines under various federal, state and local provisions relating to the discharge of materials into the environment or protection of the environment. While we believe that even if any one or more of the following environmental proceedings were decided against us, it would not be material to our financial position, results of operations or cash flows, we are required to report environmental governmental proceedings if we reasonably believe that such proceedings reasonably could result in monetary sanctions in excess of $0.3 million.

ETC Sunoco and Energy Transfer R&M (collectively, “Sunoco Defendants”) are defendants in lawsuits alleging MTBE contamination of groundwater. The plaintiffs, state-level governmental entities, assert product liability, nuisance, trespass, negligence, violation of environmental laws, and/or deceptive business practices claims. The plaintiffs seek to recover compensatory damages, and in some cases also seek natural resource damages, injunctive relief, punitive damages and attorneys’ fees.

As of March 31, 2023, Sunoco Defendants are defendants in two cases: one case initiated by the State of Maryland and one by the Commonwealth of Pennsylvania. The actions brought also named as defendants ETO, ETP Holdco and Sunoco Partners Marketing & Terminals L.P., now known as Energy Transfer Marketing & Terminals L.P.

It is reasonably possible that a loss may be realized in the remaining cases; however, we are unable to estimate the possible loss or range of loss in excess of amounts accrued. An adverse determination with respect to one or more of the MTBE cases could have a significant impact on results of operations during the period in which any such adverse determination occurs, but such an adverse determination likely would not have a material adverse effect on the Partnership’s consolidated financial position.

In late 2016, FERC Enforcement Staff began a non-public investigation related to Rover’s purchase and removal of a potentially historic home (known as the Stoneman House) while Rover’s application for permission to construct the new 711-mile interstate natural gas pipeline and related facilities was pending. On March 18, 2021, FERC issued an Order to Show Cause and Notice of Proposed Penalty (Docket No. IN19-4-000), ordering Rover to explain why it should not pay a $20 million civil penalty for alleged violations of FERC regulations requiring certificate holders to be forthright in their submissions of information to the FERC. Rover filed its answer and denial to the order on June 21, 2021 and a surreply on September 15, 2021. FERC issued an order on January 20, 2022 setting the matter for hearing before an administrative law judge. On January 25, 2022, the chief judge assigned an administrative law judge and set a timeline for a prehearing conference.

On February 1, 2022, Energy Transfer and Rover filed a Complaint for Declaratory Relief in the United States District Court for the Northern District of Texas seeking an order declaring that FERC must bring its enforcement action in federal district court (instead of before an administrative law judge). Also on February 1, 2022, Energy Transfer and Rover filed an expedited request to stay the proceedings before the FERC administrative law judge pending the outcome of the federal district court case. On May 24, 2022, the District Court ordered a stay of the FERC’s enforcement case and the District Court case pending the resolution of two cases pending before the United States Supreme Court. Arguments were heard in those cases on November 7, 2022. On April 14, 2023, the United States Supreme Court held against the government in both cases, finding that the federal district courts had jurisdiction to hear those suits and to resolve the parties’ constitutional challenges. The cases were remanded to the federal district courts for further proceedings.

On September 13, 2023 the District Court ordered that the District Court case would be stayed pending the resolution of another case pending before the United States Supreme Court and that the FERC enforcement case would remain stayed. Energy Transfer and Rover intend to vigorously defend this claim. On November 13, 2023, the FERC appealed the District Court order to the United States Court of Appeals for the Fifth Circuit. On December 11, 2023, FERC filed a motion to withdraw that

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appeal, which the Fifth Circuit granted on December 12, 2023. The FERC and District Court proceedings remain stayed pending resolution of the case pending before the United States Supreme Court.

In mid-2017, FERC Enforcement Staff began a non-public investigation regarding allegations that diesel fuel may have been included in the drilling mud at the Tuscarawas River horizontal directional drilling (“HDD”) operations. Rover and the Partnership are cooperating with the investigation. Enforcement Staff has provided Rover with a notice pursuant to Section 1b.19 of the FERC’s regulations that Enforcement Staff intends to recommend that the FERC pursue an enforcement action against Rover and the Partnership. The company disagrees with Enforcement Staff’s findings and intends to vigorously defend against any potential penalty. On December 16, 2021, FERC issued an Order to Show Cause and Notice of Proposed Penalty (Docket No. IN17-4-000), ordering Rover to show cause why it should not be found to have violated Section 7(e) of the NGA, Section 157.20 of FERC’s regulations, and the Rover Pipeline Certificate Order, and assessed civil penalties of $40 million.

Rover and Energy Transfer filed their answer to this order on March 21, 2022, and Enforcement Staff filed a reply on April 20, 2022. Rover and Energy Transfer filed their surreply to this order on May 13, 2022. FERC has taken no further action on the case since that time. Any and all losses, including any fines and penalties from government agencies, resulting from the general contractor’s alleged actions in conducting such HDD operations are subject to indemnity rights in favor of Rover and the Partnership. Given the stage of the proceedings, the Partnership is unable at this time to provide an assessment of the potential outcome or range of potential liability, if any; however, the Partnership believes the indemnity described above will be applicable to the penalty proposed by Enforcement Staff and intends to vigorously defend itself against the subject claims.

On November 3, 2017, the State of Ohio and the Ohio Environmental Protection Agency (“Ohio EPA”) filed suit against Rover and other defendants (collectively, the “Defendants”) seeking to recover approximately $2.6 million in civil penalties allegedly owed and certain injunctive relief related to permit compliance. The Defendants filed several motions to dismiss, which were granted on all counts. The Ohio EPA appealed, and on December 9, 2019, the Fifth District court of appeals entered a unanimous judgment affirming the trial court. The Ohio EPA sought review from the Ohio Supreme Court. On April 22, 2020, the Ohio Supreme Court granted the review. On March 17, 2022, the Ohio Supreme Court reversed in part and remanded to the Ohio trial court. The Ohio Supreme Court agreed with Rover that the State of Ohio had waived its rights under Section 401 of the Clean Water Act but remanded to the trial court to determine whether any of the allegations fell outside the scope of the waiver. On remand, the Ohio EPA voluntarily dismissed four of the other five defendants and dismissed one of its counts against Rover. In its Fourth Amended Complaint, the Ohio EPA removed all paragraphs that alleged violations by the four dismissed defendants, including those where the dismissed defendants were alleged to have acted jointly with Rover or others. At a June 2, 2022, status conference, the trial judge set a schedule for Rover and the other remaining defendant to file motions to dismiss the Fourth Amended Complaint. On August 1, 2022, Rover and the other remaining defendant each filed their respective motions. Briefing on those motions was completed on November 4, 2022. By order issued on October 20, 2023, the trial judge dismissed the Ohio EPA’s Fourth Amended Petition. On November 17, 2023, the State of Ohio appealed the trial judge’s decision to Ohio’s Fifth District Court of Appeals. The State filed its initial brief on January 8, 2024 and Energy Transfer’s and Rover’s responsive brief is currently due February 20, 2024.

In January 2019, we received notice from the DOJ on behalf of the EPA that a civil penalty enforcement action was being pursued under the Clean Water Act for an estimated 450 barrel crude oil release from the Mid Valley Pipeline operated by SPLP and owned by Mid Valley. The release purportedly occurred in October 2014 on a nature preserve located in Hamilton County, Ohio, near Cincinnati, Ohio. After discovery and notification of the release, SPLP conducted substantial emergency response, remedial work and primary restoration in three phases and the primary restoration has been acknowledged to be complete. Operation and maintenance (O&M) activities will continue for several years. In December of 2019, SPLP reached an agreement in principal with the EPA regarding payment of a civil penalty which will be subject to public comment. The DOJ, on behalf of United States Department of Interior Fish and Wildlife, and the Ohio Attorney General, on behalf of the Ohio EPA, along with technical representatives from those agencies have resolved in principal the natural resource damage assessment claims related to state endangered species and compensatory restoration.

On February 3, 2022, the State of New Mexico, ex rel. Hector Balderas, Attorney General filed a complaint against ETO, Transwestern, Kinder Morgan, Inc., El Paso Natural Gas LLC and Northwest Pipeline, LLC in Cause No. D-101-CV-2022-00174 in the First Judicial District Court, County of Santa Fe, State of New Mexico, seeking to recover statewide damages for contamination with PCBs used for decades by the oil and gas industry in the operation and maintenance of pipeline infrastructure. The complaint alleges discharge or release of PCBs into the natural environment from compressor stations in connection with the operation of the Transwestern Pipeline. Given the early stage of this proceeding, the Partnership is unable at this time to provide an assessment of the potential outcome or range of potential liability, if any.

On June 29, 2022, near Henderson, Tennessee, a Mid Valley mowing contractor struck an exposed section of the 22-inch diameter Hornsby to Denver line segment while mowing. The brush cutter mowing implement cut open the pipeline and released an estimated 4,345 barrels of crude oil into the surrounding area. Approximately 3,343 barrels of crude oil were

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recovered during initial remediation activities with the remaining volume contained within the materials removed and disposed of in accordance with applicable environmental laws and regulations. Corrective action was being completed pursuant to the Tennessee DEC’s Division of Remediation - Voluntary Action Program (“VAP”) and on May 23, 2023, Mid Valley received a No Further Action letter from the Tennessee Department of Environment and Conservation (“TN DEC”) for the corrective action work related to the incident. Additional environmental work was completed in late August 2023 along the pipeline right-of-way to address a small oil seep which required soil removal and site restoration. The TN DEC was notified and a follow-up report will be submitted to the agency documenting completion. Mid Valley received a Notice of Federal Interest regarding the incident and is awaiting final invoicing from the federal agencies (United States Environmental Protection Agency and United States Fish and Wildlife Service) and their consultants related to the incident. Mid Valley has also supplied PHMSA with information as requested. On October 13, 2023, Mid Valley received a Notice of Proposed Safety Order (NOPSO) from PHMSA related to this incident and other historical incidents on the Mid Valley system. Several actions over the next six months are requested in the NOPSO and a response is due within 30 days. No other government agency action has occurred. Groundwater monitoring wells were abandoned on June 12, 2023, which concluded environmental related activities associated with the incident site. No injuries resulted from the incident.

On June 26, 2023, Plaintiffs Michael and Cecilia Weinman (collectively, “Plaintiffs”) filed suit in Chester County, Tennessee, against Mid Valley, Energy Transfer Crude Marketing LLC, Energy Transfer Crude Oil Company, LLC, Energy Transfer Employee Management LLC, Energy Transfer Marketing & Terminals L.P., Energy Transfer LP, (collectively, the “Energy Transfer Defendants”) and other unnamed defendants asserting claims for negligence, trespass, and other tort claims and alleging damage to their property stemming from the crude oil release. Plaintiffs alleged actual monetary damages and punitive damages totaling $380 million. The Energy Transfer Defendants were served on or around July 5, 2023, and timely filed a notice of removal of the lawsuit to federal court in the Western District of Tennessee—Eastern Division on August 2, 2023. On August 8, 2023, Plaintiffs filed a notice of voluntary dismissal of their lawsuit without prejudice.

On November 29, 2023, the United States Coast Guard issued the final invoice for all federal expenses related to the incident response in the amount of $90,000. The expenses have been validated and sent for payment.

The Energy Transfer Defendants cannot predict the ultimate outcome of this litigation or the amount of time and expense that will be required to resolve it.

On October 13, 2023, Mid Valley received a Notice of Proposed Safety Order (“NOPSO”) from the PHMSA related to various historical accidents and complaints reported to PHMSA on the Mid Valley system. The NOPSO requests that Mid Valley perform several proposed corrective measures within six months of receipt of a Safety Order; however, in response, Mid Valley requested that PHMSA engage in informal consultations prior to issuing a Safety Order in an effort for the parties to potentially enter into a Consent Agreement and Order. Informal consultation is underway. In the event a Consent Agreement and Order is not reached between the parties during this process, Mid Valley may request a Hearing on the NOPSO. It is too early to predict the outcome, timeline, or costs associated with this administrative action.

On October 28, 2022, the EPA issued a Notice of Proposed Debarment (“NPD”) arising from SPLP’s and ETC Northeast Pipeline, LLC’s nolo contendere plea agreements and convictions for violations of Pennsylvania’s Clean Streams Law related to the Revolution and Mariner 2 pipelines. The following entities were proposed for debarment: (1) SPLP (pleading entity); (2) ETC Northeast Pipeline, LLC (pleading entity); (3) Energy Transfer LP; (4) SemGroup LLC; and (5) LE GP, LLC. The NPD presently prevents the named entities from pursuing or renewing Federal government contracts or Federal financial assistance agreements. We are engaging with the EPA to address the EPA’s concerns. Currently, none of the entities named in the NPD are party to any Federal government contracts or Federal financial assistance agreements.

On June 15, 2023, PHMSA issued a Notice of Probable Violation, Proposed Civil Penalty, and Proposed Compliance Order (collectively “NOPV”), CPF 4-2023-011-NOPV, identifying three probable violations with compliance order actions associated with two of them and civil penalties proposed in an amount totaling $2,473,912. The NOPV related to a PHMSA Accident Investigation Division investigation of a pigging incident which occurred on March 26, 2020 at the Partnership’s Borcher Station in Kansas and resulted in a fatality. The Partnership challenged PHMSA’s alleged violations and related civil penalties and compliance order actions contained in the NOPV, and requested an administrative hearing, which is set for April 24, 2024 before a PHMSA Presiding Official.

On August 31, 2023, the United States Department of Justice filed suit in the District Court for the Southern District of Texas (Corpus Christi Division) captioned as United States v. Energy Transfer (R&M), LLC et al. Civil Action No. 2:23-cv-214, against Sunoco and two other parties seeking to recover past CERCLA response costs allegedly incurred by the EPA in excess of $500,000 and certain declaratory relief related to compliance. Suntide Refining Company (Sunoco as successor) is alleged to have arranged for the transport and disposal of refinery wastes containing hazardous substances at the Brine Service Company Superfund Site in Corpus Christi, Nueces County, TX. At this time, we cannot determine the likelihood of any liability in this

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matter; however, Sunoco intends to defend and dispute the allegations of the lawsuit, including but not limited to the joint and several liability determination sought. This lawsuit is included among the matters described in our discussion of our other environmental remediation matters. Please see Note 11 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

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PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON UNITS, RELATED UNITHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Description of Units

As of February 9, 2024, there were 11,242 holders of record of our common units, which number does not separately account for individual participants in securities positions listings. Common units represent limited partner interests in us that entitle the holders to the rights and privileges specified in Energy Transfer’s Partnership Agreement.

As of December 31, 2023, limited partners own an aggregate 99.9% limited partner interest in us. Our General Partner owns an aggregate 0.1% general partner interest in us. Our common units are registered under the Exchange Act, and are listed for trading on the NYSE under the ticker symbol “ET.” Each holder of a common unit is entitled to one vote per unit on all matters presented to the limited partners for a vote. In addition, if at any time any person or group (other than our General Partner and its affiliates) owns beneficially 20% or more of all common units, any Common Units owned by that person or group may not be voted on any matter and are not considered to be outstanding when sending notices of a meeting of unitholders (unless otherwise required by law), calculating required votes, determining the presence of a quorum or for other similar purposes under our Partnership Agreement. The common units are entitled to distributions of Available Cash as described in “Cash Distribution Policy.”

Energy Transfer Class A Units

As of February 9, 2024, the Partnership had outstanding 833,543,364 Class A units (“Energy Transfer Class A Units”) representing limited partner interests in the Partnership to the General Partner. The Energy Transfer Class A Units are entitled to vote together with the Partnership’s common units, as a single class, except as required by law. Additionally, Energy Transfer’s Partnership Agreement provides that, under certain circumstances, upon the issuance by the Partnership of additional common units or any securities that have voting rights that are pari passu with the Partnership common units, the Partnership will issue to any holder of Energy Transfer Class A Units additional Energy Transfer Class A Units such that the holder maintains a voting interest in the Partnership that is identical to its voting interest in the Partnership prior to such issuance of common units. The Energy Transfer Class A Units are not entitled to distributions and otherwise have no economic attributes.

Energy Transfer Preferred Units

As of December 31, 2023, the Partnership had the following series of preferred units outstanding:

Series of Preferred Units	Units Issued and Outstanding	Liquidation Preference per Unit		Date Issued(1)
Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units	950,000	$	1,000	April 2021
Series B Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units	550,000	1,000		April 2021
Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units	18,000,000	25		April 2021
Series D Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units	17,800,000	25		April 2021
Series E Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units	32,000,000	25		April 2021
Series F Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units	500,000	1,000		April 2021
Series G Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units	1,484,780	1,000		April 2021 and December 2021(2)
Series H Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units	900,000	1,000		June 2021
Series I Fixed Rate Perpetual Preferred Units	41,464,179	9.1273		November 2023(3)

(1)In connection with the Rollup Mergers on April 1, 2021, as discussed in Note 1 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data,” all of ETO’s previously outstanding preferred units were converted to Energy Transfer Preferred Units with identical distribution and redemption rights.

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(2)In connection with the Enable acquisition in December 2021, Energy Transfer issued 384,780 additional Series G Preferred Units. The total reflected above includes these additional Series G Preferred Units, as well as the 1,100,000 Series G Preferred Units originally issued in the Rollup Mergers.

(3)The Series I Preferred Units were issued in connection with the Crestwood acquisition in November 2023.

In February 2024, the Partnership redeemed all of the Series C Preferred Units and Series D Preferred Units. The Partnership expects to redeem all of the Series E Preferred Units in May 2024.

Additional information for each series of outstanding preferred units, including information on distributions and redemption, is available in Note 8 to our consolidated financial statements included in "Item 8. Financial Statements and Supplementary Data."

Cash Distribution Policy

General. Energy Transfer will distribute all of its “Available Cash” to its Unitholders and its General Partner within 50 days following the end of each fiscal quarter.

Definition of Available Cash. Available Cash is defined in the Partnership Agreement and generally means, with respect to any calendar quarter, all cash on hand at the end of such quarter less the amount of cash reserves that are necessary or appropriate in the reasonable discretion of the General Partner to:

•provide for the proper conduct of its business;

•comply with applicable law and/or debt instrument or other agreement; and

•provide funds for distributions to Unitholders and its General Partner in respect of any one or more of the next four quarters.

Recent Sales of Unregistered Securities

None.

Issuer Purchases of Equity Securities

None.

Securities Authorized for Issuance Under Equity Compensation Plans

For information on the securities authorized for issuance under Energy Transfer’s equity compensation plans, see “Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Unitholder Matters.”

ITEM 6. [RESERVED]

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

(Tabular dollar and unit amounts, except per unit data, are in millions)

Energy Transfer LP is a Delaware limited partnership whose common units are publicly traded on the NYSE under the ticker symbol “ET.”

The following discussion of our consolidated financial condition and results of operations for the years ended December 31, 2023 and 2022 should be read in conjunction with our consolidated financial statements and accompanying notes thereto included in “Item 8. Financial Statements and Supplementary Data” of this report. This discussion includes forward-looking statements that are subject to risk and uncertainties. Actual results may differ substantially from the statements we make in this section due to a number of factors that are discussed in “Item 1A. Risk Factors” of this report.

Discussion and analysis of matters pertaining to the year ended December 31, 2021 and year-to-year comparisons between the years ended December 31, 2022 and 2021 are not included in this Form 10-K, but can be found under Part II, Item 7 of our annual report on Form 10-K for the year ended December 31, 2022 that was filed with the SEC on February 17, 2023.

Unless the context requires otherwise, references to “we,” “us,” “our,” the “Partnership” and “Energy Transfer” mean Energy Transfer LP and its consolidated subsidiaries.

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OVERVIEW

The primary activities in which we are engaged, which are located in the United States, are as follows:

•natural gas operations, including the following:

•natural gas midstream and intrastate transportation and storage;

•interstate natural gas transportation and storage; and

•crude oil, NGL and refined products transportation, terminalling and acquisition and marketing activities as well as NGL storage and fractionation services.

In addition, we own investments in other businesses, including Sunoco LP and USAC, both of which are master limited partnerships.

Energy Transfer derives cash flows from distributions related to its investment in its subsidiaries, including Sunoco LP and USAC. The amount of cash that our subsidiaries distribute to us is based on earnings from their respective business activities and the amount of available cash. Energy Transfer’s primary cash requirements are for distributions to its partners, general and administrative expenses and debt service requirements. Energy Transfer distributes its available cash remaining after satisfaction of the aforementioned cash requirements to its Unitholders on a quarterly basis.

We expect our subsidiaries to utilize their resources, along with cash from their operations, to fund their announced growth capital expenditures and working capital needs; however, Energy Transfer may issue debt or equity securities from time to time as we deem prudent to provide liquidity for new capital projects of our subsidiaries or for other partnership purposes.

General

Our primary objective is to increase the level of our distributable cash flow to our Unitholders over time by pursuing a business strategy that is currently focused on growing our subsidiaries’ natural gas and liquids businesses through, among other things, pursuing certain construction and expansion opportunities relating to our subsidiaries’ existing infrastructure and acquiring certain strategic operations and businesses or assets. The actual amounts of cash that we will have available for distribution will primarily depend on the amount of cash our subsidiaries generate from their operations.

Our reportable segments are as follows:

•intrastate transportation and storage;

•interstate transportation and storage;

•midstream;

•NGL and refined products transportation and services;

•crude oil transportation and services;

•investment in Sunoco LP;

•investment in USAC; and

•all other.

Recent Developments

Crestwood Acquisition

On November 3, 2023, Energy Transfer acquired Crestwood, which owns gathering and processing assets located in the Williston, Delaware and Powder River basins. Under the terms of the merger agreement, holders of Crestwood common units received 2.07 Energy Transfer common units for each Crestwood common unit held by them (the “Common Unit Merger Consideration”). Additionally, each outstanding Crestwood preferred unit was, at the election of the holder of such Crestwood preferred unit, either, (i) converted into a Series I Preferred Unit, which is a new preferred unit of Energy Transfer that has substantially similar terms, including with respect to economics and structural protections, as the Crestwood preferred units; (ii) redeemed in exchange for $9.857484 in cash plus accrued and unpaid distributions to the date of such redemption; or (iii) converted into a Crestwood common unit at the then-applicable conversion ratio of one Crestwood common unit for ten Crestwood preferred units, and such Crestwood common units then received the Common Unit Merger Consideration.

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In total, consideration issued in the transaction included approximately 216 million Energy Transfer common units, 41 million Series I Preferred Units and $300 million in cash. Concurrent with the closing of the Crestwood acquisition, the Partnership assumed $2.85 billion aggregate principal amount of Crestwood senior notes and terminated its revolving credit facility, which included the repayment of $613 million in outstanding borrowings.

Lotus Midstream Acquisition

On May 2, 2023, Energy Transfer acquired Lotus Midstream for total consideration of $1.50 billion, including working capital. Consideration included $930 million in cash and approximately 44.5 million newly issued Energy Transfer common units, which had an aggregate acquisition-date fair value of $574 million. Lotus Midstream owns and operates Centurion Pipeline Company LLC, an integrated crude midstream platform located in the Permian Basin.

Sunoco LP’s Acquisitions and Divestiture

On January 22, 2024, Sunoco LP entered into a definitive agreement with NuStar to acquire NuStar in an all-equity transaction valued at approximately $7.3 billion, including assumed debt. Under the terms of the agreement, NuStar common unitholders will receive 0.4 Sunoco common units for each NuStar common unit. NuStar has approximately 9,500 miles of pipeline and 63 terminal and storage facilities that store and distribute crude oil, refined products, renewable fuels, ammonia and specialty liquids. The transaction is expected to close in the second quarter of 2024, subject to customary closing conditions.

On January 11, 2024, Sunoco LP entered into a definitive agreement with 7-Eleven, Inc. to sell 204 convenience stores located in West Texas, New Mexico and Oklahoma for approximately $1.00 billion, including customary adjustments for fuel and merchandise inventory. As part of the sale, Sunoco LP will also amend its existing take-or-pay fuel supply agreement with 7-Eleven, Inc. to incorporate additional fuel gross profit. The transaction is expected to close promptly upon receipt of regulatory approvals and satisfaction of customary closing conditions.

On January 11, 2024, Sunoco LP also announced that it will acquire liquid fuels terminals in Amsterdam, Netherlands and Bantry Bay, Ireland from Zenith Energy for €170 million including working capital. The transaction is expected to close in the first quarter of 2024, subject to customary closing conditions.

On May 1, 2023, Sunoco LP completed the acquisition of 16 refined product terminals located across the East Coast and Midwest from Zenith Energy for $111 million, including working capital.

Regulatory Update

Interstate Natural Gas Transportation Regulation

Rate Regulation

Effective January 2018, the 2017 Tax Cuts and Jobs Act (the “Tax Act”) changed several provisions of the federal tax code, including a reduction in the maximum corporate tax rate. On March 15, 2018, in a set of related proposals, the FERC addressed treatment of federal income tax allowances in regulated entity rates. The FERC issued a Revised Policy Statement on Treatment of Income Taxes (“Revised Policy Statement”) stating that it will no longer permit master limited partnerships to recover an income tax allowance in their cost-of-service rates. The FERC issued the Revised Policy Statement in response to a remand from the United States Court of Appeals for the District of Columbia Circuit in United Airlines v. FERC, in which the court determined that the FERC had not justified its conclusion that a pipeline organized as a master limited partnership would not “double recover” its taxes under the current policy by both including an income-tax allowance in its cost of service and earning a return on equity calculated using the discounted cash flow methodology. On July 18, 2018, the FERC clarified that a pipeline organized as a master limited partnership will not be precluded in a future proceeding from arguing and providing evidentiary support that it is entitled to an income tax allowance and demonstrating that its recovery of an income tax allowance does not result in a double-recovery of investors’ income tax costs. On July 31, 2020, the United States Court of Appeals for the District of Columbia Circuit issued an opinion upholding the FERC’s decision denying a separate master limited partnership recovery of an income tax allowance and its decision not to require the master limited partnership to refund accumulated deferred income tax balances. In light of the rehearing order’s clarification regarding an individual entity’s ability to argue in support of recovery of an income tax allowance and the court’s subsequent opinion upholding denial of an income tax allowance to a master limited partnership, the impact of the FERC’s policy on the treatment of income taxes on the rates we can charge for FERC-regulated transportation services is unknown at this time.

Even without application of the FERC’s rate making-related policy statements and rulemakings, the FERC or our shippers may challenge the cost-of-service rates we charge. The FERC’s establishment of a just and reasonable rate is based on many components, including ROE and tax-related components, but also other pipeline costs that will continue to affect FERC’s determination of just and reasonable cost-of-service rates. Moreover, we receive revenues from our pipelines based on a variety

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Index to Financial Statements

of rate structures, including cost-of-service rates, negotiated rates, discounted rates and market-based rates. Many of our interstate pipelines, such as Tiger Pipeline, Midcontinent Express Pipeline and Fayetteville Express Pipeline, have negotiated market rates that were agreed to by customers in connection with long-term contracts entered into to support the construction of the pipelines. Other systems, such as Florida Gas Transmission Pipeline, Transwestern and Panhandle, have a mix of tariff rate, discount rate and negotiated rate agreements. The revenues we receive from natural gas transportation services we provide pursuant to cost-of-service based rates may decrease in the future as a result of changes to FERC policies, combined with the reduced corporate federal income tax rate established in the Tax Act. The extent of any revenue reduction related to our cost-of-service rates, if any, will depend on a detailed review of all of our cost-of-service components and the outcomes of any challenges to our rates by the FERC or our shippers.

On July 18, 2018, the FERC issued a final rule establishing procedures to evaluate rates charged by the FERC-jurisdictional gas pipelines in light of the Tax Act and the FERC’s Revised Policy Statement. By an order issued on January 16, 2019, the FERC initiated a review of Panhandle’s then existing rates pursuant to Section 5 of the NGA to determine whether the rates charged by Panhandle are just and reasonable and set the matter for hearing. On August 30, 2019, Panhandle filed a general rate proceeding under Section 4 of the NGA. The NGA Section 5 and Section 4 proceedings were consolidated by order of the Chief Judge on October 1, 2019. The initial decision by the administrative law judge was issued on March 26, 2021, and on December 16, 2022, the FERC issued its order on the initial decision. On January 17, 2023, Panhandle and the Michigan Public Service Commission each filed a request for rehearing of FERC’s order on the initial decision, which were denied by operation of law as of February 17, 2023. On March 23, 2023, Panhandle appealed these orders to the United States Court of Appeals for the District of Columbia Circuit (“Court of Appeals”), and the Michigan Public Service Commission also subsequently appealed these orders. On April 25, 2023, the Court of Appeals consolidated Panhandle’s and Michigan Public Service Commission’s appeals and stayed the consolidated appeal proceeding while the FERC further considered the requests for rehearing of its December 16, 2022 order. On September 25, 2023, the FERC issued its order addressing arguments raised on rehearing and compliance, which denied our requests for rehearing. Panhandle has timely filed its Petition for Review with the Court of Appeals regarding the September 25, 2023 order. On October 25, 2023, Panhandle filed a limited request for rehearing of the September 25 order addressing arguments raised on rehearing and compliance, which was subsequently denied by operation of law on November 27, 2023. On November 30, 2023, Panhandle submitted a refund report regarding the consolidated rate proceedings, which has been protested by several parties. On January 5, 2024, the FERC issued a second order addressing arguments raised on rehearing in which it modified certain discussion from its September 25, 2023 order and sustained its prior conclusions. Panhandle has timely filed its Petition for Review with the Court of Appeals regarding the January 5, 2024 order.

Pipeline Certification

The FERC issued a Notice of Inquiry on April 19, 2018 (“Pipeline Certification NOI”), thereby initiating a review of its policies on certification of natural gas pipelines, including an examination of its long-standing Policy Statement on Certification of New Interstate Natural Gas Pipeline Facilities, issued in 1999, that is used to determine whether to grant certificates for new pipeline projects. On February 18, 2021, the FERC issued another NOI (“2021 NOI”), reopening its review of the 1999 Policy Statement. Comments on the 2021 NOI were due on May 26, 2021; we filed comments in the FERC proceeding. In September 2021, FERC issued a Notice of Technical Conference on Greenhouse Gas Mitigation related to natural gas infrastructure projects authorized under Sections 3 and 7 of the NGA. A technical conference was held on November 19, 2021, and post-technical conference comments were submitted to the FERC on January 7, 2022.

On February 18, 2022, the FERC issued two new policy statements: (1) an Updated Policy Statement on the Certification of New Interstate Natural Gas Facilities and (2) a Policy Statement on the Consideration of Greenhouse Gas Emissions in Natural Gas Infrastructure Project Reviews (“2022 Policy Statements”), to be effective that same day. On March 24, 2022, the FERC issued an order designating the 2022 Policy Statements as draft policy statements, and requested further comments. The FERC will not apply the now draft 2022 Policy Statements to pending applications or applications to be filed at FERC until it issues any final guidance on these topics. Comments on the 2022 Policy Statements were due on April 25, 2022, and reply comments were due on May 25, 2022. We are unable to predict what, if any, changes may be proposed as a result of the 2022 Policy Statements that might affect our natural gas pipeline or LNG facility projects, or when such new policies, if any, might become effective. We do not expect that any change in these policy statements would affect us in a materially different manner than any other natural gas pipeline company operating in the United States.

Interstate Common Carrier Regulation

Liquids pipelines transporting in interstate commerce are regulated by FERC as common carriers under the Interstate Commerce Act (“ICA”). Under the ICA, the FERC utilizes an indexing rate methodology which, as currently in effect, allows common carriers to change their rates within prescribed ceiling levels that are tied to changes in the Producer Price Index for Finished Goods, or PPI-FG. Many existing pipelines utilize the FERC liquids index to change transportation rates annually. The

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Index to Financial Statements

indexing methodology is applicable to existing rates, with the exclusion of market-based rates. The FERC’s indexing methodology is subject to review every five years.

On December 17, 2020, FERC issued an order establishing a new index of PPI-FG plus 0.78%. The FERC received requests for rehearing of its December 17, 2020 order and on January 20, 2022, granted rehearing and modified the oil index. Specifically, for the five-year period commencing July 1, 2021 and ending June 30, 2026, FERC-regulated liquids pipelines charging indexed rates are permitted to adjust their indexed ceilings annually by PPI-FG minus 0.21%. FERC directed liquids pipelines to recompute their ceiling levels for July 1, 2021 through June 30, 2022, as well as the ceiling levels for the period July 1, 2022 to June 30, 2023, based on the new index level. Where an oil pipeline’s filed rates exceed its ceiling levels, FERC ordered such oil pipelines to reduce the rate to bring it into compliance with the recomputed ceiling level to be effective March 1, 2022. Some parties sought rehearing of the January 20 order with FERC, which was denied by FERC on May 6, 2022. Certain parties have appealed the January 20 and May 6 orders. Such appeals remain pending at the D.C. Circuit.

On October 20, 2022, the FERC issued a policy statement on the Standard Applied to Complaints Against Oil Pipeline Index Rate Changes to establish guidelines regarding how the FERC will evaluate shipper complaints against oil pipeline index rate increases. Specifically, the policy statement adopted the proposal in the FERC’s earlier Notice of Inquiry issued on March 25, 2020 to eliminate the “Substantially Exacerbate Test” as the preliminary screen applied to complaints against index rate increases and instead adopt the proposal to apply the “Percentage Comparison Test” as the preliminary screen for both protests and complaints against index rate increases. At this time, we cannot determine the effect of a change in the FERC’s preliminary screen for complaints against index rates changes, however, a revised screen would result in a threshold aligned with the existing threshold for protests against index rate increases. Any complaint or protest raised by a shipper could materially and adversely affect our financial condition, results of operations or cash flows.

Air Quality Standards

The EPA recently finalized its Good Neighbor Plan (the “Plan”) which seeks to reduce nitrogen oxide pollution from power plants and other industrial facilities from 23 upwind states which the EPA determined is contributing to National Ambient Air Quality Standards (NAAQS) nonattainment and interfering with maintenance of the 2015 ozone NAAQS in downwind states. As part of the Plan, the EPA announced that it would be issuing prescriptive emission standards for several sectors, including certain new and existing internal combustion engines of a certain size used in pipeline transportation of natural gas. The EPA’s final rule was to become effective on August 4, 2023, and the prescribed emission standards were scheduled to be effective in 2026; however, of the nine states impacted within the Partnership’s footprint, effectiveness of the rule is currently stayed in six states and pending a decision on a stay in three other states. Additionally, other operators and industry groups have challenged the Plan and sought a stay in the D.C. Circuit. Although the stay was denied, it was promptly followed by the filing of an emergency stay application with the U.S. Supreme Court, which will be heard on February 19, 2024, all while EPA has proposed adding five more states to the Plan. The Partnership currently estimates that the final rule would require retrofitting or replacement of approximately 192 engines in its interstate and intrastate natural gas transportation and storage operations. The Partnership is involved in challenging application of the Plan in the nine states impacted within its footprint. Compliance with the Plan (if implementation is not stayed or otherwise delayed) will still require substantial capital expenditures which could adversely affect our business in future periods. However, at this time, we are still assessing the potential costs of this rule and, given uncertainties resulting from the multiple legal challenges filed against the Plan in various states, in the DC Circuit and the U.S. Supreme Court, we cannot predict with any certainty what the final costs of compliance for the Plan for the Partnership ultimately may be.

Trends and Outlook

Overall, we believe the Partnership’s outlook is strong, as it has a stable business that has demonstrated its ability to manage through various market cycles. We expect future growth to be supported by production improvements, improved market conditions, and increased utilization of our existing assets, as well as strong domestic and international demand for our products.

While we anticipate that current and projected commodity prices and the related impact to activity levels in both the upstream and midstream sectors will continue to impact our business, we cannot predict the ultimate magnitude of that impact and expect it to be varied across our operations, depending on the region, customer, type of service, contract term and other factors.

In addition, the U.S. economy has experienced higher-than-average inflation in recent years, which has resulted in higher costs for labor, services, and materials. Our suppliers and customers also face inflationary pressures, and our throughput volumes may be impacted if producers are constrained. While the rate and scope of various inflationary factors may increase our operating costs and capital expenditures materially, we anticipate that any such impacts would be recoverable in the prices of our services.

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Ultimately, the extent to which our business will be impacted by future market developments depends on factors beyond our control, which are highly uncertain and cannot be predicted. In response to the recent market volatility and uncertainties, we have reduced growth capital spending in recent years, and we expect to continue to maintain a prudent level of growth capital spending going forward. See “Liquidity and Capital Resources” for additional information on our capital expenditures over the last two years and our forecasted capital expenditures for 2024.

We currently have ample liquidity to fund our business, and we do not anticipate any liquidity concerns in the immediate future (see “Liquidity and Capital Resources”). In addition, we continue to have access to the debt capital markets on generally favorable terms. We will continue to evaluate growth projects and acquisitions as such opportunities may be identified in the future.

In addition to the trends and outlook discussed above with respect to the Partnership’s existing business and finances, we also anticipate that the Partnership will continue to increase its focus on the development of alternative energy projects. The Partnership has announced several such projects recently and will continue to pursue opportunities aimed at continuing to reduce its environmental footprint throughout its operations.

Results of Operations

We report Segment Adjusted EBITDA and consolidated Adjusted EBITDA as measures of segment performance. We define Segment Adjusted EBITDA and consolidated Adjusted EBITDA as total Partnership earnings before interest, taxes, depreciation, depletion, amortization and other non-cash items, such as non-cash compensation expense, gains and losses on disposals of assets, the allowance for equity funds used during construction, unrealized gains and losses on commodity risk management activities, inventory valuation adjustments, non-cash impairment charges, losses on extinguishments of debt and other non-operating income or expense items, as well as certain non-recurring gains and losses. Inventory adjustments that are excluded from the calculation of Adjusted EBITDA represent only the changes in lower of cost or market reserves on inventory that is carried at LIFO. These amounts are unrealized valuation adjustments applied to Sunoco LP’s fuel volumes remaining in inventory at the end of the period.

Segment Adjusted EBITDA and consolidated Adjusted EBITDA reflect amounts for unconsolidated affiliates based on the same recognition and measurement methods used to record equity in earnings of unconsolidated affiliates. Adjusted EBITDA related to unconsolidated affiliates excludes the same items with respect to the unconsolidated affiliate as those excluded from the calculation of Segment Adjusted EBITDA and consolidated Adjusted EBITDA, such as interest, taxes, depreciation, depletion, amortization and other non-cash items. Although these amounts are excluded from Adjusted EBITDA related to unconsolidated affiliates, such exclusion should not be understood to imply that we have control over the operations and resulting revenues and expenses of such affiliates. We do not control our unconsolidated affiliates; therefore, we do not control the earnings or cash flows of such affiliates. The use of Segment Adjusted EBITDA or Adjusted EBITDA related to unconsolidated affiliates as an analytical tool should be limited accordingly.

Segment Adjusted EBITDA, as reported for each segment in the following table, is analyzed in the section titled “Segment Operating Results.” Adjusted EBITDA is a non-GAAP measure used by industry analysts, investors, lenders and rating agencies to assess the financial performance and the operating results of the Partnership’s fundamental business activities and should not be considered in isolation or as a substitution for net income, income from operations, cash flows from operating activities or other GAAP measures.

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Year Ended December 31, 2023 Compared to the Year Ended December 31, 2022

Consolidated Results

	Years Ended December 31,
	2023		2022		Change
Segment Adjusted EBITDA:
Intrastate transportation and storage	$	1,111	$	1,396	$	(285)
Interstate transportation and storage	2,009		1,753		256
Midstream	2,525		3,210		(685)
NGL and refined products transportation and services	3,894		3,025		869
Crude oil transportation and services	2,681		2,187		494
Investment in Sunoco LP	964		919		45
Investment in USAC	512		426		86
All other	2		177		(175)
Adjusted EBITDA (consolidated)	$	13,698	$	13,093	$	605

	Years Ended December 31,
	2023		2022		Change
Reconciliation of net income to Adjusted EBITDA:
Net income	$	5,294	$	5,868	$	(574)
Depreciation, depletion and amortization	4,385		4,164		221
Interest expense, net of interest capitalized	2,578		2,306		272
Income tax expense	303		204		99
Impairment losses and other	12		386		(374)
Gains on interest rate derivatives	(36)		(293)		257
Non-cash compensation expense	130		115		15
Unrealized gains on commodity risk management activities	(3)		(42)		39
Inventory valuation adjustments (Sunoco LP)	114		(5)		119
Gains on extinguishments of debt	(2)		—		(2)
Adjusted EBITDA related to unconsolidated affiliates	691		565		126
Equity in earnings of unconsolidated affiliates	(383)		(257)		(126)
Non-operating litigation-related loss	627		—		627
Other, net	(12)		82		(94)
Adjusted EBITDA (consolidated)	$	13,698	$	13,093	$	605

Net Income. For the year ended December 31, 2023 compared to the prior year, net income decreased $574 million, or approximately 10%, primarily due to the recognition of a $627 million non-operating litigation-related loss, as well as decreases in gains on interest rate derivatives and increases in interest expense, income tax expense and depreciation, depletion and amortization expense; each of these items is discussed further below. The impacts of these decreases were partially offset by an increase in equity in earnings of unconsolidated affiliates, as well as the impacts of impairment and other losses recognized in the prior period; these items are also discussed further below. The change to net income also reflects changes in Adjusted EBITDA, which are summarized below and discussed in more detail in “Segment Operating Results.”

Adjusted EBITDA (consolidated). For the year ended December 31, 2023 compared to the prior year, Adjusted EBITDA increased $605 million primarily due to favorable results in multiple segments. The most significant increase was in our NGL and refined products transportation and services segment, which reflected higher throughput and contractual rates, as well as favorable impacts from optimization. Our crude oil transportation and services segment and our interstate transportation and storage segment also contributed to the increase in Adjusted EBITDA primarily due to higher volumes, as well as the impacts of recently acquired assets and assets recently placed in service. The increases from these segments were partially offset by a decrease in our midstream segment, primarily driven by the impacts of natural gas and NGL prices, and a decrease in our intrastate transportation and storage segment, which was impacted by lower pipeline optimization.

Additional information on changes impacting Adjusted EBITDA for the year ended December 31, 2023 compared to the prior year is available below and in “Segment Operating Results.”

106

Index to Financial Statements

Depreciation, Depletion and Amortization. Depreciation, depletion and amortization expense increased primarily due to additional depreciation and amortization from assets recently placed in service and recent acquisitions.

Interest Expense, Net of Interest Capitalized. Interest expense, net of interest capitalized, increased primarily due to higher interest rates on floating rate debt.

Income Tax Expense. For the year ended December 31, 2023 compared to the same period last year, income tax expense increased due to higher earnings from the Partnership’s consolidated corporate subsidiaries.

Impairment Losses and Other. For the year ended December 31, 2023, impairment losses and other consisted of impairment losses incurred by USAC related to its compression equipment.

For the year ended December 31, 2022, impairment losses and other included an $85 million loss on the deconsolidation of Energy Transfer Canada, which was recorded upon the completion of the sale in August 2022. The amount also included a $300 million impairment related to Energy Transfer Canada’s assets recorded in March 2022 based on the anticipated proceeds from the expected sale of those assets. The remainder of the impairment losses were from USAC’s recognition of impairment losses related to its compression equipment.

Gains on Interest Rate Derivatives. Our interest rate derivatives are not designated as hedges for accounting purposes; therefore, changes in fair value are recorded in earnings each period. Gains on interest rate derivatives resulted from changes in forward interest rates, which caused our forward-starting swaps to change in value. The magnitude of the gains during the respective periods also reflected changes in the aggregate notional amount of interest rate swaps outstanding during the respective periods.

Unrealized Gains on Commodity Risk Management Activities. The unrealized gains and losses on our commodity risk management activities include changes in fair value of commodity derivatives and the hedged inventory included in designated fair value hedging relationships. Information on the unrealized gains and losses within each segment are included in “Segment Operating Results” below, and additional information on the commodity-related derivatives, including notional volumes, maturities and fair values, is available in “Item 7A. Quantitative and Qualitative Disclosures About Market Risk” and in Note 14 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

Inventory Valuation Adjustments. Inventory valuation adjustments represent changes in lower of cost or market using the last-in, first-out method on Sunoco LP’s inventory. These amounts are unrealized valuation adjustments applied to fuel volumes remaining in inventory at the end of the period. For the year ended December 31, 2023, a decline in fuel prices caused the lower of cost or market reserve requirements to increase by $114 million, which reduced net income. For the year ended December 31, 2022, an increase in fuel prices caused the lower of cost or market reserve requirements to decrease by $5 million, which increased net income.

Adjusted EBITDA Related to Unconsolidated Affiliates and Equity in Earnings of Unconsolidated Affiliates. See additional information in “Supplemental Information on Unconsolidated Affiliates” and “Segment Operation Results” below.

Non-Operating Litigation-Related Loss. Non-operating litigation-related loss recognized for the year ended December 31, 2023 represents the loss associated with the Williams Litigation, which is discussed in Note 11 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

Other, net. Other, net primarily includes amortization of regulatory assets and other income and expense amounts.

107

Index to Financial Statements

Supplemental Information on Unconsolidated Affiliates

The following table presents financial information related to unconsolidated affiliates:

	Years Ended December 31,
	2023		2022		Change
Equity in earnings (losses) of unconsolidated affiliates:
Citrus	$	146	$	141	$	5
MEP	87		10		77
White Cliffs (1)	10		(8)		18
Explorer	37		25		12
Other	103		89		14
Total equity in earnings of unconsolidated affiliates	$	383	$	257	$	126
Adjusted EBITDA related to unconsolidated affiliates(2):
Citrus	$	335	$	326	$	9
MEP	121		45		76
White Cliffs	29		20		9
Explorer	57		41		16
Other	149		133		16
Total Adjusted EBITDA related to unconsolidated affiliates	$	691	$	565	$	126
Distributions received from unconsolidated affiliates:
Citrus	$	135	$	133	$	2
MEP	115		27		88
White Cliffs	25		19		6
Explorer	38		27		11
Other	103		88		15
Total distributions received from unconsolidated affiliates	$	416	$	294	$	122

(1)For the year ended December 31, 2022, equity in earnings (losses) of unconsolidated affiliates included the impact of non-cash impairments recorded by White Cliffs, which reduced the Partnership’s equity in earnings by $9 million.

(2)These amounts represent our proportionate share of the Adjusted EBITDA of our unconsolidated affiliates and are based on our equity in earnings or losses of our unconsolidated affiliates adjusted for our proportionate share of the unconsolidated affiliates’ interest, depreciation, depletion, amortization, non-cash items and taxes.

Segment Operating Results

We evaluate segment performance based on Segment Adjusted EBITDA, which we believe is an important performance measure of the core profitability of our operations. This measure represents the basis of our internal financial reporting and is one of the performance measures used by senior management in deciding how to allocate capital resources among business segments.

The following tables identify the components of Segment Adjusted EBITDA, which is calculated as follows:

•Segment margin, operating expenses and selling, general and administrative expenses. These amounts represent the amounts included in our consolidated financial statements that are attributable to each segment.

•Unrealized gains or losses on commodity risk management activities and inventory valuation adjustments. These are the unrealized amounts that are included in cost of products sold to calculate segment margin. These amounts are not included in Segment Adjusted EBITDA; therefore, the unrealized losses are added back and the unrealized gains are subtracted to calculate the segment measure.

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Index to Financial Statements

•Non-cash compensation expense. These amounts represent the total non-cash compensation recorded in operating expenses and selling, general and administrative expenses related to equity awards. This expense is not included in Segment Adjusted EBITDA and therefore is added back to calculate the segment measure.

•Adjusted EBITDA related to unconsolidated affiliates. Adjusted EBITDA related to unconsolidated affiliates excludes the same items with respect to the unconsolidated affiliate as those excluded from the calculation of Segment Adjusted EBITDA, such as interest, taxes, depreciation, depletion, amortization and other non-cash items. Although these amounts are excluded from Adjusted EBITDA related to unconsolidated affiliates, such exclusion should not be understood to imply that we have control over the operations and resulting revenues and expenses of such affiliates. We do not control our unconsolidated affiliates; therefore, we do not control the earnings or cash flows of such affiliates.

In the following analysis of segment operating results, a measure of segment margin is reported for segments with sales revenues. Segment margin is a non-GAAP financial measure and is presented herein to assist in the analysis of segment operating results and particularly to facilitate an understanding of the impacts that changes in sales revenues have on the segment performance measure of Segment Adjusted EBITDA. Segment margin is similar to the GAAP measure of gross margin, except that segment margin excludes charges for depreciation, depletion and amortization. Among the GAAP measures reported by the Partnership, the most directly comparable measure to segment margin is Segment Adjusted EBITDA; a reconciliation of segment margin to Segment Adjusted EBITDA is included in the following tables for each segment where segment margin is presented.

In addition, for certain segments, the following sections include information on the components of segment margin by sales type, which components are included in order to provide additional disaggregated information to facilitate the analysis of segment margin and Segment Adjusted EBITDA. For example, these components include transportation margin, storage margin and other margin. These components of segment margin are calculated consistent with the calculation of segment margin; therefore, these components also exclude charges for depreciation, depletion and amortization.

Segment Operating Results

Intrastate Transportation and Storage

	Years Ended December 31,
	2023		2022		Change
Natural gas transported (BBtu/d)	14,814		14,497		317
Withdrawals from storage natural gas inventory (BBtu)	14,840		27,283		(12,443)
Revenues	$	3,962	$	7,818	$	(3,856)
Cost of products sold	2,616		6,000		(3,384)
Segment margin	1,346		1,818		(472)
Unrealized (gains) losses on commodity risk management activities	66		(67)		133
Operating expenses, excluding non-cash compensation expense	(279)		(334)		55
Selling, general and administrative expenses, excluding non-cash compensation expense	(51)		(53)		2
Adjusted EBITDA related to unconsolidated affiliates	25		26		(1)
Other	4		6		(2)
Segment Adjusted EBITDA	$	1,111	$	1,396	$	(285)

Volumes. For the year ended December 31, 2023 compared to the prior year, transported volumes increased primarily due to increased utilization on our Texas intrastate assets, partially offset by decreased production from our Haynesville assets.

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Index to Financial Statements

Segment Margin. The components of our intrastate transportation and storage segment margin were as follows:

	Years Ended December 31,
	2023		2022		Change
Transportation fees	$	852	$	828	$	24
Natural gas sales and other (excluding unrealized gains and losses)	392		639		(247)
Retained fuel revenues (excluding unrealized gains and losses)	64		186		(122)
Storage margin, including fees (excluding unrealized gains and losses)	104		98		6
Unrealized gains (losses) on commodity risk management activities	(66)		67		(133)
Total segment margin	$	1,346	$	1,818	$	(472)

Segment Adjusted EBITDA. For the year ended December 31, 2023 compared to the prior year, Segment Adjusted EBITDA related to our intrastate transportation and storage segment decreased due to the net impacts of the following:

•a decrease of $247 million in realized natural gas sales and other primarily due to lower pipeline optimization from both physical sales and settled derivatives; and

•a decrease of $122 million in retained fuel revenues related to lower natural gas prices; partially offset by

•a decrease of $55 million in operating expenses related to a decrease in cost of fuel consumption from lower natural gas prices;

•an increase of $24 million in transportation fees primarily due to new contracts on our Texas system and Haynesville assets; and

•an increase of $6 million in storage margin primarily due to higher storage optimization from hedged inventory activity.

Interstate Transportation and Storage

	Years Ended December 31,
	2023		2022		Change
Natural gas transported (BBtu/d)	16,481		14,727		1,754
Natural gas sold (BBtu/d)	28		29		(1)
Revenues	$	2,375	$	2,251	$	124
Cost of products sold	6		25		(19)
Segment margin	2,369		2,226		143
Operating expenses, excluding non-cash compensation, amortization, accretion and other non-cash expenses	(746)		(791)		45
Selling, general and administrative expenses, excluding non-cash compensation, amortization and accretion expenses	(115)		(131)		16
Adjusted EBITDA related to unconsolidated affiliates	496		408		88
Other	5		41		(36)
Segment Adjusted EBITDA	$	2,009	$	1,753	$	256

Volumes. For the year ended December 31, 2023 compared to the prior year, transported volumes increased primarily due to our Gulf Run system going in service in December 2022 as well as more capacity sold and higher utilization on our Transwestern, Rover and Trunkline systems.

Segment Adjusted EBITDA. For the year ended December 31, 2023 compared to the prior year, Segment Adjusted EBITDA related to our interstate transportation and storage segment increased due to the net impacts of the following:

•an increase of $143 million in segment margin primarily due to a $141 million increase resulting from our Gulf Run system being placed in service in December 2022, a $47 million increase in transportation revenue from several of our interstate pipeline systems due to higher contracted volumes and higher rates, an $18 million increase related to a shipper bankruptcy, a $20 million increase in parking and storage revenue and a $5 million increase in interruptible utilization. These increases were partially offset by a $58 million decrease due to lower operational gas sales resulting from lower prices, a $23 million decrease due to lower rates on our Panhandle system resulting from a FERC rate case and an $8 million decrease in liquids revenue due to lower prices;

110

Index to Financial Statements

•a decrease of $45 million in operating expenses primarily due to a $65 million decrease from the revaluation of system gas and a $10 million decrease in ad valorem taxes due to lower assessments on several of our interstate pipelines. These decreases were partially offset by $25 million of incremental expenses from our Gulf Run system being placed in service in December 2022 and higher maintenance project costs of $4 million;

•a decrease of $16 million in selling, general and administrative expenses primarily due to an $11 million decrease in M&A related expenses and a $7 million decrease in professional fees. These decreases were partially offset by $3 million of incremental expenses from our Gulf Run system being placed in service in December 2022; and

•an increase of $88 million in Adjusted EBITDA related to unconsolidated affiliates primarily due to an increase of $76 million from our Midcontinent Express Pipeline joint venture due to capacity sold at higher rates, a $9 million increase from our Citrus joint venture due to revenues from new projects and lower operating expenses and an $8 million increase from our Southeast Supply Header joint venture due to increased capacity sold at higher rates. These increases were partially offset by a $6 million decrease from our Fayetteville Express Pipeline joint venture due to the expiration of a foundation shipper contract; partially offset by

•a decrease of $36 million in other Adjusted EBITDA primarily due to the 2022 recognition of certain amounts related to shipper bankruptcies.

Midstream

	Years Ended December 31,
	2023		2022		Change
Gathered volumes (BBtu/d)	19,937		18,582		1,355
NGLs produced (MBbls/d)	880		800		80
Equity NGLs (MBbls/d)	43		44		(1)
Revenues	$	10,406	$	17,101	$	(6,695)
Cost of products sold	6,503		12,682		(6,179)
Segment margin	3,903		4,419		(516)
Operating expenses, excluding non-cash compensation expense	(1,204)		(1,087)		(117)
Selling, general and administrative expenses, excluding non-cash compensation expense	(199)		(186)		(13)
Adjusted EBITDA related to unconsolidated affiliates	20		25		(5)
Other	5		39		(34)
Segment Adjusted EBITDA	$	2,525	$	3,210	$	(685)

Volumes. For the year ended December 31, 2023 compared to the prior year, gathered volumes and NGL production increased due to newly acquired assets and higher volumes from existing customers.

Segment Adjusted EBITDA. For the year ended December 31, 2023 compared to the prior year, Segment Adjusted EBITDA related to our midstream segment decreased due to the net impacts of the following:

•a decrease of $739 million due to lower natural gas prices of $478 million and lower NGL prices of $261 million;

•an increase in operating expenses of $117 million due to a $36 million increase in services and materials, including repairs, volume-driven consumables and maintenance, compliance and pricing, a $31 million increase in employee costs due to segment reallocations, increased headcount and wage and benefit costs, a $43 million increase from newly acquired and installed assets, and a $10 million increase in ad valorem taxes, partially offset by a $4 million decrease in utility costs;

•an increase of $13 million in selling, general and administrative expenses primarily due to higher corporate allocations and M&A expenses;

•a decrease of $5 million in Adjusted EBITDA related to unconsolidated affiliates primarily due to the sale of the Partnership’s membership interest in Ranch Westex JV LLC in 2022; and

•a decrease of $34 million in other Adjusted EBITDA primarily due to the realization in the previous period of certain amounts related to a shipper bankruptcy; partially offset by

•an increase of $223 million due to newly acquired assets as well as higher volumes across all regions.

111

Index to Financial Statements

NGL and Refined Products Transportation and Services

	Years Ended December 31,
	2023		2022		Change
NGL transportation volumes (MBbls/d)	2,116		1,882		234
Refined products transportation volumes (MBbls/d)	540		521		19
NGL and refined products terminal volumes (MBbls/d)	1,430		1,274		156
NGL fractionation volumes (MBbls/d)	1,023		911		112
Revenues	$	21,903	$	25,657	$	(3,754)
Cost of products sold	17,049		21,656		(4,607)
Segment margin	4,854		4,001		853
Unrealized (gains) losses on commodity risk management activities	(38)		16		(54)
Operating expenses, excluding non-cash compensation expense	(892)		(962)		70
Selling, general and administrative expenses, excluding non-cash compensation expense	(157)		(127)		(30)
Adjusted EBITDA related to unconsolidated affiliates	126		97		29
Other	1		—		1
Segment Adjusted EBITDA	$	3,894	$	3,025	$	869

Volumes. For the year ended December 31, 2023 compared to the prior year, NGL transportation volumes increased primarily due to higher volumes from the Permian region, on our Mariner East pipeline system and on our Gulf Coast export pipelines. The increase in transportation volumes and the commissioning of our eighth fractionator in August 2023 also led to higher fractionated volumes at our Mont Belvieu, Texas fractionation facility.

Segment Margin. The components of our NGL and refined products transportation and services segment margin were as follows:

	Years Ended December 31,
	2023		2022		Change
Fractionators and refinery services margin	$	888	$	850	$	38
Transportation margin	2,399		2,126		273
Storage margin	319		284		35
Terminal services margin	892		699		193
Marketing margin	318		58		260
Unrealized gains (losses) on commodity risk management activities	38		(16)		54
Total segment margin	$	4,854	$	4,001	$	853

Segment Adjusted EBITDA. For the year ended December 31, 2023 compared to the prior year, Segment Adjusted EBITDA related to our NGL and refined products transportation and services segment increased due to the net impacts of the following:

•an increase of $273 million in transportation margin primarily due to a $136 million increase resulting from higher throughput and contractual rate escalations on our Texas y-grade pipeline system, a $95 million increase resulting from higher throughput and contractual rate escalations on our Mariner East pipeline system, a $41 million increase from higher export volumes feeding into our Nederland Terminal, a $27 million increase from higher throughput and contractual rate escalations on our refined product pipelines, a $12 million increase from the timing of third-party deficiency payments on our Northeast region pipelines and a $7 million increase from higher throughput on our Mariner West pipeline. These increases were partially offset by intrasegment charges of $29 million and $17 million which were fully offset within our marketing and fractionation margins, respectively;

•an increase of $260 million in marketing margin (excluding unrealized gains and losses on commodity risk management activities) primarily due to higher gains during 2023 from the optimization of hedged NGL and refined product inventories, as well as intrasegment margin of $29 million which was fully offset within our transportation margin;

•an increase of $193 million in terminal services margin primarily due to a $120 million increase from our Marcus Hook Terminal due to contractual rate escalations and higher throughput, a $65 million increase from higher export volumes

112

Index to Financial Statements

loaded at our Nederland Terminal, a $4 million increase due to higher throughput from our refined product marketing terminals and a $3 million increase from tank leases at our Eagle Point Terminal;

•a decrease of $70 million in operating expenses primarily due to an $87 million decrease in gas and power utility costs, partially offset by a $16 million increase in employee costs;

•an increase of $38 million in fractionators and refinery services margin primarily due to a $29 million increase resulting from higher volumes and $17 million in intrasegment margin which was fully offset within our transportation margin. These increases were partially offset by an $8 million decrease from our refinery services business;

•an increase of $35 million in storage margin associated with increased NGL export volumes; and

•an increase of $29 million in Adjusted EBITDA related to unconsolidated affiliates due to higher volumes on certain joint venture pipelines; partially offset by

•an increase of $30 million in selling, general and administrative expenses primarily due to a $13 million increase resulting from a one-time charge related to regulatory expenses, a $9 million increase in overhead expenses and a $6 million increase in insurance costs.

Crude Oil Transportation and Services

	Years Ended December 31,
	2023		2022		Change
Crude oil transportation volumes (MBbls/d)	5,282		4,345		937
Crude oil terminals volumes (MBbls/d)	3,377		2,964		413
Revenue	$	26,536	$	25,982	$	554
Cost of products sold	23,071		22,917		154
Segment margin	3,465		3,065		400
Unrealized (gains) losses on commodity risk management activities	13		(14)		27
Operating expenses, excluding non-cash compensation expense	(699)		(645)		(54)
Selling, general and administrative expenses, excluding non-cash compensation expense	(120)		(224)		104
Adjusted EBITDA related to unconsolidated affiliates	19		4		15
Other	3		1		2
Segment Adjusted EBITDA	$	2,681	$	2,187	$	494

Volumes. For the year ended December 31, 2023 compared to the prior year, crude oil transportation volumes were higher on our Texas pipeline system due to higher Permian crude oil production, higher gathered volumes and contributions from assets acquired in 2023. Bakken Pipeline volumes were also higher. Volumes on our Bayou Bridge Pipeline were higher due to continuing strong Gulf Coast refinery demand. Midcontinent systems were higher, driven by contributions from assets acquired in 2023. We also realized higher Bakken gathering volumes. Crude terminal volumes were higher due to growth in Permian and Bakken volumes, stronger Gulf Coast refinery utilization and contributions from assets acquired in 2023.

Segment Adjusted EBITDA. For the year ended December 31, 2023 compared to the prior year, Segment Adjusted EBITDA related to our crude oil transportation and services segment increased due to the net impacts of the following:

•an increase of $427 million in segment margin (excluding unrealized gains and losses on commodity risk management activities) primarily due to a $275 million increase from recently acquired assets, a $157 million increase from higher volumes on our Bakken Pipeline, a $71 million increase from higher volumes on our Texas crude pipeline system, a $31 million increase from our Nederland and Houston crude terminals due to higher throughput and exports and a $17 million increase from our Midcontinent gathering systems, partially offset by a $135 million decrease from our crude oil acquisition and marketing business due primarily to less favorable pricing and higher affiliate fees from higher volumes transported;

•a decrease of $104 million in selling, general and administrative expenses primarily due to a charge related to a legal matter in the prior period; and

•an increase of $15 million in Adjusted EBITDA related to unconsolidated affiliates due to assets acquired and higher volumes on our White Cliffs crude pipeline; partially offset by

113

Index to Financial Statements

•an increase of $54 million in operating expenses primarily due to a $66 million increase from recently acquired assets, a $13 million increase in volume-driven expenses and an $8 million increase in employee-related expenses, partially offset by a $4 million decrease in measurement expenses, a $5 million decrease in ad valorem taxes and a $20 million decrease in maintenance project expenses.

Investment in Sunoco LP

	Years Ended December 31,
	2023		2022		Change
Revenues	$	23,068	$	25,729	$	(2,661)
Cost of products sold	21,703		24,350		(2,647)
Segment margin	1,365		1,379		(14)
Unrealized (gains) losses on commodity risk management activities	(21)		21		(42)
Operating expenses, excluding non-cash compensation expense	(420)		(396)		(24)
Selling, general and administrative, excluding non-cash compensation expense	(113)		(111)		(2)
Adjusted EBITDA related to unconsolidated affiliates	10		10		—
Inventory valuation adjustments	114		(5)		119
Other, net	29		21		8
Segment Adjusted EBITDA	$	964	$	919	$	45

The Investment in Sunoco LP segment reflects the consolidated results of Sunoco LP.

Segment Adjusted EBITDA. For the year ended December 31, 2023 compared to the prior year, Segment Adjusted EBITDA related to the Investment in Sunoco LP segment decreased due to the net impacts of the following:

•an increase in the gross profit on motor fuel sales of $34 million primarily due to an 8% increase in gallons sold; and

•an increase in non-motor fuel sales and lease profit of $37 million primarily due to increased throughput and storage margin from the Gladieux and Zenith acquisitions and increased rental income; partially offset by

•an increase in operating costs of $26 million, including other operating expense, general and administrative expense and lease expense. The increase was primarily due to higher costs as a result of the recent acquisitions of refined product terminals and the transmix processing and terminal facility.

Investment in USAC

	Years Ended December 31,
	2023		2022		Change
Revenues	$	846	$	705	$	141
Cost of products sold	137		111		26
Segment margin	709		594		115
Operating expenses, excluding non-cash compensation expense	(147)		(123)		(24)
Selling, general and administrative, excluding non-cash compensation expense	(51)		(45)		(6)
Other, net	1		—		1
Segment Adjusted EBITDA	$	512	$	426	$	86

The investment in USAC segment reflects the consolidated results of USAC.

Segment Adjusted EBITDA. For the year ended December 31, 2023 compared to last year, Segment Adjusted EBITDA related to our investment in USAC segment increased due to the net impacts of the following:

•an increase of $115 million in segment margin primarily due to higher revenue-generating horsepower as a result of increased demand for compression services, higher market-based rates on newly deployed and redeployed compression units and higher average rates on existing customer contracts; partially offset by

114

Index to Financial Statements

•an increase of $24 million in operating expenses primarily due to higher employee costs associated with increased revenue-generating horsepower as well as higher parts and service costs.

All Other

	Years Ended December 31,
	2023		2022		Change
Revenue	$	1,798	$	3,574	$	(1,776)
Cost of products sold	1,740		3,328		(1,588)
Segment margin	58		246		(188)
Unrealized (gains) losses on commodity risk management activities	(22)		2		(24)
Operating expenses, excluding non-cash compensation expense	(40)		(80)		40
Selling, general and administrative expenses, excluding non-cash compensation expense	(85)		(60)		(25)
Adjusted EBITDA related to unconsolidated affiliates	4		4		—
Other and eliminations	87		65		22
Segment Adjusted EBITDA	$	2	$	177	$	(175)

Amounts reflected in our all other segment primarily include:

•our natural gas marketing operations;

•our wholly owned natural gas compression operations;

•our investment in coal handling facilities; and

•our Canadian operations, until those assets were divested in August 2022.

Segment Adjusted EBITDA. For the year ended December 31, 2023 compared to the prior year, Segment Adjusted EBITDA decreased primarily due to the net impacts of the following:

• a decrease of $35 million due to higher M&A expenses;

•a decrease of $80 million due to the sale of Energy Transfer Canada in 2022;

•a decrease of $25 million from our dual drive compression business due to lower gas prices and increased electricity cost;

•a decrease of $21 million due to less favorable power trading market conditions;

•an increase of $8 million in ad valorem taxes due to tax credits utilized in 2022; and

•a decrease of $9 million in storage and trading gains; partially offset by

•an increase of $27 million due to increased sales in our compressor packaging business.

LIQUIDITY AND CAPITAL RESOURCES

Our ability to satisfy our obligations and pay distributions to Unitholders will depend on our future performance, which will be subject to prevailing economic, financial, business, weather conditions and other factors, many of which are beyond management’s control. The significant trends and uncertainties that we currently believe could significantly impact our liquidity and cash flows going forward are discussed in “Trends and Outlook” above.

We believe that we have sufficient liquidity and sources of funding to meet our cash requirements over the near term and for the longer term. We expect to satisfy our working capital needs through cash generated by our operations. As of December 31, 2023, we had cash and cash equivalents of $161 million and availability under our revolving credit facility of $3.56 billion.

The Partnership’s material contractual obligations include long-term debt service, payments under operating leases and purchase commitments. The Partnership’s obligations under its long-term debt agreements are described below under “Description of Indebtedness,” and information on the maturities and interest rates related to the Partnership’s long-term debt is available in Note 6 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.” In addition, information on the Partnership’s obligations under its lease arrangements is included in Note 13 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

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Index to Financial Statements

We define a purchase commitment as an agreement to purchase goods or services that is enforceable and legally binding (unconditional) on us that specifies all significant terms, including: fixed or minimum quantities to be purchased; fixed, minimum or variable price provisions; and the approximate timing of the transactions. We have long and short-term product purchase obligations for commodities with third-party suppliers. These purchase obligations are entered into at either variable or fixed prices. The purchase prices that we are obligated to pay under variable price contracts approximate market prices at the time we take delivery of the volumes. The purchase prices that we are obligated to pay under fixed price contracts are established at the inception of the contract. We have material purchase commitments for crude oil; as of December 31, 2023, those purchase commitments totaled an estimated $65.27 billion (of which $21.80 billion would be due in 2024) based on either the current market price for variable price contracts or the contracted price for fixed price contracts.

We currently expect capital expenditures in 2024 to be within the following ranges (including capitalized interest and overhead, but excluding capital expenditures related to our investments in Sunoco LP and USAC):

	Growth				Maintenance
	Low		High		Low		High
Intrastate transportation and storage	$	115	$	125	$	50	$	55
Interstate transportation and storage	45		55		190		195
Midstream	590		645		220		225
NGL and refined products transportation and services (1)	1,400		1,500		135		140
Crude oil transportation and services (1)	195		215		175		180
All other (including eliminations)	55		60		65		70
Total capital expenditures	$	2,400	$	2,600	$	835	$	865

(1)Includes capital expenditures related to the Partnership’s proportionate ownership of the Bakken, Rover and Bayou Bridge pipeline joint ventures as well as the Orbit Gulf Coast NGL Exports joint venture.

The assets used in our natural gas and liquids operations, including pipelines, gathering systems and related facilities, are generally long-lived assets and do not require significant maintenance capital expenditures. Accordingly, we do not have any significant financial commitments for maintenance capital expenditures in our businesses. From time to time, we experience increases in pipe costs due to a number of reasons, including but not limited to, delays from steel mills, limited selection of mills capable of producing large diameter pipe timely, higher steel prices and other factors beyond our control. However, we include these factors in our anticipated growth capital expenditures for each year.

We generally fund maintenance capital expenditures and distributions with cash flows from operating activities. We generally expect to funds growth capital expenditures with proceeds of borrowings under our credit facilities, along with cash from operations.

Sunoco LP expects to invest at least $200 million in growth capital expenditures and approximately $70 million in maintenance capital expenditures in 2024.

USAC currently plans to spend approximately $32 million in maintenance capital expenditures and currently has budgeted between $115 million and $125 million in expansion capital expenditures in 2024.

Cash Flows

Our cash flows may change in the future due to a number of factors, some of which we cannot control. These include regulatory changes, the price of our products and services, the demand for such products and services, margin requirements resulting from significant changes in commodity prices, operational risks, the successful integration of our acquisitions and other factors.

Operating Activities

Changes in cash flows from operating activities between periods primarily result from changes in earnings (as discussed in “Results of Operations” above), excluding the impacts of non-cash items and changes in operating assets and liabilities. Non-cash items include recurring non-cash expenses, such as depreciation, depletion and amortization expense and non-cash compensation expense. The increase in depreciation, depletion and amortization expense during the periods presented primarily resulted from construction and acquisitions of assets, while changes in non-cash compensation expense resulted from changes in the number of units granted and changes in the grant date fair value for such grants. Cash flows from operating activities also differ from earnings as a result of non-cash charges that may not be recurring such as impairment charges and allowance for equity funds used during construction. The allowance for equity funds used during construction increases in periods when

116

Index to Financial Statements

Energy Transfer has a significant amount of interstate pipeline construction in progress. Changes in operating assets and liabilities between periods result from factors such as the changes in the value of derivative assets and liabilities, timing of accounts receivable collection, payments on accounts payable, the timing of purchases and sales of inventories, and the timing of advances and deposits received from customers.

Following is a summary of operating activities by period:

Year Ended December 31, 2023

Cash provided by operating activities in 2023 was $9.56 billion and net income was $5.29 billion. The difference between net income and cash provided by operating activities in 2023 primarily consisted of non-cash items totaling $4.43 billion offset by net changes in operating assets and liabilities of $451 million. The non-cash activity in 2023 consisted primarily of depreciation, depletion and amortization of $4.39 billion, impairment losses of $12 million, non-cash compensation expense of $130 million, equity in earnings of unconsolidated affiliates of $383 million, unfavorable inventory valuation adjustments of $114 million, gains on extinguishments of debt of $2 million, and deferred income taxes of $203 million. The Partnership also received distributions of $353 million from unconsolidated affiliates.

Year Ended December 31, 2022

Cash provided by operating activities in 2022 was $9.05 billion and net income was $5.87 billion. The difference between net income and cash provided by operating activities in 2022 primarily consisted of non-cash items totaling $4.53 billion offset by net changes in operating assets and liabilities of $1.50 billion. The non-cash activity in 2022 consisted primarily of depreciation, depletion and amortization of $4.16 billion, impairment losses of $386 million, non-cash compensation expense of $115 million, equity in earnings of unconsolidated affiliates of $257 million, favorable inventory valuation adjustments of $5 million, and deferred income taxes of $187 million. The Partnership also received distributions of $232 million from unconsolidated affiliates.

Investing Activities

Cash flows from investing activities primarily consist of cash amounts paid for acquisitions, capital expenditures, cash distributions from our joint ventures, and cash proceeds from sales or contributions of assets or businesses. Changes in capital expenditures between periods primarily result from increases or decreases in our growth capital expenditures to fund our construction and expansion projects.

Following is a summary of investing activities by period:

Year Ended December 31, 2023

Cash used in investing activities in 2023 was $4.33 billion. Total capital expenditures (excluding the allowance for equity funds used during construction and net of contributions in aid of construction costs) were $3.09 billion. Additional detail related to our capital expenditures is provided in the following table. We received $38 million of cash proceeds from the sale of assets. The Partnership also received distributions of $63 million from unconsolidated affiliates. In 2023, we paid $288 million in cash for the Crestwood acquisition, we paid $930 million in cash for the Lotus Midstream acquisition and Sunoco LP paid $111 million in cash for the acquisition of 16 refined product terminals from Zenith Energy.

Year Ended December 31, 2022

Cash used in investing activities in 2022 was $4.02 billion. Total capital expenditures (excluding the allowance for equity funds used during construction and net of contributions in aid of construction costs) were $3.33 billion. Additional detail related to our capital expenditures is provided in the following table. We received $78 million of cash proceeds from the sale of assets. The Partnership also received distributions of $62 million from unconsolidated affiliates. In 2022, we paid $1.14 billion in cash for acquisitions, net of cash received. In 2022, we received $302 million in cash from the sale of our interest in Energy Transfer Canada.

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Index to Financial Statements

The following is a summary of the Partnership’s capital expenditures (including only our proportionate share of the Bakken, Rover, Bayou Bridge and Orbit Gulf Coast NGL Exports joint ventures, net of contributions in aid of construction costs) by period:

	Capital Expenditures Recorded During Period
	Growth		Maintenance		Total
Year Ended December 31, 2023:
Intrastate transportation and storage	$	54	$	39	$	93
Interstate transportation and storage	219		164		383
Midstream	586		246		832
NGL and refined products transportation and services	551		128		679
Crude oil transportation and services	143		123		266
Investment in Sunoco LP	145		70		215
Investment in USAC	275		25		300
All other (including eliminations)	38		62		100
Total capital expenditures	$	2,011	$	857	$	2,868
Year Ended December 31, 2022:
Intrastate transportation and storage	$	132	$	47	$	179
Interstate transportation and storage	456		188		644
Midstream	812		192		1,004
NGL and refined products transportation and services	376		131		507
Crude oil transportation and services	120		126		246
Investment in Sunoco LP	132		54		186
Investment in USAC	145		24		169
All other (including eliminations)	32		59		91
Total capital expenditures	$	2,205	$	821	$	3,026

Financing Activities

Changes in cash flows from financing activities between periods primarily result from changes in the levels of borrowings and equity issuances, which are primarily used to fund our acquisitions and growth capital expenditures. Distributions to partners increased between the periods as a result of increases in the number of common units outstanding or increases in the distribution rate.

Following is a summary of financing activities by period:

Year Ended December 31, 2023

Cash used in financing activities was $5.33 billion in 2023. In 2023, we had a net increase in our debt level of $714 million. During 2023, we paid distributions of $4.25 billion to our partners, we paid distributions of $1.69 billion to noncontrolling interests, and we paid distributions of $59 million to our redeemable noncontrolling interests. In addition, we received capital contributions of $3 million in cash from noncontrolling interests. During 2023, we incurred debt issuance costs of $45 million.

Year Ended December 31, 2022

Cash used in financing activities was $5.11 billion in 2022. In 2022, we had a net decrease in our debt level of $843 million. During 2022, we paid distributions of $3.05 billion to our partners, we paid distributions of $1.55 billion to noncontrolling interests, and we paid distributions of $49 million to our redeemable noncontrolling interests. In addition, we received capital contributions of $405 million in cash from noncontrolling interests. During 2022, we incurred debt issuance costs of $27 million.

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Index to Financial Statements

Description of Indebtedness

Our outstanding consolidated indebtedness was as follows:

	December 31,
	2023		2022
Energy Transfer Indebtedness:
Notes and Debentures(1)(2)	$	43,016	$	39,468
Five-Year Credit Facility(2)	1,412		793
Subsidiary Indebtedness:
Transwestern Senior Notes(1)	250		250
Bakken Project Senior Notes	1,850		1,850
Sunoco LP Senior Notes and lease-related obligations(2)	3,194		2,694
USAC Senior Notes	1,475		1,475
HFOTCO Tax Exempt Notes(2)	—		225
Sunoco LP Credit Facility(2)	411		900
USAC Credit Facility	872		646
Other long-term debt	18		3
Net unamortized premiums, discounts and fair value adjustments	127		183
Deferred debt issuance costs	(237)		(225)
Total debt	52,388		48,262
Less: current maturities of long-term debt(3)	1,008		2
Long-term debt, less current maturities	$	51,380	$	48,260

(1)As of December 31, 2023, these balances included a total of $3.67 billion aggregate principal amount of senior notes due on or before December 31, 2024 which were classified as long-term as management has the intent and ability to refinance the borrowings on a long-term basis.

(2)See additional information below under “Recent Transactions.”

(3)As of December 31, 2023, current maturities of long-term debt reflected on the Partnership’s consolidated balance sheet included $1.00 billion of senior notes issued by the Bakken Pipeline entities which mature in April 2024. The Partnership’s proportional ownership in the Bakken Pipeline entities is 36.4%.

The terms of our consolidated indebtedness and that of our subsidiaries are described in more detail below and in Note 6 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

Recent Transactions

In January 2024, the Partnership issued $1.25 billion aggregate principal amount of 5.55% Senior Notes due 2034, $1.75 billion aggregate principal amount of 5.95% Senior Notes due 2054 and $800 million aggregate principal amount of 8.00% fixed-to-fixed reset rate Junior Subordinated Notes due 2054. The Partnership used the net proceeds to refinance existing indebtedness, including borrowings under its Five-Year Credit Facility (defined below), to redeem its outstanding Series C Preferred Units and Series D Preferred Units and for general partnership purposes. The Partnership also intends to use the proceeds to redeem its Series E Preferred Units in May 2024.

In November 2023, concurrent with the closing of the Crestwood acquisition, the Partnership assumed $2.85 billion aggregate principal amount of Crestwood senior notes and terminated its revolving credit facility, which included the repayment of $613 million in outstanding borrowings.

In November 2023, the Partnership redeemed $600 million aggregate principal amount of its 4.50% Senior Notes due November 2023 using proceeds from the senior notes offering discussed in the following paragraph.

In October 2023, the Partnership issued $1.00 billion aggregate principal amount of 6.05% Senior Notes due 2026, $500 million aggregate principal amount of 6.10% Senior Notes due 2028, $1.00 billion aggregate principal amount of 6.40% Senior Notes due 2030 and $1.50 billion aggregate principal amount of 6.55% Senior Notes due 2033. The Partnership used the net proceeds

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Index to Financial Statements

to refinance existing indebtedness, including borrowings under its Five-Year Credit Facility and for general partnership purposes.

In September 2023, the Partnership redeemed $500 million aggregate principal amount of its 4.20% Senior Notes due September 2023 using proceeds from its Five-Year Credit Facility.

In May 2023, the Partnership refinanced all of the $225 million outstanding principal amount of HFOTCO tax-exempt bonds with new 10-year tax-exempt bonds. The new bonds, which were issued through the Harris County Industrial Development Corporation and are obligations of Energy Transfer, accrue interest at a fixed rate of 4.05% and are mandatorily redeemable in 2033. Upon redemption, these tax-exempt bonds may be remarketed on different terms through final maturity of November 1, 2050.

In the first quarter of 2023, the Partnership redeemed $350 million aggregate principal amount of its 3.45% Senior Notes due January 2023, $800 million aggregate principal amount of its 3.60% Senior Notes due February 2023 and $1.00 billion aggregate principal amount of its 4.25% Senior Notes due March 2023 using proceeds from its Five-Year Credit Facility.

In September 2023, Sunoco LP completed a private offering of $500 million aggregate principal amount of 7.00% senior notes due 2028. Sunoco LP used the proceeds from the private offering to repay a portion of its outstanding borrowings under their revolving credit facility.

Credit Facilities and Commercial Paper

Five-Year Credit Facility

The Partnership’s Five-Year Credit Facility allows for unsecured borrowings up to $5.00 billion and matures on April 11, 2027. The Five-Year Credit Facility contains an accordion feature, under which the total aggregate commitment may be increased up to $7.00 billion under certain conditions.

As of December 31, 2023, the Five-Year Credit Facility had $1.41 billion of outstanding borrowings, $1.37 billion of which consisted of commercial paper. The amount available for future borrowings was $3.56 billion, after accounting for outstanding letters of credit in the amount of $29 million. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 5.87%.

Sunoco LP Credit Facility

As of December 31, 2023, the Sunoco LP Credit Facility had $411 million of outstanding borrowings and $5 million in standby letters of credit and matures in April 2027. The amount available for future borrowings was $1.08 billion at December 31, 2023. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 7.54%.

USAC Credit Facility

As of December 31, 2023, USAC had $872 million of outstanding borrowings and no outstanding letters of credit under the credit agreement. As of December 31, 2023, USAC had $728 million of remaining unused availability of which, due to restrictions related to compliance with the applicable financial covenants, $529 million was available to be drawn. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 7.98%.

Covenants Related to Our Credit Agreements

The agreements relating to the Senior Notes contain restrictive covenants customary for an issuer with an investment-grade rating from the rating agencies, which covenants include limitations on liens and a restriction on sale-leaseback transactions.

The Five-Year Credit Facility contains covenants that limit (subject to certain exceptions) the Partnership’s and certain of the Partnership’s subsidiaries’ ability to, among other things:

•incur indebtedness;

•grant liens;

•enter into mergers;

•dispose of assets;

•make certain investments;

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Index to Financial Statements

•make Distributions (as defined in the Five-Year Credit Facility) during certain Defaults (as defined in the Five-Year Credit Facility) and during any Event of Default (as defined in the Five-Year Credit Facility);

•engage in business substantially different in nature than the business currently conducted by the Partnership and its subsidiaries;

•engage in transactions with affiliates; and

•enter into restrictive agreements.

The applicable margin and rate used in connection with the interest rates and commitment fees, respectively, are based on the credit ratings assigned to our senior, unsecured, non-credit enhanced long-term debt. The applicable margin for eurodollar rate loans under the Five-Year Credit Facility ranges from 1.125% to 2.000% and the applicable margin for base rate loans ranges from 0.125% to 1.000%. The applicable rate for commitment fees under the Five-Year Credit Facility ranges from 0.125% to 0.300%. 

The Five-Year Credit Facility contains various covenants including limitations on the creation of indebtedness and liens and related to the operation and conduct of our business. The Five-Year Credit Facility also limits us, on a rolling four quarter basis, to a maximum Consolidated Funded Indebtedness to Consolidated EBITDA ratio, as defined in the underlying credit agreement, of 5.00 to 1.00, which can generally be increased to 5.50 to 1.00 during a Specified Acquisition Period. Our Leverage Ratio was 3.31 to 1.00 at December 31, 2023, as calculated in accordance with the credit agreement.

Failure to comply with the various restrictive and affirmative covenants of our revolving credit facilities could require us to pay debt balances prior to scheduled maturity and could negatively impact the Partnership’s or our subsidiaries’ ability to incur additional debt and/or our ability to pay distributions to Unitholders.

Covenants Related to Transwestern

The agreements relating to the Transwestern senior notes contain certain restrictions that, among other things, limit the incurrence of additional debt, the sale of assets and the payment of dividends and specify a maximum debt to capitalization ratio.

Covenants Related to Sunoco LP

The Sunoco LP Credit Facility contains various customary representations, warranties, covenants and events of default, including a change of control event of default, as defined therein. Sunoco LP’s Credit Facility requires Sunoco LP to maintain a specified net leverage ratio and interest coverage ratio.

In connection with Sunoco LP’s acquisition of NuStar, Sunoco LP expects to assume NuStar’s debt and issue additional debt, aggregating approximately $4.2 billion, subsequent to which it expects to remain in compliance with all existing financial covenants.

Covenants Related to USAC

The USAC Credit Facility contains covenants that limit (subject to certain exceptions) USAC’s ability to, among other things:

•grant liens;

•make certain loans or investments;

•incur additional indebtedness or guarantee other indebtedness;

•enter into transactions with affiliates;

•merge or consolidate;

•sell our assets; and

•make certain acquisitions.

The USAC Credit Facility is also subject to the following financial covenants, including covenants requiring USAC to maintain:

•a minimum EBITDA to interest coverage ratio;

•a ratio of total secured indebtedness to EBITDA within a specified range; and

•a maximum funded debt to EBITDA ratio.

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Index to Financial Statements

Compliance with our Covenants

We and our subsidiaries were in compliance with all requirements, tests, limitations, and covenants related to our debt agreements as of December 31, 2023.

Cash Distributions

Cash Distributions Paid by Energy Transfer

Under its Partnership Agreement, Energy Transfer will distribute all of its Available Cash, as defined in the Partnership Agreement, within 50 days following the end of each fiscal quarter. Available Cash generally means, with respect to any quarter, all cash on hand at the end of such quarter less the amount of cash reserves that are necessary or appropriate in the reasonable discretion of our general partner that is necessary or appropriate to provide for future cash requirements.

Energy Transfer Common Unit Distributions

Distributions declared and paid with respect to Energy Transfer common units were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	February 8, 2021	February 19, 2021	$	0.1525
March 31, 2021	May 11, 2021	May 19, 2021	0.1525
June 30, 2021	August 6, 2021	August 19, 2021	0.1525
September 30, 2021	November 5, 2021	November 19, 2021	0.1525
December 31, 2021	February 8, 2022	February 18, 2022	0.1750
March 31, 2022	May 9, 2022	May 19, 2022	0.2000
June 30, 2022	August 8, 2022	August 19, 2022	0.2300
September 30, 2022	November 4, 2022	November 21, 2022	0.2650
December 31, 2022	February 7, 2023	February 21, 2023	0.3050
March 31, 2023	May 8, 2023	May 22, 2023	0.3075
June 30, 2023	August 14, 2023	August 21, 2023	0.3100
September 30, 2023	October 30, 2023	November 20, 2023	0.3125
December 31, 2023	February 7, 2024	February 20, 2024	0.3150

The total amounts of distributions declared and paid during the periods presented (all from Available Cash from Energy Transfer’s operating surplus and are shown in the period to which they relate) are as follows:

	Years Ended December 31,
	2023		2022
Limited Partners	$	3,984	$	3,089
General Partner interest	3		3
Total Energy Transfer distributions	$	3,987	$	3,092

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Index to Financial Statements

Energy Transfer Preferred Unit Distributions

Distributions on Energy Transfer’s preferred units declared and/or paid by Energy Transfer were as follows:

Period Ended	Record Date	Payment Date	Series A (1)	Series B (1)	Series C	Series D	Series E	Series F (1)	Series G (1)	Series H (1)		Series I
March 31, 2021	May 3, 2021	May 17, 2021	$—	$—	$0.4609	$0.4766	$0.4750	$33.75	$35.63	$—		$—
June 30, 2021	August 2, 2021	August 16, 2021	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
September 30, 2021	November 1, 2021	November 15, 2021	—	—	0.4609	0.4766	0.4750	33.75	35.63	27.08	*	—
December 31, 2021	February 1, 2022	February 15, 2022	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
March 31, 2022	May 2, 2022	May 16, 2022	—	—	0.4609	0.4766	0.4750	33.75	35.63	32.50		—
June 30, 2022	August 1, 2022	August 15, 2022	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
September 30, 2022	November 1, 2022	November 15, 2022	—	—	0.4609	0.4766	0.4750	33.75	35.63	32.50		—
December 31, 2022	February 1, 2023	February 15, 2023	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
March 31, 2023	May 1, 2023	May 15, 2023	21.98	—	0.4609	0.4766	0.4750	33.75	35.63	32.50		—
June 30, 2023	August 1, 2023	August 15, 2023	23.89	33.125	0.6294	0.4766	0.4750	—	—	—		—
September 30, 2023	November 1, 2023	November 15, 2023	24.67	—	0.6489	0.6622	0.4750	33.75	35.63	32.50		—
December 31, 2023	February 1, 2024	February 15, 2024	24.71	33.125	0.6075	0.6199	0.4750	—	—	—		0.2111

*    Represents prorated initial distribution.

(1)    Series B, Series F, Series G and Series H distributions are currently paid on a semi-annual basis. Pursuant to their terms, distributions on the Series A preferred units began to be paid quarterly on February 15, 2023, and distributions on the Series B preferred units will begin to be paid quarterly on February 15, 2028.

Sunoco LP Cash Distributions

Energy Transfer owns approximately 28.5 million Sunoco LP common units and all of Sunoco LP’s IDRs. As of December 31, 2023, Sunoco LP had approximately 84.4 million common units outstanding.

The following table illustrates the percentage allocations of available cash from operating surplus between Sunoco LP’s common unitholders and the holder of its IDRs based on the specified target distribution levels, after the payment of distributions to Class C unitholders. The amounts set forth under “marginal percentage interest in distributions” are the percentage interests of the IDR holder and the common unitholders in any available cash from operating surplus which Sunoco LP distributes up to and including the corresponding amount in the column “total quarterly distribution per unit target amount.” The percentage interests shown for common unitholders and IDR holder for the minimum quarterly distribution are also applicable to quarterly distribution amounts that are less than the minimum quarterly distribution.

		Marginal Percentage Interest in Distributions
	Total Quarterly Distribution Target Amount	Common Unitholders	Holder of IDRs
Minimum Quarterly Distribution	$0.4375	100%	—%
First Target Distribution	$0.4375 to $0.503125	100%	—%
Second Target Distribution	$0.503125 to $0.546875	85%	15%
Third Target Distribution	$0.546875 to $0.656250	75%	25%
Thereafter	Above $0.656250	50%	50%

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Index to Financial Statements

Distributions on Sunoco LP’s units declared and/or paid by Sunoco LP were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	February 8, 2021	February 19, 2021	$	0.8255
March 31, 2021	May 11, 2021	May 19, 2021	0.8255
June 30, 2021	August 6, 2021	August 19, 2021	0.8255
September 30, 2021	November 5, 2021	November 19, 2021	0.8255
December 31, 2021	February 8, 2022	February 18, 2022	0.8255
March 31, 2022	May 9, 2022	May 19, 2022	0.8255
June 30, 2022	August 8, 2022	August 19, 2022	0.8255
September 30, 2022	November 4, 2022	November 18, 2022	0.8255
December 31, 2022	February 7, 2023	February 21, 2023	0.8255
March 31, 2023	May 8, 2023	May 22, 2023	0.8420
June 30, 2023	August 14, 2023	August 21, 2023	0.8420
September 30, 2023	October 30, 2023	November 20, 2023	0.8420
December 31, 2023	February 7, 2024	February 20, 2024	0.8420

The total amount of distributions to the Partnership from Sunoco LP for the periods presented below is as follows:

	Years Ended December 31,
	2023		2022
Distributions from Sunoco LP
Limited Partner interests	$	96	$	94
General Partner interest and IDRs	77		72
Total distributions from Sunoco LP	$	173	$	166

USAC Cash Distributions

Energy Transfer owns approximately 46.1 million USAC common units. As of December 31, 2023, USAC had approximately 101.0 million common units outstanding. USAC currently has a non-economic general partner interest and no outstanding IDRs.

Distributions on USAC’s units declared and/or paid by USAC were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	January 25, 2021	February 5, 2021	$	0.5250
March 31, 2021	April 26, 2021	May 7, 2021	0.5250
June 30, 2021	July 26, 2021	August 6, 2021	0.5250
September 30, 2021	October 25, 2021	November 5, 2021	0.5250
December 31, 2021	January 24, 2022	February 4, 2022	0.5250
March 31, 2022	April 25, 2022	May 6, 2022	0.5250
June 30, 2022	July 25, 2022	August 5, 2022	0.5250
September 30, 2022	October 24, 2022	November 4, 2022	0.5250
December 31, 2022	January 23, 2023	February 3, 2023	0.5250
March 31, 2023	April 24, 2023	May 5, 2023	0.5250
June 30, 2023	July 24, 2023	August 4, 2023	0.5250
September 30, 2023	October 23, 2023	November 3, 2023	0.5250
December 31, 2023	January 22, 2024	February 2, 2024	0.5250

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The total amount of distributions to the Partnership from USAC for the periods presented below is as follows:

	Years Ended December 31,
	2023		2022
Distributions from USAC
Limited Partner interests	$	97	$	97
Total distributions from USAC	$	97	$	97

Critical Accounting Estimates

The selection and application of accounting policies is an important process that has developed as our business activities have evolved and as the accounting rules have developed. Accounting rules generally do not involve a selection among alternatives, but involve an implementation and interpretation of existing rules, and the use of judgment applied to the specific set of circumstances existing in our business. We make every effort to properly comply with all applicable rules, and we believe the proper implementation and consistent application of the accounting rules are critical. Our critical accounting policies are discussed below. For further details on our accounting policies see Note 2 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

Use of Estimates. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the accrual for and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The natural gas industry conducts its business by processing actual transactions at the end of the month following the month of delivery. Consequently, the most current month’s financial results are estimated using volume estimates and market prices for our intrastate transportation and storage segment, our midstream segment, and our NGL and refined products transportation and services segment. Any differences between estimated results and actual results are recognized in the following month’s financial statements. Management believes that the operating results estimated for the year ended December 31, 2023 represent the actual results in all material respects.

Some of the other significant estimates made by management include, but are not limited to, the timing of certain forecasted transactions that are hedged, the fair value of derivative instruments, useful lives for depreciation, depletion and amortization, purchase accounting allocations and subsequent realizability of intangible assets, fair value measurements used in the goodwill impairment test, market value of inventory, assets and liabilities resulting from the regulated ratemaking process, contingency reserves and environmental reserves. Actual results could differ from those estimates.

Fair Value Estimates in Business Combination Accounting and Impairment of Long-Lived Assets, Goodwill, Intangible Assets and Investments in Unconsolidated Affiliates. Business combination accounting and quantitative impairment testing are required from time to time due to the occurrence of events, changes in circumstances, or annual testing requirements. For business combinations, assets and liabilities are required to be recorded at estimated fair value in connection with the initial recognition of the transaction. For impairment testing, long-lived assets are required to be tested for recoverability whenever events or changes in circumstances indicate that the carrying amount of the asset may not be recoverable. Goodwill and intangibles with indefinite lives must be tested for impairment annually or more frequently if events or changes in circumstances indicate that the related asset might be impaired. An impairment of an investment in an unconsolidated affiliate is recognized when circumstances indicate that a decline in the investment value is other than temporary. An impairment loss should be recognized only if the carrying amount of the asset/goodwill is not recoverable and exceeds its fair value. Calculating the fair value of assets or reporting units in connection with business combination accounting or impairment testing requires management to make several estimates, assumptions and judgements, and in some circumstances management may also utilize third-party specialists to assist and advise on those calculations.

In order to allocate the purchase price in a business combination or to test for recoverability when performing a quantitative impairment test, we must make estimates of projected cash flows related to the asset, which include, but are not limited to, assumptions about the use or disposition of the asset, estimated remaining life of the asset, and future expenditures necessary to maintain the asset’s existing service potential. In order to determine fair value, we make certain estimates and assumptions, including, among other things, changes in general economic conditions in regions in which our markets are located, the availability and prices of commodities, our ability to negotiate favorable sales agreements, the risks that exploration and production activities will not occur or be successful, our dependence on certain significant customers and producers, and competition from other companies, including major energy producers. While we believe we have made reasonable assumptions to calculate the fair value, if future results are not consistent with our estimates, we could be exposed to future impairment losses that could be material to our results of operations.

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The Partnership determines the fair value of its assets and/or reporting units using the discounted cash flow method, the guideline company method, the reproduction and replacement methods, or a weighted combination of these methods. Determining the fair value of a reporting unit requires judgment and the use of significant estimates and assumptions. Such estimates and assumptions include revenue growth rates, operating margins, weighted average costs of capital and future market conditions, among others. The Partnership believes the estimates and assumptions used in our business combination accounting and impairment assessments are reasonable and based on available market information, but variations in any of the assumptions could result in materially different calculations of fair value and determinations of whether or not an impairment is indicated. Under the discounted cash flow method, the Partnership determines fair value based on estimated future cash flows of each reporting unit including estimates for capital expenditures, discounted to present value using the risk-adjusted industry rate, which reflect the overall level of inherent risk of the reporting unit. Cash flow projections are derived from one year budgeted amounts and five year operating forecasts plus an estimate of later period cash flows, all of which are evaluated by management. Subsequent period cash flows are developed for each reporting unit using growth rates that management believes are reasonably likely to occur. Under the guideline company method, the Partnership determines the estimated fair value of each of our reporting units by applying valuation multiples of comparable publicly-traded companies to each reporting unit’s projected EBITDA and then averaging that estimate with similar historical calculations using a multi-year average. In addition, the Partnership estimates a reasonable control premium, when appropriate, representing the incremental value that accrues to the majority owner from the opportunity to dictate the strategic and operational actions of the business. Under the reproduction and replacement methods, the Partnership determines the fair value of assets based on the estimated installation, engineering, and set-up costs related to the asset; these methods require the use of trend factors, such as inflation indices.

One key assumption in these fair value calculations is management’s estimate of future cash flows and EBITDA. In accounting for a business combination, these estimates are generally based on the forecasts that were used to analyze the deal economics. For impairment testing, these estimates are based on the annual budget for the upcoming year and forecasted amounts for multiple subsequent years. The annual budget process is typically completed near the annual goodwill impairment testing date, and management uses the most recent information for the annual impairment tests. The forecast is also subjected to a comprehensive update annually in conjunction with the annual budget process and is revised periodically to reflect new information and/or revised expectations. The estimates of future cash flows and EBITDA are subjective in nature and are subject to impacts from the business risks described in “Item 1A. Risk Factors.” Therefore, the actual results could differ significantly from the amounts used for business combination accounting and impairment testing, and significant changes in fair value estimates could occur in a given period. Such changes in fair value estimates could result in changes to the fair value estimates used in business combination accounting, which could significantly impact results of operations in a period subsequent to the business combination, depending on multiple factors, including the timing of such changes. In the case of impairment testing, such changes could result in additional impairments in future periods; therefore, the actual results could differ significantly from the amounts used for goodwill impairment testing, and significant changes in fair value estimates could occur in a given period, resulting in additional impairments.

In addition, we may change our method of impairment testing, including changing the weight assigned to different valuation models. Such changes could be driven by various factors, including the level of precision or availability of data for our assumptions. Any changes in the method of testing could also result in an impairment or impact the magnitude of an impairment.

During the years ended December 31, 2023, 2022 and 2021, the Partnership recorded total assets of $9.71 billion, $1.38 billion and $8.58 billion, respectively, in connection with business combinations.

During the years ended December 31, 2023, 2022 and 2021, the Partnership recorded impairments totaling $12 million, $386 million and $21 million, respectively. Additional information on the impairments recorded during these periods is available in Note 2 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

Management does not believe that any of the Partnership’s goodwill balances, long-lived assets or investments in unconsolidated affiliates is currently at significant risk of a material impairment; however, of the $4.02 billion of goodwill on the Partnership’s consolidated balance sheet as of December 31, 2023, approximately $368 million is recorded in reporting units for which the estimated fair value exceeded the carrying value by approximately 20% or less in the most recent quantitative test.

Estimated Useful Lives of Long-Lived Assets. Depreciation and amortization of long-lived assets is provided using the straight-line method based on their estimated useful lives. Changes in the estimated useful lives of the assets could have a material effect on our results of operation. The Partnership’s results of operations have not been significantly impacted by changes in the estimated useful lives of our long-lived assets during the periods presented, and we do not anticipate any such significant changes in the future. However, changes in facts and circumstances could cause us to change the estimated useful lives of the

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assets, which could significantly impact the Partnership’s results of operations. Additional information on our accounting policies and the estimated useful lives associated with our long-lived assets is available in Note 2 to our consolidated financial statements in “Item 8. Financial Statements and Supplementary Data.”

Legal and Regulatory Matters. We are subject to litigation and regulatory proceedings as a result of our business operations and transactions. We utilize both internal and external counsel in evaluating our potential exposure to adverse outcomes from claims, orders, judgments or settlements. To the extent that actual outcomes differ from our estimates, or additional facts and circumstances cause us to revise our estimates, our earnings will be affected. We expense legal costs as incurred, and all recorded legal liabilities are revised, as required, as better information becomes available to us. The factors we consider when recording an accrual for contingencies include, among others: (i) the opinions and views of our legal counsel; (ii) our previous experience; and (iii) the decision of our management as to how we intend to respond to the complaints. As of December 31, 2023 and 2022, accruals of $285 million and $200 million, respectively, were reflected in our consolidated balance sheets related to these contingent obligations.

For more information on our litigation and contingencies, see Note 11 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data” in this annual report.

Environmental Remediation Activities. The Partnership’s accrual for environmental remediation activities reflects anticipated work at identified sites where an assessment has indicated that cleanup costs are probable and reasonably estimable. The accrual for known claims is undiscounted and is based on currently available information, estimated timing of remedial actions and related inflation assumptions, existing technology and presently enacted laws and regulations. It is often extremely difficult to develop reasonable estimates of future site remediation costs due to changing regulations, changing technologies and their associated costs, and changes in the economic environment. Engineering studies, historical experience and other factors are used to identify and evaluate remediation alternatives and their related costs in determining the estimated accruals for environmental remediation activities.

Losses attributable to unasserted claims are generally reflected in the accruals on an undiscounted basis, to the extent they are probable of occurrence and reasonably estimable. We have established a wholly owned captive insurance company to bear certain risks associated with environmental obligations related to certain sites that are no longer operating. The premiums paid to the captive insurance company include estimates for environmental claims that have been incurred but not reported, based on an actuarially determined fully developed claims expense estimate. In such cases, we accrue losses attributable to unasserted claims based on the discounted estimates that are used to develop the premiums paid to the captive insurance company.

In general, each remediation site/issue is evaluated individually based upon information available for the site/issue and no pooling or statistical analysis is used to evaluate an aggregate risk for a group of similar items (e.g., service station sites) in determining the amount of probable loss accrual to be recorded. The Partnership’s estimates of environmental remediation costs also frequently involve evaluation of a range of estimates. In many cases, it is difficult to determine that one point in the range of loss estimates is more likely than any other. In these situations, existing accounting guidance requires that the minimum of the range be accrued. Accordingly, the low end of the range often represents the amount of loss which has been recorded. The Partnership’s consolidated balance sheets reflected $277 million and $282 million in environmental accruals as of December 31, 2023 and 2022, respectively.

Total future costs for environmental remediation activities will depend upon, among other things, the identification of any additional sites, the determination of the extent of the contamination at each site, the timing and nature of required remedial actions, the nature of operations at each site, the technology available and needed to meet the various existing legal requirements, the nature and terms of cost-sharing arrangements with other potentially responsible parties, the availability of insurance coverage, the nature and extent of future environmental laws and regulations, inflation rates, terms of consent agreements or remediation permits with regulatory agencies and the determination of the Partnership’s liability at the sites, if any, in light of the number, participation level and financial viability of the other parties. The recognition of additional losses, if and when they were to occur, would likely extend over many years. Management believes that the Partnership’s exposure to adverse developments with respect to any individual site is not expected to be material. However, if changes in environmental laws or regulations occur or the assumptions used to estimate losses at multiple sites are adjusted, such changes could impact multiple facilities, formerly owned facilities and third-party sites at the same time. As a result, from time to time, significant charges against income for environmental remediation may occur; however, management does not believe that any such charges would have a material adverse impact on the Partnership’s consolidated financial position.

Deferred Income Taxes. Energy Transfer recognizes benefits in earnings and related deferred tax assets for net operating loss carryforwards (“NOLs”) and tax credit carryforwards. If necessary, a charge to earnings and a related valuation allowance are recorded to reduce deferred tax assets to an amount that is more likely than not to be realized by the Partnership in the future. Deferred income tax assets attributable to state and federal NOLs and federal excess business interest expense carryforwards

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totaling $371 million have been included in Energy Transfer’s consolidated balance sheet as of December 31, 2023. The state NOL carryforward benefits of $96 million ($75 million net of federal benefit) began expiring in 2023 with a substantial portion expiring between 2033 and 2039. Energy Transfer’s corporate subsidiaries have federal NOLs of $1.4 billion ($291 million in benefits), all of which was generated in 2018 or later. A total of $341 million of the federal net operating loss carryforward is limited under IRC §382. Although we expect to fully utilize the IRC §382 limited federal net operating loss, the amount utilized in a particular year may be limited. Any federal NOL generated in 2018 and future years can be carried forward indefinitely. In making the assessment of the future realization of the deferred tax assets, we rely on future reversals of existing taxable temporary differences, tax planning strategies and forecasted taxable income based on historical and projected future operating results. The potential need for valuation allowances is regularly reviewed by management. If it is more likely than not that the recorded asset will not be realized, additional valuation allowances which increase income tax expense may be recognized in the period such determination is made. Likewise, if it is more likely than not that additional deferred tax assets will be realized, an adjustment to the deferred tax asset will increase income in the period such determination is made.

Forward-Looking Statements

This annual report contains various forward-looking statements and information that are based on our beliefs and those of our General Partner, as well as assumptions made by and information currently available to us. These forward-looking statements are identified as any statement that does not relate strictly to historical or current facts. When used in this annual report, words such as “anticipate,” “project,” “expect,” “plan,” “goal,” “forecast,” “estimate,” “intend,” “could,” “believe,” “may,” “will” and similar expressions and statements regarding our plans and objectives for future operations, are intended to identify forward-looking statements. Although we and our General Partner believe that the expectations on which such forward-looking statements are based are reasonable, neither we nor our General Partner can give assurances that such expectations will prove to be correct. Forward-looking statements are subject to a variety of risks, uncertainties and assumptions. If one or more of these risks or uncertainties materialize, or if underlying assumptions prove incorrect, our actual results may vary materially from those anticipated, estimated, projected or expected. Among the key risk factors that may have a direct bearing on our results of operations and financial condition are:

•the ability of our subsidiaries to make cash distributions to us, which is dependent on their results of operations, cash flows and financial condition;

•the actual amount of cash distributions by our subsidiaries to us;

•the volumes transported on our subsidiaries’ pipelines and gathering systems;

•the level of throughput in our subsidiaries’ processing and treating facilities;

•the fees our subsidiaries charge and the margins they realize for their gathering, treating, processing, storage and transportation services;

•the prices and market demand for, and the relationship between, natural gas and NGLs;

•energy prices generally;

•impacts of world health events;

•the possibility of cyber and malware attacks;

•the prices of natural gas and NGLs compared to the price of alternative and competing fuels;

•the general level of petroleum product demand and the availability and price of NGL supplies;

•the level of domestic oil, natural gas and NGL production;

•the availability of imported oil, natural gas and NGLs;

•actions taken by foreign oil and gas producing nations;

•the political and economic stability of petroleum producing nations;

•the effect of weather conditions on demand for oil, natural gas and NGLs;

•availability of local, intrastate and interstate transportation systems;

•the continued ability to find and contract for new sources of natural gas supply;

•availability and marketing of competitive fuels;

•the impact of energy conservation efforts;

•energy efficiencies and technological trends;

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Index to Financial Statements

•governmental regulation and taxation;

•changes to, and the application of, regulation of tariff rates and operational requirements related to our subsidiaries’ interstate and intrastate pipelines;

•hazards or operating risks incidental to the gathering, treating, processing and transporting of natural gas and NGLs;

•competition from other midstream companies and interstate pipeline companies;

•loss of key personnel;

•loss of key natural gas producers or the providers of fractionation services;

•reductions in the capacity or allocations of third-party pipelines that connect with our subsidiaries pipelines and facilities;

•the effectiveness of risk-management policies and procedures and the ability of our subsidiaries liquids marketing counterparties to satisfy their financial commitments;

•the nonpayment or nonperformance by our subsidiaries’ customers;

•risks related to the development of new infrastructure projects or other growth projects, including failure to make sufficient progress to justify continued development, delays in obtaining customers, increased costs of financing and regulatory, environmental, political and legal uncertainties that may affect the timing and cost of these projects;

•risks associated with the construction of new pipelines, treating and processing facilities or other facilities, or additions to our subsidiaries’ existing pipelines and their facilities, including difficulties in obtaining permits and rights-of-way or other regulatory approvals and the performance by third-party contractors;

•the availability and cost of capital and our subsidiaries’ ability to access certain capital sources;

•a deterioration of the credit and capital markets;

•risks associated with the assets and operations of entities in which our subsidiaries own a noncontrolling interests, including risks related to management actions at such entities that our subsidiaries may not be able to control or exert influence;

•the ability to successfully identify and consummate strategic acquisitions at purchase prices that are accretive to our financial results and to successfully integrate acquired businesses;

•changes in laws and regulations to which we are subject, including tax, environmental, transportation and employment regulations or new interpretations by regulatory agencies concerning such laws and regulations;

•the costs and effects of legal and administrative proceedings; and

•risks associated with a potential failure to successfully combine our business with that of Crestwood.

You should not put undue reliance on any forward-looking statements. When considering forward-looking statements, please review the risks described under “Item 1A. Risk Factors” in this annual report. Any forward-looking statement made by us in this Annual Report on Form 10-K is based only on information currently available to us and speaks only as of the date on which it is made. We undertake no obligation to publicly update any forward-looking statement, whether written or oral, that may be made from time to time, whether as a result of new information, future developments or otherwise.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

(Tabular dollar amounts are in millions)

Market risk includes the risk of loss arising from adverse changes in market rates and prices. We face market risk from commodity variations, risk and interest rate variations, and to a lesser extent, credit risks. From time to time, we may utilize derivative financial instruments as described below to manage our exposure to such risks.

Commodity Price Risk

We are exposed to market risks related to the volatility of commodity prices. To manage the impact of volatility from these prices, we utilize various exchange-traded and OTC commodity financial instrument contracts. These contracts consist primarily of futures, swaps and options and are recorded at fair value in our consolidated balance sheets.

We use futures and basis swaps, designated as fair value hedges, to hedge our natural gas inventory stored in our Bammel storage facility. At hedge inception, we lock in a margin by purchasing gas in the spot market or off-peak season and entering into a financial contract. Changes in the spreads between the forward natural gas prices and the physical inventory spot price result in unrealized gains or losses until the underlying physical gas is withdrawn and the related designated derivatives are

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settled. Once the gas is withdrawn and the designated derivatives are settled, the previously unrealized gains or losses associated with these positions are realized.

We use futures, swaps and options to hedge the sales price of natural gas we retain for fees in our intrastate transportation and storage segment and operational gas sales on our interstate transportation and storage segment. These contracts are not designated as hedges for accounting purposes.

We use NGL and crude derivative swap contracts to hedge forecasted sales of NGL and condensate equity volumes we retain for fees in our midstream segment whereby our subsidiaries generally gather and process natural gas on behalf of producers, sell the resulting residue gas and NGL volumes at market prices and remit to producers an agreed upon percentage of the proceeds based on an index price for the residue gas and NGL. These contracts are not designated as hedges for accounting purposes.

We utilize swaps, futures and other derivative instruments to mitigate the risk associated with market movements in the price of natural gas, refined products and NGLs to manage our storage facilities and the purchase and sale of purity NGL. These contracts are not designated as hedges for accounting purposes.

We use futures and swaps to achieve ratable pricing of crude oil purchases, to convert certain expected refined product sales to fixed or floating prices, to lock in margins for certain refined products and to lock in the price of a portion of natural gas purchases or sales. These contracts are not designated as hedges for accounting purposes.

We use financial commodity derivatives to take advantage of market opportunities in our trading activities which complement our intrastate transportation and storage segment’s operations and are netted in cost of products sold in our consolidated statements of operations. We also have trading and marketing activities related to power and natural gas in our all other segment which are also netted in cost of products sold. As a result of our trading activities and the use of derivative financial instruments in our intrastate transportation and storage segment, the degree of earnings volatility that can occur may be significant, favorably or unfavorably, from period to period. We attempt to manage this volatility through the use of daily position and profit and loss reports provided to our risk oversight committee, which includes members of senior management, and the limits and authorizations set forth in our commodity risk management policy.

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Index to Financial Statements

The following tables summarize commodity-related financial derivative instruments, fair values and the effect of an assumed hypothetical 10% change in the underlying price of the commodity as of December 31, 2023 and 2022 for the Partnership and its consolidated subsidiaries. Dollar amounts are presented in millions.

	December 31, 2023					December 31, 2022
	Notional Volume	Fair Value Asset (Liability)		Effect of Hypothetical 10% Change		Notional Volume	Fair Value Asset (Liability)		Effect of Hypothetical 10% Change
Mark-to-Market Derivatives
(Trading)
Natural Gas (BBtu):
Fixed Swaps/Futures	(1,878)	$	4	$	—	145	$	—	$	—
Basis Swaps IFERC/NYMEX(1)	(171,185)	16		4		(39,563)	54		3
Swing Swaps	(900)	—		—		—	—		—
Options – Puts	1,900	(2)		—		—	—		—
Option - Calls	250	—		—		—	—		—
Power (Megawatt):
Forwards	155,600	1		—		—	1		—
Futures	(464,897)	—		1		(21,384)	—		—
Options – Puts	136,000	—		—		119,200	—		—
Options – Calls	—	—		—		—	—		—
Crude (MBbls):
Option - Puts	(15)	—		—		—	—		—
Option - Calls	(20)	—		—		—	—		—
NGL/Refined Products (MBbls):
Option - Puts	121	(1)		—		—	—		—
Option - Calls	(43)	(1)		—		—	—		—
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	124,210	4		1		42,440	(41)		4
Swing Swaps IFERC	(96,828)	18		1		(202,815)	63		7
Fixed Swaps/Futures	7,125	12		2		(15,758)	51		7
Forward Physical Contracts	(1,751)	8		1		2,423	8		1
NGL (MBbls) – Forwards/Swaps	(13,870)	20		43		6,934	(41)		63
Crude (MBbls) – Forwards/Swaps	(2,674)	8		5		795	26		22
Refined Products (MBbls) – Futures	(4,548)	17		38		(3,547)	(39)		37
Fair Value Hedging Derivatives
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	(39,013)	1		1		(37,448)	22		2
Fixed Swaps/Futures	(39,013)	45		9		(37,448)	58		17

(1)Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.

The fair values of the commodity-related financial positions have been determined using independent third-party prices, readily available market information and appropriate valuation techniques. Non-trading positions offset physical exposures to the cash market; none of these offsetting physical exposures are included in the above tables. Price-risk sensitivities were calculated by assuming a theoretical 10% change (increase or decrease) in price regardless of term or historical relationships between the contractual price of the instruments and the underlying commodity price. Results are presented in absolute terms and represent a potential gain or loss in net income or in other comprehensive income. In the event of an actual 10% change in prompt month

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natural gas prices, the fair value of our total derivative portfolio may not change by 10% due to factors such as when the financial instrument settles and the location to which the financial instrument is tied (i.e., basis swaps) and the relationship between prompt month and forward months.

Interest Rate Risk

As of December 31, 2023, we and our subsidiaries had $3.29 billion of floating rate debt outstanding. A hypothetical change of 100 basis points would result in a maximum potential change to interest expense of $33 million annually; however, our actual change in interest expense may be less in a given period due to interest rate floors included in our variable rate debt instruments. We manage a portion of our interest rate exposure by utilizing interest rate swaps, including forward-starting interest rate swaps to lock-in the rate on a portion of anticipated debt issuances.

The following table summarizes our interest rate swaps outstanding (including USAC’s), none of which were designated as hedges for accounting purposes (dollar amounts presented in millions):

Term	Type	Notional Amount Outstanding
		December 31, 2023		December 31, 2022
Energy Transfer
July 2024 (1)	Forward-starting to pay a fixed rate of 3.388% and receive a floating rate based on SOFR	$	—	$	400
USAC
December 2025	Pay a fixed rate of 3.9725% and receive a floating rate based on SOFR	700		—

(1)The July 2024 interest rate swaps were terminated and settled in August 2023.

A hypothetical change of 100 basis points in interest rates for USAC’s interest rate swap would result in a net change in the fair value of interest rate derivatives and earnings (recognized in gains on interest rate derivatives) of $15 million as of December 31, 2023. For the forward-starting interest rate swaps, a hypothetical change of 100 basis points in interest rates would not affect cash flows until the swaps are settled.

As of December 31, 2023, the Partnership also had outstanding Series A Preferred Units, Series C Preferred Units and Series D Preferred Units with aggregate liquidation preferences of $950 million, $450 million and $445 million, respectively, for which distributions are based on a floating rate. A hypothetical change of 100 basis points in interest rates would result in a net change in preferred unit distributions of $18 million annually for the Series A Preferred Units, Series C Preferred Units and Series D Preferred Units in the aggregate. Excluding the Series C Preferred Units and the Series D Preferred Units (both of which were redeemed in February 2024), a hypothetical change of 100 basis point would result in a net change of $10 million in Series A Preferred Unit distributions only.

As of December 31, 2023, the Partnership had $600 million of Floating Rate Junior Subordinated Notes outstanding, as well as the Series A Preferred Units, Series C Preferred Units and Series D Preferred Units, the floating rates for each of which were based on the three-month SOFR rate plus a 0.26161% tenor spread adjustment. Such tenor spread adjustment will be in addition to the applicable spread for each series of Preferred Units and Floating Rate Junior Subordinated Notes.

Credit Risk and Customers

Credit risk refers to the risk that a counterparty may default on its contractual obligations resulting in a loss to the Partnership. Credit policies have been approved and implemented to govern the Partnership’s portfolio of counterparties with the objective of mitigating credit losses. These policies establish guidelines, controls and limits to manage credit risk within approved tolerances by mandating an appropriate evaluation of the financial condition of existing and potential counterparties, monitoring agency credit ratings and by implementing credit practices that limit exposure according to the risk profiles of the counterparties. Furthermore, the Partnership may, at times, require collateral under certain circumstances to mitigate credit risk as necessary. The Partnership also uses industry standard commercial agreements which allow for the netting of exposures associated with transactions executed under a single commercial agreement. Additionally, we utilize master netting agreements to offset credit exposure across multiple commercial agreements with a single counterparty or affiliated group of counterparties.

Our natural gas transportation and midstream revenues are derived significantly from companies that engage in exploration and production activities. In addition to oil and gas producers, the Partnership’s counterparties consist of a diverse portfolio of customers across the energy industry, including petrochemical companies, commercial and industrial end-users, municipalities, gas and electric utilities, midstream companies and independent power generators. Our overall exposure may be affected

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positively or negatively by macroeconomic or regulatory changes that impact our counterparties to one extent or another. Currently, management does not anticipate a material adverse effect in our financial position or results of operations as a consequence of counterparty non-performance.

For financial instruments, failure of a counterparty to perform on a contract could result in our inability to realize amounts that have been recorded on our consolidated balance sheets and recognized in net income or other comprehensive income.

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

The financial statements starting on page F-1 of this report are incorporated by reference.

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING

AND FINANCIAL DISCLOSURE

None.

ITEM 9A. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

An evaluation was performed under the supervision and with the participation of our management, including Marshall S. McCrea, III and Thomas E. Long, Co-Chief Executive Officers of our General Partner (Co-Principal Executive Officers), and Dylan A. Bramhall (Principal Financial Officer), of the effectiveness of the design and operation of our disclosure controls and procedures (as such terms are defined in Rules 13a–15(e) and 15d–15(e) of the Exchange Act) as of the end of the period covered by this report. Based upon that evaluation, management, including Messrs. McCrea, Long and Bramhall, concluded that our disclosure controls and procedures were adequate and effective as of December 31, 2023.

Management’s Report on Internal Control over Financial Reporting

The management of Energy Transfer LP and subsidiaries is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rule 13a-15(f). Under the supervision and with the participation of our management, including the Co-Chief Executive Officers and Chief Financial Officer of our General Partner, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO Framework”).

On November 3, 2023, Energy Transfer LP completed its acquisition of Crestwood. Management acknowledges that it is responsible for establishing and maintaining a system of internal controls over financial reporting for Crestwood. We are in the process of integrating Crestwood, and we therefore have excluded Crestwood from our December 31, 2023 assessment of the effectiveness of internal control over financial reporting. Crestwood had total assets of $8.24 billion as of December 31, 2023 and third-party revenues of $789 million from November 3, 2023 to December 31, 2023, which are included in our consolidated financial statements as of and for the year ended December 31, 2023. The impact of the acquisition of Crestwood has not materially affected and is not expected to materially affect our internal control over financial reporting. As a result of these integration activities, certain controls are being evaluated and may be changed. We believe, however, that we will be able to maintain sufficient controls over the substantive results of our financial reporting throughout this integration process.

Based on our evaluation under the COSO framework, our management concluded that our internal control over financial reporting was effective as of December 31, 2023.

Grant Thornton LLP, an independent registered public accounting firm, has audited the effectiveness of our internal control over financial reporting as of December 31, 2023, as stated in their report, which is included herein.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Board of Directors of LE GP, LLC and

Unitholders of Energy Transfer LP

Opinion on internal control over financial reporting

We have audited the internal control over financial reporting of Energy Transfer LP (a Delaware limited partnership) and subsidiaries (the “Partnership”) as of December 31, 2023, based on criteria established in the 2013 Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”). In our opinion, the Partnership maintained, in all material respects, effective internal control over financial reporting as of December 31, 2023, based on criteria established in the 2013 Internal Control—Integrated Framework issued by COSO.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the consolidated financial statements of the Partnership as of and for the year ended December 31, 2023, and our report dated February 16, 2024 expressed an unqualified opinion on those financial statements.

Basis for opinion

The Partnership’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Partnership’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Partnership in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Our audit of, and opinion on, the Partnership’s internal control over financial reporting does not include the internal control over financial reporting of Crestwood Equity Partners LP (“Crestwood”), a consolidated subsidiary, whose financial statements reflect total assets and revenues constituting seven percent and one percent, respectively, of the related consolidated financial statement amounts as of and for the year ended December 31, 2023. As indicated in Management’s Report on Internal Control over Financial Reporting, Crestwood was acquired during 2023. Management’s assertion on the effectiveness of the Partnership’s internal control over financial reporting excluded internal control over financial reporting of Crestwood.

Definition and limitations of internal control over financial reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ GRANT THORNTON LLP

Dallas, Texas

February 16, 2024

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Changes in Internal Controls over Financial Reporting

There has been no change in our internal controls over financial reporting (as defined in Rules 13a–15(f) or Rule 15d–15(f)) that occurred in the three months ended December 31, 2023 that has materially affected, or is reasonably likely to materially affect, our internal controls over financial reporting.

ITEM 9B. OTHER INFORMATION

None.

ITEM 9C. DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS

Not applicable.

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PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Board of Directors

Our general partner, LE GP, LLC, manages and directs all of our activities. The officers and directors of Energy Transfer are officers and directors of LE GP, LLC. The members of our general partner elect our general partner’s Board of Directors. The board of directors of our general partner has the authority to appoint our executive officers, subject to provisions in the limited liability company agreement of our general partner. Pursuant to other authority, the board of directors of our general partner may appoint additional management personnel to assist in the management of our operations and, in the event of the death, resignation or removal of our chief executive officer, to appoint a replacement.

As of January 1, 2024, our Board of Directors is comprised of nine persons, four of whom qualify as “independent” under the NYSE’s corporate governance standards. As a limited partnership, we are not required under the NYSE’s corporate governance standards (Section 303A) to have a majority of independent directors. We have determined that Messrs. Anderson, Brannon, Grimm and Perry are all “independent” under the NYSE’s corporate governance standards.

As a limited partnership, we are not required by the rules of the NYSE to seek Unitholder approval for the election of any of our directors. We believe that the members of our general partner have appointed as directors individuals with experience, skills and qualifications relevant to the business of Energy Transfer, such as experience in energy or related industries or with financial markets, expertise in natural gas operations or finance, and a history of service in senior leadership positions. We do not have a formal process for identifying director nominees, nor do we have a formal policy regarding consideration of diversity in identifying director nominees, but we believe that the members of our general partner have endeavored to assemble a group of individuals with the qualities and attributes required to provide effective oversight of Energy Transfer.

Board Leadership Structure. We have no policy requiring either that the positions of the Chairman of the Board and the Chief Executive Officer, or CEO, be separate or that they be occupied by the same individual. The Board of Directors believes that this issue is properly addressed as part of the succession planning process and that a determination on this subject should be made when it elects a new chief executive officer or at such other times as when consideration of the matter is warranted by circumstances. Previously, the Board of Directors believed that the CEO was best situated to serve as Chairman because he was the director most familiar with the Partnership’s business and industry, and most capable of effectively identifying strategic priorities and leading the discussion and execution of strategy. Beginning in 2021, the Board of Directors has established separate roles for the Executive Chairman and Co-Chief Executive Officers. Independent directors and management have different perspectives and roles in strategy development. Our independent directors bring experience, oversight and expertise from outside the Partnership and from a variety of industries, while the Executive Chairman and Co-Chief Executive Officers bring extensive experience and expertise specifically related to the Partnership’s business.

Risk Oversight. Our Board of Directors generally administers its risk oversight function through the board as a whole. Our Co-CEOs, who report to the Board of Directors, have day-to-day risk management responsibilities. Our Co-CEOs attend the meetings of our Board of Directors, where the Board of Directors routinely receives reports on our financial results, the status of our operations, and other aspects of implementation of our business strategy, with ample opportunity for specific inquiries of management. In addition, at each regular meeting of the Board, management provides a report of Energy Transfer’s financial and operational performance, which often prompts questions or feedback from the Board of Directors. The Audit Committee provides additional risk oversight through its quarterly meetings, where it receives a report from Energy Transfer’s internal auditor, who reports directly to the Audit Committee, and reviews Energy Transfer’s contingencies with management and our independent auditors.

Corporate Governance

The Board of Directors has adopted both a Code of Business Conduct and Ethics applicable to our directors, officers and employees, and Corporate Governance Guidelines for directors and the Board. Current copies of our Code of Business Conduct and Ethics, Corporate Governance Guidelines and charters of the Audit and Compensation Committees of our Board of Directors are available on our website at www.energytransfer.com and will be provided in print form to any Unitholder requesting such information.

Please note that the preceding internet address is for information purposes only and is not intended to be a hyperlink. Accordingly, no information found and/or provided at such internet address or contained on our website in general is intended or deemed to be incorporated by reference in this report.

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Annual Certification

In 2023, our Co-Chief Executive Officers provided to the NYSE the annual CEO certification regarding our compliance with the NYSE’s corporate governance listing standards.

Conflicts Committee

Our Partnership Agreement provides that the Board of Directors may, from time to time, appoint members of the Board to serve on the Conflicts Committee with the authority to review specific matters for which the Board of Directors believes there may be a conflict of interest in order to determine if the resolution of such conflict proposed by the general partner is fair and reasonable to Energy Transfer and our Unitholders. As a policy matter, the Conflicts Committee generally reviews any proposed related-party transaction that may be material to Energy Transfer to determine if the transaction presents a conflict of interest and whether the transaction is fair and reasonable to Energy Transfer. Pursuant to the terms of our Partnership Agreement, any matters approved by the Conflicts Committee will be conclusively deemed to be fair and reasonable to the Energy Transfer, approved by all partners of Energy Transfer and not a breach by the general partner or its Board of Directors of any duties they may owe Energy Transfer or the Unitholders. These duties are limited by our Partnership Agreement (see “Risks Related to Conflicts of Interest” in “Item 1A. Risk Factors” in this annual report).

Audit Committee

The Board of Directors has established an Audit Committee in accordance with Section 3(a)(58)(A) of the Exchange Act. The Board of Directors appoints persons who are independent under the NYSE’s standards for audit committee members to serve on its Audit Committee. In addition, the Board determines that at least one member of the Audit Committee has such accounting or related financial management expertise sufficient to qualify such person as the audit committee financial expert in accordance with Item 407(d)(5) of Regulation S-K. The Board determined that based on relevant experience, Audit Committee member Michael K. Grimm qualified as an audit committee financial expert during 2023. A description of the qualifications of Mr. Grimm may be found elsewhere in this Item 10 under “Directors and Executive Officers of the General Partner.”

The Audit Committee meets on a regularly scheduled basis with our independent accountants at least four times each year and is available to meet at their request. The Audit Committee has the authority and responsibility to review our external financial reporting, review our procedures for internal auditing and the adequacy of our internal accounting controls, consider the qualifications and independence of our independent accountants, engage and direct our independent accountants, including the letter of engagement and statement of fees relating to the scope of the annual audit work and special audit work which may be recommended or required by the independent accountants, and to engage the services of any other advisors and accountants as the Audit Committee deems advisable. The Audit Committee reviews and discusses the audited financial statements with management, discusses with our independent auditors matters required to be discussed by auditing standards, and approves the filing of our Form 10-K, which includes our audited financial statements. The Audit Committee periodically recommends to the Board of Directors any changes or modifications to its charter that may be required. The Audit Committee has received written disclosures and the letter from Grant Thornton required by applicable requirements of the Audit Committee concerning independence and has discussed with Grant Thornton that firm’s independence. The Audit Committee recommended to the Board that the audited financial statements of Energy Transfer be included in Energy Transfer’s Annual Report on Form 10-K for the year ended December 31, 2023.

The Board of Directors adopts the charter for the Audit Committee. Steven R. Anderson, Richard D. Brannon and Michael K. Grimm serve as elected members of the Audit Committee.

Compensation and Nominating/Corporate Governance Committees

Although we are not required under NYSE rules to appoint a Compensation Committee or a Nominating/Corporate Governance Committee because we are a limited partnership, the Board of Directors of LE GP, LLC has previously established a Compensation Committee to establish standards and make recommendations concerning the compensation of our officers and directors. In addition, the Compensation Committee determines and establishes the standards for any awards to our employees and officers under the equity compensation plans, including the performance standards or other restrictions pertaining to the vesting of any such awards. Messrs. Anderson and Grimm serve as members of the Compensation Committee.

The responsibilities of the Energy Transfer Compensation Committee include, among other duties, the following:

•annually review and approve goals and objectives relevant to compensation of our Co-CEOs and CFO, if applicable;

•annually evaluate the CEO and CFO’s performance in light of these goals and objectives, and make recommendations to the Board of Directors with respect to the CEO and CFO’s compensation levels, if applicable, based on this evaluation;

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•make determinations with respect to the grant of equity-based awards to executive officers under Energy Transfer’s equity incentive plans;

•periodically evaluate the terms and administration of Energy Transfer’s long-term incentive plans to assure that they are structured and administered in a manner consistent with Energy Transfer’s goals and objectives;

•periodically evaluate incentive compensation and equity-related plans and consider amendments if appropriate;

•periodically evaluate the compensation of the directors;

•retain and terminate any compensation consultant to be used to assist in the evaluation of director, CEO and CFO or executive officer compensation; and

•perform other duties as deemed appropriate by the Board of Directors.

Code of Business Conduct and Ethics

The Board of Directors has adopted a Code of Business Conduct and Ethics applicable to our officers, directors and employees. Specific provisions are applicable to the co-principal executive officers, principal financial officer, principal accounting officer and controller, or those persons performing similar functions, of our general partner. Amendments to, or waivers from, the Code of Business Conduct and Ethics will be available on our website and reported as may be required under SEC rules. Any technical, administrative or other non-substantive amendments to the Code of Business Conduct and Ethics may not be posted.

Meetings of Non-management Directors and Communications with Directors

Our non-management directors meet in regularly scheduled sessions. Our non-management directors alternate as the presiding director of such meetings.

We have established a procedure by which Unitholders or interested parties may communicate directly with the Board of Directors, any committee of the Board, any of the independent directors, or any one director serving on the Board of Directors by sending written correspondence addressed to the desired person, committee or group to the attention of Sonia Aubé at Energy Transfer LP, 8111 Westchester Drive, Suite 600, Dallas, Texas, 75225. Communications are distributed to the Board of Directors, or to any individual director or directors as appropriate, depending on the facts and circumstances outlined in the communication.

Directors and Executive Officers of Our General Partner

The following table sets forth certain information with respect to the executive officers and members of the Board of Directors of our general partner as of February 16, 2024. Executive officers and directors are elected for indefinite terms.

Name	Age	Position with Our General Partner
Kelcy L. Warren	68	Executive Chairman of the Board of Directors
Thomas E. Long	67	Co-Chief Executive Officer and Director (Co-Principal Executive Officer)
Marshall S. (Mackie) McCrea, III	64	Co-Chief Executive Officer and Director (Co-Principal Executive Officer)
Dylan A. Bramhall	47	Executive Vice President and Group Chief Financial Officer (Principal Financial Officer)
Thomas P. Mason	67	Executive Vice President — Alternative Energy and President — LNG
Bradford D. Whitehurst	49	Executive Vice President of Tax and Corporate Initiatives
James M. Wright, Jr.	55	Executive Vice President, General Counsel and Chief Compliance Officer
A. Troy Sturrock	53	Group Senior Vice President and Controller (Principal Accounting Officer)
Steven R. Anderson	74	Director
Richard D. Brannon	65	Director
Michael K. Grimm	69	Director
John W. McReynolds	73	Director
James R. (Rick) Perry	73	Director
Matthew S. Ramsey	68	Director

Mr. Long, Mr. Mason and Mr. Whitehurst serve as directors of the general partner of USAC.

Set forth below is biographical information regarding the foregoing officers and directors of our general partner:

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Kelcy L. Warren. Mr. Warren serves as Executive Chairman of our general partner. Mr. Warren served as Chief Executive Officer from August 2007 through December 2020. He was appointed Co-Chairman of the Board of Directors of our general partner, effective upon the closing of our IPO, and in August 2007, he became the sole Chairman of the Board of our general partner and the Chief Executive Officer and Chairman of the Board of the general partner of ETO until its merger into Energy Transfer LP in April 2021. Prior to August 2007, Mr. Warren had served as Co-Chief Executive Officer and Co-Chairman of the Board of the general partner of ETO since the combination of the midstream and intrastate transportation storage operations of La Grange Acquisition, L.P. and the retail propane operations of Heritage in January 2004. Mr. Warren also served as the Chief Executive Officer of PennTex Midstream Partners, LP’s general partner from November 2016 to July 2017. Mr. Warren was selected to serve as a director and as Executive Chairman because he previously served as Chief Executive Officer and has more than 30 years in the natural gas industry. Mr. Warren also has relationships with chief executives and other senior management at natural gas transportation companies throughout the United States and brings a unique and valuable perspective to the Board of Directors.

Thomas E. Long. Mr. Long has served as the Co-Chief Executive Officer of our general partner since January 2021. Mr. Long served as Chief Financial Officer of Energy Transfer’s general partner from February 2016 until January 2021, and has been a director of our general partner since April 2019. Mr. Long also served as the Chief Financial Officer and as a director of PennTex Midstream Partners, LP’s general partner from November 2016 to July 2017. Mr. Long also served as Chief Financial Officer of ETO until its merger into Energy Transfer LP in April 2021, and was previously Executive Vice President and Chief Financial Officer of Regency GP LLC from November 2010 to April 2015. Mr. Long served as a director of Sunoco LP from May 2016 until May 2021, and has served on the Board of USAC since April 2018. In May 2022, Mr. Long was appointed to the board of directors of Texas Capital Bancshares, Inc (NASDAQ: TCBI). Mr. Long was selected to serve on our Board of Directors because of his understanding of energy-related corporate finance gained through his extensive experience in the energy industry.

Marshall S. (Mackie) McCrea, III. Mr. McCrea has served as the Co-Chief Executive Officer of our general partner since January 2021. Prior to that he was the President and Chief Commercial Officer of our general partner, having served in that role since October 2018 following the merger of Energy Transfer Equity, L.P. and Energy Transfer Partners, L.P. Prior to that time, he had been the Group Chief Operating Officer and Chief Commercial Officer of the Energy Transfer family since November 2015. Mr. McCrea has served on the Board of Directors of our general partner since December 2009. Mr. McCrea was appointed as a director of the general partner of ETO in December 2009 and served in that capacity until ETO’s merger into Energy Transfer LP in April 2021. Prior to December 2009, he served as President and Chief Operating Officer of ETO’s general partner from June 2008 to November 2015 and President – Midstream from March 2007 to June 2008. Previously he served as the Senior Vice President – Commercial Development since January 2004. In March 2005, Mr. McCrea was named President of La Grange Acquisition LP, ETO’s primary operating subsidiary, after serving as Senior Vice President-Business Development and Producer Services since 1997. Mr. McCrea also served as the Chairman of the Board of Directors of the general partner of Sunoco Logistics Partners L.P. from October 2012 to April 2017. Mr. McCrea was selected to serve as a director because he brings extensive project development and operational experience to the Board. He has held various positions in the natural gas business over the past 25 years and is able to assist the Board of Directors in creating and executing the Partnership’s strategic plan.

Dylan A. Bramhall. Mr. Bramhall has served as Executive Vice President and Group Chief Financial Officer of our general partner since November 2022 and currently is also Chief Financial Officer of Sunoco LP’s general partner. Mr. Bramhall joined Energy Transfer in 2015 as a result of its merger with Regency Energy Partners and is responsible for oversight of the Partnership’s Financial Planning and Analysis, Credit and Commodity Risk Management, Insurance, Cash Management, Capital Markets, Accounting, Financial Reporting and Investor Relations groups. He also serves as a member of Energy Transfer’s Risk Oversight Committee. While at Regency, Mr. Bramhall held management positions in the finance, risk, commercial and operations groups. Mr. Bramhall holds a Bachelor of Business Administration in finance and Master of Business Administration in finance and operations management, both from the University of Iowa.

Thomas P. Mason. Mr. Mason has served as Executive Vice President and President - LNG since December 2022. He became Executive Vice President and General Counsel of the general partner of Energy Transfer in December 2015, and served as the Executive Vice President, General Counsel and President - LNG from October 2018 following the merger of Energy Transfer Equity, L.P. and Energy Transfer Partners, L.P. until December 2022 when he resigned from his role as General Counsel. In February 2021, Mr. Mason assumed leadership responsibility over the Partnership’s newly created Alternative Energy Group, which focuses on the development of alternative energy projects aimed at continuing to reduce Energy Transfer’s environmental footprint throughout its operations. Mr. Mason previously served as Senior Vice President, General Counsel and Secretary of ETO’s general partner from April 2012 to December 2015, as Vice President, General Counsel and Secretary from June 2008 and as General Counsel and Secretary from February 2007. Prior to joining Energy Transfer, he was a partner in the Houston office of Vinson & Elkins. Mr. Mason served as a director on the Board of Directors of the general partner of Sunoco Logistics Partners L.P. from October 2012 to April 2017 and as a director on the Board of Directors of PennTex Midstream

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Partners, LP’s general partner from November 2016 to July 2017. Mr. Mason has also served as a member of the Board of Directors of USAC since April 2018.

Bradford D. Whitehurst. Mr. Whitehurst has served as Executive Vice President of Tax and Corporate Initiatives of Energy Transfer since November 2022. From January 2021 to November 2022, he served as Chief Financial Officer. From August 2014 through December 2020, he served as Executive Vice President – Head of Tax. Prior to joining Energy Transfer, Mr. Whitehurst was a partner in the Washington, DC office of Bingham McCutchen LLP and an attorney in the Washington, DC offices of both McKee Nelson LLP and Hogan & Hartson. Mr. Whitehurst has specialized in partnership taxation and has advised Energy Transfer and its subsidiaries in his role as outside counsel since 2006. He has served as a member of the board of directors of USAC since April 2019.

James M. Wright, Jr. Mr. Wright was appointed as Executive Vice President, General Counsel and Chief Compliance Officer of our general partner in December 2022. He became Executive Vice President - Legal and Chief Compliance Officer of ET’s general partner in October 2018 following the merger of Energy Transfer Equity, L.P. and Energy Transfer Partners, L.P. Mr. Wright has been a part of the Energy Transfer legal team with increasing levels of responsibility since July 2005 and has held various senior-level positions in the legal department including General Counsel of the general partner of Energy Transfer Partners, L.P. from December 2015 to October 2018 and Deputy General Counsel from May 2008 to December 2015. Prior to joining Energy Transfer, Mr. Wright gained significant experience at Enterprise Products Partners, L.P., El Paso Corp., Sonat Exploration Company and KPMG Peat Marwick LLP. Mr. Wright earned a Bachelor of Business Administration degree in Accounting and Finance from Texas A&M University and a JD from South Texas College of Law.

A. Troy Sturrock. Mr. Sturrock has served as the Group Senior Vice President, Controller and Principal Accounting Officer of our general partner since September 2022. He previously served as Senior Vice President, Controller and Principal Accounting Officer, having assumed that role in October 2018 following the merger of Energy Transfer Equity, L.P. and Energy Transfer Partners, L.P. He served as the Senior Vice President, Controller and Principal Accounting Officer of the general partner of ETO from August 2016 until ETO’s merger into Energy Transfer LP in April 2021, and previously served as Vice President, Controller and Principal Accounting Officer of our general partner beginning in June 2015. Mr. Sturrock is a Certified Public Accountant.

Steven R. Anderson. Mr. Anderson was elected to the Board of Directors of our general partner in June 2018 and serves on the audit committee and compensation committee. Mr. Anderson began his career in the energy business in the early 1970’s with Conoco in the Permian Basin area. He then spent some 25 years with ANR Pipeline and its successor, The Coastal Corporation, as a natural gas supply and midstream executive. He later was Vice President of Commercial Operations with Aquila Midstream and, upon the sale of that business to Energy Transfer in 2002, he became a part of the management team there. For the six years prior to his retirement from Energy Transfer in October 2009, he served as Vice President of Mergers and Acquisitions. Since that time, he has been involved in private investments and has served on the boards of directors of the St. John Health System and Saint Simeon’s Episcopal Home in Tulsa, Oklahoma, as well as various other community and civic organizations. Mr. Anderson also served as a member of the board of directors of Sunoco Logistics Partners L.P. from October 2012 until April 2017. Mr. Anderson was selected to serve on our Board of Directors based on his experience in the midstream energy industry generally, and his knowledge of Energy Transfer’s business specifically. Mr. Anderson also brings recent experience on audit and compensation committees of another publicly traded partnership.

Richard D. Brannon. Mr. Brannon was appointed to the Board of Directors of our general partner in March 2016 and has served as the Chairman of the audit committee since April 2016. Mr. Brannon is the CEO of CH4 Energy Six, LLC and Uinta Wax, LLC, both independent companies focused on horizontal oil and gas development. Mr. Brannon previously served on the board of directors of WildHorse Resource Development from its IPO in December 2016 until June 2018. Mr. Brannon also formerly served on the Board of Directors and as a member of the audit committee and compensation committee of Sunoco LP, Regency, OEC Compression and Cornerstone Natural Gas Corp. He has over 35 years of experience in the energy business, having started his career in 1981 with Texas Oil & Gas. The members of our general partner selected Mr. Brannon to serve as director based on his knowledge of the energy industry and his experience as a director and audit and compensation committee member for other public companies.

Michael K. Grimm. Mr. Grimm was appointed to the Board of Directors of our general partner in October 2018, and has served on the audit committee and compensation committee since that time. Prior to that time, Mr. Grimm served as a director of ETO’s general partner beginning in December 2005, and served on the audit and compensation committee during that time. Mr. Grimm is one of the original founders of Rising Star Energy, L.L.C., a privately held upstream exploration and production company active in onshore continental United States, and served as its President and Chief Executive Officer from 1995 until 2006 when it was sold. Mr. Grimm is currently President of Rising Star Petroleum, LLC. Mr. Grimm was formerly Chairman of the Board of RSP Permian, Inc. (NYSE: RSPP) from January 2014 until June 2018. From November 2018 until it was sold in 2019, Mr. Grimm served on the Board of Directors of Anadarko Petroleum Corporation. Prior to the formation of Rising Star,

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Mr. Grimm was Vice President of Worldwide Exploration and Land for Placid Oil Company from 1990 to 1994. Prior to joining Placid Oil Company, Mr. Grimm was employed by Amoco Production Company for thirteen years where he held numerous positions throughout the exploration department in Houston, New Orleans and Chicago. Mr. Grimm has been an active member of the American Association of Professional Landmen, Dallas Wildcat Committee, Dallas Producers Club, and the All-American Wildcatters. He has a B.B.A. from the University of Texas at Austin. Mr. Grimm was selected to serve as a director because of his extensive experience in the energy industry and his service as a senior executive at several energy-related companies, in addition to his contacts in the industry gained through his involvement in energy-related organizations.

John W. McReynolds. Mr. McReynolds is a director of Energy Transfer LP, having served in that capacity since August 2004. Mr. McReynolds previously served as the President of Energy Transfer LP from March 2005 until October 2018, at which time he became Special Advisor to the Partnership. Mr. McReynolds also previously served as our Chief Financial Officer from August 2005 to June 2013. Prior to becoming President of Energy Transfer LP, Mr. McReynolds was a partner in the international law firm of Hunton & Williams LLP for over 20 years. As a lawyer, he specialized in energy related finance, securities, partnerships, mergers and acquisitions, syndication and litigation matters, and served as an expert in numerous arbitration, litigation, and governmental proceedings, including as an expert in special projects for boards of directors of public companies. Mr. McReynolds was selected to serve in the indicated roles with Energy Transfer because of this extensive background and experience, as well as his many contacts and relationships in the industry.

James R. (Rick) Perry. Mr. Perry was appointed to the Board of Directors of our general partner in January 2020. He formerly served as U.S. Secretary of Energy from March 2017 until December 2019. Prior to that, he served as the Governor of the State of Texas from 2000 until January 2015. Mr. Perry served as Lieutenant Governor of Texas from 1998 to 2000, and as Agriculture Commissioner from 1991 to 1998. Prior to 1991, he also served in the Texas House of Representatives. Mr. Perry previously served on the Board of Directors of ETO from February 2015 until December 2016. Mr. Perry was selected to serve as a director because of his vast experience as an executive in the highest office of state government. In addition, Mr. Perry has been involved in finance and budget planning processes throughout his career in government as a member of the Texas House Appropriations Committee, the Legislative Budget Board and as Governor.

Matthew S. Ramsey. Mr. Ramsey was appointed as a director of Energy Transfer’s general partner in July 2012 and served as a director of ETO’s general partner from November 2015 until its merger into Energy Transfer LP in April 2021. Mr. Ramsey served as the Chief Operating Officer or our general partner from October 2018 until his retirement in April 2022, and served as President and Chief Operating Officer of ETO’s general partner from November 2015 until its merger into Energy Transfer LP in April 2021. Mr. Ramsey also served as President and Chief Operating Officer and Chairman of the board of directors of PennTex Midstream Partners, LP’s general partner from November 2016 to July 2017. Mr. Ramsey also previously served as a director of Sunoco LP, having served as chairman of Sunoco LP’s board from April 2015 until March 2022, and of USAC, having served on that board from April 2018 until March 2022. Mr. Ramsey previously served as President of RPM Exploration, Ltd., a private oil and gas exploration partnership, and previously served as a director of RSP Permian, Inc. where he served on the audit and compensation committees. In addition to his work in the energy business, Mr. Ramsey formerly served on the board of directors of the National Association of Manufacturers, and he is currently a Trustee of the Southwestern Medical Foundation. He is the former Chairman of the University of Texas Chancellor’s Council. Mr. Ramsey holds a B.B.A. in Marketing from the University of Texas at Austin and a J.D. from South Texas College of Law. Mr. Ramsey was selected to serve based on vast experience in the oil and gas space and Energy Transfer believes that he provides valuable industry insight as a member of our Board of Directors.

Delinquent Section 16(a) Reports

Section 16(a) of the Securities Exchange Act of 1934 requires the directors and executive officers of our general partner, as well as persons who own more than ten percent of the common units representing limited partnership interests in us, to file reports of ownership and changes of ownership on Forms 3, 4 and 5 with the SEC. The SEC regulations also require that copies of these Section 16(a) reports be furnished to us by such reporting persons. Based upon a review of copies of these reports, we believe all applicable Section 16(a) reports were timely filed in 2023, except for one late Form 4 filing by each Messrs. McReynolds and Wright.

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ITEM 11. EXECUTIVE COMPENSATION

Compensation Discussion and Analysis

Named Executive Officers

Energy Transfer does not have officers or directors. Instead, we are managed by the board of directors of our General Partner, and the executive officers of our General Partner perform all of Energy Transfer’s management functions. As a result, the executive officers of our General Partner are Energy Transfer’s executive officers, and their compensation is administered by our General Partner. This Compensation Discussion and Analysis is, therefore, focused on the total compensation of the executive officers of our General Partner as set forth below. The persons we refer to in this discussion as our “named executive officers” are the following:

•Marshall S. (Mackie) McCrea, III, Co-Chief Executive Officer;

•Thomas E. Long, Co-Chief Executive Officer;

•Dylan A. Bramhall, Executive Vice President and Group Chief Financial Officer;

•Bradford D. Whitehurst, Executive Vice President — Tax and Corporate Initiatives;

•Thomas P. Mason, Executive Vice President — Alternative Energy and President — LNG; and

•James M. Wright, Jr., Executive Vice President, General Counsel and Chief Compliance Officer.

Our Philosophy for Compensation of Executives

In general, our General Partner’s philosophy for executive compensation is based on the premise that a significant portion of each executive’s compensation should be incentive-based or “at-risk” compensation and that executives’ total compensation levels should be highly competitive in the marketplace for executive talent and abilities. Our General Partner seeks a total compensation program for its executive officers, including the named executive officers, that provides for a slightly below the median market annual base compensation (i.e., approximately the 30th to 40th percentile of market) but incentive-based compensation composed of a combination of compensation vehicles to reward both short- and long-term performance that are both targeted to pay out at approximately the top-quartile of market. Our General Partner believes the incentive-based balance is achieved by (i) the payment of annual discretionary cash bonuses that consider the achievement of the Partnership’s financial performance objectives for a fiscal year set at the beginning of such fiscal year and the individual contributions of its executive officers, including the named executive officers, to the success of the Partnership and the achievement of the annual financial performance objectives and (ii) the annual grant of time-based restricted unit, phantom unit awards or cash restricted unit awards under the Partnership’s equity incentive plan(s) or the equity incentive programs of Sunoco LP, as applicable based on the allocation of executive officers awards, including awards to the named executive officers, which awards are intended to provide a longer term incentive and retention value to its key employees to focus their efforts on increasing the market price of its publicly traded units and to increase the cash distribution the Partnership and/or the other affiliated partnerships pay to their respective unitholders.

The Partnership has historically granted restricted unit and/or phantom unit awards (“RSUs”) that vest, based generally upon continued employment, at a rate of 60% after the third year of service and the remaining 40% after the fifth year of service. Beginning in 2020, Energy Transfer began granting cash restricted units (“CRSUs”) that vest, based generally upon continued employment, at a rate of 1/3 annually over a three-year period. For 2020, the awards to employees were generally split equally between RSUs and CRSUs; subsequent to 2020, the awards are generally split based on 75% RSUs and 25% CRSUs. The Partnership believes that these equity-based incentive arrangements are important in attracting and retaining executive officers and key employees as well as motivating these individuals to achieve stated business objectives. The equity-based compensation reflects the importance our General Partner places on aligning the interests of its named executive officers with those of Unitholders. While the Partnership utilizes time-based forms of equity awards, the grant date valuation utilizes a modified total unitholder return (“TUR”) performance as measured against the average return of Energy Transfer’s identified peer group over defined time periods. The modified TUR is designed to create a recognition of a performance adjustment to the equity awards based on the prior periods measured to add an element of performance impact in setting grant date value even though the RSUs and CRSUs themselves are a time-vested vehicle.

As discussed below, our compensation committee and/or the compensation committee of the general partner of Sunoco LP, as applicable, all in consultation with our General Partner, are responsible for the compensation policies and compensation level of our executive officers, including the named executive officers of our General Partner. In this discussion, we refer to our compensation committee as the “Energy Transfer Compensation Committee.”

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For a more detailed description of the compensation to the Partnership’s named executive officers, please see “– Compensation Tables” below.

Distributions to Our General Partner

Our General Partner is majority-owned by Mr. Kelcy Warren. We pay quarterly distributions to our General Partner in accordance with our Partnership Agreement with respect to its ownership of its general partner interest as specified in our Partnership Agreement. The cash distributions we make to our General Partner bear no relationship to the level or components of compensation of our General Partner’s executive officers. Distributions to our General Partner are described in detail in Note 8 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.” Our named executive officers also own directly and indirectly certain of our limited partner interests and, accordingly, receive quarterly distributions. Such per-unit distributions equal the per-unit distributions made to all our limited partners and bear no relationship to the level of compensation of the named executive officers or the services they perform as employees.

For a more detailed description of the compensation of our named executive officers, please see “– Compensation Tables” below.

Compensation Philosophy

Our compensation programs are structured to achieve the following:

•reward executives with an industry-competitive total compensation package of base salaries and significant incentive opportunities yielding a total compensation package approaching the top-quartile of the market;

•attract, retain and reward talented executive officers and key management employees by providing total compensation competitive with that of other executive officers and key management employees employed by publicly traded limited partnerships or other peer companies of similar size and in similar lines of business;

•motivate executive officers and key employees to achieve strong financial and operational performance;

•emphasize performance-based, or “at-risk,” compensation; and

•reward individual performance.

Components of Executive Compensation

For the year ended December 31, 2023, the compensation paid to our named executive officers consisted of the following components:

•annual base salary;

•non-equity incentive plan compensation consisting solely of discretionary cash bonuses;

•time-vested RSUs and CRSUs under the equity incentive plan(s);

•payment of distribution equivalent rights (“DERs”) on unvested time-based RSUs under our equity incentive plan;

•vesting of previously issued time-based RSUs issued pursuant to our equity incentive plans or the equity incentive plans(s) of affiliates; and

•401(k) plan employer contributions.

Methodology

The Energy Transfer Compensation Committee considers relevant data available to it to assess our competitive position with respect to base salary, annual short-term incentives and long-term incentive compensation for our executive officers, including the named executive officers. The Energy Transfer Compensation Committee also considers individual performance, levels of responsibility, skills and experience.

Periodically, the Energy Transfer Compensation Committee engages a third-party independent compensation consultant to provide a full market competitive compensation analysis for compensation levels at peer companies in order to assist in the determination of compensation levels for our executive officers, including the named executive officers. Most recently, in 2023 Meridian Compensation Partners, LLC (“Meridian”) completed an evaluation of the market competitiveness of total compensation levels of a number of officers of the Partnership, including the named executive officers. The Meridian review provided market information with respect to compensation of Partnership executives, including named executive officers during the year ended December 31, 2023. In particular, the review by Meridian was designed to (i) evaluate the market competitiveness of total compensation levels for certain members of senior management, including our named executive

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officers; (ii) assist in the determination of appropriate compensation levels for our senior management, including the named executive officers; and (iii) confirm that our compensation programs were yielding compensation packages consistent with our overall compensation philosophy.

In conducting its review, Meridian assisted in the development of the final “peer group” of leading companies in the energy industry that most closely reflect the profile of Energy Transfer. The final “peer group” consisted of the core group of peers (i.e. the eight most similar peers in terms of business, revenues, assets and market value as well as competition for talent at the senior management level) and a group of expanded reference companies composed of a broader group of oil and gas companies, including additional integrated, upstream and midstream comparators whose data provided additional market context. As part of the evaluation conducted by Meridian, a determination was made to focus the analysis largely on the core energy industry peers. This decision was based on a determination that the core peer group provided a more than sufficient amount of comparative data to consider and evaluate total compensation. This focus allowed Meridian to report on this specific core peer data comparing the levels of annual base salary, annual short-term cash bonus and long-term equity incentive awards at industry peer group companies with those of the named executive officers to ensure that compensation of the named executive officers is both consistent with the compensation philosophy and competitive with the compensation for executive officers of these other companies, while at the same time considering whether the context provided by the expanded group offered additional information that should be considered by the Compensation Committee. The core identified companies were:

Energy Peer Group:
• Conoco Phillips	• Marathon Petroleum Corporation
• Enterprise Products Partners, L.P.	• Kinder Morgan, Inc.
• Plains All American Pipeline, L.P.	• The Williams Companies, Inc.
• Valero Energy Corporation	• Phillips 66

The compensation analysis provided by Meridian covered all major components of total compensation, including annual base salary, annual short-term cash bonus and long-term incentive awards for the senior executives. In preparing the review materials, Meridian utilized generally accepted compensation principles and gathered data from public disclosures of peer companies, including Form 10-K and proxy data and published survey data from multiple sources that are relevant to Energy Transfer’s core peer group, industry, financial size and operational breadth. The Meridian review process also included significant engagement with management to fully understand job scope, responsibilities and roles of each of the executive officers, which discussions allow Meridian the ability to completely evaluate specific aspects of an executive officer’s position to allow for more accurate comparisons.

Following Meridian’s 2023 review, the Energy Transfer Compensation Committee reviewed the information provided, including Meridian’s specific summary observations and recommended considerations for all compensation going forward. The observations addressed overall competitive benchmarking, peer company approaches to compensation and short and long-term incentive plan design, the Energy Transfer Compensation Committee considered and reviewed the results of the study performed by Meridian to determine if the results indicated that the compensation programs were yielding a competitive total compensation model prioritizing incentive-based compensation and rewarding achievement of short and long-term performance objectives and considered Meridian’s conclusions and recommendations. While Meridian found that the Partnership is continuing to achieve its stated objectives with respect to the “at-risk” approach, Meridian also recommended certain adjustments for consideration, which considerations were designed to allow the Partnership to continue to achieve its targeted percentiles on base compensation and incentive compensation (short and long-term). In respect of the 2023 Meridian review, the Energy Transfer Compensation Committee, in consultation with Meridian and executive management, approved the adoption of the Amended and Restated Energy Transfer LP Annual Bonus Plan (the “Amended Bonus Plan”) effective as January 1, 2023. The Amended Bonus Plan enhanced potential pay-out for achievement of specific performance goals allowing for a maximum Amended Bonus Plan payout of 130% of target as opposed to the prior Bonus Plan maximum payout of 116%. Specific changes are discussed below under the title of Annual Bonus. Certain of Meridian’s other suggested considerations as part of the review were implemented and others were determined to require additional review and consideration.

In addition to the information received as part of Meridian’s review, the Energy Transfer Compensation Committee also utilizes information obtained from other sources in its determination of compensation levels for our named executive officers, such as annual third-party surveys, although third-party survey data is not used by the Energy Transfer Compensation Committee to benchmark the amount of total compensation or any specific element of compensation for the named executive officers.

Base Salary. Base salary is designed to provide for a competitive fixed level of pay that attracts and retains executive officers and compensates them for their level of responsibility and sustained individual performance (including experience, scope of responsibility and results achieved). The salaries of the named executive officers are reviewed on an annual basis. As discussed

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above, the base salaries of our named executive officers are targeted to yield an annual base salary slightly below the median level of market (i.e., approximately the 30th to 40th percentile of market) and are determined by the Energy Transfer Compensation Committee after taking into account the recommendations of Mr. Warren.

During the merit review process, the Energy Transfer Compensation Committee considers the recommendations of Mr. Warren, any relevant compensation study data (with the data aged as appropriate) and the merit increase pool set for all employees of the Partnership and/or its employing affiliates. During 2023, the Energy Transfer Compensation Committee approved a 4.75% increase to the base salary of Mr. McCrea to $1,465,788 from the prior level of $1,399,320; a 4.75% increase to the base salary of Mr. Long to $1,465,788 from the previous level of $1,399,320; an approximately 6.75% increase to the base salary of Mr. Bramhall to $613,813 from the previous level of $575,000; and an approximately 4.75% increase to the base salary of Mr. Wright to $576,125 from the previous level of $550,000. In the case of Messrs. Whitehurst and Mason, the Energy Transfer Compensation Committee approved lump-sum cash payments equal to 4.75 % of their existing base salaries, which for Mr. Whitehurst such lump sum was $30,420 and for Mr. Mason was $32,285. The determination regarding the lump-sum payments to Messrs. Whitehurst and Mason were related to certain changes to their roles and responsibilities and the results of the Meridian benchmarking analysis.

Executive Compensation Clawback Policy. In November 2023, the Energy Transfer Compensation Committee adopted the Energy Transfer Executive Officer Incentive Compensation Clawback Policy (the “Clawback Policy”), which requires the Partnership to recover erroneously awarded incentive-based compensation from executive officers in the event the Partnership is required to prepare an accounting restatement. The Clawback Policy applies to any individual who is currently or was previously designated as an “officer” of the Partnership as defined in Rule 16a-1(f) under the Securities Exchange Act of 1934, including all of our current NEOs. The Clawback Policy is designed to comply with the requirements of the SEC and the NYSE Listed Company Manual, including (i) the definition of an accounting restatement, (ii) the applicable types of incentive-based compensation, (iii) the relevant recovery period, and (iv) the approach for calculating the recovery amount.

Annual Bonus. In addition to base salary, the Energy Transfer Compensation Committee makes determinations whether to make discretionary annual cash bonus awards to executives, including our named executive officers, following the end of the year under the Amended Bonus Plan. As noted the Amended Bonus Plan replaced the Bonus Plan in connection with certain recommendations contained in Merdian’s 2023 review.

The Amended Bonus Plan is a discretionary annual cash bonus plan available to all employees, including the named executive officers. The purpose of the Amended Bonus Plan is to reward employees for contributions towards the Partnership’s business goals and to aid in motivating employees. The Amended Bonus Plan is administered by the Energy Transfer Compensation Committee and the Energy Transfer Compensation Committee has the authority to establish and interpret the rules and regulations relating to the Amended Bonus Plan, to select participants, to determine and approve the size of any actual award amount, to make all determinations, including factual determinations and to take all other actions necessary or appropriate for the proper administration of the Amended Bonus Plan.

Prior to January 1, 2023, the Bonus Plan provided during each calendar year or any other period designated by the Energy Transfer Compensation Committee (the “Performance Period”) for the Energy Transfer Compensation Committee to evaluate and determine an overall funded cash bonus pool based on achievement of (i) an internal Adjusted EBITDA target (“Adjusted EBITDA Target”), (ii) an internal distributable cash flow target (“DCF Target”) and (iii) performance of each department compared to the applicable departmental budget (“Departmental Budget Target”). For purposes of the Adjusted EBITDA Target and the DCF Target established in the Bonus Plan, the measures of Adjusted EBITDA and Distributable Cash Flow were calculated using the same definitions as used in the Partnership’s publicly reported financial information, including the Partnership’s earnings press releases, investor presentations, and annual and quarterly filings on Forms 10-K and 10-Q. The performance criteria are weighted 60% on the achievement of the Adjusted EBITDA Target, 20% on the achievement of the DCF Target and 20% on the achievement of the Departmental Budget Target (collectively, “Budget Targets”). The total amount of cash to be allocated to the funded bonus pool will range from 0% to 120% for each of the budgeted DCF Target and Adjusted EBITDA Target and will range from 0% to 100% of the Departmental Budget Target. The maximum funding of the bonus pool is 116% of the total pool target and to achieve such funding each of the Adjusted EBITDA and the DCF Target must achieve 120% funding and the Department Budget target must achieve its 100% target. While the funded bonus pool will reflect an aggregation of performance under each target, in the event performance under the Adjusted EBITDA Target is below 80% of its target, no bonus pool will be funded. If the bonus pool is funded, a participant may earn a cash award for the Performance Period based upon the level of attainment of the Budget Targets and his or her individual performance. Awards are paid in cash as soon as practicable after the end of the Performance Period but in no event later than two and one-half months after the end of the Performance Period.

Under the Amended Bonus Plan, for each Performance Period after January 1, 2023, the Energy Transfer Compensation Committee will evaluate and determine an overall funded cash bonus pool based on achievement of (i) an Adjusted EBITDA

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Target, (ii) a DCF Target and (iii) a Departmental Budget Target. Under the Amended Bonus Plan, the Budget Targets were weighted 60% on the achievement of the Adjusted EBITDA Target, 25% on the achievement of the DCF Target and 15% on the achievement of the Departmental Budget Target. Under the Amended Bonus Plan, the DCF Target weighting increased to 25% from 20% under the Bonus and the Budget Target weighting was reduced from 20% to 15%. The total amount of cash to be allocated to the funded bonus pool will range from 0% to 135% for each of the budgeted DCF Target and Adjusted EBITDA Target and will range from 0% to 100% of the Departmental Budget Target. The increased range on the funded bonus pool to 135% of the budgeted DCF Target and Adjusted EBITDA Target under the Amended Bonus Plan represented an increase from 120% each under the Bonus Plan.

The maximum funding of the bonus pool of 130% of the total pool target under the Amended Bonus Plan is an increase from 116% under the Bonus Plan. Maximum funding of the Adjusted EBITDA and the DCF Target under the Amended Bonus Plan requires achievement of 110% of the target as opposed to 120% under the Bonus Plan. The maximum funding of the Amended Bonus Plan at 130% is an increase from the 116% maximum under the Bonus Plan.

While the funded bonus pool will reflect an aggregation of performance under each target, in the event performance under the Adjusted EBITDA Target is below 80% of its target, no bonus pool will be funded. If the bonus pool is funded, a participant may earn a cash award for the Performance Period based upon the level of attainment of the Budget Targets and his or her individual performance. Awards under both the Bonus Plan and the Amended Bonus Plan are paid in cash as soon as practicable after the end of the Performance Period but in no event later than two and one-half months after the end of the Performance Period.

While the achievement of the Budget Targets sets a bonus pool under the Bonus Plan and the Amended Bonus Plan, actual bonus awards are discretionary. These discretionary bonuses, if awarded, are intended to reward our named executive officers for the achievement of the Budget Targets during the Performance Period in light of the contribution of each individual to our profitability and success during such year. The Energy Transfer Compensation Committee also considers the recommendation of Mr. Warren in determining the specific annual cash bonus amounts for each of the named executive officers. The Energy Transfer Compensation Committee does not establish its own financial performance objectives in advance for purposes of determining whether to approve any annual bonuses, and it does not utilize any formulaic approach to determine annual bonuses.

For Messrs. McCrea and Long, their 2023 bonus pool targets were 160% of their respective annual base earnings, consistent with their previous 2022 targets. For 2023, the Energy Transfer Compensation Committee approved short-term annual cash bonus pool targets for Messrs. Whitehurst, Bramhall, Mason and Wright of 130% of their respective annual base earnings, consistent with their previous 2022 targets.

In February 2024, the Energy Transfer Compensation Committee certified 2023 performance results under the Amended Bonus Plan and authorized payment of 100% of the targeted pool. This bonus payout reflected the achievement of 100.9% of the Adjusted EBITDA Target, 99.7% of the DCF Target and 99.7% of, or $28 million under, the Department Budget Target.

Based on the approved results, the Energy Transfer Compensation Committee approved a cash bonus relating to the 2023 calendar year to Messrs. McCrea, Long, Bramhall, Whitehurst, Mason and Wright in the amounts of $2,300,000, $2,300,000, $825,000, $800,000, $840,000 and $775,000, respectively.

Equity Awards. Energy Transfer maintains and operates (i) the Second Amended and Restated Energy Transfer LP 2008 Incentive Plan (the “2008 Incentive Plan”); (ii) the Energy Transfer LP 2011 Long-Term Incentive Plan (the “2011 Incentive Plan”); the (iii) Energy Transfer LP 2015 Long-Term Incentive Plan (the “2015 Plan”); (iv) the Amended and Restated Energy Transfer LP Long-Term Incentive Plan (the “Energy Transfer Plan,” together with the 2008 Incentive Plan, the 2011 Incentive Plan and the 2015 Plan, the “Energy Transfer Incentive Plans”). The Energy Transfer Incentive Plans authorize the Energy Transfer Compensation Committee, in its discretion, to grant awards, as applicable, under each respective plan of RSUs upon such terms and conditions as it may determine appropriate and in accordance with general guidelines as defined by the Energy Transfer Incentive Plans. Energy Transfer has generally used time-vested restricted units and/or phantom units as the vehicle for its annual equity awards to eligible employees, including the named executive officers.

In addition, in 2020, Energy Transfer adopted the Energy Transfer LP Long-Term Cash Restricted Unit Plan (the “CRU Plan”). The CRU Plan authorizes the Energy Transfer Compensation Committee, in its discretion, to grant awards, as applicable, of CRSUs, upon such terms and conditions as it may determine appropriate and in accordance with general guidelines as defined by the CRU Plan. Like awards from the Energy Transfer Incentive Plans, awards from the CRU Plan will be used to incentivize and reward eligible employees over a long-term basis, and the CRU Plan is included for purposes of these discussions as an “Energy Transfer Incentive Plan.”

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For 2023, the Energy Transfer Compensation Committee established long-term incentive targets for Messrs. McCrea and Long of 900% of their annual base earnings, consistent with their previous targets. For 2023, the Energy Transfer Compensation Committee approved long-term incentive targets for Messrs. Bramhall, Whitehurst, Mason and Wright of 500%, 500%, 500% and 500%, respectively, of their respective annual base earnings, consistent with their previous targets.

The annual long-term incentive targets are used as the basis to determine the target number of units to be awarded to the eligible participant, including the named executive officers. A multiple of base salary is used to set the pool target, that number is then divided by a weighted average price determined by considering Energy Transfer’s modified total unitholder return (“TUR”) performance as measured against the average return of Energy Transfer’s identified peer group over defined time periods. The modified TUR is designed to create a recognition of a performance adjustment to the equity awards based on the prior periods measured to add an element of performance impact in setting grant date value even though the RSUs and CRSUs themselves are time-vested vehicles. For purposes of establishing an initial price, Energy Transfer utilizes a 60 trading-day trailing weighted average price of Energy Transfer common units prior to November 1 of the respective year. This average trading price is then subject to adjustment when Energy Transfer’s TUR is more than 5% greater or less than that of its identified peer group. If the TUR analysis yields a result that is within 5% of its identified peer group, the Energy Transfer Compensation Committee will simply use the 60 trading day trailing weighted average price divided by the applicable salary multiple to establish a target pool for each eligible participant, including the named executive officers. If Energy Transfer’s TUR is outside of the 5% deviation, the 60 trading day trailing weighted average will be adjusted up or down to a maximum of 15% from the trailing weighted average price based on Energy Transfer’s performance as compared to the identified group. For 2022, the peer group included the following:

• Enterprise Products Partners, L.P.	• Plains All American Pipeline, L.P.
• The Williams Companies, Inc.	• MPLX LP
• Kinder Morgan, Inc.

For 2023, the Partnership’s TUR outperformed the identified peer group by approximately 6% based on the average of the identified comparison periods. Consequently, the 2023 long-term incentive base price was decreased to increase the total available restricted pool by approximately 6%.

In December 2023, the Energy Transfer Compensation Committee in consultation with Mr. Warren approved grants of RSUs to Messrs. McCrea, Long, Bramhall, Whitehurst, Mason and Wright of 782,138 units, 782,138 units, 189,750 units, 187,500 units, 187,500 units, and 170,775 units, respectively. The Energy Transfer Compensation Committee also approved grants of CRSUs to Messrs. McCrea, Long, Bramhall, Whitehurst, Mason and Wright of 260,712 units, 260,712 units, 63,250 units, 62,500 units, 62,500 units and 56,925 units, respectively.

The RSUs granted in 2023 provide for incremental vesting over a five-year period, with 60% vesting at the end of the third year and the remaining 40% vesting at the end of the fifth year. Vesting of the awards is generally subject to continued employment through each specified vesting date. The RSU awards entitle the recipients to receive, with respect to each Energy Transfer unit subject to such award that has not either vested or been forfeited, a DER cash payment promptly following each such distribution by Energy Transfer to its common unitholders.

The CRSUs granted in 2023 provide for incremental vesting over a three-year period, with 1/3 vesting at the end of each year. Each CRSU entitles the award recipient to receive cash equal to the market value of one Energy Transfer common unit upon vesting. The CRSU do not include rights to DER cash payments.

In approving the grant of such RSUs and CRSUs, including to the named executive officers, the Energy Transfer Compensation Committee considered several factors, including the long-term objective of retaining such individuals as key drivers of Energy Transfer’s future success, the existing level of equity ownership of such individuals and the previous awards to such individuals of equity awards subject to vesting. Vesting of the 2023 awards would accelerate in the event of the death or disability of the recipient, including the named executive officers, or in the event of a change in control of Energy Transfer as that term is defined under the Energy Transfer Incentive Plans.

As discussed below under “Potential Payments Upon a Termination or Change of Control,” all outstanding equity awards would automatically accelerate upon a change in control event, which means vesting automatically accelerates upon a change of control irrespective of whether the officer is terminated. In addition, the award agreements also include certain acceleration provisions upon retirement with the ability to accelerate 40% of outstanding unvested awards under the Energy Transfer Incentive Plans at age 65 and 50% at age 68. These acceleration provisions require that the participant have not less than five (5) years of employment service to the Partnership or an affiliate and are subject to the applicable provisions of IRC Section

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409(A), which may include a six (6) month delay in the vesting after retirement. Beginning in 2022, the retirement provision also requires that the award be held for at least one year after the grant date in order to be eligible for acceleration.

We believe that permitting the accelerated vesting of equity awards upon a change in control creates an important retention tool for us by enabling employees to realize value from these awards in the event that we undergo a change in control transaction. In addition, we believe permitting acceleration of vesting upon a change in control creates a sense of stability in the course of transactions that could create uncertainty regarding their future employment and encourage these officers to remain focused on their job responsibilities.

Affiliate and Subsidiary Equity Awards. In addition to his role as an officer for Energy Transfer during 2023, Mr. Bramhall has certain responsibilities for Sunoco LP, including a leadership role for certain shared service functions. Notwithstanding such responsibilities beginning in 2023, 100% of Mr. Bramhall’s compensation, including his long-term incentive awards, were attributable on to Energy Transfer.

Special One-Time Awards to Co-Chief Executive Officers. In recognition of their assumption of their new roles as Co-Chief Executive Officers effective January 1, 2021, the Energy Transfer Compensation Committee approved certain one-time awards to Messrs. McCrea and Long.

Mr. McCrea received a special one-time award of 241,815 RSUs under the Energy Transfer Incentive Plans and a special cash payment of $1,625,000 in connection with his appointment as Co-Chief Executive Officer, effective January 1, 2021.

Mr. Long received a special one-time award of 483,630 RSUs under the Energy Transfer Incentive Plans in connection with his appointment as Co-Chief Executive Officer, effective January 1, 2021.

The RSU awards to Messrs. McCrea and Long were made at the same grant date valuation and vesting schedules used for the annual equity awards described above under “—Equity Awards” section above. These awards were approved by the Energy Transfer Compensation Committee on December 30, 2020 to be effective immediately upon Messrs. McCrea and Long assuming their new roles on January 1, 2021 and are reflected as compensation in 2021 in the Compensation Tables section below.

Unit Ownership Guidelines. In 2021, the Board of Directors of our General Partner adopted an update to the Executive Unit Ownership Guidelines (the “Guidelines”), which sets forth minimum ownership guidelines applicable to certain executives of Energy Transfer with respect to Energy Transfer and Sunoco LP common units, as applicable. The applicable Guidelines are denominated as a multiple of base salary, and the amount of common units required to be owned increases with the level of responsibility. Under these Guidelines, (i) the Chief Executive Officer/Co-Chief Executive Officer(s) are expected to own common units having a minimum value of six times base salary; (ii) the Chief Operating Officer, the Chief Financial Officer, the General Counsel and other C-Suite executives expected to own common units having a minimum value of four times their respective base salary; and (iii) Senior Vice Presidents are expected to own common units having a minimum value of two times their respective base salary. In addition to the named executive officers, these Guidelines also apply to other covered executives, which executives are expected to own either directly or indirectly in accordance with the terms of the Guidelines, common units having minimum values ranging from one to four times their respective base salary.

The Energy Transfer Compensation Committee believes that the ownership of Energy Transfer and/or Sunoco LP common units, as reflected in these Guidelines, is an important means of tying the financial risks and rewards for its executives to Energy Transfer’s total unitholder return, aligning the interests of such executives with those of Unitholders, and promoting Energy Transfer’s interest in good corporate governance.

Covered executives are generally required to achieve their ownership level within five years of becoming subject to the Guidelines. As of December 31, 2023, all of the named executive officers were compliant with the level required of the Guidelines as of that date.

Covered executives may satisfy the Guidelines through direct ownership of Energy Transfer and/or Sunoco LP common units or indirect ownership by certain immediate family members. Direct or indirect ownership of Energy Transfer and/or Sunoco LP common units shall count on a one-to-one ratio for purposes of satisfying minimum ownership requirements; however, unvested unit awards may not be used to satisfy the minimum ownership requirements.

Executive officers, including the named executive officers, who have not yet met their respective guideline must retain and hold all common units (less common units sold to cover the executive’s applicable taxes and withholding obligation) received in connection with long-term incentive awards. Once the required ownership level is achieved, ownership of the required common units must be maintained for as long as the covered executive is subject to the Guidelines. However, those individuals who have met or exceeded their applicable ownership level guideline may dispose of the common units in a manner consistent with

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applicable laws, rules and regulations, including regulations of the SEC and our internal policies, but only to the extent that such individual’s remaining ownership of common units would continue to exceed the applicable ownership level.

Qualified Retirement Plan Benefits. The Energy Transfer LP 401(k) Plan (the “Energy Transfer 401(k) Plan”) is a defined contribution 401(k) plan, which covers substantially all of our employees, including the named executive officers. Employees may elect to defer up to 100% of their eligible compensation after applicable taxes, as limited under the Internal Revenue Code. We make a matching contribution that is not less than the aggregate amount of matching contributions that would be credited to a participant’s account based on a rate of match equal to 100% of each participant’s elective deferrals up to 5% of covered compensation. The amounts deferred by the participant are fully vested at all times, and the amounts contributed by the Partnership become vested based on years of service. We provide this benefit as a means to incentivize employees and provide them with an opportunity to save for their retirement.

The Partnership provides a 3% profit sharing contribution to employee 401(k) accounts for all employees with a base compensation below a specified threshold. The contribution is in addition to the 401(k) matching contribution and employees become vested based on years of service.

Health and Welfare Benefits. All full-time employees, including our named executive officers may participate in the Partnership’s health and welfare benefit programs including medical, dental, vision, flexible spending, life insurance and disability insurance.

Termination Benefits. Our named executive officers do not have any employment agreements that call for payments of termination or severance benefits or that provide for any payments in the event of a change in control of our General Partner; however, the award agreement to the named executive officers under the Energy Transfer Incentive Plans, the 2018 Sunoco LP Plan and the Sunoco LP 2012 Long-Term Incentive Plan (the “2012 Sunoco LP Plan”) provide for immediate vesting of all unvested restricted unit awards in the event of a (i) change of control, as defined in the plan; (ii) death or (iii) disability, as defined in the applicable plan. Please refer to “Compensation Tables - Potential Payments Upon a Termination or Change of Control” for additional information.

In addition, in 2021 the Partnership has also adopted the Partnership Severance Plan and Summary Plan Description (the “Severance Plan”), which provides for payment of certain severance benefits in the event of Qualifying Termination (as that term is defined in the Severance Plan). In general, the Severance Plan provides payment of two weeks of annual base salary for each year or partial year of employment service up to a maximum of fifty-two weeks or one year of annual base salary (with a minimum of four weeks of annual base salary) and up to three months of continued group health insurance coverage. The Severance Plan also provides that we may determine to pay benefits in addition to those provided under the Severance Plan based on special circumstances, which additional benefits shall be unique and non-precedent setting. The Severance Plan is available to all salaried employees on a nondiscriminatory basis; therefore, amounts that would be payable to our named executive officers upon a Qualified Termination have been excluded from “Compensation Tables – Potential Payments Upon a Termination or Change of Control” below.

Energy Transfer LP Non-Qualified Deferred Compensation Plan (the “Energy Transfer NQDC Plan”) is a deferred compensation plan, which permits eligible highly compensated employees to defer a portion of their salary, bonus, and/or quarterly non-vested phantom unit distribution equivalent income until retirement, termination of employment or other designated distribution event. Each year under the Energy Transfer NQDC Plan, eligible employees are permitted to make an irrevocable election to defer up to 50% of their annual base salary, 50% of their quarterly non-vested phantom unit distribution income, and/or 50% of their discretionary performance bonus compensation during the following year. Pursuant to the Energy Transfer NQDC Plan, Energy Transfer may make annual discretionary matching contributions to participants’ accounts; however, Energy Transfer has not made any discretionary contributions to participants’ accounts and currently has no plans to make any discretionary contributions to participants’ accounts. All amounts credited under the Energy Transfer NQDC Plan (other than discretionary credits) are immediately 100% vested. Participant accounts are credited with deemed earnings or losses based on hypothetical investment fund choices made by the participants among available funds.

Participants may elect to have their account balances distributed in one lump sum payment or in annual installments over a period of three or five years upon retirement, and in a lump sum upon other termination events. Participants may also elect to take lump-sum in-service withdrawals five years or longer in the future, and such scheduled in-service withdrawals may be further deferred prior to the withdrawal date. Upon a change in control (as defined in the Energy Transfer NQDC Plan) of Energy Transfer, all Energy Transfer NQDC Plan accounts are immediately vested in full. However, distributions are not accelerated and, instead, are made in accordance with the Energy Transfer NQDC Plan’s normal distribution provisions unless a participant has elected to receive a change of control distribution pursuant to his deferral agreement.

Risk Assessment Related to our Compensation Structure. We believe that the compensation plans and programs for our named executive officers, as well as our other employees, are appropriately structured and are not reasonably likely to result in material

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risk to us. We believe these compensation plans and programs are structured in a manner that does not promote excessive risk-taking that could harm our value or reward poor judgment. We also believe we have allocated compensation among base salary and short and long-term compensation in such a way as to not encourage excessive risk-taking. In particular, we generally do not adjust base annual salaries for executive officers and other employees significantly from year to year, and therefore the annual base salary of our employees is not generally impacted by our overall financial performance or the financial performance of a portion of our operations. Our subsidiaries generally determine whether, and to what extent, their respective named executive officers receive a cash bonus based on achievement of specified financial performance objectives as well as the individual contributions of our named executive officers to the Partnership’s success. We and our subsidiaries use restricted units and phantom units rather than unit options for equity awards because restricted units and phantom units retain value even in a depressed market so that employees are less likely to take unreasonable risks to get, or keep, options “in-the-money.” Finally, the time-based vesting over five years for our long-term incentive awards ensures that the interests of employees align with those of Unitholders and our subsidiaries’ unitholders for our long-term performance.

Tax and Accounting Implications of Equity-Based Compensation Arrangements

Deductibility of Executive Compensation

We are a limited partnership and not a corporation for United States federal income tax purposes. Therefore, we believe that the compensation paid to the named executive officers is not subject to the deduction limitations under Section 162(m) of the Internal Revenue Code and therefore is generally fully deductible for United States federal income tax purposes.

Accounting for Non-Cash Compensation

For non-cash compensation arrangements, we record compensation expense over the vesting period of the awards, as discussed further in Note 2 and Note 9 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

Compensation Committee Interlocks and Insider Participation

Mr. Steven R. Anderson and Mr. Michael K. Grimm are the only members of the Energy Transfer Compensation Committee. During 2023, no member of the Energy Transfer Compensation Committee was an officer or employee of us or any of our subsidiaries or served as an officer of any company with respect to which any of our executive officers served on such company’s board of directors. Mr. Grimm is not a former employee of ours or any of our subsidiaries. Mr. Anderson was previously an employee of the Partnership until his retirement in October 2009, as discussed in his biographical information included in “Item 10. Directors, Executive Officers and Corporate Governance.”

Report of Compensation Committee

The board of directors of our General Partner has reviewed and discussed the section entitled “Compensation Discussion and Analysis” with the management of Energy Transfer. Based on this review and discussion, we have recommended that the Compensation Discussion and Analysis be included in this annual report on Form 10-K.

The Compensation Committee of the

Board of Directors of LE GP, LLC,

general partner of Energy Transfer LP

Steven R. Anderson

Michael K. Grimm

The foregoing report shall not be deemed to be incorporated by reference by any general statement or reference to this annual report on Form 10-K into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that we specifically incorporate this information by reference, and shall not otherwise be deemed filed under those Acts.

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Index to Financial Statements

Compensation Tables

Summary Compensation Table

Name and Principal Position	Year	Salary ($)		Bonus ($)		Equity Awards (1) ($)		Non-Equity Incentive Plan Compensation(2) ($)		Change in Pension Value and Nonqualified Deferred Compensation Earnings ($)		All Other Compensation (3) ($)		Total ($)
Thomas E. Long	2023	$	1,432,554	$	—	$	13,282,060	$	2,300,000	$	—	$	25,167	$	17,039,781
Co-Chief Executive Officer	2022	1,372,410		—		14,344,161		2,635,027		—		23,917		18,375,515
	2021	1,322,750		—		15,224,039		3,156,400		—		27,014		19,730,203
Marshall S. (Mackie) McCrea, III (4)	2023	1,432,554		—		13,282,060		2,300,000		—		24,044		17,038,658
Co-Chief Executive Officer	2022	1,372,410		1,600,000		14,344,161		2,635,027		—		22,794		19,974,392
	2021	1,322,750		3,225,000		13,734,458		3,156,400		—		22,044		21,460,652
Dylan A. Bramhall	2023	594,406		—		3,222,286		825,000		—		17,760		4,659,452
Group Chief Financial Officer	2022	429,808		—		3,241,514		700,000		—		16,298		4,387,620
Bradford D. Whitehurst	2023	670,845		—		3,184,077		800,000		—		19,760		4,674,682
Executive Vice President – Tax and Corporate Initiatives	2022	628,125		—		3,646,060		950,000		—		18,510		5,242,695
	2021	605,413		—		3,102,694		1,174,000		—		15,760		4,897,867
Thomas P. Mason	2023	711,980		—		3,184,077		840,000		—		23,167		4,759,224
Executive Vice President – Alternative Energy and President – LNG	2022	666,595		—		3,870,995		1,040,900		—		21,917		5,600,407
	2021	642,445		—		3,279,498		1,252,000		—		22,706		5,196,649
James M. Wright, Jr.	2023	563,063		—		2,900,058		775,000		13,991		90,391		4,342,503
Executive Vice President, General Counsel and Chief Compliance Officer	2022	488,808		—		1,963,263		762,540		18,550		19,120		3,252,281

(1)Equity award amounts reflect the aggregate grant date fair value of unit awards granted for the periods presented, computed in accordance with FASB ASC Topic 718, disregarding any estimates for forfeitures. For Messrs. Bramhall and Whitehurst amounts for one or more periods include equity awards of our subsidiary, Sunoco LP, as reflected in the “Grants of Plan-Based Awards Table.” See Note 9 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data” for additional assumptions underlying the value of the equity awards. Although the CRSU awards may only be settled in cash, they are based upon the value of Energy Transfer common units and are accounted for as equity awards within these compensation tables.

(2)Energy Transfer maintains the Bonus Plan which provides for discretionary bonuses. Awards of discretionary bonuses are tied to achievement of targeted performance objectives and described in the Compensation Discussion and Analysis.

(3)The amounts reflected for 2023 in this column include (i) matching contributions to the Energy Transfer 401(k) Plan made on behalf of the named executive officers of $16,500 each for Messrs. Long, McCrea, Bramhall, Whitehurst, Mason and Wright, and (ii) health savings account contributions made on behalf of the named executive officers of $2,000 each for Messrs. Long, McCrea, Whitehurst and Wright, (iii) the dollar value of life insurance premiums paid for the benefit of the named executive officers, and (iv) $68,279 in relocation costs for Mr. Wright. The amounts reflected for all periods exclude distribution payments in connection with distribution equivalent rights on unvested unit awards, because the dollar value of such distributions are factored into the grant date fair value reported in the “Equity Awards” column of the Summary Compensation Table at the time that the unit awards and distribution equivalent rights were originally granted. For 2023, distribution payments in connection with distribution equivalent rights totaled $3,762,597 for Mr. Long, $4,425,772 for Mr. McCrea, $625,571 for Mr. Bramhall, $1,121,545 for Mr. Whitehurst, $1,180,863 for Mr. Mason, and $531,209 for Mr. Wright; these amounts include distribution payments on Sunoco LP unit awards for those executives with such unvested awards.

(4)The amounts reflected in the bonus column for Mr. McCrea in 2022 and 2021 include $1,600,000 per year paid in connection with a time-vested cash award granted in 2020, which represented 50% of Mr. McCrea’s total equity award target for that year; no additional amounts remain outstanding under that award. The amount reflected in the bonus column for 2021 for Mr. McCrea also includes the vesting and payment on February 1, 2021 of a one-time, time-vested cash award of $1,625,000 to Mr. McCrea, which was originally granted in October 2020 in connection with Mr. McCrea’s assumption of his role as Co-Chief Executive Officer.

151

Index to Financial Statements

Grants of Plan-Based Awards in 2023

Name	Grant Date	All Other Unit Awards: Number of Units (#)	Grant Date Fair Value of Unit Awards (1)
Energy Transfer Unit Awards:
Thomas E. Long	12/8/2023	782,138	$	10,402,435
Marshal S. (Mackie) McCrea, III	12/8/2023	782,138	10,402,435
Dylan A. Bramhall	12/8/2023	189,750	2,523,675
Bradford D. Whitehurst	12/8/2023	187,500	2,493,750
Thomas P. Mason	12/8/2023	187,500	2,493,750
James M. Wright, Jr.	12/8/2023	170,775	2,271,308
Energy Transfer Cash Restricted Unit Awards:
Thomas E. Long	12/8/2023	260,712	2,879,625
Marshal S. (Mackie) McCrea, III	12/8/2023	260,712	2,879,625
Dylan A. Bramhall	12/8/2023	63,250	698,611
Bradford D. Whitehurst	12/8/2023	62,500	690,327
Thomas P. Mason	12/8/2023	62,500	690,327
James M. Wright, Jr.	12/8/2023	56,925	628,750

(1)We have computed the grant date fair value of unit awards in accordance with FASB ASC Topic 718, as further described above and in Note 9 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.” For Energy Transfer cash restricted unit awards, the grant date fair value is discounted for the expected distribution yield during the vesting period, as those awards do not include distribution equivalent rights.

Narrative Disclosure to Summary Compensation Table and Grants of the Plan-Based Awards Table

A description of material factors necessary to understand the information disclosed in the tables above with respect to salaries, bonuses, equity awards, and 401(k) plan contributions can be found in the Compensation Discussion and Analysis that precedes these tables.

Outstanding Equity Awards at 2023 Fiscal Year-End

Name	Grant Date(1)	Unit Awards (1)
		Number of Units That Have Not Vested(2) (#)	Market or Payout Value of Units That Have Not Vested (3) ($)
Energy Transfer Unit Awards:
Thomas E. Long	12/8/2023	782,138	$	10,793,504
	12/12/2022	958,950	13,233,510
	12/16/2021	1,121,250	15,473,250
	12/30/2020	264,872	3,655,234
	12/16/2019	86,000	1,186,800
Marshal S. (Mackie) McCrea, III	12/8/2023	782,138	10,793,504
	12/12/2022	958,950	13,233,510
	12/16/2021	1,121,250	15,473,250
	12/30/2020	395,266	5,454,671
	12/16/2019	272,960	3,766,848
Dylan A. Bramhall	12/8/2023	189,750	2,618,550
	12/12/2022	175,125	2,416,725
	12/16/2021	83,400	1,150,920
	12/30/2020	15,000	207,000
	12/16/2019	21,000	289,800
Bradford D. Whitehurst	12/8/2023	187,500	2,587,500
	12/12/2022	243,750	3,363,750
	12/16/2021	228,000	3,146,400
	12/30/2020	66,640	919,632
	12/16/2019	60,920	840,696

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Index to Financial Statements

Thomas P. Mason	12/8/2023	187,500	2,587,500
	12/12/2022	258,788	3,571,274
	12/16/2021	300,300	4,144,140
	12/30/2020	93,960	1,296,648
	12/16/2019	85,920	1,185,696
James M. Wright, Jr.	12/8/2023	170,775	2,356,695
	12/12/2022	131,250	1,811,250
	12/16/2021	131,944	1,820,827
	12/30/2020	39,502	545,128
	12/16/2019	36,120	498,456
Energy Transfer Cash Restricted Unit Awards:
Thomas E. Long	12/8/2023	260,712	3,004,546
	12/12/2022	213,100	2,568,488
	12/16/2021	124,584	1,570,643
Marshal S. (Mackie) McCrea, III	12/8/2023	260,712	3,004,546
	12/12/2022	213,100	2,455,847
	12/16/2021	124,584	1,501,607
Dylan A. Bramhall	12/8/2023	63,250	728,918
	12/12/2022	38,917	469,061
	12/16/2021	9,267	116,830
Bradford D. Whitehurst	12/8/2023	62,500	720,274
	12/12/2022	54,167	652,869
	12/16/2021	25,334	319,389
Thomas P. Mason	12/8/2023	62,500	720,274
	12/12/2022	57,508	693,142
	12/16/2021	33,367	420,662
James M. Wright, Jr.	12/8/2023	56,925	656,026
	12/12/2022	29,167	351,549
	12/16/2021	14,661	184,833
Sunoco LP Unit Awards:
Thomas E. Long	12/30/2020	11,120	666,422
	12/16/2019	7,800	467,454
Dylan A. Bramhall	12/12/2022	14,200	851,006
	12/16/2021	13,000	779,090
	12/30/2020	6,400	383,552
	10/27/2020	8,000	479,440
Bradford D. Whitehurst	12/16/2021	16,100	964,873
	12/30/2020	10,400	623,272
	12/16/2019	7,280	436,290

(1)Certain of these outstanding awards represent subsidiary awards that converted into Energy Transfer awards upon the in connection with restructuring transactions in prior periods.

(2)Energy Transfer and Sunoco LP unit awards outstanding vest as follows:

•at a rate of 60% in December 2026 and 40% in December 2028 for awards granted in December 2023;

•at a rate of 60% in December 2025 and 40% in December 2027 for awards granted in December 2022;

•at a rate of 60% in December 2024 and 40% in December 2026 for awards granted in December 2021;

•100% in December 2025 for the remaining outstanding portion awards granted in October and December 2020; and

•100% in December 2024 for the remaining outstanding portion of awards granted in December 2019.

Such awards may be settled at the election of the Energy Transfer Compensation Committee in (i) common units of Energy Transfer (subject to the approval of the Energy Transfer Incentive Plans prior to the first vesting date by a majority of Unitholders pursuant to the rules of the New York Stock Exchange); (ii) cash equal to the Fair Market Value (as such term is defined in the Energy Transfer Incentive Plans) of the Energy Transfer common units that would otherwise be delivered

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Index to Financial Statements

pursuant to the terms of each named executive officers grant agreement; or (iii) other securities or property in an amount equal to the Fair Market Value of Energy Transfer common units that would otherwise be delivered pursuant to the terms of the grant agreement, or a combination thereof as determined by the Energy Transfer Compensation Committee in its discretion.

Energy Transfer cash restricted unit awards granted in December 2023 vest 1/3 per year in December 2024, 2025 and 2026. Energy Transfer cash restricted unit awards granted in December 2022 vest 1/2 per year in December 2024 and 2025. The remaining outstanding Energy Transfer cash restricted unit awards granted in December 2021 vest in December 2024.

(3)Market value was computed as the number of unvested awards as of December 31, 2023 multiplied by the closing price of respective common units of Energy Transfer and Sunoco LP. For Energy Transfer cash restricted unit awards, the grant date fair value is discounted for the expected distribution yield during the vesting period, as those awards do not include distribution equivalent rights.

Units Vested in 2023

	Unit Awards
Name	Number of Units Acquired on Vesting (#)	Value Realized on Vesting ($) (1)
Energy Transfer Unit Awards:
Thomas E. Long	497,978	$	6,852,177
Marshall S. (Mackie) McCrea, III	835,195	11,492,283
Dylan A. Bramhall	40,500	557,280
Bradford D. Whitehurst	154,036	2,119,535
Thomas P. Mason	217,196	2,988,617
James M. Wright, Jr.	91,313	1,256,467
Energy Transfer Cash Restricted Unit Awards:
Thomas E. Long	290,650	3,999,344
Marshall S. (Mackie) McCrea, III	231,133	3,180,390
Dylan A. Bramhall	41,225	567,261
Bradford D. Whitehurst	107,950	1,485,397
Thomas P. Mason	140,421	1,932,193
James M. Wright, Jr.	62,162	855,349
Sunoco LP Unit Awards:
Thomas E. Long	24,410	1,293,242
Dylan A. Bramhall	21,600	1,144,368
Bradford D. Whitehurst	23,258	1,232,209

(1)Amounts presented represent the value realized upon vesting of these awards, which is calculated as the number of units vested multiplied by the applicable closing market price of applicable common units upon the vesting date.

We have not issued option awards.

Nonqualified Deferred Compensation Table

A description of the key provisions of the Partnership’s deferred compensation plan can be found in the compensation discussion and analysis above.

Name	Executive Contributions in Last FY ($) Acquired on Vesting (#)	Registrant Contributions in Last FY ($) ($) (1)	Aggregate Earnings in Last FY ($) (1)	Aggregate Withdrawals/Distributions ($)	Aggregate Balance at Last FYE ($)
James M. Wright, Jr.	—	—	13,991	—	83,736

(1)Amounts included in the aggregate earnings column above have been included in the change in non-qualified deferred compensation earnings column of the summary compensation table.

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Index to Financial Statements

Potential Payments Upon a Termination or Change of Control

Equity Awards. As discussed in our Compensation Discussion and Analysis above, any unvested equity awards (including cash restricted unit awards) granted pursuant the Energy Transfer Incentive Plans will automatically become vested upon a change of control, which is generally defined as the occurrence of one or more of the following events: (i) any person or group becomes the beneficial owner of 50% or more of the voting power or voting securities of Energy Transfer or its general partner; (ii) LE GP, LLC or an affiliate of LE GP, LLC ceases to be the general partner of Energy Transfer; or (iii) the sale or other disposition, including by liquidation or dissolution, of all or substantially all of the assets of Energy Transfer in one or more transactions to anyone other than an affiliate of Energy Transfer.

In addition, as explained in Equity Awards section of our Compensation Discussion and Analysis above, the restricted unit awards, phantom unit awards and cash restricted unit awards under the Energy Transfer Incentive Plans, the Sunoco LP Plan and the 2012 Sunoco LP Plan generally require the continued employment of the recipient during the vesting period, provided however, the unvested awards will be accelerated in the event of the death or disability of the award recipient prior to the applicable vesting period being satisfied. All awards outstanding to the named executive officers under the Energy Transfer Incentive Plans, the 2018 Sunoco LP Plan or the 2012 Sunoco LP Plan would be accelerated in the event of a change in control of the Partnership.

In addition, the Energy Transfer Compensation Committee and the compensation committee of the general partner of Sunoco LP, have approved a retirement provision, which provides that employees, including the named executive officers with at least five years of service with the general partner, who leave the respective general partner voluntarily due to retirement (i) after age 65 but prior to age 68 are eligible for accelerated vesting of 40% of his or her award; or (ii) after 68 are eligible for accelerated vesting of 50% his or her award. The acceleration of the awards is subject to the applicable provisions of IRC Section 409(A). Beginning with awards granted in 2022, the retirement provision also requires that the award be held for at least one year after the grant date in order to be eligible for acceleration.

The following table shows the amount of incremental value that would have been received by each of the NEOs upon certain events of termination or a change of control resulting in the accelerated vesting of the restricted units and/or restricted phantom units held by our NEOs on December 31, 2023:

Name	Benefit	Termination due to Death or Disability ($) (1)		Termination for Any Other Reason ($)		Change of Control with or without Continued Employment ($) (1)		Not for Cause Termination ($)
Thomas E. Long (2)	Unit Vesting	$	53,734,034	$	—	$	53,734,034	$	—
Marshall S. (Mackie) McCrea, III	Unit Vesting	56,979,648		—		56,979,648		—
Dylan A. Bramhall (2)	Unit Vesting	10,713,868		—		10,713,868		—
Bradford D. Whitehurst (2)	Unit Vesting	15,310,675		—		15,310,675		—
Thomas P. Mason	Unit Vesting	14,901,833		—		14,901,833		—
James M. Wright, Jr.	Unit Vesting	8,422,747		—		8,422,747		—

(1)The amounts reflected above represent the product of the number of RSUs and CRSUs units that were subject to vesting/restrictions on December 31, 2023 multiplied by the closing price of applicable common units on that date.

(2)For Messrs. Long, Bramhall and Whitehurst, the amounts reported above include outstanding Energy Transfer plan-based awards and outstanding Sunoco LP restricted units.

Deferred Compensation Plan. As discussed in our Compensation Discussion and Analysis above, all amounts under the Energy Transfer NQDC Plan (other than discretionary credits) are immediately 100% vested. Upon a change of control (as defined in the Energy Transfer NQDC Plan), distributions from the respective plan would be made in accordance with the normal distribution provisions of the respective plan. A change of control is generally defined in the Energy Transfer NQDC Plan as any change of control event within the meaning of Treasury Regulation Section 1.409A-3(i)(5).

CEO Pay Ratio

In accordance with Section 953(b) of the Dodd-Frank Wall Street Reform and Consumer Protection Act, and Item 402(u) of Regulation S-K, set forth below is information about the relationship of the annual total compensation of Messrs. Long and McCrea, Co-Chief Executive Officers, and the annual total compensation of our employees.

For the 2023 calendar year, the annual total compensation of Messrs. Long and McCrea, as reported in the Summary Compensation Table of this Item 11 was $17,039,781 and $17,038,658, respectively.

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Index to Financial Statements

The median total compensation of the employees supporting the Partnership (other than Messrs. Long and McCrea) was $147,362 for 2023.

Based on this information, for 2023 the ratio of the annual total compensation of Messrs. Long and McCrea to the median of the annual total compensation of the employees supporting the Partnership as of December 31, 2023 was approximately 116 to 1.

To identify the median of the annual total compensation of the employees supporting the Partnership, the following steps were taken:

1.It was determined that, as of December 31, 2023, the applicable employee populations consisted of 10,579 with all of the identified individuals being employed in the United States. This population consisted of all of our full-time and part-time employees. We did not engage any independent contractors in 2023 that are required to be included in our employee population for the CEO pay ratio evaluation.

2.To identify the “median employee” from our employee population, we compared the total earnings of our employees as reflected in our payroll records as reported on Form W-2 for 2023.

3.We identified our median employee using W-2 reporting and applied this compensation measure consistently to all of our employees required to be included in the calculation. We did not make any cost of living adjustments in identifying the “median employee.”

4.Once we identified our median employee, we combined all elements of the employee’s compensation for 2023 resulting in an annual compensation of $147,362 with total cash compensation of $126,264 The difference between such employee’s total earnings and the employee’s total compensation represents the estimated value of the employee’s health care benefits (estimated for the employee and such employee’s eligible dependents at $13,908) and the employee’s 401(k) matching contribution and profit sharing contribution (estimated at $7,190 per employee, includes $4,501 per employee on average matching contribution and $2,689 per employee on average profit sharing contribution (employees earning over $175,000 in base are ineligible for profit sharing)).

5.With respect to Messrs. Long and McCrea, we used the amount reported in the “Total” column of our 2023 Summary Compensation Table under this Item 11.

Director Compensation

In 2023, the compensation arrangements for outside directors included a $100,000 annual retainer for services on the board. If a director served on the Energy Transfer Audit Committee, such director would receive an annual cash retainer ($15,000 or $25,000 in the case of the chairman). If a director served on the Energy Transfer Compensation Committee, such director would receive an annual cash retainer ($7,500 or $15,000 in the case of the chairman). The fees for membership on the Conflicts Committee are determined on a per instance basis for each committee assignment.

The outside directors of our General Partner are also entitled to an annual restricted unit award under the Energy Transfer Incentive Plans equal to an aggregate of $125,000 based on the same grant date valuation as is used for annual long-term incentive awards made to Partnership officers, including the named executive officers, through the annual modified total unitholder return analysis. These Energy Transfer common units will vest 60% after the third year and the remaining 40% after the fifth year after the grant date. The compensation expense recorded is based on the grant-date market value of the Energy Transfer common units and is recognized over the vesting period. Distributions are paid during the vesting period.

The compensation paid to the non-employee directors of our General Partner in 2023 is reflected in the following table:

Name	Fees Paid in Cash(1) ($)		Unit Awards(2) ($)		All Other Compensation ($)		Total ($)
Steven R. Anderson	$	122,500	$	137,162	$	—	$	259,662
Richard D. Brannon	125,000		137,162		—		262,162
Ray C. Davis (3)	25,000		—		—		25,000
Michael K. Grimm	130,000		137,162		—		267,162
John W. McReynolds	100,000		137,162		—		237,162
James R. Perry	100,000		137,162		—		237,162
Matthew S. Ramsey	100,000		137,162		—		237,162

(1)Fees paid in cash are based on amounts paid during the period.

(2)Equity award amounts reflect the aggregate grant date fair value of unit awards granted for the periods presented, computed in accordance with FASB ASC Topic 718, disregarding any estimates for forfeitures. See Note 9 to our consolidated

156

Index to Financial Statements

financial statements included in “Item 8. Financial Statements and Supplementary Data” for additional assumptions underlying the value of the equity awards.

As discussed above, the number of units awarded is based on the annual award amount of $125,000 divided by the same grant-date valuation as is used for annual long-term incentive award to Partnership officers through the modified total unitholders return analysis.

(3)Mr. Davis resigned from the board of directors of our General Partner, effective December 31, 2022, the fess paid in cash in 2023 above relate to services performed in 2022.

As of December 31, 2023, Mr. Anderson had 46,584 unvested Energy Transfer restricted units outstanding, Mr. Brannon had 46,584 unvested Energy Transfer restricted units outstanding, Mr. Grimm had 46,584 unvested Energy Transfer restricted units outstanding, Mr. McReynolds had 24,172 unvested Energy Transfer restricted units outstanding, Mr. Perry had 44,565 unvested Energy Transfer restricted units outstanding and Mr. Ramsey had 21,302 unvested Energy Transfer restricted units outstanding.

The executive chairman and the employee directors do not receive compensation for their service on the board of our General Partner.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED UNITHOLDER MATTERS

Equity Compensation Plan Information

The following table sets forth in tabular format, a summary of our equity plan information as of December 31, 2023:

Plan Category	Number of securities to be issued upon exercise of outstanding options, warrants and rights (a)	Weighted-average exercise price of outstanding options, warrants and rights (b)		Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) (c)
Equity compensation plans approved by security holders	—	$	—	—
Equity compensation plans not approved by security holders	39,105,067	—		42,904,968
Total	39,105,067	$	—	42,904,968

Energy Transfer LP Units

The following table sets forth certain information as of February 9, 2024, regarding the beneficial ownership of our voting securities by (i) certain beneficial owners of more than 5% of our Common Units, (ii) each director and named executive officer

157

Index to Financial Statements

of our General Partner and (iii) all current directors and executive officers of our General Partner as a group. The General Partner knows of no other person not disclosed herein who beneficially owns more than 5% of our Common Units.

	Beneficially Owned (2)		Percent of Class
Name and Address of Beneficial Owner (1)	Common Units	Class A Units(3)	Common Units		Class A Units
Kelcy L. Warren (4)	298,799,984	833,543,364	8.9	%	100.0	%
Thomas E. Long	1,075,649	—	*		N/A
Marshall S. (Mackie) McCrea, III (5)	3,783,579	—	*		N/A
Dylan A. Bramhall	134,506	—	*		N/A
Thomas P. Mason	891,285	—	*		N/A
Bradford D. Whitehurst (6)	663,131	—	*		N/A
James M. Wright, Jr.	276,646	—	*		N/A
Steven R. Anderson (7)	1,569,047	—	*		N/A
Richard D. Brannon (8)	708,936	—	*		N/A
Michael K. Grimm (9)	768,811	—	*		N/A
John W. McReynolds (10)	30,225,200	—	*		N/A
James R. Perry	135,873	—	*		N/A
Matthew S. Ramsey	1,121,845	—	*		N/A
All Directors and Executive Officers as a group (14 persons)	340,294,745	833,543,364	10.1	%	100.0	%

*Less than 1%

(1)The address for all listed beneficial owners is 8111 Westchester Drive, Suite 600, Dallas, Texas 75225.

(2)Beneficial ownership for the purposes of this table is defined by Rule 13d-3 under the Exchange Act of 1934. Under that rule, a person is generally considered to be the beneficial owner of a security if he has or shares the power to vote or direct the voting thereof or to dispose or direct the disposition thereof or has the right to acquire either of those powers within sixty days. The nature of beneficial ownership for all listed persons is direct with sole investment and disposition power unless otherwise noted. The beneficial ownership of each listed person is based on 3,367,757,556 common units outstanding in the aggregate as of February 9, 2024.

(3)The Energy Transfer Class A Units are entitled to vote together with the Partnership’s common units and are not entitled to distributions and otherwise have no economic attributes. The Energy Transfer Class A Units are not convertible into, or exchangeable for, Partnership common units. Under the terms of the Energy Transfer Class A Units, upon the issuance by the Partnership of additional common units or any securities that have voting rights that are pari passu with the Partnership common units, the Partnership will issue to the general partner additional Energy Transfer Class A Units such that Mr. Warren, through his majority ownership of our general partner, maintains the approximately 20% voting percentage in the Partnership represented by such Energy Transfer Class A Units equivalent to such Energy Transfer Class A Unit voting interest prior to such issuance of additional common units. This provision of the Energy Transfer Class A Units shall terminate at such time as Mr. Warren ceases to be an officer or director of our general partner, provided that all Energy Transfer Class A Units outstanding at such time shall be unchanged and remain outstanding. Mr. Warren’s combined common unit and Energy Transfer Class A Unit ownership results in a voting interest in the Partnership of 27%.

(4)Includes 120,385,650 common units held by Kelcy Warren Partners, L.P. and 10,224,429 common units held by Kelcy Warren Partners II, L.P., the general partners of which are owned by Mr. Warren. Also includes 100,577,803 common units held by Kelcy Warren Partners III, LLC formerly known as Seven Bridges Holdings, LLC, of which Mr. Warren is a member. Also includes 328,383 common units attributable to the interest of Mr. Warren in ET Company Ltd and Three Dawaco, Inc., over which Mr. Warren exercises shared voting and dispositive power with Ray Davis. Also includes 601,076 common units and 833,543,364 Energy Transfer Class A Units held by LE GP, LLC. Mr. Warren may be deemed to own common units and Energy Transfer Class A Units held by LE GP, LLC due to his ownership of 81.2% of its member interests. Mr. Warren disclaims beneficial ownership of common units and Energy Transfer Class A Units owned by LE GP, LLC other than to the extent of his interest in such entity. Also includes 104,166 common units held by Mr. Warren’s spouse. Mr. Warren’s combined common unit and Energy Transfer Class A Unit ownership results in a voting interest in the Partnership of 27%.

158

Index to Financial Statements

(5)Includes 45,389 common units held by a trust for the benefit of Mr. McCrea’s son, for which Mr. McCrea serves as trustee. Mr. McCrea disclaims beneficial ownership of these units.

(6)Includes 328,617 common units held by Mr. Whitehurst in a margin account.

(7)Includes 1,544,558 common units held by Steven R. Anderson Revocable Trust, for which Mr. Anderson serves as trustee. Includes 603,100 common units pledged as collateral for a line of credit.

(8)Includes 580,000 common units held by B4 Capital Investments, LP, a limited partnership of which a limited liability company owned by Mr. Brannon and his wife is the sole general partner and of which Mr. Brannon and his wife are the sole limited partners.

(9)Includes 581,799 common units held Grimm Family Limited Partnership, a limited partnership of which a limited liability company owned by Mr. Grimm is the sole general partner.

(10)Includes 17,445,608 common units held by McReynolds Energy Partners L.P. and 12,142,593 common units held by McReynolds Equity Partners L.P., the general partners of which are owned by Mr. McReynolds. Mr. McReynolds disclaims beneficial ownership of common units owned by such limited partnerships other than to the extent of his interest in such entities.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

The Partnership’s principal sources of cash flow are derived from cash flows from the operations of its subsidiaries, including its direct and indirect investments in the limited partner and general partner interests in Sunoco LP and USAC, both of which are limited partnerships engaged in energy-related services.

In making its director independence determination, the Board considered business arrangements involving a director who owns equity interest in, and is the CEO of, a company that owns working interests in oil and gas wells, and affiliates of the Partnership who made nominal payments to that company. None of the arrangements involved payments to the company of more than $1 million in any of the past three fiscal years and the Board determined that the relationship did not impact the director’s independence.

For a discussion of director independence, see “Item 10. Directors, Executive Officers and Corporate Governance.”

As a policy matter, our Conflicts Committee generally reviews any proposed related party transaction that may be material to the Partnership to determine whether the transaction is fair and reasonable to the Partnership. The Partnership’s board of directors makes the determinations as to whether there exists a related party transaction in the normal course of reviewing transactions for approval as the Partnership’s board of directors is advised by its management of the parties involved in each material transaction as to which the board of directors’ approval is sought by the Partnership’s management. In addition, the Partnership’s board of directors makes inquiries to independently ascertain whether related parties may have an interest in the proposed transaction. While there are no written policies or procedures for the board of directors to follow in making these determinations, the Partnership’s board makes those determinations in light of its contractually-limited fiduciary duties to the Unitholders. The Partnership Agreement of Energy Transfer provides that any matter approved by the Conflicts Committee will be conclusively deemed to be fair and reasonable to Energy Transfer, approved by all the partners of Energy Transfer and not a breach by the General Partner or its Board of Directors of any duties they may owe Energy Transfer or the Unitholders (see “Risks Related to Conflicts of Interest” in “Item 1A. Risk Factors” in this annual report).

Additional information on our related party transactions is included in Note 2 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

159

Index to Financial Statements

ITEM 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES

The following sets forth fees billed by Grant Thornton LLP for the audit of our annual financial statements and other services rendered (dollars in millions):

	Years Ended December 31,
	2023		2022
Audit fees (1)	$	9.4	$	9.2
Audit-related fees(2)	1.8		1.6
Total	$	11.2	$	10.8

(1)Includes fees for audits of annual financial statements of our companies, reviews of the related quarterly financial statements, and services that are normally provided by the independent accountants in connection with statutory and regulatory filings or engagements, including reviews of documents filed with the SEC and services related to the audit of our internal control over financial reporting.

(2)Includes fees for audit-related services of subsidiary entities.

Pursuant to the charter of the Audit Committee, the Audit Committee is responsible for the oversight of our accounting, reporting and financial practices. The Audit Committee has the responsibility to select, appoint, engage, oversee, retain, evaluate and terminate our external auditors; pre-approve all audit and non-audit services to be provided, consistent with all applicable laws, to us by our external auditors; and establish the fees and other compensation to be paid to our external auditors. The Audit Committee also oversees and directs our internal auditing program and reviews our internal controls.

The Audit Committee has adopted a policy for the pre-approval of audit and permitted non-audit services provided by our principal independent accountants. The policy requires that all services provided by Grant Thornton LLP including audit services, audit-related services, tax services and other services, must be pre-approved by the Audit Committee. All fees paid or expected to be paid to Grant Thornton LLP for fiscal years 2023 and 2022 were pre-approved by the Audit Committee in accordance with this policy.

The Audit Committee reviews the external auditors’ proposed scope and approach as well as the performance of the external auditors. It also has direct responsibility for and sole authority to resolve any disagreements between our management and our external auditors regarding financial reporting, regularly reviews with the external auditors any problems or difficulties the auditors encountered in the course of their audit work, and, at least annually, uses its reasonable efforts to obtain and review a report from the external auditors addressing the following (among other items):

•the auditors’ internal quality-control procedures;

•any material issues raised by the most recent internal quality-control review, or peer review, of the external auditors;

•the independence of the external auditors;

•the aggregate fees billed by our external auditors for each of the previous two years; and

•the rotation of the lead partner.

160

Index to Financial Statements

PART IV

ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

The following documents are filed as a part of this Report:		Page
	(1) Financial Statements – see Index to Financial Statements	F - 1
	(2) Financial Statement Schedules – None
	(3) Exhibits – see Index to Exhibits	163

161

Index to Financial Statements

ITEM 16. FORM 10-K SUMMARY

None.

162

Index to Financial Statements

INDEX TO EXHIBITS

The exhibits listed on the following Exhibit Index are filed as part of this report. Exhibits required by Item 601 of Regulation S-K, but which are not listed below, are not applicable.

Exhibit Number	Description
2.1	Agreement and Plan of Merger, dated as of September 15, 2019, by and among Energy Transfer LP, Nautilus Merger Sub LLC and SemGroup Corporation (incorporated by reference to Exhibit 2.1 to Form 8-K (File No. 1-32740) filed September 16, 2019)
2.2	Agreement and Plan of Merger, dated as of February 16, 2021, by and among Energy Transfer LP, Elk Merger Sub LLC, Elk GP Merger Sub LLC, Enable Midstream Partners, LP, Enable GP, LLC, solely for the purpose of Section 21.(a)(i), LE GP, LLC, and, solely for the purpose of Section 1.1(b)(i), CenterPoint Energy, Inc. (incorporated by reference to Exhibit 2.1 to Form 8-K (File No. 1-32740) filed February 17, 2021)
2.3	Agreement and Plan of Merger, dated as of March 5, 2021, by and among Energy Transfer LP, ETO Merger Sub LLC and Energy Transfer Operating, L.P. (incorporated by reference to Exhibit 2.1 to Form 8-K (File No. 1-32740) filed March 5, 2021)
2.4	Agreement and Plan of Merger, dated as of April 1, 2021, by and among Energy Transfer Operating, L.P., Sunoco Logistics Partners Operations L.P. and Sunoco Logistics Partners GP LLC (incorporated by reference to Exhibit 2.1 to Form 8-K (File No. 1-32740) filed April 2, 2021)
2.5	Agreement and Plan of Merger, dated as of April 1, 2021, by and among Energy Transfer LP and Energy Transfer Operating, L.P. (incorporated by reference to Exhibit 2.2 to Form 8-K (File No. 1-32740) filed April 2, 2021)
3.1	Certificate of Limited Partnership of Energy Transfer Equity, L.P. (incorporated by reference to Exhibit 3.2 to Form S-1 (File No. 333-128097) filed September 2, 2005)
3.1.1	Certificate of Amendment to Certificate of Limited Partnership of Energy Transfer LP (incorporated by reference to Exhibit 3.1 to Form 8-K (File No. 1-32740) filed October 19, 2018)
3.2	Fourth Amended and Restated Agreement of Limited Partnership of Energy Transfer LP, dated November 3, 2023 (incorporated by reference to Exhibit 3.2 to Form 8-K (File No. 1-32740) filed November 6, 2023)
4.1	Indenture, dated September 20, 2010 between Energy Transfer Equity, L.P. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 1-32740) filed September 20, 2010)
4.2	Fourth Supplemental Indenture, dated December 2, 2013 between Energy Transfer Equity, L.P. and U.S. Bank National Association, as trustee (including form of the Notes) (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-32740) filed December 2, 2013)
4.3	Fifth Supplemental Indenture, dated May 28, 2014 between Energy Transfer Equity, L.P. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-32740) filed May 28, 2014)
4.4	Sixth Supplemental Indenture, dated May 28, 2014 between Energy Transfer Equity, L.P. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.3 to Form 8-K (File No. 1-32740) filed May 28, 2014)
4.5	Seventh Supplemental Indenture, dated May 22, 2015 between Energy Transfer Equity, L.P. and U.S. Bank National Association, as trustee (including form of the Notes) (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-32740) filed May 22, 2015)
4.6	Eighth Supplemental Indenture dated October 18, 2017 between Energy Transfer Equity, L.P. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-32740) filed October 18th, 2017)
4.7	Ninth Supplemental Indenture, dated as of March 25, 2019, between Energy Transfer LP and U.S. Bank National Association as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-32740) filed March 27, 2019)
4.8	Indenture dated January 18, 2005 among Energy Transfer Partners, L.P., the subsidiary guarantors named therein and Wachovia Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 1-11727) filed January 19, 2005)
4.9	Fifth Supplemental Indenture dated as of October 23, 2006 to Indenture dated January 18, 2005, among Energy Transfer Partners, L.P, the subsidiary guarantors named therein and Wachovia Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 1-11727) filed October 25, 2006)
4.10	Sixth Supplemental Indenture dated March 28, 2008, by and between Energy Transfer Partners, L.P., as issuer, and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-11727) filed March 31, 2008)
4.11	Ninth Supplemental Indenture, dated as of May 12, 2011, to the Indenture dated January 18, 2005, by and between Energy Transfer Partners, L.P. and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-11727) filed May 12, 2011)

163

Index to Financial Statements

Exhibit Number	Description
4.12	Tenth Supplemental Indenture, dated as of January 17, 2012, to the Indenture dated January 18, 2005, by and between Energy Transfer Partners, L.P. and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-11727) filed January 17, 2012)
4.13	Eleventh Supplemental Indenture dated as of January 22, 2013 by and between Energy Transfer Partners, L.P., as issuer, and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-11727) filed January 23, 2013)
4.14	Twelfth Supplemental Indenture, dated as of January 24, 2013, by and between Energy Transfer Partners, L.P., as issuer, and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-11727) filed June 26, 2013)
4.15	Thirteenth Supplemental Indenture, dated as of September 19, 2013, by and between Energy Transfer Partners, L.P., as issuer, and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-11727) filed September 19, 2013)
4.16	Fourteenth Supplemental Indenture, dated as of March 12, 2015, by and between Energy Transfer Partners, L.P., as issuer, and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-11727) filed March 12, 2015)
4.17	Fifteenth Supplemental Indenture, dated as of June 23, 2015, by and between Energy Transfer Partners, L.P., as issuer, and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.3 to Form 8-K (File No. 1-11727) filed June 23, 2015)
4.18	Sixteenth Supplemental Indenture, dated as of January 17, 2017, between Energy Transfer Partners, L.P. and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-11727) filed January 17, 2017)
4.19	Seventeenth Supplemental Indenture, dated as of December 1, 2017, between Energy Transfer Partners, L.P. and U.S. Bank National Association (as successor to Wachovia Bank, National Association), as trustee (incorporated by reference to Exhibit 10.8 to Form 8-K (File No. 1-31219) filed December 6, 2017)
4.20	Second Supplemental Indenture, dated December 1, 2017, among Energy Transfer Partners, L.P., and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 10.5 to Form 8-K (File No. 1-31219) filed December 6, 2017)
4.21	Indenture, dated as of May 15, 1994, between Sunoco, Inc. and U.S. Bank National Association, as successor trustee to Citibank, N.A., relating to Sunoco, Inc.’s 9.00% Debentures due 2024 (incorporated by reference to Exhibit 4.8 to Form 8-K (File No. 1-31219) filed October 5, 2012)
4.22	First Supplemental Indenture, dated as of October 5, 2012, among Energy Transfer Partners, L.P., Sunoco, Inc. and U.S. Bank National Association, as successor trustee to Citibank, N.A., to the Indenture, dated as of May 15, 1994 (incorporated by reference to Exhibit 4.9 to Form 8-K (File No. 1-11727) filed October 5, 2012)
4.23	Sixteenth Supplemental Indenture, dated as of September 21, 2017, by and among Sunoco Logistics Partners Operations L.P., as issuer, Energy Transfer Partners, L.P., as guarantor, and U.S. Bank National Association, as successor trustee (incorporated by reference to Exhibit 4.4 to Form 8-K (File No. 1-31219) filed September 25, 2017)
4.24	Fifteenth Supplemental Indenture, dated as of September 21, 2017, by and among Sunoco Logistics Partners Operations L.P., as issuer, Energy Transfer Partners, L.P., as guarantor, and U.S. Bank National Association, as successor trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-31219) filed September 25, 2017)
4.25	Third Supplemental Indenture, dated as of December 12, 2017, by and among Energy Transfer Partners, L.P., Sunoco Logistics Partners Operations L.P. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-31219) filed December 15, 2017)
4.26	Eighteenth Supplemental Indenture, dated as of December 12, 2017, by and among Energy Transfer Partners, L.P., Sunoco Logistics Partners Operations L.P. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 10.2 to Form 8-K (File No. 1-31219) filed December 15, 2017)
4.27	Tenth Supplemental Indenture, dated as of December 12, 2017, by and among Energy Transfer Partners, L.P., Regency Energy Finance Corp., Sunoco Logistics Partners Operations L.P. and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 10.3 to Form 8-K (File No. 1-31219) filed December 15, 2017)
4.28	Second Supplemental Indenture, dated as of December 1, 2017, by and between Energy Transfer Partners, L.P. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 10.6 to Form 8-K (File No. 1-31219) filed December 6, 2017)
4.29	Indenture, dated as of June 8, 2018, among Energy Transfer Partners, L.P. as issuer, Sunoco Logistics Partners Operations L.P., as guarantor, and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 1-31219) filed June 8, 2018)

164

Index to Financial Statements

Exhibit Number	Description
4.30	First Supplemental Indenture, dated as of June 8, 2018, by and among Energy Transfer Partners, L.P., as issuer, the subsidiary guarantors named therein, and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-31219) filed June 8, 2018)
4.31	Second Supplemental Indenture, dated as of January 15, 2019, by and among Energy Transfer Operating, L.P., as issuer, the subsidiary guarantors named therein, and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-31219) filed January 15, 2019)
4.32	Third Supplemental Indenture, dated as of March 25, 2019, by and among Energy Transfer Operating, L.P., as issuer, the subsidiary guarantors named therein, and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-31219) filed March 27, 2019)
4.33	Fourth Supplemental Indenture dated as of January 22, 2020, by and among Energy Transfer Operating, L.P., as issuer, the subsidiary guarantors named therein, U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-31219) filed January 22, 2020)
4.34	Fifth Supplemental Indenture, dated as of December 28, 2021, by and among Energy Transfer LP, Enable Midstream Partners, LP and U.S. Bank National Association (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 1-32740) filed December 28, 2021)
4.35	Indenture, dated as of May 27, 2014, by and among Enable Midstream Partners, LP, CenterPoint Energy Resources Corp., as guarantor, and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 1-36413) filed May 29, 2014)
4.36	First Supplemental Indenture, dated as of May 27, 2014, by and among Enable Midstream Partners, LP, as issuer, CenterPoint Energy Resources Corp., as guarantor and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-36413) filed May 29, 2014)
4.37	Second Supplemental Indenture, dated as of March 9, 2017, by and among Enable Midstream Partners, LP, as issuer, CenterPoint Energy Resources Corp., as guarantor and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-36413) filed March 9, 2017)
4.38	Third Supplemental Indenture, dated as of May 10, 2018, by and among Enable Midstream Partners, LP, as issuer, and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-36413) filed May 10, 2018)
4.39	Fourth Supplemental Indenture, dated as of September 13, 2019, by and among Enable Midstream Partners, LP, as issuer, and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-36413) filed September 13, 2019)
4.40	Indenture, dated as of March 29, 1999, among CMS Panhandle Holding Company, Panhandle Eastern Pipe Line Company and NBD Bank (the predecessor to Bank One Trust Company, National Association, J.P. Morgan Trust Company, National Association, The Bank of New York Trust Company, N.A. and The Bank of New York Mellon Trust Company, N.A.), as Trustee (incorporated by reference to Exhibit 4(a) to Form 10-Q (File No. 001-02921) filed May 15, 1999)
4.41	First Supplemental Indenture dated, as of March 29, 1999, among CMS Panhandle Holding Company, Panhandle Eastern Pipe Line Company and NBD Bank (the predecessor to Bank One Trust Company, National Association, J.P. Morgan Trust Company, National Association, The Bank of New York Trust Company, N.A. and The Bank of New York Mellon Trust Company, N.A.), as Trustee, including a form of Guarantee by Panhandle Eastern Pipe Line Company of the obligations of CMS Panhandle Holding Company (incorporated by reference to Exhibit 4(b) to Form 10-Q (File No. 001-02921) filed May 15, 1999)
4.42	Second Supplemental Indenture between Southern Union Company and The Bank of New York, N.A., as Trustee, dated as of October 23, 2006 (incorporated by reference to Exhibit 4.1 to Form 8-K/A (File No. 001-06407) filed October 24, 2006)
4.43	Third Supplemental Indenture, dated as of June 24, 2013, between Southern Union Company and The Bank of New York Mellon Trust Company, N.A., as Trustee (incorporated by reference to Exhibit 4.3 to Form 8-K (File No. 001-06407) filed June 26, 2013)
4.44	Form of Sixth Supplemental Indenture, dated as of June 12, 2008, between PEPL and The Bank of New York Trust Company, N.A. (now known as The Bank of New York Mellon Trust Company, N.A.), as Trustee (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 001-02921) filed June 11, 2008)
4.45	Form of Seventh Supplemental Indenture, to be dated as of June 2, 2009, between PEPL and The Bank of New York Mellon Trust Company, N.A. (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 001-02921) filed May 28, 2009)
4.46	Supplemental Indenture No. 3, dated as of June 24, 2013 between Southern Union Company and The Bank of New York Mellon Trust Company, N.A., as Trustee (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 001-06407) filed June 26, 2013)
4.47	Supplemental Indenture No. 4, dated as of June 24, 2013, between Southern Union Company and The Bank of New York Mellon Trust Company, N.A., as Trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 001-06407) filed June 26, 2013)

165

Index to Financial Statements

Exhibit Number	Description
4.48	Third Supplemental Indenture, dated as of April 1, 2021 by and between Energy Transfer LP and U.S. Bank National Association (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-32740) filed April 2, 2021)
4.49	Fourth Supplemental Indenture, dated as of April 1, 2021 by and between Energy Transfer LP and U.S. Bank National Association (incorporated by reference to Exhibit 10.2 to Form 8-K (File No. 1-32740) filed April 2, 2021)
4.50	Fifth Supplemental Indenture, dated as of April 1, 2021 by and between Energy Transfer LP and U.S. Bank National Association (incorporated by reference to Exhibit 10.3 to Form 8-K (File No. 1-32740) filed April 2, 2021)
4.51	Seventeenth Supplemental Indenture, dated as of April 1, 2021 by and between Energy Transfer LP and U.S. Bank National Association (incorporated by reference to Exhibit 10.4 to Form 8-K (File No. 1-32740) filed April 2, 2021)
4.52	Nineteenth Supplemental Indenture, dated as of April 1, 2021 by and between Energy Transfer LP and U.S. Bank National Association (incorporated by reference to Exhibit 10.5 to Form 8-K (File No. 1-32740) filed April 2, 2021)
4.53	Eleventh Supplemental Indenture, dated April 1, 2021 by and between Energy Transfer LP, Regency Energy Finance Corp., and Wells Fargo Bank, National Association (incorporated by reference to Exhibit 10.6 to Form 8-K (File No. 1-32740) filed April 2, 2021)
4.54	Sixth Supplemental Indenture, dated as of April 30, 2015, by and among Regency Energy Partners LP, Regency Energy Finance Corp., the subsidiary guarantors party thereto, Panhandle Eastern Pipe Line Company, LP, as guarantor, and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 10.3 to Form 8-K (File No. 1-11727) filed April 30, 2015)
4.55	Seventh Supplemental Indenture, dated as of May 28, 2015, by and among Regency Energy Partners LP, Regency Energy Finance Corp., the subsidiary guarantors party thereto, Panhandle Eastern Pipe Line Company, LP, Energy Transfer Partners, L.P., as co-obligor, and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-11727) filed June 1, 2015)
4.56	Eighth Supplemental Indenture, dated as of August 10, 2015, by and among Energy Transfer Partners, L.P., Regency Energy Finance Corp. and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 10.2 to Form 8-K (File No. 1-11727) filed August 13, 2015)
4.57	Ninth Supplemental Indenture, dated as of December 1, 2017 by and among Energy Transfer Partners, L.P., Regency Energy Finance Corp. and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 10.9 to Form 8-K (File No. 1-31219) filed December 6, 2017)
4.58	Supplemental Indenture No. 6, dated November 3, 2022, between Panhandle Eastern Pipe Line Company, LP, Energy Transfer LP and the Bank of New York Mellon Trust Company, as Trustee (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-2921) filed November 17, 2022)
4.59	Fifth Supplemental Indenture, dated November 3, 2022, between Panhandle Eastern Pipe Line Company, LP, Energy Transfer LP and the Bank of New York Mellon Trust Company, as Trustee (incorporated by reference to Exhibit 10.2 to Form 8-K (File No. 1-2921) filed November 17, 2022)
4.60	Eighth Supplemental Indenture, dated November 3, 2022, between Panhandle Eastern Pipe Line Company, LP, Energy Transfer LP and the Bank of New York Mellon Trust Company, as Trustee (incorporated by reference to Exhibit 10.3 to Form 8-K (File No. 1-2921) filed November 17, 2022)
4.61	Indenture, dated as of December 14, 2022, between Energy Transfer LP, as issuer, and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.1 to Form 8-K (File No. 1-32740) filed December 14, 2022)
4.62	First Supplemental Indenture, dated as of December 14, 2022, between Energy Transfer LP, as issuer, and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-32740) filed December 14, 2022)
4.63	Second Supplemental Indenture, dated as of October 13, 2023, between Energy Transfer LP, as issuer, and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-32740) filed October 13, 2023
4.64	Third Supplemental Indenture, dated as of January 25, 2024, between Energy Transfer LP, as issuer, and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.2 to Form 8-K (File No. 1-32740) filed January 25, 2024
4.65	Fourth Supplemental Indenture, dated as of January 25, 2024, between Energy Transfer LP, as issuer, and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.3 to Form 8-K (File No. 1-32740) filed January 25, 2024

166

Index to Financial Statements

Exhibit Number	Description
4.66	Description of Registrant’s securities registered pursuant to Section 12 of the Securities Exchange Act of 1934 - Description of Series C Preferred Units (incorporated by reference to Exhibit 4.43 to Form 10-K (File No. 1-32740) filed February 18, 2022)
4.67	Description of Registrant’s securities registered pursuant to Section 12 of the Securities Exchange Act of 1934 - Description of Series D Preferred Units (incorporated by reference to Exhibit 4.44 to Form 10-K (File No. 1-32740) filed February 18, 2022)
4.68	Description of Registrant’s securities registered pursuant to Section 12 of the Securities Exchange Act of 1934 - Description of Series E Preferred Units (incorporated by reference to Exhibit 4.45 to Form 10-K (File No. 1-32740) filed February 18, 2022)
4.69*	Description of Registrant’s securities registered pursuant to Section 12 of the Securities Exchange Act of 1934 - Description of Series I Preferred Units
4.70*	Description of Registrant’s securities registered pursuant to Section 12 of the Securities Exchange Act of 1934 - Description of common units
10.1+	Amended and Restated Energy Transfer LP Long-Term Incentive Plan (formerly Amended and Restated Energy Transfer Equity, L.P. Long-Term Incentive Plan) (incorporated by reference to Exhibit 10.1 to Form 10-K (File No. 1-32740) filed February 23, 2018)
10.2+	First Amendment to the Amended and Restated Energy Transfer LP Long-Term Incentive Plan (incorporated by reference to Exhibit 10.2 to Form 10-K (File No. 1-32740) filed February 19, 2021)
10.3+	Second Amendment to the Amended and Restated Energy Transfer LP Long-Term Incentive Plan (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-32740) filed January 6, 2021)
10.4+	Energy Transfer LP Long-Term Cash Restricted Unit Plan (incorporated by reference to Exhibit 10.2 to Form 8-K (File No. 1-32740) filed January 6, 2021)
10.5+	Form of Cash Unit Award Agreement under the Energy Transfer LP Long-Term Cash Restricted Unit Plan (incorporated by reference to Exhibit 10.3 to Form 8-K (File No. 1-32740) filed January 6, 2021)
10.6+	Second Amended and Restated Energy Transfer LP 2008 Long-Term Incentive Plan (formerly Second Amended and Restated Energy Transfer Partners, L.P. 2008 Long-Term Incentive Plan) (incorporated by reference to Exhibit 4.1 to Form S-8 (File No. 333-229456) filed January 31, 2019)
10.7+	Energy Transfer LP 2011 Long-Term Incentive Plan (formerly Regency Energy Partners LP 2011 Long-Term Incentive Plan) (incorporated by reference to Exhibit 4.2 to Form S-8 (File No 333-229456) filed January 31, 2019)
10.8+	Energy Transfer LP 2015 Long-Term Incentive Plan, as amended and restated (formerly Sunoco Partners LLC Long-Term Incentive Plan, as amended and restated) (incorporated by reference to Exhibit 4.3 to Form S-8 (File No. 333-229456) filed January 31, 2019)
10.9+	Form of Director and Officer Indemnification Agreement (incorporated by reference to Exhibit 10.26 to Form S-1 (File No. 333-128097) filed December 20, 2005)
10.10+	LE GP, LLC Amended and Restated Outside Director Compensation Policy (incorporated by reference to Exhibit 10.9 to Form 10-K (File No. 1-32740) filed February 22, 2019)
10.11+	Energy Transfer Deferred Compensation Plan (formerly called Energy Transfer Partners Deferred Compensation Plan) (incorporated by reference to Exhibit 10.1 to Form 10-Q (File No. 1-11727) filed May 7, 2010)
10.12+	Amendment No. 1 to the Energy Transfer Deferred Compensation Plan (formerly called Energy Transfer Partners Deferred Compensation Plan) (incorporated by reference to Exhibit 10.12 to Form 10-K (File No. 1-32740) filed February 18, 2022)
10.13+	Amendment No. 2 to the Energy Transfer Deferred Compensation Plan (incorporated by reference to Exhibit 10.13 to Form 10-K (File No. 1-32740) filed February 18, 2022)
10.14+	Energy Transfer LP Annual Bonus Plan (incorporated by reference to Exhibit 10.23 to Form 10-K (File No. 1-32740) filed February 22, 2019)
10.15*+	Energy Transfer LP Amended and Restated Annual Bonus Plan
10.16	Registration Rights Agreement, dated November 27, 2006, by and among Energy Transfer Equity, L.P. and certain investors named therein (incorporated by reference to Exhibit 99.1 to Form 8-K (File No. 1-32740) filed November 30, 2006)
10.17	Registration Rights Agreement, dated March 2, 2007, by and among Energy Transfer Equity, L.P. and certain investors named therein (incorporated by reference to Exhibit 99.1 to Form 8-K (File No. 1-32740) filed March 5, 2007)
10.18	Unitholder Rights and Restrictions Agreement, dated as of May 7, 2007, by and among Energy Transfer Equity, L.P., Ray C. Davis, Natural Gas Partners VI, L.P. and Enterprise GP Holdings, L.P. (incorporated by reference to Exhibit 10.45 to Form 8-K (File No. 1-32740) filed May 7, 2007)

167

Index to Financial Statements

Exhibit Number	Description
10.19	Equity Restructuring Agreement, dated as of January 15, 2018, by and among Energy Transfer Equity, L.P., USA Compression Partners, LP and USA Compression GP, LLC. (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-32740) filed January 16, 2018)
10.20	Registration Rights Agreement, dated as of April 2, 2018, by and among Energy Transfer Partners, L.P., Energy Transfer Equity, L.P., USA Compression Partners, LP and USA Compression Holdings, LLC. (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-32740) filed April 3, 2018)
10.21	Note Purchase Agreement, dated as of May 24, 2007, by and among Transwestern Pipeline Company, LLC and the Purchasers parties thereto (incorporated by reference to Exhibit 10.56 to Form 10-Q (File No. 1-11727) filed July 10, 2007)
10.22	Note Purchase Agreement, dated December 9, 2009, by and among Transwestern Pipeline Company, LLC and the Purchasers parties thereto (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-11727) filed December 14, 2009)
10.23	Amended and Restated Credit Agreement, dated as of April 11, 2022, by and among Energy Transfer LP, as borrower, Wells Fargo Bank, National Association., as administrative agent, swingline lender and an LC issuer and the lenders party thereto (incorporated by reference to Exhibit 10.1 of Form 8-K (File No. 1-32740) filed April 12, 2022)
10.24	Guarantee of Collection, dated as of April 30, 2013, by and between Regency Energy Partners LP, PEPL Holdings, LLC and Regency Energy Finance Corp. (incorporated by reference to Exhibit 10.3 to Form 8-K (File No. 1-11727) filed April 30. 2013)
10.25	Cushion Gas Litigation Agreement, dated January 26, 2005, by and among AEP Energy Services Gas Holding Company II, L.L.C. and HPL Storage LP, as Sellers, and La Grange Acquisition, L.P., as Buyer, and AEP Asset Holdings LP, AEP Leaseco LP, Houston Pipe Line Company, LP and HPL Resources Company LP, as Companies (incorporated by reference to Exhibit 10.2 to Form 8-K (File No. 1-11727) filed February 1, 2005)
10.26	Guarantee of Collection, made as of March 26, 2012, by Citrus ETP Finance LLC, to Energy Transfer Partners, L.P. (incorporated by reference to Exhibit 10.1 to Form 8-K (File No. 1-11727) filed March 28, 2012)
10.27	Support Agreement, dated March 26, 2012, by and among PEPL Holdings, LLC, Energy Transfer Partners, L.P., and Citrus ETP Finance LLC (incorporated by reference to Exhibit 10.2 to Form 8-K (File No. 1-11727) filed March 28, 2012)
10.28	Form of Commercial Paper Dealer Agreement between Energy Transfer Partners, L.P., as Issuer, and the Dealer party thereto (incorporated by reference to Exhibit 99.1 to Form 8-K (File No. 1-11727) filed August 22, 2016)
21.1*	List of Subsidiaries
22.1	Issuers and Guarantors of Registered Securities (incorporated by reference to Exhibit 22.1 of Form 10-Q (File No. 1-32740) filed August 5, 2021)
23.1*	Consent of Grant Thornton LLP
31.1*	Certification of Co-Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Co-Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.3*	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**	Certification of Co-Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**	Certification of Co-Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.3**	Certification Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
97.1*	Energy Transfer LP Executive Officer Incentive Compensation Clawback Policy
101*	Interactive data files pursuant to Rule 405 of Regulation S-T formatted in iXBRL (Inline eXtensible Business Reporting Language) in this Form 10-K include: (i) our Consolidated Balance Sheets; (ii) our Consolidated Statements of Operations; (iii) our Consolidated Statements of Comprehensive Income; (iv) our Consolidated Statement of Equity; (v) our Consolidated Statements of Cash Flows; and (vi) the notes to our Consolidated Financial Statements
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

*	Filed herewith.
**	Furnished herewith.
+	Denotes a management contract or compensatory plan or arrangement.

168

Index to Financial Statements

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		ENERGY TRANSFER LP
		By:	LE GP, LLC, its general partner
Date:	February 16, 2024	By:	/s/ A. Troy Sturrock
			A. Troy Sturrock
			Group Senior Vice President, Controller and Principal Accounting Officer (duly authorized to sign on behalf of the registrant)

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated: 

Signature	Title	Date
/s/ Kelcy L. Warren	Executive Chairman	February 16, 2024
Kelcy L. Warren
/s/ Marshall S. McCrea, III	Co-Chief Executive Officer and Director	February 16, 2024
Marshall S. McCrea, III	(Co-Principal Executive Officer)
/s/ Thomas E. Long	Co-Chief Executive Officer and Director	February 16, 2024
Thomas E. Long	(Co-Principal Executive Officer)
/s/ Dylan A. Bramhall	Executive Vice President and Group Chief Financial Officer	February 16, 2024
Dylan A. Bramhall	(Principal Financial Officer)
/s/ A. Troy Sturrock	Group Senior Vice President and Controller	February 16, 2024
A. Troy Sturrock	(Principal Accounting Officer)
/s/ Steven R. Anderson	Director	February 16, 2024
Steven R. Anderson
/s/ Richard D. Brannon	Director	February 16, 2024
Richard D. Brannon
/s/ Michael K. Grimm	Director	February 16, 2024
Michael K. Grimm
/s/ John W. McReynolds	Director	February 16, 2024
John W. McReynolds
/s/ James R. Perry	Director	February 16, 2024
James R. Perry
/s/ Matthew S. Ramsey	Director	February 16, 2024
Matthew S. Ramsey

169

Index to Financial Statements

ENERGY TRANSFER LP AND SUBSIDIARIES

INDEX TO FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm (PCAOB ID Number 248)	F - 2
Consolidated Balance Sheets	F - 4
Consolidated Statements of Operations	F - 6
Consolidated Statements of Comprehensive Income	F - 7
Consolidated Statements of Equity	F - 8
Consolidated Statements of Cash Flows	F - 9
Notes to Consolidated Financial Statements	F - 10
1. Operations and Basis of Presentation	F - 10
2. Estimates, Significant Accounting Policies and Balance Sheet Detail	F - 11
3. Acquisitions, Divestitures and Related Transactions	F - 22
4. Investments in Unconsolidated Affiliates	F - 25
5. Net Income Per Common Unit	F - 26
6. Debt Obligations	F - 28
7. Redeemable Noncontrolling Interests	F - 33
8. Equity	F - 34
9. Equity Incentive Plans	F - 40
10. Income Taxes	F - 42
11. Regulatory Matters, Commitments, Contingencies and Environmental Liabilities	F - 44
12. Revenue	F - 55
13. Lease Accounting	F - 62
14. Derivative Assets and Liabilities	F - 65
15. Retirement Benefits	F - 69
16. Reportable Segments	F - 73

F - 1

Index to Financial Statements

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Board of Directors of LE GP, LLC and

Unitholders of Energy Transfer LP

Opinion on the financial statements

We have audited the accompanying consolidated balance sheets of Energy Transfer LP (a Delaware limited partnership) and subsidiaries (the “Partnership”) as of December 31, 2023 and 2022, the related consolidated statements of operations, comprehensive income, equity, and cash flows for each of the three years in the period ended December 31, 2023, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Partnership as of December 31, 2023 and 2022, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2023, in conformity with accounting principles generally accepted in the United States of America.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the Partnership’s internal control over financial reporting as of December 31, 2023, based on criteria established in the 2013 Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”), and our report dated February 16, 2024 expressed an unqualified opinion.

Basis for opinion

These financial statements are the responsibility of the Partnership’s management. Our responsibility is to express an opinion on the Partnership’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Partnership in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical audit matters

The critical audit matters communicated below are matters arising from the current period audit of the financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

Goodwill Impairment Assessment

As described further in Note 2 to the consolidated financial statements, the Partnership’s consolidated goodwill balance was $4.02 billion as of December 31, 2023. Management evaluates goodwill for impairment annually on October 1st of each year or whenever events or changes in circumstances indicate potential asset impairment has occurred. As of December 31, 2023, there was $368 million of goodwill associated with a reporting unit within the NGL and Refined Products Transportation and Services segment in which we identified the Partnership’s determination of the fair value of the reporting unit as a critical audit matter.

The principal considerations for our determination that the estimation of the fair value of the reporting unit is a critical audit matter are that there are significant judgments required by management when determining the fair value of the reporting unit. In particular, the fair value estimate was sensitive to significant assumptions used to estimate future revenues and cash flows, including revenue growth rates, operating expenses, discount rate, and the inherent uncertainty around future market conditions as well as valuation methodologies applied by the Partnership.

Our audit procedures related to the valuation of the reporting unit within the NGL and Refined Products Transportation and Services segment included the following, among others:

•We tested the effectiveness of controls relating to management’s review of the assumptions used to develop the future cash flows, the discount rate used, and valuation methodologies applied.

F - 2

Index to Financial Statements

•We assessed the reasonableness of management’s forecast of future projected results by comparing such items to industry projections and conditions found in industry reports.

•We tested forecasted revenues and expected future cash flows by comparing forecasted amounts to actual historical results to identify material changes, corroborating the basis for increases in forecasted revenues and expected future cash flows.

•We tested significant operating expenses and cash expenditures by comparing to historical trends and evaluating significant deviations from recent actual amounts.

We utilized our valuation specialists to evaluate:

•The methodologies used and whether they were acceptable for the underlying assets or operations and whether such methodologies were being applied correctly, and

•The appropriateness of the discount rate by developing an independent range of acceptable discount rates and comparing those ranges to the amounts selected and applied by management.

Fair Value of Assets Acquired in the Acquisition of Crestwood Equity Partners LP

As described in Note 3 to the consolidated financial statements, on November 3, 2023, the Partnership completed the acquisition of Crestwood Equity Partners LP (“Crestwood") and the assets acquired and liabilities assumed were required to be recorded at fair value as of the acquisition date. The Partnership used an independent valuation specialist to assist in the preparation of the valuation. The acquired fair value of personal property and customer-relationship intangible assets were valued at $4.46 billion and $1.11 billion, respectively. The excess purchase price over the fair value of the net assets acquired was recorded to goodwill. We identified the fair value determination of the personal property and customer-relationship intangible assets to be a critical audit matter.

The principal considerations for our determination that the estimation of the fair value of the personal property and customer-relationship intangible assets as a critical audit matter are that there are significant judgments required by management when determining the fair value. In particular, the significant judgments were the replacement cost assumptions and methodology used for personal property as well as the estimated long-term cash flows and the discount rate related to the fair value of the customer-relationship intangible assets. This led to a high degree of auditor judgment, subjectivity, and effort in performing procedures along with the involvement of our valuation specialists to assist in performing these procedures and evaluating the audit evidence obtained.

Our audit procedures related to the valuation of personal property and customer-relationship intangible assets included the following, among others:

•We tested the effectiveness of controls relating to management’s review of the valuation methodologies applied, assumptions used to develop the long-term cash flows, and the reconciliation of cash flows prepared by management to the data used in the valuation.

•We assessed the objectivity, experience, and qualifications of management’s independent valuation specialist.

•We tested expected future cash flows used in the valuation of customer-relationship intangible assets by comparing forecasted amounts to actual historical results to identify material changes, corroborating the basis for increases in future cash flows.

•We tested significant capital expenditures projections and obtained evidence of approvals of capital projects.

We utilized our valuation specialists to evaluate:

•The methodologies used to estimate the fair value of personal property and whether they were acceptable for the underlying assets or operations and whether such methodologies were reasonably applied,

•The appropriateness of the replacement cost of personal property, by evaluating whether the replacement cost assigned was reasonable for the underlying assets based upon a reasonable range, and

•The methodology and assumptions used to value the customer-relationship intangible assets, including the discount rate by developing an independent range of acceptable discount rates and comparing those ranges to the amounts selected and applied by management.

/s/ GRANT THORNTON LLP

We have served as the Partnership’s auditor since 2004.

Dallas, Texas

February 16, 2024

F - 3

Index to Financial Statements

ENERGY TRANSFER LP AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(Dollars in millions)

	December 31,
	2023		2022
ASSETS
Current assets:
Cash and cash equivalents	$	161	$	257
Accounts receivable, net	9,047		8,466
Accounts receivable from related companies	101		93
Inventories	2,478		2,461
Income taxes receivable	67		68
Derivative assets	66		10
Other current assets	513		726
Total current assets	12,433		12,081
Property, plant and equipment	114,932		105,996
Accumulated depreciation and depletion	(29,581)		(25,685)
Property, plant and equipment, net	85,351		80,311
Investments in unconsolidated affiliates	3,097		2,893
Lease right-of-use assets, net	826		819
Other non-current assets, net	1,733		1,558
Intangible assets, net	6,239		5,415
Goodwill	4,019		2,566
Total assets	$	113,698	$	105,643

The accompanying notes are an integral part of these consolidated financial statements.

F - 4

Index to Financial Statements

ENERGY TRANSFER LP AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS (continued)

(Dollars in millions)

	December 31,
	2023		2022
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	6,663	$	6,952
Accounts payable to related companies	21		17
Derivative liabilities	8		23
Operating lease current liabilities	56		45
Accrued and other current liabilities	3,521		3,329
Current maturities of long-term debt	1,008		2
Total current liabilities	11,277		10,368
Long-term debt, less current maturities	51,380		48,260
Non-current derivative liabilities	4		23
Non-current operating lease liabilities	778		798
Deferred income taxes	3,931		3,701
Other non-current liabilities	1,611		1,341
Commitments and contingencies
Redeemable noncontrolling interests	778		493
Equity:
Limited Partners:
Preferred Unitholders (113,648,967 and 72,184,780 units authorized, issued and outstanding as of December 31, 2023 and 2022, respectively)	6,459		6,051
Common Unitholders (3,367,525,806 and 3,094,445,367 units authorized, issued and outstanding as of December 31, 2023 and 2022, respectively)	30,197		26,960
General Partner	(2)		(2)
Accumulated other comprehensive income	28		16
Total partners’ capital	36,682		33,025
Noncontrolling interests	7,257		7,634
Total equity	43,939		40,659
Total liabilities and equity	$	113,698	$	105,643

The accompanying notes are an integral part of these consolidated financial statements.

F - 5

Index to Financial Statements

ENERGY TRANSFER LP AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(Dollars in millions, except per unit data)

	Years Ended December 31,
	2023		2022		2021
REVENUES:
Refined product sales	$	23,389	$	26,020	$	17,766
Crude sales	23,492		23,473		15,299
NGL sales	15,957		20,114		15,243
Gathering, transportation and other fees	11,428		10,907		9,229
Natural gas sales	3,259		8,535		9,159
Other	1,061		827		721
Total revenues	78,586		89,876		67,417
COSTS AND EXPENSES:
Cost of products sold	60,541		72,232		50,395
Operating expenses	4,368		4,338		3,574
Depreciation, depletion and amortization	4,385		4,164		3,817
Selling, general and administrative	985		1,018		818
Impairment losses and other	12		386		21
Total costs and expenses	70,291		82,138		58,625
OPERATING INCOME	8,295		7,738		8,792
OTHER INCOME (EXPENSE):
Interest expense, net of interest capitalized	(2,578)		(2,306)		(2,267)
Equity in earnings of unconsolidated affiliates	383		257		246
Gains (losses) on extinguishments of debt	2		—		(38)
Gains on interest rate derivatives	36		293		61
Non-operating litigation-related loss	(627)		—		—
Other, net	86		90		77
INCOME BEFORE INCOME TAX EXPENSE	5,597		6,072		6,871
Income tax expense	303		204		184
NET INCOME	5,294		5,868		6,687
Less: Net income attributable to noncontrolling interests	1,299		1,061		1,167
Less: Net income attributable to redeemable noncontrolling interests	60		51		50
NET INCOME ATTRIBUTABLE TO PARTNERS	3,935		4,756		5,470
General Partner’s interest in net income	3		4		6
Preferred Unitholders’ interest in net income	463		422		285
Common Unitholders’ interest in net income	$	3,469	$	4,330	$	5,179
NET INCOME PER COMMON UNIT:
Basic	$	1.10	$	1.40	$	1.89
Diluted	$	1.09	$	1.40	$	1.89

The accompanying notes are an integral part of these consolidated financial statements.

F - 6

Index to Financial Statements

ENERGY TRANSFER LP AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Dollars in millions)

	Years Ended December 31,
	2023		2022		2021
Net income	$	5,294	$	5,868	$	6,687
Other comprehensive income (loss), net of tax:
Change in value of available-for-sale securities	4		(10)		1
Actuarial gain (loss) relating to pension and other postretirement benefits	13		(12)		12
Foreign currency translation adjustment	(6)		(6)		4
Change in other comprehensive income from unconsolidated affiliates	1		24		3
	12		(4)		20
Comprehensive income	5,306		5,864		6,707
Less: Comprehensive income attributable to noncontrolling interests	1,299		1,055		1,170
Less: Comprehensive income attributable to redeemable noncontrolling interests	60		51		50
Comprehensive income attributable to partners	$	3,947	$	4,758	$	5,487

The accompanying notes are an integral part of these consolidated financial statements.

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ENERGY TRANSFER LP AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF EQUITY

(Dollars in millions)

	Common Unitholders		Preferred Unitholders		General Partner		Accumulated Other Comprehensive Income		Non- controlling Interests		Total
Balance, December 31, 2020	$	18,531	$	—	$	(8)	$	6	$	12,859	$	31,388
Preferred units converted in Rollup Mergers	—		4,768		—		—		(4,768)		—
Distributions to partners	(1,616)		(280)		(2)		—		—		(1,898)
Distributions to noncontrolling interests	—		—		—		—		(1,487)		(1,487)
Common units repurchased	(31)		—		—		—		—		(31)
Units issued	—		889		—		—		—		889
Capital contributions from noncontrolling interests	—		—		—		—		226		226
Enable acquisition	3,117		392		—		—		34		3,543
Other comprehensive income, net of tax	—		—		—		17		3		20
Other, net	50		(3)		—		—		11		58
Net income, excluding amounts attributable to redeemable noncontrolling interests	5,179		285		6		—		1,167		6,637
Balance, December 31, 2021	25,230		6,051		(4)		23		8,045		39,345
Distributions to partners	(2,623)		(422)		(2)		—		—		(3,047)
Distributions to noncontrolling interests	—		—		—		—		(1,547)		(1,547)
Capital contributions from noncontrolling interests	—		—		—		—		405		405
Energy Transfer Canada sale	—		—		—		(9)		(337)		(346)
Other comprehensive income (loss), net of tax	—		—		—		2		(6)		(4)
Other, net	23		—		—		—		13		36
Net income, excluding amounts attributable to redeemable noncontrolling interests	4,330		422		4		—		1,061		5,817
Balance, December 31, 2022	26,960		6,051		(2)		16		7,634		40,659
Distributions to partners	(3,777)		(468)		(3)		—		—		(4,248)
Distributions to noncontrolling interests	—		—		—		—		(1,691)		(1,691)
Capital contributions from noncontrolling interests	—		—		—		—		3		3
Other comprehensive income, net of tax	—		—		—		12		—		12
Lotus Midstream acquisition	574		—		—		—		—		574
Crestwood acquisition	2,953		413		—		—		—		3,366
Other, net	18		—		—		—		12		30
Net income, excluding amounts attributable to redeemable noncontrolling interests	3,469		463		3		—		1,299		5,234
Balance, December 31, 2023	$	30,197	$	6,459	$	(2)	$	28	$	7,257	$	43,939

The accompanying notes are an integral part of these consolidated financial statements.

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ENERGY TRANSFER LP AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Dollars in millions)

	Years Ended December 31,
	2023		2022		2021
OPERATING ACTIVITIES:
Net income	$	5,294	$	5,868	$	6,687
Reconciliation of net income to net cash provided by operating activities:
Depreciation, depletion and amortization	4,385		4,164		3,817
Deferred income taxes	203		187		141
Inventory valuation adjustments	114		(5)		(190)
Non-cash compensation expense	130		115		111
Impairment losses	12		386		21
(Gains) losses on extinguishments of debt	(2)		—		38
Distributions on unvested awards	(68)		(73)		(47)
Equity in earnings of unconsolidated affiliates	(383)		(257)		(246)
Distributions from unconsolidated affiliates	353		232		212
Other non-cash	(32)		(64)		103
Net change in operating assets and liabilities, net of effects of acquisitions	(451)		(1,502)		515
Net cash provided by operating activities	9,555		9,051		11,162
INVESTING ACTIVITIES:
Cash paid for Crestwood acquisition, net of cash received	(288)		—		—
Cash paid for Lotus Midstream acquisition, net of cash received	(930)		—		—
Cash paid for other acquisitions, net of cash received	(111)		(1,141)		(205)
Capital expenditures, excluding allowance for equity funds used during construction	(3,134)		(3,381)		(2,822)
Contributions in aid of construction costs	40		56		43
Contributions to unconsolidated affiliates	(6)		—		(4)
Distributions from unconsolidated affiliates in excess of cumulative earnings	63		62		167
Proceeds from sale of Energy Transfer Canada interest	—		302		—
Proceeds from sales of other assets	38		78		45
Other	3		2		1
Net cash used in investing activities	(4,325)		(4,022)		(2,775)
FINANCING ACTIVITIES:
Proceeds from borrowings	32,130		28,838		21,267
Repayments of debt	(31,416)		(29,681)		(27,318)
Preferred units issued for cash	—		—		889
Capital contributions from noncontrolling interests	3		405		226
Distributions to partners	(4,248)		(3,047)		(1,898)
Distributions to noncontrolling interests	(1,691)		(1,547)		(1,487)
Distributions to redeemable noncontrolling interests	(59)		(49)		(49)
Common units repurchased under buyback program	—		—		(31)
Debt issuance costs	(45)		(27)		(14)
Other	—		—		(3)
Net cash used in financing activities	(5,326)		(5,108)		(8,418)
Decrease in cash and cash equivalents	(96)		(79)		(31)
Cash and cash equivalents, beginning of period	257		336		367
Cash and cash equivalents, end of period	$	161	$	257	$	336

The accompanying notes are an integral part of these consolidated financial statements.

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ENERGY TRANSFER LP AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Tabular dollar and unit amounts, except per unit data, are in millions)

1.OPERATIONS AND BASIS OF PRESENTATION:

The consolidated financial statements presented herein contain the results of Energy Transfer LP and its subsidiaries (the “Partnership,” “we,” “us,” “our” or “Energy Transfer”).

On April 1, 2021, Energy Transfer, ETO and certain of ETO’s subsidiaries consummated several internal reorganization transactions (the “Rollup Mergers”). In connection with the Rollup Mergers, ETO merged with and into Energy Transfer, with Energy Transfer surviving. The impacts of the Rollup Mergers also included the following:

•All of ETO’s long-term debt was assumed by Energy Transfer.

•Each issued and outstanding ETO preferred unit was converted into the right to receive one newly created Energy Transfer preferred unit. A description of the Energy Transfer Preferred Units is included in Note 8.

•Each of ETO’s issued and outstanding Class K, Class L, Class M and Class N units were converted into an aggregate 675,625,000 newly created Class B Units representing limited partner interests in Energy Transfer. All of the Class B Units are held by ETP Holdco, a wholly owned subsidiary of Energy Transfer.

Our consolidated financial statements reflect the following reportable segments:

•intrastate transportation and storage;

•interstate transportation and storage;

•midstream;

•NGL and refined products transportation and services;

•crude oil transportation and services;

•investment in Sunoco LP;

•investment in USAC; and

•all other.

The Partnership owns and operates intrastate natural gas pipeline systems and storage facilities that are engaged in the business of purchasing, gathering, transporting, processing and marketing natural gas and NGLs in the states of Texas, Oklahoma and Louisiana.

The Partnership also owns and operates interstate pipelines, either directly or through equity method investments, that transport natural gas to various markets in the United States.

The Partnership is also engaged in midstream services, focusing on providing gathering, processing, compression, treating and transportation of natural gas in some of the most prolific natural gas producing regions in the United States, including the Permian, Anadarko, Arkoma, Hugoton, Powder River and Williston basins, as well as the Eagle Ford, Haynesville, Barnett, Marcellus and Utica shales.

The Partnership’s operations also include crude oil, NGL and refined products transportation, terminalling services, acquisition and marketing activities, as well as NGL storage, fractionation and LNG regasification.

The Partnership owns a controlling interest in Sunoco LP which is engaged in the wholesale distribution of motor fuels to convenience stores, independent dealers, commercial customers and distributors, as well as the retail sale of motor fuels and merchandise through Sunoco LP operated convenience stores and retail fuel sites. As of December 31, 2023, our interest in Sunoco LP consisted of 100% of the general partner and IDRs, as well as 28.5 million common units.

The Partnership owns a controlling interest in USAC which provides compression services to producers, processors, gatherers and transporters of natural gas and crude oil. As of December 31, 2023, our interest in USAC consisted of 100% of the general partner and 46.1 million common units.

Basis of Presentation. The consolidated financial statements of Energy Transfer LP presented herein have been prepared in accordance with GAAP and pursuant to the rules and regulations of the SEC. We consolidate all majority-owned

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subsidiaries and limited partnerships, which we control as the general partner or owner of the general partner. All significant intercompany transactions and accounts are eliminated in consolidation.

The consolidated financial statements of Energy Transfer presented herein include the results of operations of our controlled subsidiaries, including Sunoco LP and USAC.

2.ESTIMATES, SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL:

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the accrual for and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.

The natural gas industry conducts its business by processing actual transactions at the end of the month following the month of delivery. Consequently, the most current month’s financial results for the midstream, NGL and intrastate transportation and storage operations are estimated using volume estimates and market prices. Any differences between estimated results and actual results are recognized in the following month’s financial statements. Management believes that the estimated operating results represent the actual results in all material respects.

Some of the other significant estimates made by management include, but are not limited to, the timing of certain forecasted transactions that are hedged, the fair value of derivative instruments, useful lives for depreciation and amortization, purchase accounting allocations and subsequent realizability of intangible assets, fair value measurements used in the goodwill impairment test, market value of inventory, assets and liabilities resulting from the regulated ratemaking process, contingency reserves and environmental reserves. Actual results could differ from those estimates.

Regulatory Accounting – Regulatory Assets and Liabilities

Our interstate transportation and storage segment is subject to regulation by certain state and federal authorities, and certain subsidiaries in that segment have accounting policies that conform to the accounting requirements and ratemaking practices of the regulatory authorities, in accordance with Accounting Standards Codification (“ASC”) Topic 980. The application of these accounting policies allows certain of our regulated entities to defer expenses and revenues on the balance sheet as regulatory assets and liabilities when it is probable that those expenses and revenues will be allowed in the ratemaking process in a period different from the period in which they would have been reflected in the consolidated statement of operations by an unregulated company. These deferred assets and liabilities will be reported in results of operations in the period in which the same amounts are included in rates and recovered from or refunded to customers. Management’s assessment of the probability of recovery or pass through of regulatory assets and liabilities will require judgment and interpretation of laws and regulatory commission orders. If, for any reason, we cease to meet the criteria for application of regulatory accounting treatment under ASC Topic 980 for these entities, the regulatory assets and liabilities related to those portions ceasing to meet such criteria would be eliminated from the consolidated balance sheet for the period in which the discontinuance of regulatory accounting treatment occurs.

Although Panhandle’s natural gas transmission systems and storage operations are subject to the jurisdiction of the FERC in accordance with the NGA and NGPA, Panhandle does not currently apply ASC Topic 980 in its GAAP-basis consolidated financial statements, primarily due to the level of discounting from tariff rates and its inability to recover specific costs.

Cash, Cash Equivalents and Supplemental Cash Flow Information

Cash and cash equivalents include all cash on hand, demand deposits and investments with original maturities of three months or less. We consider cash equivalents to include short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value.

We place our cash deposits and temporary cash investments with high credit quality financial institutions. At times, our cash and cash equivalents may be uninsured or in deposit accounts that exceed the Federal Deposit Insurance Corporation insurance limit.

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Index to Financial Statements

The net change in operating assets and liabilities, net of effects of acquisitions, included in cash flows from operating activities is comprised as follows:

	Years Ended December 31,
	2023		2022		2021
Accounts receivable	$	(171)	$	(863)	$	(3,356)
Accounts receivable from related companies	(5)		23		38
Inventories	35		(361)		(19)
Other current assets	221		(326)		(216)
Other non-current assets, net	(125)		146		1
Accounts payable	(501)		25		3,834
Accounts payable to related companies	(38)		6		(34)
Accrued and other current liabilities	209		131		238
Other non-current liabilities	(33)		66		117
Derivative assets and liabilities, net	(43)		(349)		(88)
Net change in operating assets and liabilities, net of effects of acquisitions	$	(451)	$	(1,502)	$	515

Non-cash investing and financing activities and supplemental cash flow information are as follows:

	Years Ended December 31,
	2023		2022		2021
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures	$	442	$	575	$	464
Units issued in connection with the Enable acquisition (1)	—		—		3,509
Units issued in connection with the Crestwood acquisition (1)	3,366		—		—
Units issued in connection with the Lotus Midstream acquisition (1)	574		—		—
Lease assets obtained in exchange for new lease liabilities	23		42		18
Acquisition of interest in unconsolidated affiliate	—		—		49
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest, net of interest capitalized	$	2,298	$	2,167	$	2,188
Cash paid for income taxes (net of refunds)	103		54		41

(1)See Note 3 for additional information.

Accounts Receivable, net

Our operations deal with a variety of counterparties across the energy sector. Internal credit ratings and credit limits are assigned to all counterparties and limits are monitored against credit exposure. Letters of credit or prepayments may be required from those counterparties that are not investment grade depending on the internal credit rating and level of commercial activity with the counterparty.

We have a diverse portfolio of customers; however, because of the midstream and transportation services we provide, many of our customers are engaged in the exploration and production sector. We manage trade credit risk to mitigate credit losses and exposure to uncollectible trade receivables. Prospective and existing customers are reviewed regularly for creditworthiness to manage credit risk within approved tolerances. Customers that do not meet minimum credit standards are required to provide additional credit support in the form of a letter of credit, prepayment, or other forms of security. We establish an allowance for credit losses on trade receivables based on the expected ultimate recovery of these receivables and consider many factors including historical customer collection experience, general and specific economic trends, and known specific issues related to individual customers, sectors, and transactions that might impact collectability. Changes in the allowance are recorded as a component of operating expenses; reductions in the allowance are recorded when receivables are subsequently collected or written-off. Past due receivable balances are written-off when our efforts have been unsuccessful in collecting the amount due.

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Inventories

Inventories consist principally of natural gas held in storage, NGLs and refined products, crude oil and spare parts, all of which are valued at the lower of cost or net realizable value utilizing the weighted-average cost method.

Sunoco LP’s fuel inventories are stated at the lower of cost or market using the last-in-first-out (“LIFO”) method. As of December 31, 2023 and 2022, Sunoco LP’s fuel inventory balance included lower of cost or market reserves of $230 million and $116 million, respectively. For the years ended December 31, 2023, 2022 and 2021, the Partnership’s consolidated statements of operations and comprehensive income did not include any material amounts of income from the liquidation of Sunoco LP’s LIFO fuel inventory. For the years ended December 31, 2023, 2022 and 2021, the Partnership’s cost of products sold included an unfavorable inventory adjustment of $114 million, a favorable inventory adjustment of $5 million and a favorable inventory adjustment of $190 million, respectively, related to Sunoco LP’s LIFO inventory.

The Partnership’s inventories consisted of the following:

	December 31,
	2023		2022
Natural gas, NGLs and refined products	$	1,658	$	1,802
Crude oil	258		246
Spare parts and other	562		413
Total inventories	$	2,478	$	2,461

We utilize commodity derivatives to manage price volatility associated with our natural gas inventory. Changes in fair value of designated hedged inventory are recorded in inventory on our consolidated balance sheets and cost of products sold in our consolidated statements of operations.

Other Current Assets

Other current assets consisted of the following:

	December 31,
	2023		2022
Deposits paid to vendors	$	205	$	334
Prepaid expenses and other	308		392
Total other current assets	$	513	$	726

Property, Plant and Equipment, net

Property, plant and equipment is stated at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful or FERC-mandated lives of the assets, if applicable. Expenditures for maintenance and repairs that do not add capacity or extend the useful life are expensed as incurred. Expenditures to refurbish assets that either extend the useful lives of the asset or prevent environmental contamination are capitalized and depreciated over the remaining useful life of the asset. Additionally, we capitalize certain costs directly related to the construction of assets including internal labor costs, interest and engineering costs. Upon disposition or retirement of pipeline components or natural gas plant components, any gain or loss is recorded to accumulated depreciation. When entire pipeline systems, gas plants or other property and equipment is retired or sold, any gain or loss is included in our consolidated statements of operations.

Property, plant and equipment is reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. If such a review should indicate that the carrying amount of long-lived assets is not recoverable, we reduce the carrying amount of such assets to fair value.

For the years ended December 31 2023, 2022 and 2021, USAC recognized fixed asset impairments of $12 million, $1 million and $5 million, respectively, related to its compression equipment as a result of its evaluation of the future deployment of idle fleet.

Capitalized interest is included for pipeline construction projects, except for certain interstate projects for which an allowance for funds used during construction (“AFUDC”) is accrued. Interest is capitalized based on the current borrowing rate of our revolving credit facilities when the related costs are incurred. AFUDC is calculated under guidelines prescribed

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by the FERC and capitalized as part of the cost of utility plant for interstate projects. It represents the cost of servicing the capital invested in construction work-in-process. AFUDC is segregated into two component parts – borrowed funds and equity funds.

Components and useful lives of property, plant and equipment were as follows:

	December 31,
	2023		2022
Land and improvements	$	1,529	$	1,427
Buildings and improvements (1 to 45 years)	3,848		3,546
Pipelines and equipment (5 to 83 years)	88,195		82,353
Product storage and related facilities (2 to 83 years)	7,978		7,274
Right of way (20 to 83 years)	7,379		6,252
Other (1 to 48 years)	3,688		2,739
Construction work-in-process	2,315		2,405
	114,932		105,996
Less – Accumulated depreciation and depletion	(29,581)		(25,685)
Property, plant and equipment, net	$	85,351	$	80,311

We recognized the following amounts for the periods presented:

	Years Ended December 31,
	2023		2022		2021
Depreciation, depletion and amortization expense	$	3,986	$	3,774	$	3,465
Capitalized interest	77		112		135

Investments in Unconsolidated Affiliates

We own interests in a number of related businesses that are accounted for by the equity method. In general, we use the equity method of accounting for an investment for which we exercise significant influence over, but do not control, the investee’s operating and financial policies. An impairment of an investment in an unconsolidated affiliate is recognized when circumstances indicate that a decline in the investment value is other than temporary.

Other Non-Current Assets, net

Other non-current assets, net are stated at cost less accumulated amortization. Other non-current assets, net consisted of the following:

	December 31,
	2023		2022
Crude pipeline linefill and tank bottoms	$	598	$	489
Regulatory assets	48		55
Pension assets	145		129
Deferred charges	148		140
Restricted funds	121		121
Other	673		624
Total other non-current assets, net	$	1,733	$	1,558

Restricted funds include an immaterial amount of restricted cash primarily held in our wholly owned captive insurance companies.

Intangible Assets, net

Intangible assets are stated at cost, net of amortization computed on the straight-line method. The Partnership removes the gross carrying amount and the related accumulated amortization for any fully amortized intangibles in the year they are fully amortized.

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Index to Financial Statements

Components and useful lives of intangible assets were as follows: 

	December 31, 2023				December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizable intangible assets:
Customer relationships, contracts and agreements (3 to 46 years)	$	9,098	$	(3,196)	$	7,884	$	(2,807)
Patents (10 years)	48		(48)		48		(48)
Trade names (20 years)	66		(44)		66		(41)
Other (5 to 20 years)	12		(11)		12		(13)
Total amortizable intangible assets	9,224		(3,299)		8,010		(2,909)
Non-amortizable intangible assets:
Trademarks	302		—		302		—
Other	12		—		12		—
Total non-amortizable intangible assets	314		—		314		—
Total intangible assets	$	9,538	$	(3,299)	$	8,324	$	(2,909)

Aggregate amortization expense of intangible assets was as follows:

	Years Ended December 31,
	2023		2022		2021
Reported in depreciation, depletion and amortization expense	$	399	$	390	$	352

Estimated aggregate amortization of intangible assets for the next five years is as follows:

Years Ending December 31:
2024	$	434
2025	423
2026	417
2027	400
2028	397

We review amortizable intangible assets for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. If such a review should indicate that the carrying amount of amortizable intangible assets is not recoverable, we reduce the carrying amount of such assets to fair value. We review non-amortizable intangible assets for impairment annually, or more frequently if circumstances dictate.

Goodwill

Goodwill is tested for impairment annually or more frequently if circumstances indicate that goodwill might be impaired. The annual impairment test was performed during the fourth quarter.

Changes in the carrying amount of goodwill were as follows:

	Intrastate Transportation and Storage		Interstate Transportation and Storage		Midstream		NGL and Refined Products Transportation and Services		Crude Oil Transportation and Services		Investment in Sunoco LP		Investment in USAC		All Other		Total
Balance, December 31, 2021	$	—	$	—	$	—	$	693	$	190	$	1,568	$	—	$	82	$	2,533
Acquired	—		—		—		—		—		33		—		—		33
Balance, December 31, 2022	—		—		—		693		190		1,601		—		82		2,566
Acquired	—		—		601		191		663		—		—		—		1,455
Other	—		—		—		—		—		(2)		—		—		(2)
Balance, December 31, 2023	$	—	$	—	$	601	$	884	$	853	$	1,599	$	—	$	82	$	4,019

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Index to Financial Statements

Goodwill is recorded at the acquisition date based on a preliminary purchase price allocation and generally may be adjusted when the purchase price allocation is finalized. During the fourth quarter of 2023, $1.46 billion of goodwill was recorded in conjunction with the acquisition of Crestwood, which is not expected to be deductible for tax purposes. In 2022, Sunoco LP recorded $33 million of goodwill in conjunction with its acquisitions.

The Partnership determines the fair value of our reporting units using the discounted cash flow method, the guideline company method, or a weighted combination of the discounted cash flow method and the guideline company method. Determining the fair value of a reporting unit requires judgment and the use of significant estimates and assumptions. Such estimates and assumptions include revenue growth rates, operating margins, weighted average costs of capital and future market conditions, among others. The Partnership believes the estimates and assumptions used in our impairment assessments are reasonable and based on available market information, but variations in any of the assumptions could result in materially different calculations of fair value and determinations of whether or not an impairment is indicated. Under the discounted cash flow method, the Partnership determines fair value based on estimated future cash flows of each reporting unit including estimates for capital expenditures, discounted to present value using the risk-adjusted industry rate, which reflect the overall level of inherent risk of the reporting unit. Cash flow projections are derived from one year budgeted amounts and five year operating forecasts plus an estimate of later period cash flows, all of which are evaluated by management. Subsequent period cash flows are developed for each reporting unit using growth rates that management believes are reasonably likely to occur. Under the guideline company method, the Partnership determines the estimated fair value of each of our reporting units by applying valuation multiples of comparable publicly-traded companies to each reporting unit’s projected EBITDA and then averaging that estimate with similar historical calculations using a three year average. In addition, the Partnership estimates a reasonable control premium representing the incremental value that accrues to the majority owner from the opportunity to dictate the strategic and operational actions of the business. The fair value estimates used in the long-lived asset and goodwill tests were primarily based on Level 3 inputs of the fair value hierarchy.

Management does not believe that any of the goodwill balances in its reporting units is currently at significant risk of impairment; however, of the $4.02 billion of goodwill on the Partnership’s consolidated balance sheet as of December 31, 2023, approximately $368 million is recorded in reporting units for which the estimated fair value exceeded the carrying value by approximately 20% or less in the most recent quantitative test.

Asset Retirement Obligations

We have determined that we are obligated by contractual or regulatory requirements to remove facilities or perform other remediation upon retirement of certain assets. The fair value of any ARO is determined based on estimates and assumptions related to retirement costs, which the Partnership bases on historical retirement costs, future inflation rates and credit-adjusted risk-free interest rates. These fair value assessments are considered to be Level 3 measurements, as they are based on both observable and unobservable inputs. Changes in the liability are recorded for the passage of time (accretion) or for revisions to cash flows originally estimated to settle the ARO.

An ARO is required to be recorded when a legal obligation to retire an asset exists and such obligation can be reasonably estimated. We will record an ARO in the periods in which management can reasonably estimate the settlement dates.

As of December 31, 2023 and 2022, other non-current liabilities in the Partnership’s consolidated balance sheets included AROs of $410 million and $362 million, respectively. For the years ended December 31, 2023, 2022 and 2021 aggregate accretion expense related to AROs was $10 million, $4 million and $12 million, respectively.

Except for the AROs discussed above, management was not able to reasonably measure the fair value of AROs as of December 31, 2023 and 2022, in most cases because the settlement dates were indeterminable. Although a number of onshore assets in our systems are subject to agreements or regulations that give rise to an ARO upon discontinued use of these assets, AROs were not recorded because these assets have an indeterminate removal or abandonment date given the expected continued use of the assets with proper maintenance or replacement. Our subsidiaries also have legal obligations for several other assets at previously owned refineries, pipelines and terminals, for which it is not possible to estimate when the obligations will be settled. Consequently, the retirement obligations for these assets cannot be measured at this time. At the end of the useful life of these underlying assets, our subsidiaries are legally or contractually required to abandon in place or remove the asset. We believe we may have additional AROs related to pipeline assets and storage tanks, for which it is not possible to estimate whether or when the AROs will be settled. Consequently, these AROs cannot be measured at this time. Sunoco LP also has AROs related to the estimated future cost to remove underground storage tanks.

Individual component assets have been and will continue to be replaced, but the pipeline and the natural gas gathering and processing systems will continue in operation as long as supply and demand for natural gas exists. Based on the widespread use of natural gas in industrial and power generation activities, management expects supply and demand to exist for the

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Index to Financial Statements

foreseeable future. We have in place a rigorous repair and maintenance program that keeps the pipelines and the natural gas gathering and processing systems in good working order. Therefore, although some of the individual assets may be replaced, the pipelines and the natural gas gathering and processing systems themselves will remain intact indefinitely.

As of December 31, 2023 and 2022, other non-current assets on the Partnership’s consolidated balance sheets included $31 million and $27 million, respectively, of funds that were legally restricted for the purpose of settling AROs.

Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following:

	December 31,
	2023		2022
Interest payable	$	637	$	559
Customer advances and deposits	240		222
Accrued capital expenditures	442		575
Accrued wages and benefits	406		376
Taxes payable other than income taxes	646		519
Exchanges payable	163		224
Deferred revenue	312		268
Other	675		586
Total accrued and other current liabilities	$	3,521	$	3,329

In certain circumstances, customer advances and deposits are received from our customers as prepayments for natural gas deliveries in the following month. Prepayments and security deposits may be required when customers exceed their credit limits or do not qualify for open credit.

Redeemable Noncontrolling Interests

Our redeemable noncontrolling interests relate to certain preferred unitholders of our consolidated subsidiaries that have the option to convert their preferred units to such subsidiary’s common units at the election of the holders and the noncontrolling interest holders in our consolidated subsidiaries that have the option to sell their interests to us. In accordance with applicable accounting guidance, the noncontrolling interest is excluded from total equity and reflected as redeemable noncontrolling interests on our consolidated balance sheets. See Note 7 for further information.

Environmental Remediation

We accrue environmental remediation costs for work at identified sites where an assessment has indicated that cleanup costs are probable and reasonably estimable. Such accruals are undiscounted and are based on currently available information, estimated timing of remedial actions and related inflation assumptions, existing technology and presently enacted laws and regulations. If a range of probable environmental cleanup costs exists for an identified site, the minimum of the range is accrued unless some other point in the range is more likely in which case the most likely amount in the range is accrued.

Fair Value of Financial Instruments

The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable approximate their fair value.

We have commodity derivatives and interest rate derivatives that are accounted for as assets and liabilities at fair value in our consolidated balance sheets. We determine the fair value of our assets and liabilities subject to fair value measurement by using the highest possible “level” of inputs. Level 1 inputs are observable quotes in an active market for identical assets and liabilities. We consider the valuation of marketable securities and commodity derivatives transacted through a clearing broker with a published price from the appropriate exchange as a Level 1 valuation. Level 2 inputs are inputs observable for similar assets and liabilities. We consider OTC commodity derivatives entered into directly with third parties as a Level 2 valuation since the values of these derivatives are quoted on an exchange for similar transactions. Additionally, we consider our options transacted through our clearing broker as having Level 2 inputs due to the level of activity of these contracts on the exchange in which they trade. We consider the valuation of our interest rate derivatives as Level 2 as the primary input, the LIBOR or SOFR curve, is based on quotes from an active exchange of futures for the same period as the

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Index to Financial Statements

future interest swap settlements. Level 3 inputs are unobservable. During the year ended December 31, 2023, no transfers were made between any levels within the fair value hierarchy.

The following tables summarize the fair value of our financial assets and liabilities measured and recorded at fair value on a recurring basis as of December 31, 2023 and 2022 based on inputs used to derive their fair values:

	Fair Value Total		Fair Value Measurements at December 31, 2023
			Level 1		Level 2
Assets:
Interest rate derivatives	$	6	$	—	$	6
Commodity derivatives:
Natural Gas:
Basis Swaps FERC/NYMEX	24		24		—
Swing Swaps IFERC	20		20		—
Fixed Swaps/Futures	77		77		—
Forward Physical Contracts	8		—		8
Power:
Forwards	57		57		—
Futures	8		8		—
NGLs – Forwards/Swaps	336		336		—
Refined Products – Futures	35		35		—
Crude – Forwards/Swaps	45		45		—
Total commodity derivatives	610		602		8
Other non-current assets	31		20		11
Total assets	$	647	$	622	$	25
Liabilities:
Interest rate derivatives	$	(4)	$	—	$	(4)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	(3)		(3)		—
Swing Swaps IFERC	(2)		(2)		—
Fixed Swaps/Futures	(16)		(16)		—
Options – Puts	(2)		(2)		—
Power:
Forwards	(56)		(56)		—
Futures	(8)		(8)		—
NGL/Refined Products Option - Puts	(1)		(1)		—
NGL/Refined Products Option - Calls	(1)		(1)		—
NGLs – Forwards/Swaps	(316)		(316)		—
Refined Products – Futures	(18)		(18)		—
Crude – Forwards/Swaps	(37)		(37)		—
Total commodity derivatives	(460)		(460)		—
Total liabilities	$	(464)	$	(460)	$	(4)

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Index to Financial Statements

	Fair Value Total		Fair Value Measurements at December 31, 2022
			Level 1		Level 2
Assets:
Interest rate derivatives	$	—	$	—	$	—
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	60		60		—
Swing Swaps IFERC	75		75		—
Fixed Swaps/Futures	113		113		—
Forward Physical Contracts	10		—		10
Power:
Forwards	52		—		52
Futures	3		3		—
NGLs – Forwards/Swaps	317		317		—
Refined Products – Futures	20		20		—
Crude - Forwards/Swaps	38		38		—
Total commodity derivatives	688		626		62
Other non-current assets	27		18		9
Total assets	$	715	$	644	$	71
Liabilities:
Interest rate derivatives	$	(23)	$	—	$	(23)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	(25)		(25)
Swing Swaps IFERC	(12)		(12)		—
Fixed Swaps/Futures	(4)		(4)		—
Forward Physical Contracts	(2)		—		(2)
Power:
Forwards	(51)				(51)
Futures	(3)		(3)		—
NGLs – Forwards/Swaps	(358)		(358)		—
Refined Products – Futures	(59)		(59)		—
Crude - Forwards/Swaps	(12)		(12)		—
Total commodity derivatives	(526)		(473)		(53)
Total liabilities	$	(549)	$	(473)	$	(76)

Based on the estimated borrowing rates currently available to us and our subsidiaries for loans with similar terms and average maturities, the aggregate fair value and carrying amount of our debt obligations as of December 31, 2023 was $51.93 billion and $52.39 billion, respectively. As of December 31, 2022, the aggregate fair value and carrying amount of our debt obligations was $45.42 billion and $48.26 billion, respectively. The fair value of our consolidated debt obligations is a Level 2 valuation based on the observable inputs used for similar liabilities.

Contributions in Aid of Construction Costs

On certain of our capital projects, third parties are obligated to reimburse us for all or a portion of project expenditures. The majority of such arrangements are associated with pipeline construction and production well tie-ins. Contributions in aid of construction costs (“CIAC”) are netted against our project costs as they are received.

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Index to Financial Statements

Shipping and Handling Costs

Shipping and handling costs are included in cost of products sold, except for shipping and handling costs related to fuel consumed for compression and treating which are included in operating expenses.

Costs and Expenses

Cost of products sold include actual cost of fuel sold, adjusted for the effects of our hedging and other commodity derivative activities, and the cost of appliances, parts and fittings. Operating expenses include all costs incurred to provide products to customers, including compensation for operations personnel, insurance costs, vehicle maintenance, advertising costs, purchasing costs and plant operations. Selling, general and administrative expenses include all partnership related expenses and compensation for executive, partnership and administrative personnel.

We record the collection of taxes to be remitted to government authorities on a net basis, except for consumer excise taxes collected by Sunoco LP on sales of refined products and merchandise which are included in both revenues and costs and expenses in the consolidated statements of operations, with no effect on net income. For the years ended December 31, 2023, 2022 and 2021, excise taxes collected by Sunoco LP were $274 million, $285 million and $332 million, respectively.

Issuances of Subsidiary Units

We record changes in our ownership interest of our subsidiaries as equity transactions, with no gain or loss recognized in consolidated net income or comprehensive income. For example, upon our subsidiary’s issuance of common units in a public offering, we record any difference between the amount of consideration received or paid and the amount by which the noncontrolling interests are adjusted as a change in partners’ capital.

Related Party Transactions

The Partnership regularly enters into related party transactions with several of its unconsolidated affiliates. In addition to commercial transactions, these transactions include the provision of certain management services and leases of certain assets. While the Partnership believes that such related party transactions generally reflect market rates, the pricing under such agreements may not be comparable to similar transactions with unaffiliated third parties. For the years ended December 31, 2023, 2022 and 2021, the Partnership’s consolidated income statements reflect revenues from related parties of $626 million, $391 million and $410 million, respectively.

Income Taxes

Energy Transfer is a publicly traded limited partnership and is not taxable for federal and most state income tax purposes. As a result, our earnings or losses, to the extent not included in a taxable subsidiary, for federal and most state purposes are included in the tax returns of the individual partners. Net earnings for financial statement purposes may differ significantly from taxable income reportable to Unitholders as a result of differences between the tax basis and financial reporting basis of assets and liabilities, in addition to the allocation requirements related to taxable income under our Partnership Agreement. We do not have access to information regarding each partner’s individual tax basis in our limited partner interests.

As a publicly traded limited partnership, we are subject to a statutory requirement that our “qualifying income” (as defined by the Internal Revenue Code, related Treasury Regulations, and IRS pronouncements) exceed 90% of our total gross income, determined on a calendar year basis. If our qualifying income does not meet this statutory requirement, Energy Transfer would be taxed as a corporation for federal and state income tax purposes. For the years ended December 31, 2023, 2022 and 2021, our qualifying income met the statutory requirement.

The Partnership conducts certain activities through corporate subsidiaries which are subject to federal, state and local, and foreign income taxes. These corporate subsidiaries include ETP Holdco, Sunoco Retail LLC, and Aloha, among others. The Partnership and its corporate subsidiaries account for income taxes under the asset and liability method.

Under this method, deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured using enacted tax rates in effect for the year in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rate is recognized in earnings in the period that includes the enactment date. Valuation allowances are established when necessary to reduce deferred tax assets to the amounts more likely than not to be realized.

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Index to Financial Statements

The determination of the provision for income taxes requires significant judgment, use of estimates, and the interpretation and application of complex tax laws. Significant judgment is required in assessing the timing and amounts of deductible and taxable items and the probability of sustaining uncertain tax positions. The benefits of uncertain tax positions are recorded in our consolidated financial statements only after determining a more-likely-than-not probability that the uncertain tax positions will withstand challenge, if any, from taxing authorities. When facts and circumstances change, we reassess these probabilities and record any changes through the provision for income taxes.

Accounting for Derivative Instruments and Hedging Activities

For qualifying hedges, we formally document, designate and assess the effectiveness of transactions that receive hedge accounting treatment and the gains and losses offset related results on the hedged item in the statement of operations. The market prices used to value our financial derivatives and related transactions have been determined using independent third-party prices, readily available market information, broker quotes and appropriate valuation techniques.

At inception of a hedge, we formally document the relationship between the hedging instrument and the hedged item, the risk management objectives, and the methods used for assessing and testing effectiveness and how any ineffectiveness will be measured and recorded. We also assess, both at the inception of the hedge and on a quarterly basis, whether the derivatives that are used in our hedging transactions are highly effective in offsetting changes in cash flows. If we determine that a derivative is no longer highly effective as a hedge, we discontinue hedge accounting prospectively by including changes in the fair value of the derivative in net income for the period.

If we designate a commodity hedging relationship as a fair value hedge, we record the changes in fair value of the hedged asset or liability in cost of products sold in our consolidated statements of operations. This amount is offset by the changes in fair value of the related hedging instrument. Any ineffective portion or amount excluded from the assessment of hedge ineffectiveness is also included in the cost of products sold in the consolidated statements of operations.

Cash flows from derivatives accounted for as cash flow hedges are reported as cash flows from operating activities, in the same category as the cash flows from the items being hedged.

If we designate a derivative financial instrument as a cash flow hedge and it qualifies for hedge accounting, the change in the fair value is deferred in AOCI until the underlying hedged transaction occurs. Any ineffective portion of a cash flow hedge’s change in fair value is recognized each period in earnings. Gains and losses deferred in AOCI related to cash flow hedges remain in AOCI until the underlying physical transaction occurs, unless it is probable that the forecasted transaction will not occur by the end of the originally specified time period or within an additional two-month period of time thereafter. For financial derivative instruments that do not qualify for hedge accounting, the change in fair value is recorded in cost of products sold in the consolidated statements of operations.

We manage a portion of our interest rate exposures by utilizing interest rate swaps and similar instruments. Certain of our interest rate derivatives are accounted for as either cash flow hedges or fair value hedges. For interest rate derivatives accounted for as either cash flow or fair value hedges, we report realized gains and losses and ineffectiveness portions of those hedges in interest expense. For interest rate derivatives not designated as hedges for accounting purposes, we report realized and unrealized gains and losses on those derivatives in “Gains (losses) on interest rate derivatives” in the consolidated statements of operations.

Equity Incentive Compensation

For awards of restricted units, we recognize compensation expense over the vesting period based on the grant-date fair value, which is determined based on the market price of the underlying common units on the grant date. For awards of cash restricted units, we remeasure the fair value of the award at the end of each reporting period based on the market price of the underlying common units as of the reporting date, and the fair value is recorded in other non-current liabilities on our consolidated balance sheets.

Pensions and Other Postretirement Benefit Plans

The Partnership recognizes the overfunded or underfunded status of defined benefit pension and other postretirement plans, measured as the difference between the fair value of the plan assets and the benefit obligation (the projected benefit obligation for pension plans and the accumulated postretirement benefit obligation for other postretirement plans). Each overfunded plan is recognized as an asset and each underfunded plan is recognized as a liability. Changes in the funded status of the plan are recorded in the year in which the change occurs within AOCI in equity or, for entities applying regulatory accounting, as a regulatory asset or regulatory liability.

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Index to Financial Statements

Allocation of Income

For purposes of maintaining partner capital accounts, the Partnership Agreement specifies that items of income and loss shall generally be allocated among the partners in accordance with their percentage interests.

3.ACQUISITIONS, DIVESTITURES AND RELATED TRANSACTIONS:

Crestwood Acquisition

On November 3, 2023, Energy Transfer acquired Crestwood, which owns gathering and processing assets located in the Williston, Delaware and Powder River basins. Under the terms of the merger agreement, holders of Crestwood common units received 2.07 Energy Transfer common units for each Crestwood common unit held by them (the “Common Unit Merger Consideration”). Additionally, each outstanding Crestwood preferred unit was, at the election of the holder of such Crestwood preferred unit, either, (i) converted into a Series I Preferred Unit, which is a new preferred unit of Energy Transfer that has substantially similar terms, including with respect to economics and structural protections, as the Crestwood preferred units; (ii) redeemed in exchange for $9.857484 in cash plus accrued and unpaid distributions to the date of such redemption; or (iii) converted into a Crestwood common unit at the then-applicable conversion ratio of one Crestwood common unit for ten Crestwood preferred units, and such Crestwood common units then received the Common Unit Merger Consideration.

In total, consideration issued in the transaction included approximately 216 million Energy Transfer common units, 41 million Series I Preferred Units and $300 million in cash. Concurrent with the closing of the Crestwood acquisition, the Partnership assumed $2.85 billion aggregate principal amount of Crestwood senior notes and terminated its revolving credit facility, which included the repayment of $613 million in outstanding borrowings.

The Crestwood acquisition was recorded using the acquisition method of accounting, which requires, among other things, that assets acquired and liabilities assumed be recognized on the balance sheet at their estimated fair values on the date of acquisition with any excess purchase price over the fair value of net assets acquired recorded to goodwill. Determining the fair value of acquired assets requires management’s judgment and the utilization of an independent valuation specialist, if applicable, and involves the use of significant estimates and assumptions. Acquired assets were valued based on a combination of the discounted cash flow, the guideline company and the reproduction and replacement methods.

The following table summarizes the assumed allocation of the purchase price among the assets acquired and liabilities assumed:

	At November 3, 2023
Total current assets	$	657
Property, plant and equipment, net	4,772
Investments in unconsolidated affiliates	95
Lease right-of-use assets, net	27
Other non-current assets	12
Intangible assets, net	1,139
Goodwill	1,455
Total assets	8,157
Total current liabilities	445
Long-term debt, less current maturities	3,461
Other non-current liabilities	322
Total liabilities	4,228
Noncontrolling interests	272
Total consideration	3,657
Cash received	12
Total consideration, net of cash received	$	3,645

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Index to Financial Statements

Lotus Midstream Acquisition

On May 2, 2023, Energy Transfer acquired Lotus Midstream for total consideration of $1.50 billion, including working capital. Consideration included $930 million in cash and approximately 44.5 million newly issued Energy Transfer common units, which had an aggregate acquisition-date fair value of $574 million. Lotus Midstream owns and operates Centurion Pipeline Company LLC, an integrated crude midstream platform located in the Permian Basin.

The following table summarizes the allocation of the purchase price among the assets acquired and liabilities assumed:

	At May 2, 2023
Total current assets	$	61
Property, plant and equipment, net	1,263
Investments in unconsolidated affiliates	138
Lease right-of-use assets, net	10
Other non-current assets	4
Intangible assets, net	75
Total assets	1,551
Total current liabilities	27
Other non-current liabilities	16
Total liabilities	43
Total consideration	1,508
Cash received	4
Total consideration, net of cash received	$	1,504

Woodford Express Acquisition

On September 13, 2022, Energy Transfer completed the acquisition of 100% of the membership interests in Woodford Express, LLC, which owns a Midcontinent gas gathering and processing system, for approximately $485 million plus working capital. The system, which is located in the heart of the SCOOP play, has 450 MMcf/d of cryogenic gas processing and treating capacity and over 200 miles of gathering lines, which are connected to Energy Transfer’s pipeline network. Woodford Express, LLC repaid aggregate principal of $292 million on its revolving credit facility and term loan on the closing date of the acquisition, which amount is included in the total consideration.

Energy Transfer Canada Sale

In August 2022, the Partnership completed the sale of its 51% interest in Energy Transfer Canada. The sale resulted in cash proceeds to Energy Transfer of $302 million.

Energy Transfer Canada’s assets and operations were included in the Partnership’s all other segment until August 2022. Energy Transfer Canada did not meet the criteria to be reflected as discontinued operations in the Partnership’s consolidated statement of operations. Based on the anticipated proceeds upon signing of the share purchase agreement in February 2022, during the three months ended March 31, 2022, the Partnership recorded a write-down on Energy Transfer Canada’s assets of $300 million, of which $164 million was allocated to noncontrolling interests and $136 million was reflected in net income attributable to partners. Upon the completion of the sale in August 2022, the Partnership recorded an $85 million loss on deconsolidation.

Spindletop Assets Purchase

In March 2022, the Partnership purchased the membership interests in Caliche Coastal Holdings, LLC (subsequently renamed Energy Transfer Spindletop LLC), which owns an underground storage facility near Mont Belvieu, Texas, for approximately $325 million.

Enable Acquisition

On December 2, 2021, the Partnership completed the previously announced merger with Enable. Under the terms of the merger agreement, Enable’s common unitholders received 0.8595 of an Energy Transfer common unit in exchange for each

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Index to Financial Statements

Enable common unit. In addition, each outstanding Enable Series A preferred unit was exchanged for 0.0265 of an Energy Transfer Series G Preferred Unit. A total of 384,780 Series G Preferred Units were issued in connection with the Enable acquisition. The total fair value of Energy Transfer common units and Series G Preferred Units issued was approximately $3.5 billion at the closing date. Energy Transfer also made a $10 million cash payment for Enable’s general partner and assumed $3.18 billion aggregate principal amount of Enable senior notes. In addition, Enable’s $800 million term loan and $35 million revolving credit facility were repaid and terminated in December 2021, immediately subsequent to the close of the Enable acquisition.

The Enable acquisition was recorded using the acquisition method of accounting, which requires, among other things, that assets acquired and liabilities assumed be recognized on the balance sheet at their estimated fair values on the date of acquisition with any excess purchase price over the fair value of net assets acquired recorded to goodwill. Determining the fair value of acquired assets requires management’s judgment and the utilization of an independent valuation specialist, if applicable, and involves the use of significant estimates and assumptions. Acquired assets were valued based on a combination of the discounted cash flow, the guideline company and the reproduction and replacement methods.

The following table summarizes the allocation of the purchase price among the assets acquired and liabilities assumed:

	At December 2, 2021
Total current assets	$	593
Property, plant and equipment, net	7,076
Investments in unconsolidated affiliates	40
Other non-current assets	39
Intangible assets, net	440
Goodwill	138
Total assets	8,326
Total current liabilities	488
Long-term debt, less current maturities	4,267
Other non-current liabilities	18
Total liabilities	4,773
Noncontrolling interests	34
Total consideration	3,519
Cash received	61
Total consideration, net of cash received	$	3,458

Sunoco LP’s Acquisitions and Divestiture

On January 22, 2024, Sunoco LP entered into a definitive agreement with NuStar to acquire NuStar in an all-equity transaction valued at approximately $7.30 billion, including assumed debt. Under the terms of the agreement, NuStar common unitholders will receive 0.4 Sunoco common units for each NuStar common unit. NuStar has approximately 9,500 miles of pipeline and 63 terminal and storage facilities that store and distribute crude oil, refined products, renewable fuels, ammonia and specialty liquids. The transaction is expected to close in the second quarter of 2024, subject to customary closing conditions.

On January 11, 2024, Sunoco LP entered into a definitive agreement with 7-Eleven, Inc. to sell 204 convenience stores located in West Texas, New Mexico and Oklahoma for approximately $1.00 billion, including customary adjustments for fuel and merchandise inventory. As part of the sale, Sunoco LP will also amend its existing take-or-pay fuel supply agreement with 7-Eleven, Inc. to incorporate additional fuel gross profit. The transaction is expected to close promptly upon receipt of regulatory approvals and satisfaction of customary closing conditions.

On January 11, 2024, Sunoco LP also announced that it will acquire liquid fuels terminals in Amsterdam, Netherlands and Bantry Bay, Ireland from Zenith Energy for €170 million including working capital. The transaction is expected to close in the first quarter of 2024, subject to customary closing conditions.

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Index to Financial Statements

On May 1, 2023, Sunoco LP completed the acquisition of 16 refined product terminals located across the East Coast and Midwest from Zenith Energy for $111 million, including working capital. The purchase price was primarily allocated to property and equipment.

On November 30, 2022, Sunoco LP completed the acquisition of Peerless Oil & Chemicals, Inc., an established terminal operator that distributes fuel products to over 100 locations primarily within Puerto Rico, for $67 million, net of cash acquired.

On April 1, 2022, Sunoco LP completed the acquisition of a transmix processing and terminal facility in Huntington, Indiana for $252 million, net of cash acquired, of which $98 million was allocated to intangible assets, $20 million to goodwill, $73 million to property, plant and equipment and $76 million to working capital.

4.INVESTMENTS IN UNCONSOLIDATED AFFILIATES:

Description of Investments

Following is a summary of the Partnership’s significant unconsolidated investees.

Citrus

Energy Transfer owns a 50% interest in Citrus. Citrus owns 100% of FGT, an approximately 5,362-mile natural gas pipeline system that originates in Texas and delivers natural gas to the Florida peninsula. Our investment in Citrus is reflected in our interstate transportation and storage segment.

MEP

Energy Transfer owns a 50% interest in MEP, which owns the Midcontinent Express Pipeline, an approximately 500-mile natural gas pipeline that extends from Southeast Oklahoma, across Northeast Texas, Northern Louisiana and Central Mississippi to an interconnect with the Transcontinental natural gas pipeline system in Butler, Alabama. Our investment in MEP is reflected in the interstate transportation and storage segment.

White Cliffs

Energy Transfer owns a 51% interest in White Cliffs, which consists of two parallel, 12-inch common carrier pipelines: one crude oil pipeline and one NGL pipeline. These pipelines transport crude and NGLs from Platteville, Colorado to Cushing, Oklahoma.

Explorer

Energy Transfer owns a 15% membership interest in Explorer, which consists of a 1,850-mile pipeline which originates from refining centers in Beaumont, Port Arthur, and Houston, Texas and extends to Chicago, Illinois. Our investment in Explorer is reflected in our NGL and refined products transportation and services segment.

Summary of Balances Related to Unconsolidated Affiliates

The carrying values of the Partnership’s investments in unconsolidated affiliates as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Citrus	$	1,811	$	1,800
MEP	332		360
White Cliffs	203		218
Explorer	67		69
Other	684		446
Total	$	3,097	$	2,893

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Index to Financial Statements

The following table presents equity in earnings (losses) of unconsolidated affiliates:

	Years Ended December 31,
	2023		2022		2021
Citrus	$	146	$	141	$	157
MEP	87		10		(17)
White Cliffs	10		(8)		—
Explorer	37		25		24
Other	103		89		82
Total equity in earnings of unconsolidated affiliates	$	383	$	257	$	246

Summarized Financial Information

The following tables present aggregated selected balance sheet and income statement data for our unconsolidated affiliates, Citrus, MEP, White Cliffs and Explorer (on a 100% basis) for all periods presented:

	December 31,
	2023		2022
Current assets	$	378	$	311
Property, plant and equipment, net	7,582		7,722
Other assets	88		86
Total assets	$	8,048	$	8,119
Current liabilities	$	260	$	291
Non-current liabilities	4,379		4,347
Equity	3,409		3,481
Total liabilities and equity	$	8,048	$	8,119

	Years Ended December 31,
	2023		2022		2021
Revenue	$	1,798	$	1,518	$	1,393
Operating income	1,012		704		684
Net income	735		463		446

In addition to the equity method investments described above, we have other equity method investments which are not significant to our consolidated financial statements.

5.NET INCOME PER COMMON UNIT:

Basic net income per common unit is computed by dividing net income, after considering the General Partner’s interest, by the weighted average number of limited partner interests outstanding. Diluted net income per common unit is computed by dividing net income (as adjusted as discussed herein), after considering the General Partner’s interest, by the weighted average number of limited partner interests outstanding. For the diluted earnings per share computation, income allocable to the limited partners is reduced, where applicable, for the decrease in earnings from Energy Transfer’s limited partner unit ownership in Sunoco LP and USAC that would have resulted assuming the incremental units related to Sunoco LP’s and USAC’s respective long-term incentive plans, as applicable, had been issued during the respective periods. Such units have been determined based on the treasury stock method.

F - 26

Index to Financial Statements

A reconciliation of net income and weighted average units used in computing basic and diluted net income per unit is as follows:

	Years Ended December 31,
	2023		2022		2021
Net income	$	5,294	$	5,868	$	6,687
Less: Net income attributable to redeemable noncontrolling interests	60		51		50
Less: Net income attributable to noncontrolling interests	1,299		1,061		1,167
Net income, net of noncontrolling interests	3,935		4,756		5,470
Less: General Partner’s interest in income	3		4		6
Less: Preferred Unitholders’ interest in income	463		422		285
Common Unitholders’ interest in net income	$	3,469	$	4,330	$	5,179
Basic Income per Common Unit:
Weighted average common units	3,161.7		3,086.8		2,734.4
Basic income per common unit	$	1.10	$	1.40	$	1.89
Diluted Income per Common Unit:
Common Unitholders’ interest in net income	$	3,469	$	4,330	$	5,179
Dilutive effect of equity-based compensation of subsidiaries and distributions to convertible units	(1)		(2)		(2)
Diluted income available to Common Unitholders	$	3,468	$	4,328	$	5,177
Weighted average common units	3,161.7		3,086.8		2,734.4
Dilutive effect of unvested unit awards	15.5		10.2		5.1
Weighted average common units, assuming dilutive effect of unvested unit awards	3,177.2		3,097.0		2,739.5
Diluted income per common unit	$	1.09	$	1.40	$	1.89

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Index to Financial Statements

6.DEBT OBLIGATIONS:

Our debt obligations consist of the following:

	December 31,
	2023	2022
Energy Transfer Indebtedness
3.45% Senior Notes due January 15, 2023(1)	—	350
3.60% Senior Notes due February 1, 2023(1)	—	800
4.25% Senior Notes due March 15, 2023(1)	—	5
4.25% Senior Notes due March 15, 2023(1)	—	995
4.20% Senior Notes due September 15, 2023(1)	—	500
4.50% Senior Notes due November 1, 2023(1)	—	600
5.875% Senior Notes due January 15, 2024(2)(3)	23	23
5.875% Senior Notes due January 15, 2024(2)(3)	1,127	1,127
7.60% Senior Notes due February 1, 2024(2)(3)	82	82
4.90% Senior Notes due February 1, 2024(2)(3)	350	350
7.60% Senior Notes due February 1, 2024(1)	—	277
4.25% Senior Notes due April 1, 2024(3)	500	500
4.50% Senior Notes due April 15, 2024(3)	750	750
3.90% Senior Notes due May 15, 2024(3)	600	600
9.00% Debentures due November 1, 2024(3)	65	65
4.05% Senior Notes due March 15, 2025	1,000	1,000
5.75% Senior Notes due April 1, 2025(4)	500	—
2.90% Senior Notes due May 15, 2025	1,000	1,000
5.95% Senior Notes due December 1, 2025	400	400
4.75% Senior Notes due January 15, 2026	1,000	1,000
3.90% Senior Notes due July 15, 2026	550	550
6.05% Senior Notes due December 1, 2026	1,000	—
4.40% Senior Notes due March 15, 2027	700	700
4.20% Senior Notes due April 15, 2027	600	600
6.05% Senior Notes due May 1, 2027(4)	600	—
5.50% Senior Notes due June 1, 2027	44	44
5.50% Senior Notes due June 1, 2027	956	956
4.00% Senior Notes due October 1, 2027	750	750
5.55% Senior Notes due February 15, 2028	1,000	1,000
4.95% Senior Notes due May 15, 2028	800	800
4.95% Senior Notes due June 15, 2028	1,000	1,000
6.10% Senior Notes due December 1, 2028	500	—
6.00% Senior Notes due February 1, 2029(4)	700	—
8.00% Senior Notes due April 1, 2029(4)	450	—
5.25% Senior Notes due April 15, 2029	1,500	1,500
7.00% Senior Notes due July 15, 2029	66	66
4.15% Senior Notes due September 15, 2029	547	547
8.25% Senior Notes due November 15, 2029	33	33
8.25% Senior Notes due November 15, 2029	267	267
3.75% Senior Note due May 15, 2030	1,500	1,500
6.40% Senior Notes due December 1, 2030	1,000	—
7.38% Senior Notes due April 1, 2031(4)	600	—
5.75% Senior Notes due February 15, 2033	1,500	1,500

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Index to Financial Statements

4.05% Tax-Exempt Bonds due June 1, 2033(5)	225	—
6.55% Senior Notes due December 1,2033	1,500	—
4.90% Senior Notes due March 15, 2035	500	500
6.625% Senior Notes due October 15, 2036	400	400
5.80% Senior Notes due June 15, 2038	500	500
7.50% Senior Notes due July 1, 2038	550	550
6.85% Senior Notes due February 15, 2040	250	250
6.05% Senior Notes due June 1, 2041	700	700
6.50% Senior Notes due February 1, 2042	1,000	1,000
6.10% Senior Notes due February 15, 2042	300	300
4.95% Senior Notes due January 15, 2043	350	350
5.15% Senior Notes due February 1, 2043	450	450
5.95% Senior Notes due October 1, 2043	450	450
5.30% Senior Notes due April 1, 2044	700	700
5.00% Senior Notes due May 15, 2044	531	531
5.15% Senior Notes due March 15, 2045	1,000	1,000
5.35% Senior Notes due May 15, 2045	800	800
6.125% Senior Notes due December 15, 2045	1,000	1,000
5.30% Senior Notes due April 15, 2047	900	900
5.40% Senior Notes due October 1, 2047	1,500	1,500
6.00% Senior Notes due June 15, 2048	1,000	1,000
6.25% Senior Notes due April 15, 2049	1,750	1,750
5.00% Senior Notes due May 15, 2050	2,000	2,000
Floating Rate Junior Subordinated Notes due November 1, 2066	600	600
Five-Year Credit Facility	1,412	793
Unamortized premiums, discounts and fair value adjustments, net	128	184
Deferred debt issuance costs	(197)	(181)
	44,359	40,264
Subsidiary Indebtedness
Transwestern Debt
5.66% Senior Notes due December 9, 2024(3)	175	175
6.16% Senior Notes due May 24, 2037	75	75
	250	250
Bakken Project Debt
3.90% Senior Notes due April 1, 2024	1,000	1,000
4.625% Senior Notes due April 1, 2029	850	850
Unamortized premiums, discounts and fair value adjustments, net	(1)	(1)
Deferred debt issuance costs	(4)	(7)
	1,845	1,842

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Index to Financial Statements

Sunoco LP Debt
6.00% Senior Notes Due April 15, 2027	600		600
5.875% Senior Notes Due March 15, 2028	400		400
7.00% Senior Notes due September 25, 2028	500		—
4.50% Senior Notes due May 15, 2029	800		800
4.50% Senior Notes due April 30, 2030	800		800
Sunoco LP Credit Facility due April 7, 2027	411		900
Lease-related obligations	94		94
Deferred debt issuance costs	(25)		(23)
	3,580		3,571
USAC Debt
6.875% Senior Notes due April 1, 2026	725		725
6.875% Senior Notes due September 1, 2027	750		750
USAC Credit Facility due December 2026(6)	872		646
Deferred debt issuance costs	(11)		(14)
	2,336		2,107
HFOTCO Debt
HFOTCO Tax Exempt Notes due 2050 (5)	—		225
	—		225
Other long-term debt	18		3
Total debt	52,388		48,262
Less: Current maturities of long-term debt	1,008		2
Long-term debt, less current maturities	$	51,380	$	48,260

(1)These notes were redeemed in 2023.

(2)These notes were redeemed subsequent to December 31, 2023.

(3)As of December 31, 2023, these notes were classified as long-term as management had the intent and ability to refinance the borrowings on a long-term basis.

(4)These notes, totaling $2.85 billion aggregate principal amount, were assumed by the Partnership in connection with the closing of the Crestwood acquisition in November 2023.

(5)In May 2023, the Partnership refinanced all of the $225 million outstanding principal amount of HFOTCO tax-exempt bonds with new 10-year tax-exempt bonds. The new bonds, which were issued through the Harris County Industrial Development Corporation and are obligations of Energy Transfer, accrue interest at a fixed rate of 4.05% and are mandatorily redeemable in 2033. Upon redemption, these tax-exempt bonds may be remarketed on different terms through final maturity of November 1, 2050.

(6)The USAC Credit Facility matures in December 2026, except that if any portion of the 6.875% Senior Notes due 2026 are outstanding on December 31, 2025, the USAC Credit Facility will mature on December 31, 2025.

F - 30

Index to Financial Statements

The following table reflects future maturities of long-term debt for each of the next five years and thereafter. These amounts exclude $237 million in unamortized premiums, fair value adjustments and deferred debt issuance costs, net:

2024	$	4,672
2025	2,900
2026	4,147
2027	6,823
2028	4,200
Thereafter	29,756
Total	$	52,498

Long-term debt reflected on our consolidated balance sheets includes fair value adjustments related to interest rate swaps, which represent fair value adjustments that had been recorded in connection with fair value hedge accounting prior to the termination of the interest rate swap.

Notes and Debentures

Senior Notes

The Energy Transfer Senior Notes are the Partnership’s senior obligations, ranking equally in right of payment with our other existing and future unsubordinated debt and senior to any of its future subordinated debt. The Energy Transfer Senior Notes are not guaranteed by any of its subsidiaries.

The covenants related to the Energy Transfer Senior Notes include a limitation on liens, a limitation on transactions with affiliates, a restriction on sale-leaseback transactions and limitations on mergers and sales of all or substantially all of the Partnership’s assets.

January 2024 Notes Issuance

In January 2024, the Partnership issued $1.25 billion aggregate principal amount of 5.55% Senior Notes due 2034, $1.75 billion aggregate principal amount of 5.95% Senior Notes due 2054 and $800 million aggregate principal amount of 8.00% fixed-to-fixed reset rate Junior Subordinated Notes due 2054. The Partnership used the net proceeds to refinance existing indebtedness, including borrowings under its Five-Year Credit Facility (defined below), to redeem its outstanding Series C Preferred Units and Series D Preferred Units and for general partnership purposes. The Partnership also intends to use the proceeds to redeem its Series E Preferred Units in May 2024.

Credit Facilities and Commercial Paper

Five-Year Credit Facility

The Partnership’s Five-Year Credit Facility allows for unsecured borrowings up to $5.00 billion and matures on April 11, 2027. The Five-Year Credit Facility contains an accordion feature, under which the total aggregate commitment may be increased up to $7.00 billion under certain conditions.

As of December 31, 2023, the Five-Year Credit Facility had $1.41 billion of outstanding borrowings, $1.37 billion of which consisted of commercial paper. The amount available for future borrowings was $3.56 billion, after accounting for outstanding letters of credit in the amount of $29 million. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 5.87%.

Sunoco LP Credit Facility

Sunoco LP maintains a $1.50 billion revolving credit facility (the “Sunoco LP Credit Facility”). As of December 31, 2023, the Sunoco LP Credit Facility had $411 million of outstanding borrowings and $5 million in standby letters of credit and matures in April 2027. The amount available for future borrowings was $1.08 billion at December 31, 2023. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 7.54%.

USAC Credit Facility

USAC maintains a $1.60 billion revolving credit facility (the “USAC Credit Facility”) which matures on December 8, 2026, except that if any portion of USAC’s senior notes due 2026 are outstanding on December 31, 2025, the USAC Credit Facility will mature on December 31, 2025. As of December 31, 2023, USAC had $872 million of outstanding borrowings

F - 31

Index to Financial Statements

and no outstanding letters of credit under the credit agreement. As of December 31, 2023, USAC had $728 million of remaining unused availability of which, due to restrictions related to compliance with the applicable financial covenants, $529 million was available to be drawn. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 7.98%.

Covenants Related to Our Credit Agreements

The agreements relating to the Senior Notes contain restrictive covenants customary for an issuer with an investment-grade rating from the rating agencies, which covenants include limitations on liens and a restriction on sale-leaseback transactions.

The Five-Year Credit Facility contains covenants that limit (subject to certain exceptions) the Partnership’s and certain of the Partnership’s subsidiaries’ ability to, among other things:

•incur indebtedness;

•grant liens;

•enter into mergers;

•dispose of assets;

•make certain investments;

•make Distributions (as defined in the Five-Year Credit Facility) during certain Defaults (as defined in the Five-Year Credit Facility) and during any Event of Default (as defined in the Five-Year Credit Facility);

•engage in business substantially different in nature than the business currently conducted by the Partnership and its subsidiaries;

•engage in transactions with affiliates; and

•enter into restrictive agreements.

The applicable margin and rate used in connection with the interest rates and commitment fees, respectively, are based on the credit ratings assigned to our senior, unsecured, non-credit enhanced long-term debt. The applicable margin for eurodollar rate loans under the Five-Year Credit Facility ranges from 1.125% to 2.000% and the applicable margin for base rate loans ranges from 0.125% to 1.000%. The applicable rate for commitment fees under the Five-Year Credit Facility ranges from 0.125% to 0.300%. 

The Five-Year Credit Facility contains various covenants including limitations on the creation of indebtedness and liens and related to the operation and conduct of our business. The Five-Year Credit Facility also limits us, on a rolling four quarter basis, to a maximum Consolidated Funded Indebtedness to Consolidated EBITDA ratio, as defined in the underlying credit agreement, of 5.00 to 1.00, which can generally be increased to 5.50 to 1.00 during a Specified Acquisition Period. Our Leverage Ratio was 3.31 to 1.00 at December 31, 2023, as calculated in accordance with the credit agreement.

Failure to comply with the various restrictive and affirmative covenants of our revolving credit facilities could require us to pay debt balances prior to scheduled maturity and could negatively impact the Partnership’s or our subsidiaries’ ability to incur additional debt and/or our ability to pay distributions to Unitholders.

Covenants Related to Transwestern

The agreements relating to the Transwestern senior notes contain certain restrictions that, among other things, limit the incurrence of additional debt, the sale of assets and the payment of dividends and specify a maximum debt to capitalization ratio.

Covenants Related to Sunoco LP

The Sunoco LP Credit Facility contains various customary representations, warranties, covenants and events of default, including a change of control event of default, as defined therein. Sunoco LP’s Credit Facility requires Sunoco LP to maintain a specified net leverage ratio and interest coverage ratio.

F - 32

Index to Financial Statements

Covenants Related to USAC

The USAC Credit Facility contains covenants that limit (subject to certain exceptions) USAC’s ability to, among other things:

•grant liens;

•make certain loans or investments;

•incur additional indebtedness or guarantee other indebtedness;

•enter into transactions with affiliates;

•merge or consolidate;

•sell our assets; and

•make certain acquisitions.

The USAC Credit Facility is also subject to the following financial covenants, including covenants requiring USAC to maintain:

•a minimum EBITDA to interest coverage ratio;

•a ratio of total secured indebtedness to EBITDA within a specified range; and

•a maximum funded debt to EBITDA ratio.

Compliance with our Covenants

Failure to comply with the various restrictive and affirmative covenants of our revolving credit facilities and note agreements could require us or our subsidiaries to pay debt balances prior to scheduled maturity and could negatively impact the subsidiaries ability to incur additional debt and/or our ability to pay distributions.

We and our subsidiaries were in compliance with all requirements, tests, limitations, and covenants related to our debt agreements as of December 31, 2023.

7.REDEEMABLE NONCONTROLLING INTERESTS:

Certain redeemable noncontrolling interests in the Partnership’s subsidiaries are reflected as mezzanine equity on the consolidated balance sheet. As of December 31, 2023 and 2022, redeemable noncontrolling interests included $476 million and $477 million, respectively, related to the USAC Preferred Units, described below, and $22 million and $16 million, respectively, related to noncontrolling interest holders in one of the Partnership’s consolidated subsidiaries that have the option to sell their interests to the Partnership. As of December 31, 2023, redeemable noncontrolling interests also included $280 million related to the Niobrara Preferred Units described below.

USAC Series A Preferred Units

As of December 31, 2023 and 2022, USAC had 500,000 preferred units issued and outstanding. The USAC Preferred Units are entitled to receive cumulative quarterly distributions equal to $24.375 per USAC Preferred Unit, subject to increase in certain limited circumstances. The USAC Preferred Units will have a perpetual term, unless converted or redeemed. Certain portions of the USAC Preferred Units are convertible into USAC common units at the election of the holders. The USAC Preferred Units are convertible, at the option of the holder, into a maximum of 24,985,633 USAC common units in the aggregate. USAC has the option to redeem all or any portion of the USAC Preferred Units then outstanding, subject to certain minimum redemption threshold amounts, for a redemption price set forth in USAC’s partnership agreement. In addition, beginning April 2028, the holders of the USAC Preferred Units will have the right to require USAC to redeem all or any portion of the USAC Preferred Units, and USAC may elect to pay up to 50% of such redemption amount in USAC common units.

On January 12, 2024, the holders of the USAC Preferred Units elected to convert 40,000 USAC Preferred Units into 1,998,850 USAC common units.

Niobrara Preferred Units

Crestwood Niobrara LLC (“Crestwood Niobrara”), a subsidiary acquired in the Crestwood acquisition in November 2023, has outstanding two series of preferred units (collectively, the “Niobrara Preferred Units”) held by a third party. The Niobrara Preferred Units are redeemable by the Partnership or the preferred interest holder and are also convertible by the

F - 33

Index to Financial Statements

preferred interest holder into Crestwood Niobrara common units. The preferred interest holder also has the option to contribute additional capital to Crestwood Niobrara to increase their common ownership percentage in Crestwood Niobrara to 50% upon the conversion.

8.EQUITY:

Limited Partners

Limited partner interests in the Partnership are represented by Common Units that entitle the holders thereof to the rights and privileges specified in the Partnership Agreement. The Partnership’s Common Units are registered under the Securities Exchange Act of 1934 (as amended) and are listed for trading on the NYSE. Each holder of a Common Unit is entitled to one vote per unit on all matters presented to the Limited Partners for a vote. In addition, if at any time any person or group (other than the Partnership’s General Partner and its affiliates) owns beneficially 20% or more of all Common Units, any Common Units owned by that person or group may not be voted on any matter and are not considered to be outstanding when sending notices of a meeting of Unitholders (unless otherwise required by law), calculating required votes, determining the presence of a quorum or for other similar purposes under the Partnership Agreement. The Common Units are entitled to distributions of Available Cash as described at “Quarterly Distributions of Available Cash.”

Our Partnership Agreement contains specific provisions for the allocation of net earnings and losses to the partners for purposes of maintaining the partner capital accounts. For any fiscal year that the Partnership has net profits, such net profits are first allocated to the General Partner (which currently holds an approximately 0.1% general partner interest) until the aggregate amount of net profits for the current and all prior fiscal years equals the aggregate amount of net losses allocated to the General Partner for the current and all prior fiscal years. Second, such net profits shall be allocated to the Limited Partners pro rata in accordance with their respective sharing ratios. For any fiscal year in which the Partnership has net losses, such net losses shall be first allocated to the Limited Partners in proportion to their respective adjusted capital account balances, as defined by the Partnership Agreement, (before taking into account such net losses) until their adjusted capital account balances have been reduced to zero. Second, all remaining net losses shall be allocated to the General Partner. The General Partner may distribute to the Limited Partners funds of the Partnership that the General Partner reasonably determines are not needed for the payment of existing or foreseeable Partnership obligations and expenditures.

Common Units

The change in Energy Transfer Common Units during the years ended December 31, 2023, 2022 and 2021 was as follows:

	Years Ended December 31,
	2023	2022	2021
Number of Common Units, beginning of period	3,094.4	3,082.5	2,702.4
Common Units issued in mergers and acquisitions (1)	260.2	—	374.6
Common Units repurchased	—	—	(4.2)
Issuance of Common Units (2)	12.9	11.9	9.7
Number of Common Units, end of period	3,367.5	3,094.4	3,082.5

(1)Common units issued related to our acquisitions of Crestwood and Lotus Midstream in 2023 and of Enable in 2021.

(2)Includes common units issued in connection with the distribution reinvestment program and restricted unit vestings.

Energy Transfer Class A Units

As of December 31, 2023, the Partnership had outstanding 833,486,004 Class A units (“Energy Transfer Class A Units”) representing limited partner interests in the Partnership to the General Partner. The Energy Transfer Class A Units are entitled to vote together with the Partnership’s common units, as a single class, except as required by law. Additionally, Energy Transfer’s Partnership Agreement provides that, under certain circumstances, upon the issuance by the Partnership of additional common units or any securities that have voting rights that are pari passu with the Partnership common units, the Partnership will issue to any holder of Energy Transfer Class A Units additional Energy Transfer Class A Units such that the holder maintains a voting interest in the Partnership that is identical to its voting interest in the Partnership prior to such issuance. The Energy Transfer Class A Units are not entitled to distributions and otherwise have no economic attributes.

F - 34

Index to Financial Statements

Energy Transfer Repurchase Program

In February 2015, the Partnership announced a common unit repurchase program, whereby the Partnership may repurchase up to $2 billion of Energy Transfer Common Units in the open market at the Partnership’s discretion, subject to market conditions and other factors, and in accordance with applicable regulatory requirements. The Partnership did not repurchase any Energy Transfer Common Units under this program in 2023 or 2022. As of December 31, 2023, $880 million remained available to repurchase under the current program.

Energy Transfer Distribution Reinvestment Program

During the year ended December 31, 2023, distributions of $90 million were reinvested under the distribution reinvestment program. As of December 31, 2023, a total of 4.5 million common units remain available to be issued under the existing registration statement in connection with the distribution reinvestment program.

Energy Transfer Preferred Units

As of December 31, 2023, Energy Transfer’s outstanding preferred units included 950,000 Series A Preferred Units, 550,000 Series B Preferred Units, 18,000,000 Series C Preferred Units, 17,800,000 Series D Preferred Units, 32,000,000 Series E Preferred Units, 500,000 Series F Preferred Units, 1,484,780 Series G Preferred Units, 900,000 Series H Preferred Units and 41,464,179 Series I Preferred Units.

The following table summarizes changes in the Energy Transfer Preferred Units:

	Preferred Unitholders
	Series A		Series B		Series C		Series D		Series E		Series F		Series G		Series H		Series I		Total
Balance, December 31, 2020	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Preferred units conversion (1)	943		547		440		434		786		504		1,114		—		—		4,768
Units issued for cash	—		—		—		—		—		—		—		889		—		889
Distributions to partners	(30)		(18)		(25)		(25)		(45)		(34)		(79)		(24)		—		(280)
Units issued in Enable acquisition	—		—		—		—		—		—		392		—		—		392
Other, net	—		—		—		—		—		—		—		(3)		—		(3)
Net income	45		27		25		25		45		26		61		31		—		285
Balance, December 31, 2021	958		556		440		434		786		496		1,488		893		—		6,051
Distributions to partners	(59)		(36)		(33)		(34)		(61)		(34)		(106)		(59)		—		(422)
Net income	59		36		33		34		61		34		106		59		—		422
Balance, December 31, 2022	958		556		440		434		786		496		1,488		893		—		6,051
Distributions to partners	(96)		(36)		(40)		(36)		(61)		(34)		(106)		(59)		—		(468)
Units issued in Crestwood acquisition	—		—		—		—		—		—		—		—		413		413
Net income	86		36		38		37		61		34		106		59		6		463
Balance, December 31, 2023	$	948	$	556	$	438	$	435	$	786	$	496	$	1,488	$	893	$	419	$	6,459

(1)In connection with the Rollup Mergers on April 1, 2021, as discussed in Note 1, all of ETO’s previously outstanding preferred units were converted to Energy Transfer Preferred Units with identical distribution and redemption rights.

Series A Preferred Units

Prior to February 15, 2023, distributions on the Series A Preferred Units accrued at a fixed rate of 6.250% per annum of the liquidation preference of $1,000. Beginning February 15, 2023 to, but excluding, August 15, 2023, the Series A Preferred Units accrued a floating distribution rate set each quarterly distribution period at a percentage of the $1,000 liquidation preference equal to the then-current three-month LIBOR plus a spread of 4.028% per annum. On and after August 15, 2023, the floating distribution rate on the Series A Preferred Units is based on the three-month SOFR, plus a tenor spread adjustment of 0.26161%, plus 4.028% per annum. Distributions on the Series A Preferred Units were previously payable

F - 35

Index to Financial Statements

semiannually in arrears until February 15, 2023, and, after February 15, 2023, quarterly in arrears, when, as, and if declared by our General Partner out of legally available funds for such purpose.

Series B Preferred Units

Distributions on the Series B Preferred Units will accrue and be cumulative from and including the date of original issue to, but excluding, February 15, 2028, at a rate of 6.625% per annum of the stated liquidation preference of $1,000. On and after February 15, 2028, distributions on the Series B Preferred Units will accumulate at a percentage of the $1,000 liquidation preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, in each case determined quarterly by our calculation agent, plus a spread of 4.155% per annum. The Series B Preferred Units are redeemable at Energy Transfer’s option on or after February 15, 2028 at a redemption price of $1,000 per Series B Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption.

Series C Preferred Units

Prior to May 15, 2023, distributions on the Series C Preferred Units accrued at a fixed rate of 7.375% per annum of the liquidation preference of $25. Beginning May 15, 2023 to, but excluding, August 15, 2023, the Series C Preferred Units accrued a floating distribution rate set each quarterly distribution period at a percentage of the $25 liquidation preference equal to the then-current three-month LIBOR plus a spread of 4.530% per annum. On and after August 15, 2023, the floating distribution rate on the Series C Preferred Units based on the three-month SOFR, plus a tenor spread adjustment of 0.26161%, plus 4.530% per annum. The Series C Preferred Units were redeemed in February 2024.

Series D Preferred Units

Prior to August 15, 2023, distributions on the Series D Preferred Units accrued at a fixed rate of 7.625% per annum of the liquidation preference of $25. On and after August 15, 2023, the Series D Preferred Units accrued a floating distribution rate set each quarterly distribution period at a percentage of the $25 liquidation preference equal to the three-month SOFR, plus a tenor spread adjustment of 0.26161%, plus 4.738% per annum. The Series D Preferred Units were redeemed in February 2024.

Series E Preferred Units

Distributions on the Series E Preferred Units will accrue and be cumulative from and including the date of original issue to, but excluding, May 15, 2024, at a rate of 7.600% per annum of the stated liquidation preference of $25. On and after May 15, 2024, distributions on the Series E Preferred Units will accumulate at a percentage of the $25 liquidation preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, in each case determined quarterly by our calculation agent, plus a spread of 5.161% per annum. The Series E Preferred Units are redeemable at Energy Transfer’s option on or after May 15, 2024 at a redemption price of $25 per Series E Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption. The Partnership intends to redeem the Series E Preferred Units in May 2024.

Series F Preferred Units

Distributions on the Series F Preferred Units are cumulative from and including the original issue date and will be payable semi-annually in arrears on the 15th day of May and November of each year, commencing on May 15, 2020 to, but excluding, May 15, 2025, at a rate equal to 6.750% per annum of the $1,000 liquidation preference. On and after May 15, 2025, the distribution rate on the Series F Preferred Units will equal a percentage of the $1,000 liquidation preference equal to the five-year U.S. treasury rate plus a spread of 5.134% per annum. The Series F Preferred Units are redeemable at Energy Transfer’s option on or after May 15, 2025 at a redemption price of $1,000 per Series F Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption.

Series G Preferred Units

Distributions on the Series G Preferred Units are cumulative from and including the original issue date and will be payable semi-annually in arrears on the 15th day of May and November of each year, commencing on May 15, 2020 to, but excluding, May 15, 2030, at a rate equal to 7.125% per annum of the $1,000 liquidation preference. On and after May 15, 2030, the distribution rate on the Series G Preferred Units will equal a percentage of the $1,000 liquidation preference equal to the five-year U.S. treasury rate plus a spread of 5.306% per annum. The Series G Preferred Units are redeemable at Energy Transfer’s option on or after May 15, 2030 at a redemption price of $1,000 per Series G Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption. On December

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Index to Financial Statements

2, 2021, Energy Transfer issued 384,780 Series G Preferred Units in connection with the Enable acquisition, as discussed in Note 3.

Series H Preferred Units

On June 15, 2021, Energy Transfer issued 900,000 of its 6.500% Series H Preferred Units at a price to the public of $1,000 per unit. Distributions on the Series H Preferred Units will accrue and be cumulative to, but excluding, November 15, 2026, at a rate equal to 6.500% per annum of the $1,000 liquidation preference. On and after November 15, 2026 and each fifth anniversary thereafter, the distribution rate on the Series H Preferred Units will reset to be a percentage of the $1,000 liquidation preference equal to the five-year U.S. treasury rate plus a spread of 5.694% per annum. Distributions on the Series H Preferred Units will be payable semi-annually in arrears on the 15th day of May and November of each year. The Series H Preferred Units are redeemable at Energy Transfer’s option during the three-month period prior to, and including, each distribution reset date at a redemption price of $1,000 per Series H Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption.

Series I Preferred Units

On November 3, 2023, Energy Transfer, in connection with its acquisition of Crestwood, issued 41,464,179 of its Series I Preferred Units in exchange for a commensurate number of Crestwood preferred units. Subject to certain conditions, the holders of the Series I Preferred Units will have the right to convert preferred units into (i) common units on a 10-for-2.07 basis, or (ii) a number of common units determined pursuant to a conversion ratio set forth in the Partnership Agreement upon the occurrence of certain events, such as a change in control. The Series I Preferred Units, on an as converted basis, have voting rights that are identical to the voting rights of the common units and will vote with the common units as a single class, except that the preferred units are entitled to vote as a separate class on any matter on which all unitholders are entitled to vote that adversely affects the rights, powers, privileges or preferences of the preferred units in relation to Energy Transfer’s other securities outstanding

The holders of the Series I Preferred Units are entitled to receive fixed quarterly distributions of $0.2111 per unit. Distributions on the preferred units are paid in cash unless, subject to certain exceptions, (i) there is no distribution being paid on our common units; and (ii) our available cash (as defined in our Partnership Agreement) is insufficient to make a cash distribution to Series I Preferred Unitholders.

Upcoming Changes in Preferred Unit Distribution Rates

Distributions on the Energy Transfer Series B Preferred Units and Series E Preferred Units are scheduled to begin accruing at a floating rate as follows:

	Beginning of floating rate period	Applicable Spread		Tenor spread adjustment		Floating rate
Series B Preferred Units	February 15, 2028	4.155	%	0.26161	%	Three-month SOFR
Series E Preferred Units	May 15, 2024	5.161	%	0.26161	%	Three-month SOFR

As discussed above, the Partnership expects to redeem the Series E Preferred Units at the beginning of the floating rate period on May 15, 2024.

Sale of Common Units by Subsidiaries

Energy Transfer on a stand-alone basis (the “Parent Company”) accounts for the difference between the carrying amount of its investment in subsidiaries and the underlying book value arising from issuance of units by subsidiaries (excluding unit issuances to the Parent Company) as a capital transaction. If a subsidiary issues units at a price less than the Parent Company’s carrying value per unit, the Parent Company assesses whether the investment has been impaired, in which case a provision would be reflected in our statement of operations. The Parent Company did not recognize any impairment related to the issuances of subsidiary common units during the periods presented.

Subsidiary Equity Transactions

USAC’s Distribution Reinvestment Program

During the years ended December 31, 2023, 2022 and 2021, USAC issued 87,808, 124,255 and 118,399 USAC common units, respectively, under the USAC distribution reinvestment program.

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Index to Financial Statements

USAC’s Warrants

In April 2022, USAC issued 534,308 of its common units in connection with the exercise of outstanding warrants. In October 2023, the remainder of USAC’s outstanding warrants were exercised in full and net settled for 2,360,488 USAC common units. As of December 31, 2023, no warrants are outstanding.

Energy Transfer Common Unit Distributions

Our distribution policy is consistent with the terms of our Partnership Agreement, which requires that we distribute all of our available cash quarterly.

Our distributions declared and paid with respect to our common units were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	February 8, 2021	February 19, 2021	0.1525
March 31, 2021	May 11, 2021	May 19, 2021	0.1525
June 30, 2021	August 6, 2021	August 19, 2021	0.1525
September 30, 2021	November 5, 2021	November 19, 2021	0.1525
December 31, 2021	February 8, 2022	February 18, 2022	0.1750
March 31, 2022	May 9, 2022	May 19, 2022	0.2000
June 30, 2022	August 8, 2022	August 19, 2022	0.2300
September 30, 2022	November 4, 2022	November 21, 2022	0.2650
December 31, 2022	February 7, 2023	February 21, 2023	0.3050
March 31, 2023	May 8, 2023	May 22, 2023	0.3075
June 30, 2023	August 14, 2023	August 21, 2023	0.3100
September 30, 2023	October 30, 2023	November 20, 2023	0.3125
December 31, 2023	February 7, 2024	February 20, 2024	0.3150

Energy Transfer Preferred Unit Distributions

Distributions on Energy Transfer’s preferred units declared and/or paid by Energy Transfer were as follows:

Period Ended	Record Date	Payment Date	Series A (1)	Series B (1)	Series C	Series D	Series E	Series F (1)	Series G (1)	Series H (1)		Series I
March 31, 2021	May 3, 2021	May 17, 2021	$—	$—	$0.4609	$0.4766	$0.4750	$33.7500	$35.63	$—		$—
June 30, 2021	August 2, 2021	August 16, 2021	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
September 30, 2021	November 1, 2021	November 15, 2021	—	—	0.4609	0.4766	0.4750	33.7500	35.63	27.08	*	—
December 31, 2021	February 1, 2022	February 15, 2022	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
March 31, 2022	May 2, 2022	May 16, 2022	—	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
June 30, 2022	August 1, 2022	August 15, 2022	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
September 30, 2022	November 1, 2022	November 15, 2022	—	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
December 31, 2022	February 1, 2023	February 15, 2023	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
March 31, 2023	May 1, 2023	May 15, 2023	21.98	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
June 30, 2023	August 1, 2023	August 15, 2023	23.89	33.125	0.6294	0.4766	0.4750	—	—	—		—
September 30, 2023	November 1, 2023	November 15, 2023	24.67	—	0.6489	0.6622	0.4750	33.7500	35.63	32.50		—
December 31, 2023	February 1, 2024	February 15, 2024	24.71	33.125	0.6075	0.6199	0.4750	—	—	—		0.2111

*    Represents prorated initial distribution.

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Index to Financial Statements

(1)    Series B, Series F, Series G and Series H distributions are currently paid on a semi-annual basis. Pursuant to their terms, distributions on the Series A preferred units began to be paid quarterly on February 15, 2023, and distributions on the Series B preferred units will begin to be paid quarterly on February 15, 2028.

Sunoco LP Cash Distributions

Energy Transfer owns approximately 28.5 million Sunoco LP common units and all of Sunoco LP’s IDRs. As of December 31, 2023, Sunoco LP had approximately 84.4 million common units outstanding.

The following table illustrates the percentage allocations of available cash from operating surplus between Sunoco LP’s common unitholders and the holder of its IDRs based on the specified target distribution levels, after the payment of distributions to Class C unitholders. The amounts set forth under “marginal percentage interest in distributions” are the percentage interests of the IDR holder and the common unitholders in any available cash from operating surplus which Sunoco LP distributes up to and including the corresponding amount in the column “total quarterly distribution per unit target amount.” The percentage interests shown for common unitholders and IDR holder for the minimum quarterly distribution are also applicable to quarterly distribution amounts that are less than the minimum quarterly distribution.

		Marginal Percentage Interest in Distributions
	Total Quarterly Distribution Target Amount	Common Unitholders	Holder of IDRs
Minimum Quarterly Distribution	$0.4375	100%	—%
First Target Distribution	$0.4375 to $0.503125	100%	—%
Second Target Distribution	$0.503125 to $0.546875	85%	15%
Third Target Distribution	$0.546875 to $0.656250	75%	25%
Thereafter	Above $0.656250	50%	50%

Distributions on Sunoco LP’s units declared and/or paid by Sunoco LP were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	February 8, 2021	February 19, 2021	0.8255
March 31, 2021	May 11, 2021	May 19, 2021	0.8255
June 30, 2021	August 6, 2021	August 19, 2021	0.8255
September 30, 2021	November 5, 2021	November 19, 2021	0.8255
December 31, 2021	February 8, 2022	February 18, 2022	0.8255
March 31, 2022	May 9, 2022	May 19, 2022	0.8255
June 30, 2022	August 8, 2022	August 19, 2022	0.8255
September 30, 2022	November 4, 2022	November 18, 2022	0.8255
December 31, 2022	February 7, 2023	February 21, 2023	0.8255
March 31, 2023	May 8, 2023	May 22, 2023	0.8420
June 30, 2023	August 14, 2023	August 21, 2023	0.8420
September 30, 2023	October 30, 2023	November 20, 2023	0.8420
December 31, 2023	February 7, 2024	February 20, 2024	0.8420

USAC Cash Distributions

Energy Transfer owns approximately 46.1 million USAC common units. As of December 31, 2023, USAC had approximately 101.0 million common units outstanding. USAC currently has a non-economic general partner interest and no outstanding IDRs.

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Index to Financial Statements

Distributions on USAC’s units declared and/or paid by USAC were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	January 25, 2021	February 5, 2021	0.5250
March 31, 2021	April 26, 2021	May 7, 2021	0.5250
June 30, 2021	July 26, 2021	August 6, 2021	0.5250
September 30, 2021	October 25, 2021	November 5, 2021	0.5250
December 31, 2021	January 24, 2022	February 4, 2022	0.5250
March 31, 2022	April 25, 2022	May 6, 2022	0.5250
June 30, 2022	July 25, 2022	August 5, 2022	0.5250
September 30, 2022	October 24, 2022	November 4, 2022	0.5250
December 31, 2022	January 23, 2023	February 3, 2023	0.5250
March 31, 2023	April 24, 2023	May 5, 2023	0.5250
June 30, 2023	July 24, 2023	August 4, 2023	0.5250
September 30, 2023	October 23, 2023	November 3, 2023	0.5250
December 31, 2023	January 22, 2024	February 2, 2024	0.5250

Accumulated Other Comprehensive Income

The following table presents the components of AOCI, net of tax:

	December 31,
	2023		2022
Available-for-sale securities	$	13	$	9
Foreign currency translation adjustment	(5)		1
Actuarial gain (loss) related to pensions and other postretirement benefits	6		(7)
Investments in unconsolidated affiliates, net	14		13
Total AOCI, net of tax	$	28	$	16

The following table sets forth the tax amounts included in the respective components of other comprehensive income:

	December 31,
	2023		2022
Available-for-sale securities	$	(3)	$	1
Foreign currency translation adjustment	6		6
Actuarial loss relating to pension and other postretirement benefits	—		1
Total	$	3	$	8

9.EQUITY INCENTIVE PLANS:

We, Sunoco LP and USAC, have issued equity incentive plans for employees, officers and directors, which provide for various types of awards, including options to purchase Common Units, restricted units, phantom units, distribution equivalent rights (“DERs”), common unit appreciation rights, cash restricted units and other equity-based compensation awards. As of December 31, 2023, an aggregate total of 42.9 million Energy Transfer Common Units remain available to be awarded under our equity incentive plans.

Energy Transfer Long-Term Incentive Plan

We have granted restricted unit awards to employees that vest over a specified time period, typically a five-year service vesting requirement, with vesting based on continued employment as of each applicable vesting date. Upon vesting, Energy Transfer Common Units are issued. These unit awards entitle the recipients of the unit awards to receive, with respect to each Common Unit subject to such award that has not either vested or been forfeited, a cash payment equal to each cash distribution per Common Unit made by us on our Common Units promptly following each such distribution by us to our Unitholders. We refer to these rights as “distribution equivalent rights.” Under our equity incentive plans, our non-employee directors each receive grants with a five-year service vesting requirement.

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Index to Financial Statements

The following table shows the activity of the awards granted to employees and non-employee directors:

	Number of Units	Weighted Average Grant-Date Fair Value Per Unit
Unvested awards as of December 31, 2022	37.7	$	9.62
Awards granted	10.7	13.78
Awards vested	(7.7)	9.22
Awards forfeited	(1.6)	9.52
Unvested awards as of December 31, 2023	39.1	$	10.84

During the years ended December 31, 2023, 2022, and 2021, the weighted average grant-date fair value per unit award granted was $13.78, $11.56 and $8.46, respectively, and the total fair value of awards vested was $106 million, $103 million and $52 million, respectively, based on the market price of the respective Common Units as of the vesting date. As of December 31, 2023, a total of 39.1 million unit awards remain unvested, for which Energy Transfer expects to recognize a total of $279 million in compensation expense over a weighted average period of 3.0 years.

Cash Restricted Units. The Partnership has also granted cash restricted units, which vest through three years of service. A cash restricted unit entitles the award recipient to receive cash equal to the market value of one Energy Transfer Common Unit upon vesting. For the years ended December 31, 2023, 2022 and 2021, the Partnership granted a total of 3.2 million, 3.8 million and 3.9 million cash restricted units, respectively. As of December 31, 2023, a total of 6.9 million cash restricted units were unvested. As of December 31, 2023, the Partnership’s consolidated balance sheet reflected aggregate liabilities of $3.0 million related to cash restricted units.

Subsidiary Long-Term Incentive Plans

Each of Sunoco LP and USAC has granted restricted or phantom unit awards (collectively, the “Subsidiary Unit Awards”) to employees and directors that entitle the grantees to receive common units of the respective subsidiary. In some cases, at the discretion of the respective subsidiary’s compensation committee, the grantee may instead receive an amount of cash equivalent to the value of common units upon vesting. Substantially all of the Subsidiary Unit Awards are time-vested grants, which generally vest over a three or five-year period, that entitles the grantees of the unit awards to receive an amount of cash equal to the per unit cash distributions made by the respective subsidiaries during the period the restricted unit is outstanding.

The following table summarizes the activity of the Subsidiary Unit Awards:

	Sunoco LP			USAC
	Number of Units	Weighted  Average Grant-Date Fair Value Per Unit		Number of Units	Weighted  Average Grant-Date Fair Value Per Unit
Unvested awards as of December 31, 2022	1.8	$	34.29	2.1	$	14.21
Awards granted	0.4	53.37		0.5	23.13
Awards vested	(0.6)	28.35		(0.6)	13.29
Awards forfeited	—	34.64		(0.1)	17.50
Unvested awards as of December 31, 2023	1.6	$	41.08	1.9	$	17.08

The following table summarizes the weighted average grant-date fair value per unit award granted:

	Years Ended December 31,
	2023		2022		2021
Sunoco LP	$	53.37	$	43.54	$	37.72
USAC	23.13		18.31		14.92

The total fair value of Subsidiary Unit Awards vested for the years ended December 31, 2023, 2022 and 2021 was $37 million, $26 million and $24 million, respectively, based on the market price of Sunoco LP and USAC common units as of the vesting date. As of December 31, 2023, estimated compensation cost related to Subsidiary Unit Awards not yet

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Index to Financial Statements

recognized was $55 million, and the weighted average period over which this cost is expected to be recognized in expense is 3.5 years.

10.INCOME TAXES:

As a partnership, we are not subject to United States federal income tax and most state income taxes. However, the Partnership conducts certain activities through corporate subsidiaries which are subject to federal and state income taxes. The components of the federal and state income tax expense (benefit) of our taxable subsidiaries are summarized as follows:

	Years Ended December 31,
	2023		2022		2021
Current expense:
Federal	$	56	$	—	$	19
State	44		17		24
Total	100		17		43
Deferred expense (benefit):
Federal	227		239		246
State	(24)		(58)		(106)
Foreign	—		6		1
Total	203		187		141
Total income tax expense	$	303	$	204	$	184

Historically, our effective tax rate has differed from the statutory rate primarily due to partnership earnings that are not subject to United States federal and most state income taxes at the partnership level. A reconciliation of income tax expense at the United States statutory rate to the Partnership’s income tax benefit for the years ended December 31, 2023, 2022 and 2021 is as follows:

	Years Ended December 31,
	2023		2022		2021
Income tax expense at United States statutory rate	$	1,175	$	1,275	$	1,443
Increase (reduction) in income taxes resulting from:
Partnership earnings not subject to tax	(884)		(1,086)		(1,211)
Noncontrolling interests	—		26		—
State tax, net of federal tax benefit	47		19		85
Statutory rate change	(10)		(42)		(46)
Valuation allowance	(3)		(4)		(63)
Uncertain tax positions	(14)		(3)		(34)
Dividend received deduction	(3)		(3)		(4)
Foreign taxes	—		6		1
Other	(5)		16		13
Income tax expense	$	303	$	204	$	184

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Index to Financial Statements

Deferred taxes result from the temporary differences between financial reporting carrying amounts and the tax basis of existing assets and liabilities. The following table summarizes the principal components of the deferred tax assets (liabilities) as follows:

	December 31,
	2023		2022
Deferred income tax assets:
Net operating losses and other carryforwards	$	371	$	603
Other	46		60
Total deferred income tax assets	417		663
Valuation allowance	—		(19)
Net deferred income tax assets	417		644
Deferred income tax liabilities:
Property, plant and equipment	(232)		(218)
Investments in affiliates	(4,003)		(4,010)
Trademarks	(91)		(89)
Other	(22)		(28)
Total deferred income tax liabilities	(4,348)		(4,345)
Net deferred income taxes	$	(3,931)	$	(3,701)

As of December 31, 2023, ETP Holdco had a federal net operating loss carryforward of $1.4 billion, that can be carried forward indefinitely. A total of $341 million of the federal net operating loss carryforward is limited under IRC §382. Although we expect to fully utilize the IRC §382 limited federal net operating loss, the amount utilized in a particular year may be limited. As of December 31, 2023, Sunoco Retail LLC, a corporate subsidiary of Sunoco LP, had a state net operating loss carryforward of $75 million, which we expect to fully utilize. Sunoco Retail LLC has no federal net operating loss carryforward.

Our corporate subsidiaries have state net operating loss carryforward benefits of $75 million, net of federal tax, some of which expire between 2024 and 2042, while others are carried forward indefinitely. Our corporate subsidiaries have cumulative excess business interest expense of $136 million available for carryforward indefinitely, of which $23 million is limited under IRC §382.

The following table sets forth the changes in unrecognized tax benefits:

	Years Ended December 31,
	2023		2022		2021
Balance at beginning of year	$	52	$	56	$	90
Reduction attributable to tax positions taken in prior years	(9)		(4)		(34)
Settlements	(3)		—		—
Balance at end of year	$	40	$	52	$	56

As of December 31, 2023, we had $40 million ($38 million after federal income tax benefits) related to tax positions which, if recognized, would impact our effective tax rate.

Our policy is to accrue interest expense and penalties on income tax underpayments (overpayments) as a component of income tax expense. During 2023, we recognized an interest and penalty benefit of $7 million. At December 31, 2023, we have interest and penalties accrued of $11 million, net of tax.

In November 2015, the Pennsylvania Commonwealth Court determined in Nextel Communications v. Commonwealth (“Nextel”) that the Pennsylvania limitation on NOL carryforward deductions violated the uniformity clause of the Pennsylvania Constitution and struck the NOL limitation in its entirety. In October 2017, the Pennsylvania Supreme Court affirmed the decision with respect to the uniformity clause violation; however, the Court reversed with respect to the remedy and instead severed the flat-dollar limitation, leaving the percentage-based limitation intact. Nextel subsequently filed a petition for writ of certiorari with the United States Supreme Court, and this was denied on June 11, 2018. Certain Pennsylvania taxpayers have subsequently undertaken litigation in Pennsylvania state courts on issues not addressed by the

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Index to Financial Statements

Pennsylvania Supreme Court in Nextel, specifically, whether the Due Process and Equal Protection Clauses of the United States Constitution and the Remedies Clause of the Pennsylvania Constitution require a court to grant the taxpayer relief. On December 22, 2021, the Pennsylvania Supreme Court found in General Motors Corporation v. Commonwealth (“GM”) that the taxpayer was entitled to meaningful backwards looking relief under the Due Process Clause, meaning the Commonwealth must equalize the taxpayer’s position with taxpayers who were not affected by the NOL cap in place for the year at issue. The Court therefore held the taxpayer was entitled to a refund by calculating its tax for that year with an uncapped NOL deduction. We believe the Pennsylvania Supreme Court’s ruling in GM will more likely than not be upheld if challenged by the Commonwealth. ETC Sunoco previously recognized approximately $67 million ($53 million after federal income tax benefits) in tax benefit based on previously filed tax returns and certain previously filed protective claims as relates to its cases currently held pending the Nextel matter. In addition, based upon the Pennsylvania Supreme Court’s October 2017 decision, and because of uncertainty in the breadth of the application of the decision, ETC Sunoco previously reserved $34 million ($27 million after federal income tax benefits) against the receivable. Subsequent to the Pennsylvania Supreme Court’s decision in GM, the reserve has been reversed and the entire tax benefit of $34 million ($27 million after federal income tax benefit) has been recognized by the Partnership.

The Partnership’s 2020 U.S. Federal income tax return is currently under examination by the Internal Revenue Service. The IRS is auditing Crestwood’s 2020 U.S. Federal income tax return. In general, Energy Transfer and its subsidiaries are no longer subject to examination by the IRS, and most state jurisdictions, for the 2018 and prior tax years.

USAC is currently under examination by the IRS for years 2019 and 2020. Energy Transfer and its other subsidiaries also have various state and local income tax returns in the process of examination or administrative appeal in various jurisdictions. We believe the appropriate accruals or unrecognized tax benefits have been recorded for any potential assessment with respect to these examinations.

11.REGULATORY MATTERS, COMMITMENTS, CONTINGENCIES AND ENVIRONMENTAL LIABILITIES:

FERC Proceedings

Rover – FERC - Stoneman House

In late 2016, FERC Enforcement Staff began a non-public investigation related to Rover’s purchase and removal of a potentially historic home (known as the Stoneman House) while Rover’s application for permission to construct the new 711-mile interstate natural gas pipeline and related facilities was pending. On March 18, 2021, FERC issued an Order to Show Cause and Notice of Proposed Penalty (Docket No. IN19-4-000), ordering Rover to explain why it should not pay a $20 million civil penalty for alleged violations of FERC regulations requiring certificate holders to be forthright in their submissions of information to the FERC. Rover filed its answer and denial to the order on June 21, 2021 and a surreply on September 15, 2021. FERC issued an order on January 20, 2022 setting the matter for hearing before an administrative law judge. The hearing was set to commence on March 6, 2023; as explained below, this FERC proceeding has been stayed.

On February 1, 2022, Energy Transfer and Rover filed a Complaint for Declaratory Relief in the United States District Court for the Northern District of Texas (“Federal District Court”) seeking an order declaring that FERC must bring its enforcement action in federal district court (instead of before an administrative law judge). Also on February 1, 2022, Energy Transfer and Rover filed an expedited request to stay the proceedings before the FERC administrative law judge pending the outcome of the Federal District Court case. On May 24, 2022, the Federal District Court ordered a stay of the FERC’s enforcement case and the District Court case pending the resolution of two cases pending before the United States Supreme Court. Arguments were heard in those cases on November 7, 2022. On April 14, 2023, the United States Supreme Court held against the government in both cases, finding that the federal district courts had jurisdiction to hear those suits and to resolve the parties’ constitutional challenges. The cases were remanded to the federal district courts for further proceedings.

On September 13, 2023 the District Court ordered that the District Court case would be stayed pending the resolution of another case pending before the United States Supreme Court and that the FERC enforcement case would remain stayed. Energy Transfer and Rover intend to vigorously defend this claim. On November 13, 2023, the FERC appealed the District Court order to the United States Court of Appeals for the Fifth Circuit. On December 11, 2023, FERC filed a motion to withdraw that appeal, which the Fifth Circuit granted on December 12, 2023. The FERC and District Court proceedings remain stayed pending resolution of the case pending before the United States Supreme Court. A decision on that Supreme Court case is expected by June 2024.

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Index to Financial Statements

Rover – FERC - Tuscarawas

In mid-2017, FERC Enforcement Staff began a non-public investigation regarding allegations that diesel fuel may have been included in the drilling mud at the Tuscarawas River horizontal directional drilling (“HDD”) operations. Rover and the Partnership are cooperating with the investigation. In 2019, Enforcement Staff provided Rover with a notice pursuant to Section 1b.19 of the FERC regulations that Enforcement Staff intended to recommend that the FERC pursue an enforcement action against Rover and the Partnership. On December 16, 2021, FERC issued an Order to Show Cause and Notice of Proposed Penalty (Docket No. IN17-4-000), ordering Rover and Energy Transfer to show cause why they should not be found to have violated Section 7(e) of the NGA, Section 157.20 of FERC’s regulations, and the Rover Pipeline Certificate Order, and assessed civil penalties of $40 million.

Rover and Energy Transfer filed their answer to this order on March 21, 2022, and Enforcement Staff filed a reply on April 20, 2022. Rover and Energy Transfer filed their surreply to this order on May 13, 2022. FERC has taken no further action on the case since that time. The primary contractor (and one of the subcontractors) responsible for the HDD operations of the Tuscarawas River site have agreed to indemnify Rover and the Partnership for any and all losses, including any fines and penalties from government agencies, resulting from their actions in conducting such HDD operations. Given the stage of the proceedings, the Partnership is unable at this time to provide an assessment of the potential outcome or range of potential liability, if any; however, the Partnership believes the indemnity described above will be applicable to the penalty proposed by Enforcement Staff and intends to vigorously defend itself against the subject claims.

Other FERC Proceedings

By an order issued on January 16, 2019, the FERC initiated a review of Panhandle’s then existing rates pursuant to Section 5 of the NGA to determine whether the rates charged by Panhandle are just and reasonable and set the matter for hearing. On August 30, 2019, Panhandle filed a general rate proceeding under Section 4 of the NGA. The NGA Section 5 and Section 4 proceedings were consolidated by order of the Chief Judge on October 1, 2019. The initial decision by the administrative law judge was issued on March 26, 2021, and on December 16, 2022, the FERC issued its order on the initial decision. On January 17, 2023, Panhandle and the Michigan Public Service Commission each filed a request for rehearing of FERC’s order on the initial decision, which were denied by operation of law as of February 17, 2023. On March 23, 2023, Panhandle appealed these orders to the United States Court of Appeals for the District of Columbia Circuit (“Court of Appeals”), and the Michigan Public Service Commission also subsequently appealed these orders. On April 25, 2023, the Court of Appeals consolidated Panhandle’s and Michigan Public Service Commission’s appeals and stayed the consolidated appeal proceeding while the FERC further considered the requests for rehearing of its December 16, 2022 order. On September 25, 2023, the FERC issued its order addressing arguments raised on rehearing and compliance, which denied our requests for rehearing. Panhandle has timely filed its Petition for Review with the Court of Appeals regarding the September 25, 2023 order. On October 25, 2023, Panhandle filed a limited request for rehearing of the September 25 order addressing arguments raised on rehearing and compliance, which was subsequently denied by operation of law on November 27, 2023. On November 30, 2023, Panhandle submitted a refund report regarding the consolidated rate proceedings, which has been protested by several parties. On January 5, 2024, the FERC issued a second order addressing arguments raised on rehearing in which it modified certain discussion from its September 25, 2023 order and sustained its prior conclusions. Panhandle has timely filed its Petition for Review with the Court of Appeals regarding the January 5, 2024 order.

On December 1, 2022, Sea Robin filed a rate case pursuant to Section 4 of the NGA. By order dated June 29, 2023, a revised procedural schedule was adopted in this proceeding setting the commencement of the hearing for January 9, 2024, with an initial decision anticipated by May 21, 2024. Subsequently, by Order of the Acting Chief Administrative Law Judge, deadlines in the procedural schedule were extended, including revised hearing commencement and initial decisions deadlines to March 26, 2024 and August 8, 2024, respectively. On November 29, 2023, the parties reached a settlement in principle and the settlement was filed with the FERC on December 29, 2023.

In May 2021, the FERC commenced an audit of SPLP for the period from January 1, 2018 to present to evaluate SPLP’s compliance with its FERC oil tariffs, the accounting requirements of the Uniform System of Accounts as prescribed by the FERC, and the FERC’s Form No. 6 reporting requirements. An audit report was received in September 2023 noting no issues that would have a material impact on the Partnership's financial position or results of operations.

Commitments

In the normal course of business, Energy Transfer purchases, processes and sells natural gas pursuant to long-term contracts and enters into long-term transportation and storage agreements. Such contracts contain terms that are customary in the industry. Energy Transfer believes that the terms of these agreements are commercially reasonable and will not have a material adverse effect on the Partnership’s financial position or results of operations.

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Our joint venture agreements require that we fund our proportionate share of capital contributions to our unconsolidated affiliates. Such contributions will depend upon the unconsolidated affiliates’ capital requirements, such as for funding capital projects or repayment of long-term obligations.

We have certain non-cancelable rights-of-way (“ROW”) commitments which require fixed payments and either expire upon our chosen abandonment or at various dates in the future. The following table reflects ROW expense included in operating expenses in the accompanying consolidated statements of operations:

	Years Ended December 31,
	2023		2022		2021
ROW expense	$	68	$	64	$	48

Litigation and Contingencies

We may, from time to time, be involved in litigation and claims arising out of our operations in the normal course of business. Due to the flammable and combustible nature of natural gas and crude oil, the potential exists for personal injury and/or property damage to occur in connection with their transportation, storage or use. In the ordinary course of business, we are sometimes threatened with or named as a defendant in various lawsuits seeking actual and punitive damages for product liability, personal injury and property damage. We maintain liability insurance with insurers in amounts and with coverage and deductibles management believes are reasonable and prudent, and which are generally accepted in the industry. However, there can be no assurance that the levels of insurance protection currently in effect will continue to be available at reasonable prices or that such levels will remain adequate to protect us from material expenses related to product liability, personal injury or property damage in the future.

We or our subsidiaries are parties to various legal proceedings, arbitrations and/or regulatory proceedings incidental to our businesses. For each of these matters, we evaluate the merits of the case, our exposure to the matter, possible legal or settlement strategies, the likelihood of an unfavorable outcome and the availability of insurance coverage. If we determine that an unfavorable outcome of a particular matter is probable and can be estimated, we accrue the contingent obligation, as well as any expected insurance recoverable amounts related to the contingency. As new information becomes available, our estimates may change. The impact of these changes may have a significant effect on our results of operations in a single period.

As of December 31, 2023 and 2022, accruals of approximately $285 million and $200 million, respectively, were reflected on our consolidated balance sheets related to contingent obligations that met both the probable and reasonably estimable criteria. In addition, we may recognize additional contingent losses in the future related to (i) contingent matters for which a loss is currently considered reasonably possible but not probable and/or (ii) losses in excess of amounts that have already been accrued for such contingent matters. In some of these cases, we are not able to estimate possible losses or a range of possible losses in excess of amounts accrued. For such matters where additional contingent losses can be reasonably estimated, the range of additional losses is estimated to be up to approximately $200 million.

The outcome of these matters cannot be predicted with certainty and there can be no assurance that the outcome of a particular matter will not result in the payment of amounts that have not been accrued for the matter. Furthermore, we may revise accrual amounts or our estimates of reasonably possible losses prior to resolution of a particular contingency based on changes in facts and circumstances or changes in the expected outcome.

The following sections include descriptions of certain matters that could impact the Partnership’s financial position, results of operations and/or cash flows in future periods. The following sections also include updates to certain matters that have previously been disclosed, even if those matters are not anticipated to have a potentially significant impact on future periods. In addition to the matters disclosed in the following sections, the Partnership is also involved in multiple other matters that could impact future periods, including other lawsuits and arbitration related to the Partnership’s commercial agreements. With respect to such matters, contingencies that met both the probable and reasonably estimable criteria have been included in the accruals disclosed above, and the range of additional losses disclosed above also reflects any relevant amounts for such matters.

Dakota Access Pipeline

On July 27, 2016, the Standing Rock Sioux Tribe (“SRST”) filed a lawsuit in the United States District Court for the District of Columbia (“District Court”) challenging permits issued by the United States Army Corps of Engineers (“USACE”) that allowed Dakota Access to cross the Missouri River at Lake Oahe in North Dakota. The case was subsequently amended to challenge an easement issued by the USACE that allowed the pipeline to cross land owned by the

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USACE adjacent to the Missouri River. Dakota Access and the Cheyenne River Sioux Tribe (“CRST”) intervened. Separate lawsuits filed by the Oglala Sioux Tribe (“OST”) and the Yankton Sioux Tribe (“YST”) were consolidated with this action and several individual tribal members intervened (collectively, with SRST and CRST, the “Tribes”). On March 25, 2020, the District Court remanded the case back to the USACE for preparation of an Environment Impact Statement (“EIS”). On July 6, 2020, the District Court vacated the easement and ordered the Dakota Access Pipeline to be shut down and emptied of oil by August 5, 2020. Dakota Access and the USACE appealed to the Court of Appeals which granted an administrative stay of the District Court’s July 6 order and ordered further briefing on whether to fully stay the July 6 order. On August 5, 2020, the Court of Appeals (1) granted a stay of the portion of the District Court order that required Dakota Access to shut the pipeline down and empty it of oil, (2) denied a motion to stay the March 25 order pending a decision on the merits by the Court of Appeals as to whether the USACE would be required to prepare an EIS and (3) denied a motion to stay the District Court’s order to vacate the easement during this appeal process. The August 5 order also states that the Court of Appeals expected the USACE to clarify its position with respect to whether USACE intended to allow the continued operation of the pipeline notwithstanding the vacatur of the easement and that the District Court may consider additional relief, if necessary.

On August 10, 2020, the District Court ordered the USACE to submit a status report by August 31, 2020, clarifying its position with regard to its decision-making process with respect to the continued operation of the pipeline. On August 31, 2020, the USACE submitted a status report that indicated that it considered the presence of the pipeline at the Lake Oahe crossing without an easement to constitute an encroachment on federal land, and that it was still considering whether to exercise its enforcement discretion regarding this encroachment. The Tribes subsequently filed a motion seeking an injunction to stop the operation of the pipeline and both USACE and Dakota Access filed briefs in opposition of the motion for injunction. The motion for injunction was fully briefed as of January 8, 2021.

On January 26, 2021, the Court of Appeals affirmed the District Court’s March 25, 2020 order requiring an EIS and its July 6, 2020 order vacating the easement. In this same January 26 order, the Court of Appeals also overturned the District Court’s July 6, 2020 order that the pipeline shut down and be emptied of oil. Dakota Access filed for rehearing en banc on April 12, 2021, which the Court of Appeals denied. On September 20, 2021, Dakota Access filed a petition with the U.S. Supreme Court to hear the case. Oppositions were filed by the Solicitor General (December 17, 2021) and the Tribes (December 16, 2021). Dakota Access filed their reply on January 4, 2022. On February 22, 2022, the U.S. Supreme Court declined to hear the case.

The District Court scheduled a status conference for February 10, 2021 to discuss the effects of the Court of Appeals’ January 26, 2021 order on the pending motion for injunctive relief, as well as USACE’s expectations as to how it will proceed regarding its enforcement discretion regarding the easement. On May 3, 2021, USACE advised the District Court that it had not changed its position with respect to its opposition to the Tribes’ motion for injunction. On May 21, 2021, the District Court denied the plaintiffs’ request for an injunction. On June 22, 2021, the District Court terminated the consolidated lawsuits and dismissed all remaining outstanding counts without prejudice.

On September 8, 2023, the USACE published the Draft EIS. Comments to the Draft EIS were due on December 13, 2023. The USACE anticipates that a Final EIS and Record of Decision would be issued in 2024. The pipeline continues to operate pending completion of the EIS. Energy Transfer cannot determine when or how future lawsuits will be resolved or the impact they may have on the Bakken Pipeline, which consists of both Dakota Access and the Energy Transfer Crude Oil Pipeline; however, Energy Transfer expects that after the law and complete record are fully considered, any such proceeding will be resolved in a manner that will allow the pipeline to continue to operate.

In addition, lawsuits and/or regulatory proceedings or actions of this or a similar nature could result in interruptions to construction or operations of current or future projects, delays in completing those projects and/or increased project costs, all of which could have an adverse effect on our business and results of operations.

Louisiana Dispute with New Generation Gas Gathering LLC

On August 31, 2023, Energy Partners, LP and ETC Texas Pipeline, LTD—corrected the next day to be ETC Texas Pipeline, Ltd, Gulf Run Transmission LLC, Enable Midstream Partners LP and ETC Tiger Pipeline LLC (collectively “Energy Transfer”), filed a petition for declaratory judgment against New Generation Gas Gathering LLC (“NG3”) in the 42nd Judicial District Court of DeSoto Parish, Louisiana. In relation to seven specific servitudes in DeSoto Parish, Louisiana underlying Energy Transfer natural gas pipelines, Energy Transfer requested declarations from the Court that pursuant to Louisiana Civil Code Article 720, NG3 must obtain Energy Transfer’s permission to install NG3’s proposed pipelines across the Energy Transfer servitudes so that Energy Transfer may determine if NG3’s proposed installation of its proposed pipelines would interfere with Energy Transfer’s use of its existing servitudes.

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On November 13, 2023, NG3 filed its answer and reconventional demand, a Louisiana term for counterclaim, asserting six causes of action against of all the entities asserting the claim as well as Energy Transfer LP. In Count I, NG3 seeks declaratory judgment that Energy Transfer lacks the right to object to its proposed crossings of Energy Transfer’s natural gas pipelines that adversely affect Energy Transfer. In Counts II–VI, NG3 asserts five causes of action alleging that Energy Transfer’s objection and lawsuit seeking court determination that it has the right to object to NG3’s request to cross Energy Transfer’s pipelines more than one hundred times constitutes tortious conduct, an abuse of Energy Transfer’s rights, an unfair trade practice, and a violation of Louisiana Monopolies Act sections prohibiting conspiracies and monopolies/attempted monopolies.

On December 7, 2023, the trial court set the deadline for Energy Transfer to respond to NG3’s reconventional demand as February 9, 2024, set a hearing on any exceptions for March 25, 2024, and tentatively set a trial date for September 9, 2024. The parties have begun written discovery. The Court’s schedule is subject to dispute among the parties and has not yet been resolved by the Court.

On February 7, 2024, the Attorney General for the State of Louisiana, Public Protection Division (the “AG”) gave notice of a complaint filed by NG3. NG3 asserts that Energy Transfer violated Louisiana Revised Statutes 51:1401, et seq., the Unfair Trade Practices and Consumer Protection Law. The AG has not investigated this matter and it makes no determination as to the merits of same.

Energy Transfer cannot predict the ultimate outcome of this litigation but intends to vigorously defend themselves.

Mont Belvieu Incident

On June 26, 2016, a hydrocarbon storage well located on another operator’s facility adjacent to Lone Star NGL Mont Belvieu LP’s (“Lone Star,” now known as Energy Transfer Mont Belvieu NGLs LP) facilities in Mont Belvieu, Texas experienced an over-pressurization resulting in a subsurface release. The subsurface release caused a fire at Lone Star’s South Terminal and damage to Lone Star’s storage well operations at its South and North Terminals. Normal operations resumed at the facilities in the fall of 2016, with the exception of one of Lone Star’s storage wells at the North Terminal that has not been returned to service. Lone Star has obtained payment for most of the losses it has submitted to the adjacent operator. Lone Star continues to quantify and seek reimbursement for outstanding losses.

MTBE Litigation

ETC Sunoco and Energy Transfer R&M (collectively, “Sunoco Defendants”) are defendants in lawsuits alleging MTBE contamination of groundwater. The plaintiffs, state-level governmental entities, assert product liability, nuisance, trespass, negligence, violation of environmental laws and/or deceptive business practices claims. The plaintiffs seek to recover compensatory damages, and in some cases also seek natural resource damages, injunctive relief, punitive damages and attorneys’ fees.

As of December 31, 2023, Sunoco Defendants are defendants in two cases: one case initiated by the State of Maryland and one by the Commonwealth of Pennsylvania. The actions brought also named as defendants ETO, ETP Holdco Corporation and Sunoco Partners Marketing & Terminals L.P., now known as Energy Transfer Marketing & Terminals L.P. ETP Holdco Corporation and Energy Transfer Marketing & Terminals L.P. are wholly owned subsidiaries of Energy Transfer.

It is reasonably possible that a loss may be realized in the remaining cases; however, we are unable to estimate the possible loss or range of loss in excess of amounts accrued. An adverse determination with respect to one or more of the MTBE cases could have a significant impact on results of operations during the period in which any such adverse determination occurs, but such an adverse determination likely would not have a material adverse effect on the Partnership’s consolidated financial position.

Litigation Filed By or Against Williams

In April and May 2016, The Williams Companies, Inc. (“Williams”) filed two lawsuits (the “Williams Litigation”) against Energy Transfer, LE GP, LLC, and, in one of the lawsuits, Energy Transfer Corp LP, ETE Corp GP, LLC, and Energy Transfer Equity GP, LLC (collectively, “Energy Transfer Defendants”) in the Delaware Court of Chancery (“the Court”), alleging that the Energy Transfer Defendants breached their obligations under the Energy Transfer-Williams merger agreement (the “Merger Agreement”). In general, Williams alleges that the Energy Transfer Defendants breached the Merger Agreement by (a) failing to use commercially reasonable efforts to obtain from Latham & Watkins LLP (“Latham”) the delivery of a tax opinion concerning Section 721 of the Internal Revenue Code (“721 Opinion”), (b) issuing the Partnership’s Series A convertible preferred units (the “Issuance”) and (c) making allegedly untrue representations and

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warranties in the Merger Agreement. Williams asked the Court to compel the Energy Transfer Defendants to close the merger or take various other affirmative actions.

After a two-day trial on June 20 and 21, 2016, the Court ruled in favor of the Energy Transfer Defendants and issued a declaratory judgment that Energy Transfer could terminate the merger after June 28, 2016 because of Latham’s inability to provide the required 721 Opinion. The Court did not reach a decision regarding Williams’ claims related to the Issuance or certain of the alleged untrue representations and warranties. On March 23, 2017, the Delaware Supreme Court affirmed this ruling on the June 2016 trial. In September 2016, the parties filed amended pleadings. Williams filed an amended complaint seeking a $410 million termination fee (the “Termination Fee”) based on the alleged breaches of the Merger Agreement listed above. The Energy Transfer Defendants filed amended counterclaims and affirmative defenses, asserting that Williams materially breached the Merger Agreement by, among other things, (a) modifying and qualifying its board recommendation in a manner adverse to the merger, (b) failing to use its reasonable best efforts to consummate the merger, (c) failing to provide material information to Energy Transfer for inclusion in the Form S-4 related to the merger, (d) failing to facilitate the financing of the merger and (e) breaching the Merger Agreement’s forum-selection clause. The Energy Transfer Defendants sought a $1.48 billion termination fee under the Merger Agreement and additional damages caused by Williams’ misconduct.

On September 29, 2016, Williams filed a motion to dismiss the Energy Transfer Defendants’ amended counterclaims and to strike certain of the Energy Transfer Defendants’ affirmative defenses. On December 1, 2017, the Court issued a Memorandum Opinion granting in part and denying in part Williams’ motion to dismiss. The Court dismissed, among other things, the Energy Transfer Defendants’ claim for a $1.48 billion termination fee.

Trial was held on all remaining claims on May 10-17, 2021, and on December 29, 2021, the Court ruled in favor of Williams and awarded it the Termination Fee plus certain fees and expenses, holding that the Issuance breached the Merger Agreement and that Williams had not materially breached the Merger Agreement, though the Court awarded sanctions against Williams due to its CEO’s intentional spoliation of evidence. The Court subsequently awarded Williams approximately $190 million in attorneys’ fees, expenses and pre-judgment interest.

On September 21, 2022, the Court entered a final judgment against the Energy Transfer Defendants in the amount of approximately $601 million plus post-judgment interest at a rate of 3.5% per year, compounded quarterly. The Energy Transfer Defendants filed a notice of appeal on October 21, 2022 and filed their opening brief in support of their appeal on December 30, 2022. Williams filed their answering brief on January 20, 2023, and the Energy Transfer Defendants filed their reply brief on February 6, 2023. The Delaware Supreme Court heard oral argument on July 12, 2023.

On October 10, 2023, the Delaware Supreme Court affirmed. On October 25, 2023, Energy Transfer Defendants filed a motion for reargument. On November 17, 2023, the Delaware Supreme Court denied the motion.

The mandate issued upon the disposition of that motion; at which time the previously-stayed judgment became effective, plus additional post-judgment interest.

The Energy Transfer Defendants paid the judgment (in the amount of approximately $627 million) on November 28, 2023, concluding this matter.

Rover - State of Ohio

On November 3, 2017, the State of Ohio and the Ohio Environmental Protection Agency (“Ohio EPA”) filed suit against Rover and other defendants (collectively, the “Defendants”) seeking to recover approximately $2.6 million in civil penalties allegedly owed and certain injunctive relief related to permit compliance. The Defendants filed several motions to dismiss, which were granted on all counts. The Ohio EPA appealed, and on December 9, 2019, the Fifth District Court of Appeals entered a unanimous judgment affirming the trial court. The Ohio EPA sought review from the Ohio Supreme Court. On April 22, 2020, the Ohio Supreme Court granted the review. On March 17, 2022, the Ohio Supreme Court reversed in part and remanded to the Ohio trial court. The Ohio Supreme Court agreed with Rover that the State of Ohio had waived its rights under Section 401 of the Clean Water Act but remanded to the trial court to determine whether any of the allegations fell outside the scope of the waiver.

On remand, the Ohio EPA voluntarily dismissed four of the other five defendants and dismissed one of its counts against Rover. In its Fourth Amended Complaint, the Ohio EPA removed all paragraphs that alleged violations by the four dismissed defendants, including those where the dismissed defendants were alleged to have acted jointly with Rover or others. At a June 2, 2022, status conference, the trial judge set a schedule for Rover and the other remaining defendant to file motions to dismiss the Fourth Amended Complaint. On August 1, 2022, Rover and the other remaining defendant each

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filed their respective motions. Briefing on those motions was completed on November 4, 2022. By order issued on October 20, 2023, the trial judge dismissed the Ohio EPA’s Fourth Amended Complaint.

On November 17, 2023, the State of Ohio appealed the trial judge’s decision to Ohio’s Fifth District Court of Appeals. The State filed its initial brief on January 8, 2024 and Energy Transfer’s and Rover’s responsive brief is currently due February 20, 2024. Energy Transfer and Rover intend to vigorously defend this claim.

Unitholder Litigation Regarding Pipeline Construction

Various purported unitholders of Energy Transfer have filed derivative actions against various past and current members of Energy Transfer’s Board of Directors, LE GP, LLC, and Energy Transfer, as a nominal defendant that assert claims for breach of fiduciary duties, unjust enrichment, waste of corporate assets, breach of Energy Transfer’s Partnership Agreement, tortious interference, abuse of control and gross mismanagement related primarily to matters involving the construction of pipelines in Pennsylvania and Ohio. They also seek damages and changes to Energy Transfer’s corporate governance structure. See Bettiol v. LE GP, Case No. 3:19-cv-02890-X (N.D. Tex.); Davidson v. Kelcy L. Warren, Cause No. DC-20-02322 (44th Judicial District of Dallas County, Texas); Harris v. Kelcy L. Warren, Case No. 2:20-cv-00364-GAM (E.D. Pa.); Barry King v. LE GP, Case No. 3:20-cv-00719-X (N.D. Tex.); Inter-Marketing Group USA, Inc. v. LE GP, et al., Case No. 2022-0139-SG (Del. Ch.); Elliot v. LE GP LLC, Case No. 3:22-cv-01527-B (N.D. Tex.); Chapa v. Kelcy L. Warren, et al., Index No. 611307/2022 (N.Y. Sup. Ct.); Elliott v. LE GP et al, Cause No. DC-22-14194 (Dallas County, Tex.); and Charles King v. LE GP, LLC et al, Cause No. DC-22-14159 (Dallas County, Texas). The Barry King action that was filed in the United States District Court for the Northern District of Texas (Case No. 3:20-cv-00719-X) has been consolidated with the Bettiol action. On August 9, 2022, the Elliot action that was filed in the United States District Court for the Northern District of Texas (Case No. 3:22-cv-01527-B) was voluntarily dismissed.

Another purported unitholder of Energy Transfer, Allegheny County Employees’ Retirement System (“ACERS”), individually and on behalf of all others similarly situated, filed a suit under the federal securities laws purportedly on behalf of a class, against Energy Transfer and three of Energy Transfer’s directors: Kelcy L. Warren, John W. McReynolds and Thomas E. Long. See Allegheny County Emps.’ Ret. Sys. v. Energy Transfer LP, Case No. 2:20-00200-GAM (E.D. Pa.). On June 15, 2020, ACERS filed an amended complaint and added as additional defendants Energy Transfer directors Marshall S. McCrea and Matthew S. Ramsey, as well as Michael J. Hennigan and Joseph McGinn. The amended complaint asserts claims for violations of Sections 10(b) and 20(a) of the Exchange Act and Rule 10b-5 promulgated thereunder related primarily to matters involving the construction of pipelines in Pennsylvania. On August 14, 2020, the defendants filed a motion to dismiss ACERS’ amended complaint. On April 6, 2021, the court granted in part and denied in part the defendants’ motion to dismiss. The court held that ACERS could proceed with its claims regarding certain statements put at issue by the amended complaint while also dismissing claims based on other statements. The court also dismissed without prejudice the claims against defendants McReynolds, McGinn and Hennigan. Discovery is ongoing. On August 23, 2022, the court granted in part and denied in part ACERS’ motion for class certification. The court certified a class consisting of those who purchased or otherwise acquired common units of Energy Transfer between February 25, 2017 and November 11, 2019.

On June 3, 2022, another purported unitholder of Energy Transfer, Mike Vega, filed suit, purportedly on behalf of a class, against Energy Transfer and Messrs. Warren, Long, McCrea and Whitehurst. See Vega v. Energy Transfer LP et al., Case No. 1:22-cv-4614 (S.D.N.Y.). The action asserts claims for violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder related primarily to statements made in connection with the construction of Rover. On August 10, 2022, the court appointed the New Mexico State Investment Council and Public Employees Retirement Association of New Mexico (the “New Mexico Funds”) as lead plaintiffs. New Mexico Funds filed an amended complaint on September 30, 2022 and added as additional defendants Energy Transfer directors John W. McReynolds and Matthew S. Ramsey. On November 7, 2022, the court granted the defendants’ motion to transfer and transferred this action to the United States District Court for the Northern District of Texas. On January 27, 2023, the defendants filed their motion to dismiss the New Mexico Funds’ amended complaint.

The defendants cannot predict the outcome of these lawsuits or any lawsuits that might be filed subsequent to the date of this filing, nor can the defendants predict the amount of time and expense that will be required to resolve these lawsuits. However, the defendants believe that the claims are without merit and intend to vigorously contest them.

Cline Class Action

On July 7, 2017, Perry Cline filed a class action complaint in the Eastern District of Oklahoma against Sunoco, Inc. (R&M), LLC (now known as Energy Transfer R&M) and Energy Transfer Marketing & Terminals L.P. (collectively, “ETMT”) that alleged ETMT failed to make timely payments of oil and gas proceeds from Oklahoma wells and to pay statutory interest for those untimely payments. On October 3, 2019, the District Court certified a class to include all persons

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who received untimely payments from Oklahoma wells on or after July 7, 2012, and who have not already been paid statutory interest on the untimely payments (the “Class”). Excluded from the Class are those entitled to payments of proceeds that qualify as “minimum pay,” prior period adjustments and pass through payments, as well as governmental agencies and publicly traded oil and gas companies.

After a bench trial, on August 17, 2020, Judge John Gibney (sitting from the Eastern District of Virginia) issued an opinion that awarded the Class actual damages of $74.8 million for late payment interest for identified and unidentified royalty owners and interest-on-interest. This amount was later amended to $80.7 million to account for interest accrued from trial (the “Order”). Judge Gibney also awarded punitive damages in the amount of $75 million. The Class is also seeking attorneys’ fees.

On August 27, 2020, ETMT filed its Notice of Appeal with the 10th Circuit Court of Appeals (“10th Circuit”) and appealed the entirety of the Order. The matter was fully briefed, and oral argument was set for November 15, 2021. However, on November 1, 2021, the 10th Circuit dismissed the appeal due to jurisdictional concerns with finality of the Order. En banc rehearing of this decision was denied on November 29, 2021. On December 1, 2021, ETMT filed a Petition for Writ of Mandamus to the 10th Circuit to correct the jurisdictional problems and secure final judgment. On February 2, 2022, the 10th Circuit denied the Petition for Writ of Mandamus, citing that there are other avenues for ETMT to obtain adequate relief. On February 10, 2022, ETMT filed a Motion to Modify the Plan of Allocation Order and Issue a Rule 58 Judgment with the trial court, requesting the District Court to enter a final judgment in compliance with the Rules. ETMT also filed an injunction with the trial court to enjoin all efforts by plaintiffs to execute on any non-final judgment. On March 31, 2022, Judge Gibney denied the Motion to Modify the Plan of Allocation, reiterating his thoughts that the order constitutes a final judgment. Judge Gibney granted the injunction in part (placing a hold on enforcement efforts for 60 days) and denied the injunction in part. The injunction has since been lifted.

Despite the fact that ETMT has taken the position that the judgment is not final and not subject to execution, the Class engaged in asset discovery and actively tried to collect on the judgment through garnishment proceedings from ETMT’s customers. ETMT unsuccessfully tried to deposit the funds into the District Court’s Registry. Accordingly, to stop the garnishment proceedings, on December 2, 2022, ETMT wired approximately $161 million to the Plaintiff’s approved Plan Administrator, which represented at the time the full amount of the judgment with attorney’s fees and post-judgment interest. ETMT did so without waiving its ability to pursue its pending appeal or its right to appeal the merits of the judgment. Plaintiff has since dismissed the garnishment actions.

ETMT cannot predict the outcome of the case, nor can ETMT predict the amount of time and expense that will be required to resolve the appeal. ETMT has been vigorous and diligent in its appeals relating to the finality issues underlying the Order and appealed the denial of the Motion to Modify to the 10th Circuit in an attempt to get a decision on finality. The appeal was fully briefed, and oral argument was held on March 21, 2023. On August 3, 2023, the 10th Circuit ruled in favor of ETMT and found that the district court’s plan of allocation (which was part of the final judgment) did not satisfy all finality requirements. The Court held that the district court abused its discretion in denying ETMT’s Rule 60(b)(6) Motion to Modify and reversed and remanded for further proceedings. The case was sent back to the trial court so that the district court could fix the finality requirements with the judgment. Further, ETMT sought and recovered a return of funds deposited with the Plan Administrator; Class Counsel did not oppose this motion.

At a status hearing on September 28, 2023, Class Counsel indicated that it would seek additional interest up until the date that the final judgment is entered. The District Court asked for briefing on the issue of additional interest and held a hearing on October 17, 2023 to address this issue further and enter a ruling as to whether additional interest should be added to the judgment total. During the hearing, the District Court ruled that additional interest should be awarded at the 12% statutory rate from the date of the prior improper judgment up until October 17, 2023. However, the Judge tolled the running of interest for the time period during which the Plan Administrator was in possession of ETMT’s funds (between November 2, 2022 and October 10, 2023). Based on this ruling, the Class calculated that approximately $23 million in additional interest should be added to the final judgment. On October 19, 2023, the District Court entered the new final judgment with a corrected Plan of Allocation. Both parties agree that this newly entered judgment fixes the finality concerns and will allow an appeal to the 10th Circuit on the merits. With the inclusion of additional interest, the total amount awarded to the Plaintiffs is approximately $104 million in actual damages and $75 million in punitive damages. ETMT intends on appealing the entirety of the judgment and filed its Notice of Appeal to the Tenth Circuit on December 15, 2023.

Energy Transfer LP and ETC Texas Pipeline, Ltd. v. Culberson Midstream LLC, et al.

On April 8, 2022, Energy Transfer and ETC Texas Pipeline, Ltd. (“ETC,” and together with Energy Transfer, “Plaintiffs”) filed suit against Culberson Midstream LLC (“Culberson”), Culberson Midstream Equity, LLC (“Culberson Equity”), and Moontower Resources Gathering, LLC (“Moontower”). On October 1, 2018, ETC and Culberson entered into a Gas

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Gathering and Processing Agreement (the “Bypass GGPA”) under which Culberson was to gather gas from its dedicated acreage and deliver all committed gas exclusively to ETC. In connection with the Bypass GGPA, on October 18, 2018, Energy Transfer and Culberson Equity also entered into an Option Agreement. Under the Option Agreement, Culberson Equity and Moontower had the right (but not the obligation) to require Energy Transfer to purchase their respective interests in Culberson by way of a put option. Notably, the Option Agreement is only enforceable so long as the parties comply with the Bypass GGPA. In late March 2022, Culberson Equity and Moontower submitted a put notice to Energy Transfer seeking to require Energy Transfer to purchase their respective interests in Culberson for approximately $93 million. On April 8, 2022, Plaintiffs filed suit against Culberson, Culberson Equity and Moontower asserting claims for declaratory judgment and breach of contract, contending that they materially breached the Bypass GGPA by sending some committed gas to third parties and also by failing to send any gas to Plaintiffs since March 2020, and thus that Culberson Equity’s and Moontower’s put notice is void. Culberson, Culberson Equity, and Moontower have answered the lawsuit. Additionally, Culberson filed a counterclaim against ETC for breach of the Bypass GGPA, seeking the recovery of damages and attorneys’ fees. Culberson Equity and Moontower also filed a counterclaim against Energy Transfer for (1) breach of the Option Agreement, and (2) a declaratory judgment concerning Energy Transfer’s alleged obligation to purchase the Culberson interests. The lawsuit is pending in the 193rd Judicial District Court (“the Court”) in Dallas County, Texas. On April 27, 2022, Culberson filed an application for a temporary restraining order, temporary injunction, and permanent injunction, and Culberson Equity and Moontower joined in that request. The Court held a hearing on the application on April 28 and denied the injunction. In early May, Culberson filed a motion to enforce the appraisal process and confirm the validity of their put price calculation, to which Plaintiffs objected. On July 11, 2022, the Court held a hearing on the motion, and on July 19, 2022, the Court ordered the parties to engage in an appraisal process regarding the put price. An independent appraiser was appointed and issued his decision on October 15, 2022, concluding that the put price totals $93 million. Plaintiffs have consistently reiterated their objection to the appraisal process and conclusion.

On October 6, 2022, Culberson, Culberson Equity and Moontower filed a motion for summary judgment, but the Court postponed considering it until after further document discovery and depositions. On December 7, 2022, Plaintiffs amended their petition to add Moontower Resources Operating, LLC and Moontower Resources WI, LLC as Defendants, and to assert a claim against all Defendants for fraudulent inducement.

Defendants refiled updated motions for summary judgment on May 5, 2023, seeking summary judgment on: (1) Plaintiffs’ breach of contract and declaratory judgment claims on a no-evidence basis; (2) Plaintiffs’ fraud and alter ego claims on a no-evidence basis; and (3) Plaintiffs’ fraud claim on a traditional basis. Plaintiffs responded on June 6, 2023. Defendants submitted their replies in support of summary judgment on June 12, 2023.

On June 5, 2023, counsel for Defendants informed the Court via a letter that Defendants were continuing the submission date of the no-evidence motion regarding Plaintiffs’ breach of contract and declaratory judgment claims, noting that such submission would be rescheduled along with a traditional summary judgment motion regarding the same subject matter. To that end, on July 17, 2023, Defendant Culberson Midstream, LLC filed a Traditional Motion for Summary Judgment on Plaintiffs’ Breach of Contract and Declaratory Judgment Claims, while Defendants Culberson Midstream Equity, LLC and Moontower Resources Gathering filed a Motion for Partial Summary Judgment Regarding the Breach of the Option Agreement. Further, on July 25, 2023, Defendants filed a Traditional and No-Evidence Motion for Summary Judgment Regarding Damages and Recission. On July 28, 2023, in turn, Plaintiff ETC Texas Pipeline, Ltd. filed a Traditional Motion for Partial Summary Judgment on Breach of Contract and Declaratory Judgment.

On September 20, 2023, the Court held oral argument on the various Motions for Summary Judgment. Following oral argument, on September 26, 2023, the Court ruled on each of the Motions. The Court denied Defendants’ Traditional Motion for Partial Summary Judgment Regarding Fraud, Defendants’ No Evidence Motion for Summary Judgment Regarding Plaintiffs’ Fraud and Alter Ego Claims, Defendants’ Traditional and No Evidence Motion for Partial Summary Judgment Regarding Damages and Rescission, and Plaintiff ETC Texas Pipeline, Ltd.’s Traditional Motion for Partial Summary Judgment on Breach of Contract and Declaratory Judgment. The Court granted Culberson Midstream, LLC’s Traditional Motion for Partial Summary Judgment Seeking Dismissal of Plaintiffs’ Breach of Contract and Declaratory Judgment Claims and Culberson Midstream Equity, LLC and Moontower Resources Gathering, LLC’s Motion for Partial Summary Judgment Regarding Breach of the Option Agreement. Defendants have filed a motion seeking permission from the appellate court to allow an interlocutory appeal of the order denying their Traditional Motion for Partial Summary Judgment Regarding Fraud. That motion remains pending before the appellate court.

Discovery has closed in this matter. Trial on Plaintiff Energy Transfer LP’s fraud claim is currently set for June 18, 2024. Plaintiffs cannot predict the ultimate outcome of this litigation or the amount of time and expense that will be required to resolve it.

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Massachusetts Attorney General v. New England Gas Company

On July 7, 2011, the Massachusetts Attorney General (the “MA AG”) filed a regulatory complaint with the Massachusetts Department of Public Utilities (“DPU”) against New England Gas Company (“NEG”) with respect to certain environmental cost recoveries. NEG was an operating division of Southern Union Company (“SUG”), and the NEG assets were acquired in connection with the merger transaction with Energy Transfer in March 2012. Subsequent to the merger, in 2013, SUG sold the NEG assets to Liberty Utilities (“Liberty,” and together with NEG and SUG, “Respondents”) and retained certain potential liabilities, including the environmental cost recoveries with respect to the pending complaint before the DPU. Specifically, the MA AG seeks a refund to NEG’s ratepayers for approximately $18 million in legal fees associated with SUG environmental response activities. The MA AG requests that the DPU initiate an investigation into NEG’s collection and reconciliation of recoverable environmental costs, namely: (1) the legal fees charged by the Kasowitz, Benson, Torres & Friedman firm and passed through the recovery mechanism since 2005; (2) the legal fees charged by the Bishop, London & Dodds firm and passed through the recovery mechanisms since 2005; and (3) the legal fees passed through the recovery mechanism that the MA AG contends only qualify for a lesser (i.e., 50%) level of recovery. Respondents maintain that, by tariff, these costs are recoverable through rates charged to NEG customers pursuant to the environmental remediation adjustment clause program. After the Respondents answered the complaint and filed a motion to dismiss in 2011, the Hearing Officer deferred decision on the motion to dismiss and issued a stay of discovery pending resolution of a discovery dispute, which it later lifted on June 24, 2013, permitting the case to resume. However, the MA AG failed to take any further steps to prosecute its claims for nearly seven years. The case remained largely dormant until February 2022, when the Hearing Officer denied the motion to dismiss. After receiving input from the parties, the Hearing Officer entered a procedural schedule on March 16, 2022 (which was amended slightly on August 22, 2022). The parties engaged in discovery and the preparation of pre-filed testimony. Respondents submitted their pre-filed testimony on July 11, 2022. The MA AG served three sets of discovery requests on Respondents on September 9, September 12, and September 20, respectively, to which Respondents timely responded. On October 5, 2022, the MA AG requested that the DPU issue a ruling on whether the information that Respondents redacted in their attorneys’ fees invoices is protected by the attorney-client privilege. On the same day, the MA AG also filed a Motion to Stay the Procedural Schedule pending a ruling on the privilege issue. On October 6, 2022, without even affording Respondents the opportunity to respond, the DPU granted the MA AG’s request to stay the procedural schedule. Accordingly, all previous deadlines (including the MA AG’s October 7, 2022, deadline to submit direct pre-filed testimony) are presently stayed. On October 18, 2023, the DPU issued an Order on Attorney General’s Motion to Compel, ruling on issues originally raised in a motion to compel that the MA AG filed in 2013. The October 18, 2023 Order directs NEG to review its redactions again and, to the extent any invoices are completely redacted or heavily redacted, to provide more lightly redacted versions within 30 days. The October 18, 2023 Order also states that the MDPU will set a new procedural schedule in this matter sometime after NEG complies with the directives in the order, which the Company has completed as of January 17, 2024.

Crestwood Midstream Partners, LP – Linde Litigation

On December 23, 2019, Linde Engineering North America Inc. (“Linde”) filed a lawsuit in the District Court of Harris County, Texas alleging that Arrow Field Services, LLC, our consolidated subsidiary, and Crestwood Midstream Partners, LP (collectively, “Crestwood”) breached a contract entered into in March 2018 under which Linde was to provide engineering, procurement and construction services to Crestwood related to the completion of the construction of the Bear Den II cryogenic processing plant.

Trial was held in June 2022, and a final judgment was entered on October 24, 2022. The final judgment includes an award of damages of approximately $20.7 million, a pre-judgment interest award of approximately $17.7 million and attorney fees and other costs of approximately $4.7 million. Crestwood has insurance coverage related to certain pre-judgment interest awards but has not recorded a receivable related to any potential insurance recovery on June 30, 2023. On January 9, 2023, Crestwood paid approximately $21.2 million to the Court Registry under protest to mitigate the impact of post-judgment interest. Crestwood filed a Notice of Appeal on January 13, 2023, and filed its Appellate Brief on September 29, 2023. Linde’s response was filed on February 8, 2024. Crestwood anticipates that oral argument will be held in late 2024. Crestwood is unable to predict the ultimate outcome on the appeal related to this matter.

Environmental Matters

Our operations are subject to extensive federal, tribal, state and local environmental and safety laws and regulations that require expenditures to ensure compliance, including related to air emissions and wastewater discharges, at operating facilities and for remediation at current and former facilities as well as waste disposal sites. Historically, our environmental compliance costs have not had a material adverse effect on our results of operations but there can be no assurance that such costs will not be material in the future or that such future compliance with existing, amended or new legal requirements will not have a material adverse effect on our business and operating results. Costs of planning, designing, constructing and

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operating pipelines, plants and other facilities must incorporate compliance with environmental laws and regulations and safety standards. Failure to comply with these laws and regulations may result in the assessment of administrative, civil and criminal penalties, the imposition of investigatory, remedial and corrective action obligations, natural resource damages, the issuance of injunctions in affected areas and the filing of federally authorized citizen suits. Contingent losses related to all significant known environmental matters have been accrued and/or separately disclosed. However, we may revise accrual amounts prior to resolution of a particular contingency based on changes in facts and circumstances or changes in the expected outcome.

Environmental exposures and liabilities are difficult to assess and estimate due to unknown factors such as the magnitude of possible contamination, the timing and extent of remediation, the determination of our liability in proportion to other parties, improvements in cleanup technologies and the extent to which environmental laws and regulations may change in the future. Although environmental costs may have a significant impact on our results of operations for any single period, we believe that such costs will not have a material adverse effect on our financial position.

Based on information available at this time and reviews undertaken to identify potential exposure, we believe the amount reserved for environmental matters is adequate to cover the potential exposure for cleanup costs.

Environmental Remediation

Our subsidiaries are responsible for environmental remediation at certain sites, including the following:

•Certain of our interstate pipelines conduct soil and groundwater remediation related to contamination from past uses of PCBs. PCB assessments are ongoing and, in some cases, our subsidiaries could be contractually responsible for contamination caused by other parties.

•Certain gathering and processing systems are responsible for soil and groundwater remediation related to releases of hydrocarbons.

•Legacy sites related to Sunoco, Inc. that are subject to environmental assessments, including formerly owned terminals and other logistics assets, retail sites that the Partnership no longer operates, closed and/or sold refineries and other formerly owned sites.

•The Partnership is potentially subject to joint and several liability for the costs of remediation at sites at which it has been identified as a potentially responsible party (“PRP”). As of December 31, 2023, the Partnership had been named as a PRP at approximately 32 identified or potentially identifiable “Superfund” sites under federal and/or comparable state law. The Partnership is usually one of a number of companies identified as a PRP at a site. The Partnership has reviewed the nature and extent of its involvement at each site and other relevant circumstances and, based upon the Partnership’s purported nexus to the sites, believes that its potential liability associated with such sites will not be significant.

To the extent estimable, expected remediation costs are included in the amounts recorded for environmental matters in our consolidated balance sheets. In some circumstances, future costs cannot be reasonably estimated because remediation activities are undertaken as claims are made by customers and former customers. To the extent that an environmental remediation obligation is recorded by a subsidiary that applies regulatory accounting policies, amounts that are expected to be recoverable through tariffs or rates are recorded as regulatory assets on our consolidated balance sheets.

The following table reflects the amounts of accrued liabilities recorded in our consolidated balance sheets related to environmental matters that are considered to be probable and reasonably estimable. Currently, we are not able to estimate possible losses or a range of possible losses in excess of amounts accrued. Except for matters discussed above, we do not have any material environmental matters assessed as reasonably possible that would require disclosure in our consolidated financial statements.

	December 31,
	2023		2022
Current	$	42	$	54
Non-current	235		228
Total environmental liabilities	$	277	$	282

We have established a wholly owned captive insurance company to bear certain risks associated with environmental obligations related to certain sites that are no longer operating. The premiums paid to the captive insurance company include estimates for environmental claims that have been incurred but not reported, based on an actuarially determined

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fully developed claims expense estimate. In such cases, we accrue losses attributable to unasserted claims based on the discounted estimates that are used to develop the premiums paid to the captive insurance company.

During the years ended December 31, 2023 and 2022, the Partnership recorded $29 million and $30 million, respectively, of expenditures related to environmental cleanup programs.

Our pipeline operations are subject to regulation by the DOT under PHMSA, pursuant to which PHMSA has established requirements relating to the design, installation, testing, construction, operation, replacement and management of pipeline facilities. Moreover, PHMSA, through the Office of Pipeline Safety, has promulgated a rule requiring pipeline operators to develop integrity management programs to comprehensively evaluate their pipelines, and take measures to protect pipeline segments located in what the rule refers to as “high consequence areas.” Activities under these integrity management programs involve the performance of internal pipeline inspections, pressure testing or other effective means to assess the integrity of these regulated pipeline segments, and the regulations require prompt action to address integrity issues raised by the assessment and analysis. Integrity testing and assessment of all of these assets will continue, and the results of such testing and assessment could cause us to incur future capital and operating expenditures for repairs or upgrades deemed necessary to ensure the continued safe and reliable operation of our pipelines; however, no estimate can be made at this time of the likely range of such expenditures.

Our operations are also subject to the requirements of OSHA, and comparable state laws that regulate the protection of the health and safety of employees. In addition, the Occupational Safety and Health Administration’s hazardous communication standard requires that information be maintained about hazardous materials used or produced in our operations and that this information be provided to employees, state and local government authorities and citizens. We believe that our past costs for OSHA required activities, including general industry standards, record keeping requirements and monitoring of occupational exposure to regulated substances have not had a material adverse effect on our results of operations; however, there is no assurance that such costs will not be material in the future.

12.REVENUE:

Disaggregation of revenue

The major types of revenue within our reportable segments are as follows:

•intrastate transportation and storage;

•interstate transportation and storage;

•midstream;

•NGL and refined products transportation and services;

•crude oil transportation and services;

•investment in Sunoco LP;

•fuel distribution and marketing;

•all other;

•investment in USAC;

•contract operations;

•retail parts and services; and

•all other.

Note 16 depicts the disaggregation of revenue by segment, with revenue amounts reflected in accordance with ASC Topic 606.

Intrastate transportation and storage revenue

Our intrastate transportation and storage segment’s revenues are determined primarily by the volume of capacity our customers reserve as well as the actual volume of natural gas that flows through the transportation pipelines or that is injected or withdrawn into or out of our storage facilities. Firm transportation and storage contracts require customers to pay certain minimum fixed fees regardless of the volume of commodity they transport or store. These contracts typically include a variable incremental charge based on the actual volume of transportation commodity throughput or stored commodity injected/withdrawn. Under interruptible transportation and storage contracts, customers are not required to pay

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any fixed minimum amounts, but are instead billed based on actual volume of commodity they transport across our pipelines or inject/withdraw into or out of our storage facilities. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of service, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Our intrastate transportation and storage segment also generates revenues and margin from the sale of natural gas to electric utilities, independent power plants, local distribution companies, industrial end-users and other marketing companies on the HPL System. Generally, we purchase natural gas from the market, including purchases from our marketing operations, and from producers at the wellhead.

Interstate transportation and storage revenue

Our interstate transportation and storage segment’s revenues are determined primarily by the amount of capacity our customers reserve as well as the actual volume of natural gas that flows through the transportation pipelines or that is injected into or withdrawn out of our storage facilities. Our interstate transportation and storage segment’s contracts can be firm or interruptible. Firm transportation and storage contracts require customers to pay certain minimum fixed fees regardless of the volume of commodity transported or stored. In exchange for such fees, we must stand ready to perform a contractually agreed-upon minimum volume of services whenever the customer requests such services. These contracts typically include a variable incremental charge based on the actual volume of transportation commodity throughput or stored commodity injected or withdrawn. Under interruptible transportation and storage contracts, customers are not required to pay any fixed minimum amounts, but are instead billed based on actual volume of commodity they transport across our pipelines or inject into or withdraw out of our storage facilities. Consequently, we are not required to stand ready to provide any contractually agreed-upon volume of service, but instead provides the services based on existing capacity at the time the customer requests the services. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of services, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Lake Charles LNG’s revenues are primarily derived from terminalling services for shippers by receiving LNG at the facility for storage and delivering such LNG to shippers, either in liquid state or gaseous state after regasification. Lake Charles LNG derives all of its revenue from a series of long-term contracts with a wholly owned subsidiary of Royal Dutch Shell plc (“Shell”). Terminalling revenue is generated from fees paid by Shell for storage and other associated services at the terminal. Payment for services under these contracts are typically due the month after the services have been performed.

The terminalling agreements are considered to be firm agreements, because they include fixed fee components that are charged regardless of the volumes transported by Shell or services provided at the terminal.

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The performance obligation with respect to firm contracts is a promise to provide a single type of service (terminalling) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

Midstream revenue

Our midstream segment’s revenues are derived primarily from margins we earn for natural gas volumes that are gathered, processed and/or transported. The various types of revenue contracts our midstream segment enters into include:

Fixed fee gathering and processing: Contracts under which we provide gathering and processing services in exchange for a fixed cash fee per unit of volume. Revenue for cash fees is recognized when the service is performed.

Keepwhole: Contracts under which we gather raw natural gas from a third-party producer, process the gas to convert it to pipeline quality natural gas, and redeliver to the producer a thermal-equivalent volume of pipeline quality natural gas. In exchange for these services, we retain the NGLs extracted from the raw natural gas received from the producer as well as cash fees paid by the producer. The value of NGLs retained as well as cash fees is recognized as revenue when the services are performed.

Percent of Proceeds (“POP”): Contracts under which we provide gathering and processing services in exchange for a specified percentage of the producer’s commodity (“POP percentage”) and also in some cases additional cash fees. The two types of POP revenue contracts are described below:

•In-Kind POP: We retain our POP percentage (non-cash consideration) and also any additional cash fees in exchange for providing the services. We recognize revenue for the non-cash consideration and cash fees at the time the services are performed.

•Mixed POP: We purchase NGLs from the producer and retain a portion of the residue gas as non-cash consideration for services provided. We may also receive cash fees for such services. Under Topic 606, these agreements were determined to be hybrid agreements which were partially supply agreements (for the NGLs we purchased) and customer agreements (for the services provided related to the product that was returned to the customer). Given that these are hybrid agreements, we split the cash and non-cash consideration between revenue and a reduction of costs based on the value of the service provided vs. the value of the supply received.

Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligations with respect to our midstream segment’s contracts are to provide gathering, transportation and processing services, each of which would be completed on or about the same time, and each of which would be recognized on the same line item on the income statement, therefore identification of separate performance obligations would not impact the timing or geography of revenue recognition.

Certain contracts of our midstream segment include throughput commitments under which customers commit to purchasing a certain minimum volume of service over a specified time period. If such volume of service is not purchased by the customer, deficiency fees are billed to the customer. In some cases, the customer is allowed to apply any deficiency fees paid to future purchases of services. In such cases, we defer revenue recognition until the customer uses the deficiency fees for services provided or becomes unable to use the fees as payment for future services due to expiration of the contractual period the fees can be applied or physical inability of the customer to utilize the fees due to capacity constraints.

Our midstream segment also generates revenues from the sale of residue gas and NGLs at the tailgate of our processing facilities primarily to affiliates and some third-party customers.

NGL and refined products transportation and services revenue

Our NGL and refined products transportation and services segment’s revenues are primarily derived from transportation, fractionation, blending and storage of NGL and refined products as well as acquisition and marketing activities. Revenues are generated utilizing a complementary network of pipelines, storage and blending facilities, and strategic offtake locations that provide access to multiple NGL markets. Transportation, fractionation and storage revenue is generated from

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fees charged to customers under a combination of firm and interruptible contracts. Firm contracts are in the form of take-or-pay arrangements where certain fees will be charged to customers regardless of the volume of service they request for any given period. Under interruptible contracts, customers are not required to pay any fixed minimum amounts, but are instead billed based on actual volume of service provided for any given period. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation, fractionation, blending, or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of services, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Crude oil transportation and services revenue

Our crude oil transportation and services segment’s revenues are primarily derived from providing transportation, terminalling and acquisition and marketing services to crude oil markets throughout the Southwest, Midwest and Northeast United States. Crude oil transportation revenue is generated from tariffs paid by shippers utilizing our transportation services and is generally recognized as the related transportation services are provided. Crude oil terminalling revenue is generated from fees paid by customers for storage and other associated services at the terminal. Crude oil acquisition and marketing revenue is generated from sale of crude oil acquired from a variety of suppliers to third parties. Payment for services under these contracts are typically due the month after the services have been performed.

Certain transportation and terminalling agreements are considered to be firm agreements, because they include fixed fee components that are charged regardless of the volume of crude oil transported by the customer or services provided at the terminal. For these agreements, any fixed fees billed in excess of services provided are not recognized as revenue until the earlier of (i) the time at which the customer applies the fees against cost of service provided in a later period, or (ii) the customer becomes unable to apply the fees against cost of future service due to capacity constraints or contractual terms.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or terminalling) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of service, but such promise is made on a case-by-case basis at the time the customer requests the service and/or product and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Sunoco LP’s fuel distribution and marketing revenue

Sunoco LP’s fuel distribution and marketing operations earn revenue from the following channels: sales to dealers, sales to distributors, unbranded wholesale revenue, commission agent revenue, rental income and other income. Motor fuel revenue consists primarily of the sale of motor fuel under supply agreements with third party customers and affiliates. Fuel supply contracts with Sunoco LP’s customers generally provide that Sunoco LP distribute motor fuel at a formula price based on published rates, volume-based profit margin and other terms specific to the agreement. The customer is invoiced the agreed-upon price with most payment terms ranging less than 30 days. If the consideration promised in a contract includes a variable amount, Sunoco LP estimates the variable consideration amount and factors in such an estimate to determine the transaction price under the expected value method.

Revenue is recognized under the motor fuel contracts at the point in time the customer takes control of the fuel. At the time control is transferred to the customer the sale is considered final, because the agreements do not grant customers the right

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to return motor fuel. To determine when control transfers to the customer, the shipping terms of the contract are assessed as a primary indicator of the transfer of control. For FOB shipping point terms, revenue is recognized at the time of shipment. The performance obligation with respect to the sale of goods is satisfied at the time of shipment since the customer gains control at this time under the terms. Shipping and/or handling costs that occur before the customer obtains control of the goods are deemed to be fulfillment activities and are accounted for as fulfillment costs. Once the goods are shipped, Sunoco LP is precluded from redirecting the shipment to another customer and revenue is recognized.

Commission agent revenue consists of sales from commission agent agreements between Sunoco LP and select operators. Sunoco LP supplies motor fuel to sites operated by commission agents and sells the fuel directly to the end customer. In commission agent arrangements, control of the product is transferred at the point in time when the goods are sold to the end customer. To reflect the transfer of control, Sunoco LP recognizes commission agent revenue at the point in time fuel is sold to the end customer.

Sunoco LP receives rental income from leased or subleased properties. Revenue from leasing arrangements for which Sunoco LP is the lessor is recognized ratably over the term of the underlying lease.

Sunoco LP’s all other revenue

Sunoco LP’s all other operations earn revenue from the following channels: motor fuel sales, rental income and other income. Motor fuel sales consist of fuel sales to consumers at company-operated retail stores. Other income includes merchandise revenue that comprises the in-store merchandise and food service sales at company-operated retail stores, and other revenue that represents a variety of other services within Sunoco LP’s all other operations including credit card processing, car washes, lottery, automated teller machines, money orders, prepaid phone cards and wireless services. Revenue from all other operations is recognized when (or as) the performance obligations are satisfied (i.e. when the customer obtains control of the good or the service is provided).

USAC’s contract operations revenue

USAC’s revenue from contracted compression, natural gas treating and maintenance services is recognized ratably under its fixed-fee contracts over the term of the contract as services are provided to its customers. Initial contract terms typically range from six months to five years; however, USAC usually continues to provide compression services at a specific location beyond the initial contract term, either through contract renewal or on a month-to-month or longer basis. USAC primarily enters into fixed-fee contracts whereby its customers are required to pay the monthly fee even during periods of limited or disrupted throughput. Services are generally billed monthly, one month in advance of the commencement of the service month, except for certain customers who are billed at the beginning of the service month, and payment is generally due 30 days after receipt of the invoice. Amounts invoiced in advance are recorded as deferred revenue until earned, at which time they are recognized as revenue. The amount of consideration USAC receives and revenue it recognizes is based upon the fixed fee rate stated in each service contract.

Variable consideration exists in select contracts when billing rates vary based on actual equipment availability or volume of total installed horsepower.

USAC’s contracts with customers may include multiple performance obligations. For such arrangements, USAC allocates revenues to each performance obligation based on its relative standalone service fee. USAC generally determines standalone service fees based on the service fees charged to customers or using expected cost plus margin.

The majority of USAC’s service performance obligations are satisfied over time as services are rendered at selected customer locations on a monthly basis and based upon specific performance criteria identified in the applicable contract. The monthly service for each location is substantially the same service month to month and is promised consecutively over the service contract term. USAC measures progress and performance of the service consistently using a straight-line, time-based method as each month passes, because its performance obligations are satisfied evenly over the contract term as the customer simultaneously receives and consumes the benefits provided by its service. If variable consideration exists, it is allocated to the distinct monthly service within the series to which such variable consideration relates. USAC has elected to apply the invoicing practical expedient to recognize revenue for such variable consideration, as the invoice corresponds directly to the value transferred to the customer based on its performance completed to date.

There are typically no material obligations for returns or refunds. USAC’s standard contracts do not usually include material non-cash consideration.

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USAC’s retail parts and services revenue

USAC’s retail parts and services revenue is primarily earned on directly reimbursable freight and crane charges that are the financial responsibility of USAC’s customers and maintenance work on units at its customers’ locations that are outside the scope of its core maintenance activities. Revenue from retail parts and services is recognized at the point in time the part is transferred or service is provided and control is transferred to the customer. At such time, the customer has the ability to direct the use of the benefits of such part or service after USAC has performed its services. USAC bills upon completion of the service or transfer of the parts, and payment is generally due 30 days after receipt of the invoice. The amount of consideration USAC receives and revenue it recognizes is based on the invoice amount. There are typically no material obligations for returns, refunds, or warranties. USAC’s standard contracts do not usually include material variable or non-cash consideration.

All other revenue

Our all other segment primarily includes our compression equipment business which provides full-service compression design and manufacturing services for the oil and gas industry. It also includes the management of coal and natural resources properties and the related collection of royalties. We also earn revenues from other land management activities, such as selling standing timber, leasing coal-related infrastructure facilities and collecting oil and gas royalties. These operations also include end-user coal handling facilities.

Contract Balances with Customers

The Partnership satisfies its obligations by transferring goods or services in exchange for consideration from customers. The timing of performance may differ from the timing the associated consideration is paid to or received from the customer, thus resulting in the recognition of a contract asset or a contract liability.

The Partnership recognizes a contract asset when making upfront consideration payments to certain customers or when providing services to customers prior to the time at which the Partnership is contractually allowed to bill for such services.

The Partnership recognizes a contract liability if the customer’s payment of consideration precedes the Partnership’s fulfillment of the performance obligations. Certain contracts contain provisions requiring customers to pay a fixed minimum fee, but allows customers to apply such fees against services to be provided at a future point in time. These amounts are reflected as deferred revenue until the customer applies the deficiency fees to services provided or becomes unable to use the fees as payment for future services due to expiration of the contractual period the fees can be applied or physical inability of the customer to utilize the fees due to capacity constraints. Additionally, Sunoco LP maintains some franchise agreements requiring dealers to make one-time upfront payments for long-term license agreements. Sunoco LP recognizes a contract liability when the upfront payment is received and recognizes revenue over the term of the license.

The following table summarizes the consolidated activity of our contract liabilities:

	Contract Liabilities
Balance, December 31, 2021	$	459
Additions	1,113
Revenue recognized	(944)
Other	(13)
Balance, December 31, 2022	615
Additions	1,254
Revenue recognized	(1,120)
Balance, December 31, 2023	$	749

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Index to Financial Statements

The balances of Sunoco LP’s contract assets and contract liabilities as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Contract Balances
Contract assets	$	256	$	200
Accounts receivable from contracts with customers	809		834
Contract liabilities	—		—

Costs to Obtain or Fulfill a Contract

Sunoco LP recognizes an asset from the costs incurred to obtain a contract (e.g. sales commissions) only if it expects to recover those costs. On the other hand, the costs to fulfill a contract are capitalized if the costs are specifically identifiable to a contract, would result in enhancing resources that will be used in satisfying performance obligations in the future and are expected to be recovered. These capitalized costs are recorded as a part of other current assets and other non-current assets and are amortized on a systematic basis consistent with the pattern of transfer of the goods or services to which such costs relate. The amount of amortization expense that Sunoco LP recognized for the years ended December 31, 2023, 2022 and 2021 was $29 million, $22 million and $21 million, respectively. Sunoco LP has also made a policy election of expensing the costs to obtain a contract, as and when they are incurred, in cases where the expected amortization period is one year or less.

Performance Obligations

At contract inception, the Partnership assesses the goods and services promised in its contracts with customers and identifies a performance obligation for each promise to transfer a good or service (or bundle of goods or services) that is distinct. To identify the performance obligations, the Partnership considers all the goods or services promised in the contract, whether explicitly stated or implied based on customary business practices. For a contract that has more than one performance obligation, the Partnership allocates the total contract consideration it expects to be entitled to, to each distinct performance obligation based on a standalone-selling price basis. Revenue is recognized when (or as) the performance obligations are satisfied, that is, when the customer obtains control of the good or service. Certain of our contracts contain variable components, which, when combined with the fixed component are considered a single performance obligation. For these types of contracts, only the fixed component of the contracts are included in the following table.

Sunoco LP distributes fuel under long-term contracts to branded distributors, branded and unbranded third-party dealers, and branded and unbranded retail fuel outlets. Sunoco LP branded supply contracts with distributors generally have both time and volume commitments that establish contract duration. These contracts have an initial term of approximately ten years, with an estimated volume-weighted term remaining of approximately five years.

Sunoco LP is party to a 15-year take-or-pay fuel supply agreement in which the distributor is required to purchase a volume of fuel that provides Sunoco LP a minimum amount of gross profit annually. Sunoco LP expects to recognize this revenue in accordance with the contract as Sunoco LP transfers control of the product to the customer. However, in case of annual shortfall, Sunoco LP will recognize the amount payable by the distributor at the sooner of the time at which the distributor makes up the shortfall or becomes contractually or operationally unable to do so. The transaction price of the contract is variable in nature, fluctuating based on market conditions. The Partnership has elected to take the practical expedient not to estimate the amount of variable consideration allocated to wholly unsatisfied performance obligations.

In some contractual arrangements, Sunoco LP grants dealers a franchise license to operate Sunoco LP’s retail stores over the life of a franchise agreement. In return for the grant of the retail store license, the dealer makes a one-time nonrefundable franchise fee payment to Sunoco LP plus sales based royalties payable to Sunoco LP at a contractual rate during the period of the franchise agreement. Under the requirements of ASC Topic 606, the franchise license is deemed to be a symbolic license for which recognition of revenue over time is the most appropriate measure of progress toward complete satisfaction of the performance obligation. Revenue from this symbolic license is recognized evenly over the life of the franchise agreement.

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Index to Financial Statements

As of December 31, 2023, the aggregate amount of transaction price allocated to unsatisfied (or partially satisfied) performance obligations was $39.10 billion, and the Partnership expects to recognize this amount as revenue within the time bands illustrated below:

	Years Ending December 31,
	2024		2025		2026		Thereafter		Total
Revenue expected to be recognized on contracts with customers existing as of December 31, 2023	$	7,590	$	6,497	$	5,769	$	19,240	$	39,096

Practical Expedients Utilized by the Partnership

The Partnership elected the following practical expedients in accordance with Topic 606:

•Right to invoice: The Partnership elected to utilize an output method to recognize revenue that is based on the amount to which the Partnership has a right to invoice a customer for services performed to date, if that amount corresponds directly with the value provided to the customer for the related performance or its obligation completed to date. As such, the Partnership recognized revenue in the amount to which it had the right to invoice customers.

•Significant financing component: The Partnership elected not to adjust the promised amount of consideration for the effects of significant financing component if the Partnership expects, at contract inception, that the period between the transfer of a promised good or service to a customer and when the customer pays for that good or service will be one year or less.

•Unearned variable consideration: The Partnership elected to only disclose the unearned fixed consideration associated with unsatisfied performance obligations related to our various customer contracts which contain both fixed and variable components.

•Incremental costs of obtaining a contract: The Partnership generally expenses sales commissions when incurred because the amortization period would have been less than one year. We record these costs within general and administrative expenses. The Partnership elected to expense the incremental costs of obtaining a contract when the amortization period for such contracts would have been one year or less.

•Shipping and handling costs: The Partnership elected to account for shipping and handling activities that occur after the customer has obtained control of a good as fulfillment activities (i.e., an expense) rather than as a promised service.

•Measurement of transaction price: The Partnership has elected to exclude from the measurement of transaction price all taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction and collected by the Partnership from a customer (i.e., sales tax, value added tax, etc.).

•Variable consideration of wholly unsatisfied performance obligations: The Partnership has elected to exclude the estimate of variable consideration to the allocation of wholly unsatisfied performance obligations.

13.LEASE ACCOUNTING:

Lessee Accounting

The Partnership leases terminal facilities, tank cars, office space, land and equipment under non-cancelable operating leases whose initial terms are typically five to 15 years, with some real estate leases having terms of 40 years or more, along with options that permit renewals for additional periods. At the inception of each, we determine if the arrangement is a lease or contains an embedded lease and review the facts and circumstances of the arrangement to classify lease assets as operating or finance leases under Topic 842. The Partnership has elected not to record any leases with terms of 12 months or less on our consolidated balance sheets.

At present, the majority of the Partnership’s active leases are classified as operating in accordance with Topic 842. Balances related to operating leases are included in operating lease ROU assets, accrued and other current liabilities, operating lease current liabilities and non-current operating lease liabilities in our consolidated balance sheets. Finance leases represent a small portion of the active lease agreements and are included in finance lease ROU assets, current maturities of long-term debt and long-term debt, less current maturities in our consolidated balance sheets. The ROU assets represent the Partnership’s right to use an underlying asset for the lease term and lease liabilities represent the obligation of the Partnership to make minimum lease payments arising from the lease for the duration of the lease term.

Most leases include one or more options to renew, with renewal terms that can extend the lease term from one to 20 years or greater. The exercise of lease renewal options is typically at the sole discretion of the Partnership and lease extensions

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Index to Financial Statements

are evaluated on a lease-by-lease basis. Leases containing early termination clauses typically require the agreement of both parties to the lease. At the inception of a lease, all renewal options reasonably certain to be exercised are considered when determining the lease term. Presently, the Partnership does not have leases that include options to purchase or automatic transfer of ownership of the leased property to the Partnership. The depreciable life of lease assets and leasehold improvements are limited by the expected lease term.

To determine the present value of future minimum lease payments, we use the implicit rate when readily determinable. Presently, because many of our leases do not provide an implicit rate, the Partnership applies its incremental borrowing rate based on the information available at the lease commencement date to determine the present value of minimum lease payments. The operating and finance lease ROU assets include any lease payments made and exclude lease incentives.

Minimum rent payments are expensed on a straight-line basis over the term of the lease. In addition, some leases require additional contingent or variable lease payments, which are based on the factors specific to the individual agreement. Variable lease payments the Partnership is typically responsible for include payment of real estate taxes, maintenance expenses and insurance.

For short-term leases (leases that have term of twelve months or less upon commencement), lease payments are recognized on a straight-line basis and no ROU assets are recorded.

The components of operating and finance lease amounts recognized in the accompanying consolidated balance sheets as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Operating leases:
Lease right-of-use assets, net	$	797	$	808
Operating lease current liabilities	56		45
Accrued and other current liabilities	5		1
Non-current operating lease liabilities	778		798
Finance leases:
Property, plant and equipment, net	$	1	$	1
Lease right-of-use assets, net	29		11
Current maturities of long-term debt	8		2
Long-term debt, less current maturities	19		9
Other non-current liabilities	—		1

The components of lease expense for the years ended December 31, 2023 and 2022 were as follows:

		Year Ended December 31,
	Income Statement Location	2023		2022
Operating lease costs:
Operating lease cost	Cost of goods sold	$	1	$	3
Operating lease cost	Operating expenses	69		63
Operating lease cost	Selling, general and administrative	18		22
Total operating lease costs		88		88
Finance lease costs:
Amortization of lease assets	Depreciation, depletion and amortization	—		—
Interest on lease liabilities	Interest expense, net of capitalized interest	—		—
Total finance lease costs		—		—
Short-term lease cost	Operating expenses	38		33
Variable lease cost	Operating expenses	16		13
Lease costs, gross		142		134
Less: Sublease income	Other revenue	42		40
Lease costs, net		$	100	$	94

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Index to Financial Statements

The weighted-average remaining lease terms and weighted-average discount rates as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Weighted-average remaining lease term (years):
Operating leases	21		21
Finance leases	12		27
Weighted-average discount rate (%):
Operating leases	6	%	5	%
Finance leases	5	%	4	%

Cash flows and non-cash activity related to leases for the years ended December 31, 2023 and 2022 were as follows:

	Year Ended December 31,
	2023		2022
Operating cash flows from operating leases	$	(139)	$	(133)
Lease assets obtained in exchange for new finance lease liabilities	18		1
Lease assets obtained in exchange for new operating lease liabilities	5		41

Maturities of lease liabilities as of December 31, 2023 are as follows:

	Operating leases		Finance leases		Total
2024	$	96	$	7	$	103
2025	90		8		98
2026	81		4		85
2027	71		2		73
2028	70		1		71
Thereafter	979		12		991
Total lease payments	1,387		34		1,421
Less: present value discount	553		7		560
Present value of lease liabilities	$	834	$	27	$	861

Lessor Accounting

Sunoco LP leases or subleases a portion of its real estate portfolio to third-party companies as a stable source of long-term revenue. Sunoco LP’s lessor and sublease portfolio consists mainly of operating leases with convenience store operators. At this time, most lessor agreements contain five-year terms with renewal options to extend and early termination options based on established terms specific to the individual agreement.

Sunoco LP’s future minimum operating lease payments receivable as of December 31, 2023 are as follows:

	Lease Payments
2024	$	108
2025	99
2026	82
2027	63
2028	38
Thereafter	17
Total undiscounted cash flows	$	407

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Index to Financial Statements

14.DERIVATIVE ASSETS AND LIABILITIES:

Commodity Price Risk

We are exposed to market risks related to the volatility of commodity prices. To manage the impact of volatility from these prices, we utilize various exchange-traded and OTC commodity financial instrument contracts. These contracts consist primarily of futures, swaps and options and are recorded at fair value in our consolidated balance sheets.

We use futures and basis swaps, designated as fair value hedges, to hedge our natural gas inventory stored in our Bammel storage facility. At hedge inception, we lock in a margin by purchasing gas in the spot market or off-peak season and entering into a financial contract. Changes in the spreads between the forward natural gas prices and the physical inventory spot price result in unrealized gains or losses until the underlying physical gas is withdrawn and the related designated derivatives are settled. Once the gas is withdrawn and the designated derivatives are settled, the previously unrealized gains or losses associated with these positions are realized.

We use futures, swaps and options to hedge the sales price of natural gas we retain for fees in our intrastate transportation and storage segment and operational gas sales on our interstate transportation and storage segment. These contracts are not designated as hedges for accounting purposes.

We use NGL and crude derivative swap contracts to hedge forecasted sales of NGL and condensate equity volumes we retain for fees in our midstream segment whereby our subsidiaries generally gather and process natural gas on behalf of producers, sell the resulting residue gas and NGL volumes at market prices and remit to producers an agreed upon percentage of the proceeds based on an index price for the residue gas and NGL. These contracts are not designated as hedges for accounting purposes.

We utilize swaps, futures and other derivative instruments to mitigate the risk associated with market movements in the price of natural gas, refined products and NGLs to manage our storage facilities and the purchase and sale of purity NGL. These contracts are not designated as hedges for accounting purposes.

We use futures and swaps to achieve ratable pricing of crude oil purchases, to convert certain expected refined product sales to fixed or floating prices, to lock in margins for certain refined products and to lock in the price of a portion of natural gas purchases or sales. These contracts are not designated as hedges for accounting purposes.

We use financial commodity derivatives to take advantage of market opportunities in our trading activities which complement our intrastate transportation and storage segment’s operations and are netted in cost of products sold in our consolidated statements of operations. We also have trading and marketing activities related to power and natural gas in our all other segment which are also netted in cost of products sold. As a result of our trading activities and the use of derivative financial instruments in our intrastate transportation and storage segment, the degree of earnings volatility that can occur may be significant, favorably or unfavorably, from period to period. We attempt to manage this volatility through the use of daily position and profit and loss reports provided to our risk oversight committee, which includes members of senior management, and the limits and authorizations set forth in our commodity risk management policy.

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Index to Financial Statements

The following table details our outstanding commodity-related derivatives:

	December 31, 2023		December 31, 2022
	Notional Volume	Maturity	Notional Volume	Maturity
Mark-to-Market Derivatives
(Trading)
Natural Gas (BBtu):
Fixed Swaps/Futures	(1,878)	2024-2025	145	2023
Basis Swaps IFERC/NYMEX(1)	(171,185)	2024	(39,563)	2023
Swing Swaps	(900)	2024	—	—
Options – Puts	1,900	2024	—	—
Options - Calls	250	2024	—	—
Power (Megawatt):
Forwards	155,600	2024-2029	—	2023-2029
Futures	(464,897)	2024	(21,384)	2023
Options – Puts	136,000	2024	119,200	2023
Crude (MBbls):
Option - Puts	(15)	2024	—	—
Option - Calls	(20)	2024	—	—
NGL/Refined Products (MBbls):
Option - Puts	121	2024-2026	—	—
Option - Calls	(43)	2024-2026	—	—
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	124,210	2024-2025	42,440	2023-2024
Swing Swaps IFERC	(96,828)	2024-2025	(202,815)	2023-2024
Fixed Swaps/Futures	7,125	2024-2026	(15,758)	2023-2025
Forward Physical Contracts	(1,751)	2024-2026	2,423	2023-2024
NGL (MBbls) – Forwards/Swaps	(13,870)	2024-2027	6,934	2023-2025
Crude (MBbls) – Forwards/Swaps	(2,674)	2024-2025	795	2023-2024
Refined Products (MBbls) – Futures	(4,548)	2024-2025	(3,547)	2023-2024
Fair Value Hedging Derivatives
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	(39,013)	2024	(37,448)	2023
Fixed Swaps/Futures	(39,013)	2024	(37,448)	2023
Hedged Item – Inventory	39,013	2024	37,448	2023

(1)Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.

Interest Rate Risk

We are exposed to market risk for changes in interest rates. To maintain a cost effective capital structure, we borrow funds using a mix of fixed rate debt and variable rate debt. We also manage our interest rate exposure by utilizing interest rate swaps to achieve a desired mix of fixed and variable rate debt. We also utilize forward starting interest rate swaps to lock in the rate on a portion of our anticipated debt issuances.

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Index to Financial Statements

The following table summarizes our interest rate swaps outstanding (including USAC’s), none of which were designated as hedges for accounting purposes:

Term	Type	Notional Amount Outstanding
		December 31, 2023		December 31, 2022
Energy Transfer
July 2024 (1)	Forward-starting to pay a fixed rate of 3.388% and receive a floating rate based on SOFR	$	—	$	400
USAC
December 2025	Pay a fixed rate of 3.9725% and receive a floating rate based on SOFR	700		—

(1)The July 2024 interest rate swaps were terminated and settled in August 2023.

Credit Risk and Customers

Credit risk refers to the risk that a counterparty may default on its contractual obligations resulting in a loss to the Partnership. Credit policies have been approved and implemented to govern the Partnership’s portfolio of counterparties with the objective of mitigating credit losses. These policies establish guidelines, controls and limits to manage credit risk within approved tolerances by mandating an appropriate evaluation of the financial condition of existing and potential counterparties, monitoring agency credit ratings and by implementing credit practices that limit exposure according to the risk profiles of the counterparties. Furthermore, the Partnership may, at times, require collateral under certain circumstances to mitigate credit risk as necessary. The Partnership also uses industry standard commercial agreements which allow for the netting of exposures associated with transactions executed under a single commercial agreement. Additionally, we utilize master netting agreements to offset credit exposure across multiple commercial agreements with a single counterparty or affiliated group of counterparties.

Our natural gas transportation and midstream revenues are derived significantly from companies that engage in exploration and production activities. In addition to oil and gas producers, the Partnership’s counterparties consist of a diverse portfolio of customers across the energy industry, including petrochemical companies, commercial and industrial end-users, municipalities, gas and electric utilities, midstream companies and independent power generators. Our overall exposure may be affected positively or negatively by macroeconomic or regulatory changes that impact our counterparties to one extent or another. Currently, management does not anticipate a material adverse effect in our financial position or results of operations as a consequence of counterparty non-performance.

The Partnership has maintenance margin deposits with certain counterparties in the OTC market, primarily with independent system operators and with clearing brokers. Payments on margin deposits are required when the value of a derivative exceeds our pre-established credit limit with the counterparty. Margin deposits are returned to us on or about the settlement date for non-exchange traded derivatives, and we exchange margin calls on a daily basis for exchange traded transactions. Since the margin calls are made daily with the exchange brokers, the fair value of the financial derivative instruments are deemed current and netted in deposits paid to vendors within other current assets in the consolidated balance sheets.

For financial instruments, failure of a counterparty to perform on a contract could result in our inability to realize amounts that have been recorded on our consolidated balance sheets and recognized in net income or other comprehensive income.

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Index to Financial Statements

Derivative Summary

The following table provides a summary of our derivative assets and liabilities:

	Fair Value of Derivative Instruments
	Asset Derivatives				Liability Derivatives
	December 31, 2023		December 31, 2022		December 31, 2023		December 31, 2022
Derivatives designated as hedging instruments:
Commodity derivatives (margin deposits)	$	51	$	87	$	(6)	$	(7)
	51		87		(6)		(7)
Derivatives not designated as hedging instruments:
Commodity derivatives (margin deposits)	427		506		(374)		(411)
Commodity derivatives	132		95		(80)		(108)
Interest rate derivatives	6		—		(4)		(23)
	565		601		(458)		(542)
Total derivatives	$	616	$	688	$	(464)	$	(549)

The following table presents the fair value of our recognized derivative assets and liabilities on a gross basis and amounts offset on the consolidated balance sheets that are subject to enforceable master netting arrangements or similar arrangements:

		Asset Derivatives				Liability Derivatives
	Balance Sheet Location	December 31, 2023		December 31, 2022		December 31, 2023		December 31, 2022
Derivatives without offsetting agreements	Derivative assets (liabilities)	$	6	$	—	$	(4)	$	(23)
Derivatives in offsetting agreements:
OTC contracts	Derivative assets (liabilities)	132		95		(80)		(108)
Broker cleared derivative contracts	Other current assets (liabilities)	478		593		(380)		(418)
		616		688		(464)		(549)
Offsetting agreements:
Counterparty netting	Derivative assets (liabilities)	(72)		(85)		72		85
Counterparty netting	Other current assets (liabilities)	(368)		(359)		368		359
Total net derivatives		$	176	$	244	$	(24)	$	(105)

We disclose the non-exchange traded financial derivative instruments as derivative assets and liabilities on our consolidated balance sheets at fair value with amounts classified as either current or long-term depending on the anticipated settlement.

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Index to Financial Statements

The following tables summarize the amounts recognized with respect to our derivative financial instruments:

	Location of Gain (Loss) Recognized in Income on Derivatives	Amount of Gain (Loss) Recognized in Income on Derivatives
		Years Ended December 31,
		2023		2022		2021
Derivatives not designated as hedging instruments:
Commodity derivatives – Trading	Cost of products sold	$	7	$	83	$	(6)
Commodity derivatives – Non-trading	Cost of products sold	40		41		(141)
Interest rate derivatives	Gains (losses) on interest rate derivatives	36		293		61
Total		$	83	$	417	$	(86)

15.RETIREMENT BENEFITS:

Savings and Profit Sharing Plans

We and our subsidiaries sponsor defined contribution savings and profit sharing plans, which collectively cover virtually all eligible employees, including those of Sunoco LP and USAC. Employer matching contributions are calculated using a formula based on employee contributions. We and our subsidiaries made matching contributions of $86 million, $79 million and $65 million to these 401(k) savings plans for the years ended December 31, 2023, 2022 and 2021, respectively.

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Pension and Other Postretirement Benefit Plans

Certain of the Partnership’s subsidiaries sponsor pension and/or other postretirement benefit plans that provide benefits to a defined group of retirees. The following table contains information at the dates indicated about the obligations and funded status of pension and other postretirement plans on a combined basis:

	December 31, 2023						December 31, 2022
	Pension Benefits						Pension Benefits
	Funded Plans		Unfunded Plans		Other Postretirement Benefits		Funded Plans		Unfunded Plans		Other Postretirement Benefits
Change in benefit obligation:
Benefit obligation at beginning of period	$	22	$	19	$	148	$	50	$	26	$	195
Service cost	—		—		—		—		—		1
Interest cost	1		1		6		1		1		4
Benefits paid, net	(1)		(3)		(13)		(1)		(3)		(14)
Actuarial gain and other	1		—		(3)		(8)		(3)		(38)
Energy Transfer Canada sale	—		—		—		(20)		(2)		—
Benefit obligation at end of period	23		17		138		22		19		148
Change in plan assets:
Fair value of plan assets at beginning of period	20		—		259		44		—		311
Return on plan assets and other	2		—		29		(4)		—		(41)
Employer contributions	1		—		2		1		—		3
Benefits paid, net	(1)		—		(13)		(1)		—		(14)
Energy Transfer Canada sale	—		—		—		(20)		—		—
Fair value of plan assets at end of period	22		—		277		20		—		259
Amount underfunded (overfunded) at end of period	$	1	$	17	$	(139)	$	2	$	19	$	(111)
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	$	—	$	—	$	155	$	—	$	—	$	127
Current liabilities	—		(3)		(2)		—		(3)		(2)
Non-current liabilities	(1)		(14)		(14)		(2)		(16)		(14)
	$	(1)	$	(17)	$	139	$	(2)	$	(19)	$	111
Amounts recognized in accumulated other comprehensive income (pre-tax basis) consist of:
Net actuarial gain (loss)	$	—	$	(2)	$	(12)	$	—	$	(2)	$	5
Prior service credit	—		—		(3)		—		—		(3)
	$	—	$	(2)	$	(15)	$	—	$	(2)	$	2

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The following table summarizes information at the dates indicated for plans with an accumulated benefit obligation in excess of plan assets:

	December 31, 2023						December 31, 2022
	Pension Benefits						Pension Benefits
	Funded Plans		Unfunded Plans		Other Postretirement Benefits		Funded Plans		Unfunded Plans		Other Postretirement Benefits
Projected benefit obligation	$	23	$	15	N/A		$	22	$	19	N/A
Accumulated benefit obligation	23		17		$	138	22		19		$	148
Fair value of plan assets	22		—		277		20		—		259

Components of Net Periodic Benefit Cost

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Net periodic benefit cost:
Service cost	$	—	$	—	$	—	$	1
Interest cost	1		6		2		4
Expected return on plan assets	(1)		(12)		(2)		(11)
Prior service cost amortization	—		2		—		19
Actuarial gain amortization	—		(1)		—		—
Net periodic benefit cost	$	—	$	(5)	$	—	$	13

Assumptions

The weighted-average assumptions used in determining benefit obligations at the dates indicated are shown in the following table:

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Discount rate	2.70	%	4.62	%	5.00	%	2.46	%

The weighted-average assumptions used in determining net periodic benefit cost for the periods presented are shown in the following table:

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Discount rate	2.70	%	4.93	%	2.70	%	2.58	%
Expected return on assets:
Tax exempt accounts	7.00	%	7.00	%	7.00	%	7.00	%
Taxable accounts	—		4.75	%	—		4.75	%

The long-term expected rate of return on plan assets was estimated based on a variety of factors including the historical investment return achieved over a long-term period, the targeted allocation of plan assets and expectations concerning future returns in the marketplace for both equity and fixed income securities. Current market factors such as inflation and interest rates are evaluated before long-term market assumptions are determined. Peer data and historical returns are reviewed to ensure reasonableness and appropriateness.

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Index to Financial Statements

The assumed health care cost trend weighted-average rates used to measure the expected cost of benefits covered by the plans are shown in the following table:

	December 31,
	2023		2022
Health care cost trend rate	7.42	%	7.48	%
Rate to which the cost trend is assumed to decline (the ultimate trend rate)	5.17	%	5.18	%
Year that the rate reaches the ultimate trend rate	2031		2030

Changes in the health care cost trend rate assumptions are not expected to have a significant impact on postretirement benefits.

Plan Assets

The fair value of the pension plan assets by asset category at the dates indicated is as follows:

			Fair Value Measurements at December 31, 2023
	Fair Value Total		Level 1		Level 2		Level 3
Asset Category:
Cash and cash equivalents	$	2	$	2	$	—	$	—
Mutual funds (1)	20		20		—		—
Total	$	22	$	22	$	—	$	—

(1)Comprised of approximately 100% equities as of December 31, 2023.

			Fair Value Measurements at December 31, 2022
	Fair Value Total		Level 1		Level 2		Level 3
Asset Category:
Cash and cash equivalents	$	2	$	2	$	—	$	—
Mutual funds (1)	18		18		—		—
Total	$	20	$	20	$	—	$	—

(1)Comprised of approximately 100% equities as of December 31, 2022.

The fair value of other postretirement plan assets by asset category at the dates indicated is as follows:

			Fair Value Measurements at December 31, 2023
	Fair Value Total		Level 1		Level 2		Level 3
Asset category:
Cash and cash equivalents	$	13	$	13	$	—	$	—
Mutual funds(1)	166		166		—		—
Fixed income securities	98		—		98		—
Total	$	277	$	179	$	98	$	—

(1)Primarily composed of market index funds as of December 31, 2023.

			Fair Value Measurements at December 31, 2022
	Fair Value Total		Level 1		Level 2		Level 3
Asset category:
Cash and cash equivalents	$	19	$	19	$	—	$	—
Mutual funds(1)	146		146		—		—
Fixed income securities	94		—		94		—
Total	$	259	$	165	$	94	$	—

(1)Primarily composed of market index funds as of December 31, 2022.

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Index to Financial Statements

The Level 1 plan assets are valued based on active market quotes. The Level 2 plan assets are valued based on the net asset value per share (or its equivalent) of the investments, which was not determinable through publicly published sources but was calculated consistent with authoritative accounting guidelines. 

Contributions

We expect to contribute $3 million to pension plans and $1 million to other postretirement plans in 2024. The cost of the plans are funded in accordance with federal regulations, not to exceed the amounts deductible for income tax purposes.

Benefit Payments

The Partnership’s estimate of expected benefit payments, which reflect expected future service, as appropriate, in each of the next five years and in the aggregate for the five years thereafter are shown in the following table:

	Pension Benefits - Funded Plans		Pension Benefits - Unfunded Plans		Other Postretirement Benefits (Gross, Before Medicare Part D)
2024	$	1	$	3	$	14
2025	1		3		14
2026	1		2		13
2027	1		2		12
2028	1		2		32
2029 – 2033	7		5		23

The Medicare Prescription Drug Act provides for a prescription drug benefit under Medicare (“Medicare Part D”) as well as a federal subsidy to sponsors of retiree health care benefit plans that provide a prescription drug benefit that is at least actuarially equivalent to Medicare Part D.

The Partnership does not expect to receive any Medicare Part D subsidies in any future periods.

16.REPORTABLE SEGMENTS:

Our reportable segments currently reflect the following segments, which conduct their business primarily in the United States:

•intrastate transportation and storage;

•interstate transportation and storage;

•midstream;

•NGL and refined products transportation and services;

•crude oil transportation and services;

•investment in Sunoco LP;

•investment in USAC; and

•all other.

Consolidated revenues and expenses reflect the elimination of all material intercompany transactions.

Revenues from our intrastate transportation and storage segment are primarily reflected in natural gas sales and gathering, transportation and other fees. Revenues from our interstate transportation and storage segment are primarily reflected in gathering, transportation and other fees. Revenues from our midstream segment are primarily reflected in natural gas sales, NGL sales and gathering, transportation and other fees. Revenues from our NGL and refined products transportation and services segment are primarily reflected in NGL sales and gathering, transportation and other fees. Revenues from our crude oil transportation and services segment are reflected in crude sales and gathering, transportation and other fees. Revenues from our investment in Sunoco LP segment are primarily reflected in refined product sales. Revenues from our investment in USAC segment are primarily reflected in gathering, transportation and other fees. Revenues from our all other segment are primarily reflected in natural gas sales.

We report Segment Adjusted EBITDA as a measure of segment performance. We define Segment Adjusted EBITDA as total Partnership earnings before interest, taxes, depreciation, depletion, amortization and other non-cash items, such as

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Index to Financial Statements

non-cash compensation expense, gains and losses on disposals of assets, the allowance for equity funds used during construction, unrealized gains and losses on commodity risk management activities, inventory valuation adjustments, non-cash impairment charges, losses on extinguishments of debt and other non-operating income or expense items, as well as certain non-recurring gains and losses. Inventory adjustments that are excluded from the calculation of Adjusted EBITDA represent only the changes in lower of cost or market reserves on inventory that is carried at LIFO. These amounts are unrealized valuation adjustments applied to Sunoco LP’s fuel volumes remaining in inventory at the end of the period. Segment Adjusted EBITDA reflect amounts for unconsolidated affiliates based on the same recognition and measurement methods used to record equity in earnings of unconsolidated affiliates. Adjusted EBITDA related to unconsolidated affiliates excludes the same items with respect to the unconsolidated affiliate as those excluded from the calculation of Segment Adjusted EBITDA and consolidated Adjusted EBITDA, such as interest, taxes, depreciation, depletion, amortization and other non-cash items. Although these amounts are excluded from Adjusted EBITDA related to unconsolidated affiliates, such exclusion should not be understood to imply that we have control over the operations and resulting revenues and expenses of such affiliates. We do not control our unconsolidated affiliates; therefore, we do not control the earnings or cash flows of such affiliates. The use of Segment Adjusted EBITDA or Adjusted EBITDA related to unconsolidated affiliates as an analytical tool should be limited accordingly.

F - 74

Index to Financial Statements

The following tables present financial information by segment:

	Years Ended December 31,
	2023		2022		2021
Revenues:
Intrastate transportation and storage:
Revenues from external customers	$	3,222	$	6,954	$	7,307
Intersegment revenues	740		864		1,264
	3,962		7,818		8,571
Interstate transportation and storage:
Revenues from external customers	2,328		2,185		1,802
Intersegment revenues	47		66		39
	2,375		2,251		1,841
Midstream:
Revenues from external customers	2,911		4,114		2,620
Intersegment revenues	7,495		12,987		8,696
	10,406		17,101		11,316
NGL and refined products transportation and services:
Revenues from external customers	18,413		21,414		16,989
Intersegment revenues	3,490		4,243		2,972
	21,903		25,657		19,961
Crude oil transportation and services:
Revenues from external customers	26,534		25,980		17,442
Intersegment revenues	2		2		4
	26,536		25,982		17,446
Investment in Sunoco LP:
Revenues from external customers	23,026		25,677		17,571
Intersegment revenues	42		52		25
	23,068		25,729		17,596
Investment in USAC:
Revenues from external customers	824		689		621
Intersegment revenues	22		16		12
	846		705		633
All other:
Revenues from external customers	1,328		2,863		3,065
Intersegment revenues	470		711		411
	1,798		3,574		3,476
Eliminations	(12,308)		(18,941)		(13,423)
Total revenues	$	78,586	$	89,876	$	67,417

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Index to Financial Statements

	Years Ended December 31,
	2023		2022		2021
Cost of products sold:
Intrastate transportation and storage	$	2,616	$	6,000	$	4,769
Interstate transportation and storage	6		25		11
Midstream	6,503		12,682		8,569
NGL and refined products transportation and services	17,049		21,656		16,248
Crude oil transportation and services	23,071		22,917		14,759
Investment in Sunoco LP	21,703		24,350		16,246
Investment in USAC	137		111		85
All other	1,740		3,328		3,068
Eliminations	(12,284)		(18,837)		(13,360)
Total cost of products sold	$	60,541	$	72,232	$	50,395

	Years Ended December 31,
	2023		2022		2021
Depreciation, depletion and amortization:
Intrastate transportation and storage	$	214	$	209	$	191
Interstate transportation and storage	563		513		457
Midstream	1,451		1,351		1,190
NGL and refined products transportation and services	915		865		778
Crude oil transportation and services	740		663		588
Investment in Sunoco LP	187		193		177
Investment in USAC	246		237		239
All other	69		133		197
Total depreciation, depletion and amortization	$	4,385	$	4,164	$	3,817

	Years Ended December 31,
	2023		2022		2021
Equity in earnings (losses) of unconsolidated affiliates:
Intrastate transportation and storage	$	17	$	17	$	20
Interstate transportation and storage	260		175		140
Midstream	15		19		24
NGL and refined products transportation and services	76		44		51
Crude oil transportation and services	11		(2)		10
All other	4		4		1
Total equity in earnings of unconsolidated affiliates	$	383	$	257	$	246

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Index to Financial Statements

	Years Ended December 31,
	2023		2022		2021
Segment Adjusted EBITDA:
Intrastate transportation and storage	$	1,111	$	1,396	$	3,483
Interstate transportation and storage	2,009		1,753		1,515
Midstream	2,525		3,210		1,868
NGL and refined products transportation and services	3,894		3,025		2,828
Crude oil transportation and services	2,681		2,187		2,023
Investment in Sunoco LP	964		919		754
Investment in USAC	512		426		398
All Other	2		177		177
Adjusted EBITDA (consolidated)	$	13,698	$	13,093	$	13,046

	Years Ended December 31,
	2023		2022		2021
Reconciliation of net income to Adjusted EBITDA:
Net income	$	5,294	$	5,868	$	6,687
Depreciation, depletion and amortization	4,385		4,164		3,817
Interest expense, net of interest capitalized	2,578		2,306		2,267
Income tax expense	303		204		184
Impairment losses and other	12		386		21
Gains on interest rate derivatives	(36)		(293)		(61)
Non-cash compensation expense	130		115		111
Unrealized gains on commodity risk management activities	(3)		(42)		(162)
Inventory valuation adjustments	114		(5)		(190)
(Gains) losses on extinguishments of debt	(2)		—		38
Adjusted EBITDA related to unconsolidated affiliates	691		565		523
Equity in earnings of unconsolidated affiliates	(383)		(257)		(246)
Non-operating litigation-related loss	627		—		—
Other, net	(12)		82		57
Adjusted EBITDA (consolidated)	$	13,698	$	13,093	$	13,046

	December 31,
	2023		2022		2021
Segment assets:
Intrastate transportation and storage	$	6,112	$	6,609	$	7,322
Interstate transportation and storage	17,708		17,979		17,774
Midstream	25,592		21,851		21,960
NGL and refined products transportation and services	27,214		27,903		28,160
Crude oil transportation and services	25,464		19,200		19,649
Investment in Sunoco LP	6,826		6,830		5,815
Investment in USAC	2,737		2,666		2,768
All other and eliminations	2,045		2,605		2,515
Total segment assets	$	113,698	$	105,643	$	105,963

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Index to Financial Statements

	Years Ended December 31,
	2023		2022		2021
Additions to property, plant and equipment (1):
Intrastate transportation and storage	$	93	$	179	$	52
Interstate transportation and storage	383		644		159
Midstream	832		1,004		484
NGL and refined products transportation and services	679		507		751
Crude oil transportation and services	266		246		343
Investment in Sunoco LP	215		186		174
Investment in USAC	300		169		60
All other	100		91		135
Total additions to property, plant and equipment (1)	$	2,868	$	3,026	$	2,158

(1)Amounts are presented on the accrual basis, net of contributions in aid of constructions costs. Amounts exclude acquisitions and include only the Partnership’s proportionate share of capital expenditures related to joint ventures.

	December 31,
	2023		2022		2021
Investments in unconsolidated affiliates:
Intrastate transportation and storage	$	144	$	139	$	110
Interstate transportation and storage	2,179		2,201		2,209
Midstream	141		54		101
NGL and refined products transportation and services	390		398		457
Crude oil transportation and services	187		48		19
All other	56		53		51
Total investments in unconsolidated affiliates	$	3,097	$	2,893	$	2,947

F - 78

EX-4.69

Exhibit 4.69

DESCRIPTION OF THE REGISTRANT’S SECURITIES

REGISTERED PURSUANT TO SECTION 12 OF THE

SECURITIES EXCHANGE ACT OF 1934

DESCRIPTION OF SERIES I PREFERRED UNITS

The following description of the Series I Preferred Units does not purport to be complete and is subject to, and qualified in its entirety by reference to, the provisions of our Fourth Amended and Restated Agreement of Limited Partnership of Energy Transfer LP (the “Partnership”), as amended to date (the “Partnership Agreement”), which is incorporated by reference as an exhibit to this Annual Report on Form 10-K, of which this Exhibit is a part. We encourage you to read our Certificate of Limited Partnership, our Partnership Agreement and the applicable provisions of the Delaware Revised Uniform Limited Partnership Act for additional information. Capitalized terms used but not defined herein have the meanings ascribed to them in the Partnership Agreement.

General

There are 41,464,179 Series I Preferred Units issued and outstanding.

The holders of our common units, Series I Preferred Units and other partnership securities are entitled to receive, to the extent permitted by law and as provided in our Partnership Agreement, such distributions as may from time to time be declared by our general partner. Upon any liquidation, dissolution or winding up of our affairs, whether voluntary or involuntary, the holders of our common units, Series I Preferred Units and other partnership securities are entitled to receive distributions of our assets as provided in our Partnership Agreement, after we have satisfied or made provision for our outstanding indebtedness and other obligations and after payment to the holders of any class or series of limited partner interests having preferential rights to receive distributions of our assets over each such class of limited partner interests.

Subject to certain liquidation rights, each Series I Preferred Unit generally has a fixed liquidation preference of $9.1273 per Series I Preferred Unit (subject to adjustment for any splits, combinations or similar adjustment to the Series I Preferred Units) plus an amount equal to accumulated and unpaid distributions thereon to, but excluding, the date fixed for payment, whether or not declared.

The Series I Preferred Units represent perpetual equity interests in us and, unlike our indebtedness, do not give rise to a claim for payment of a principal amount at a particular date. As such, the Series I Preferred Units rank junior to all of our current and future indebtedness andother liabilities with respect to assets available to satisfy claims against us. The rights of the holders of Series I Preferred Units to receive the liquidation preference are subject to the rights of the holders of any senior securities and the proportional rights of holders of parity securities.

All of the Series I Preferred Units are represented by one or more certificates issued to the Depository Trust Company (“DTC”) (and its successors or assigns or any other securities

depositary selected by us) (the “Securities Depositary”) and registered in the name of its nominee, for credit to an account of a direct or indirect participant in the Securities Depositary (including, if applicable, Euroclear and Clearstream). So long as a Securities Depositary has been appointed and is serving, no person acquiring Series I Preferred Units is entitled to receive a certificate representing such Series I Preferred Units unless applicable law otherwise requires or the Securities Depositary resigns or is no longer eligible to act as such and a successor is not appointed.

We have appointed Equiniti Trust Company, LLC as the paying agent (the “Paying Agent”), and the registrar and transfer agent (the “Registrar and Transfer Agent”), for the Series I Preferred Units.

Ranking

The Series I Preferred Units, with respect to anticipated quarterly distributions and distributions upon the liquidation, winding-up and dissolution of our affairs, rank:

•senior to the junior securities (including our common units, Class A Units and Class B Units);

•on parity with the parity securities, including each series of our preferred units;

•junior to any senior securities; and

•junior to all of our existing and future indebtedness and other liabilities with respect to assets available to satisfy claims against us.

Under our Partnership Agreement, we may issue junior securities from time to time in one or more series without the consent of the holders of the Series I Preferred Units. Our general partner has the authority to determine the designations, preferences, rights, powers, and duties of any such series before the issuance of any units of that series. Our general partner will also determine the number of units constituting each series of securities. Our ability to issue additional parity securities in certain circumstances or senior securities is limited as described under “-Voting Rights.”

Voting Rights

Except as set forth in our Partnership Agreement or as otherwise required by Delaware law, the Series I Preferred Units have no voting rights.

Unless we have received the affirmative vote or consent of the holders of at least two-thirds of the outstanding Series I Preferred Units, voting as a separate class, we may not adopt any amendment to our Partnership Agreement that has a material adverse effect on the terms of the Series I Preferred Units.

In addition, unless we have received the affirmative vote or consent of the holders of at least two-thirds of the outstanding Series I Preferred Units, voting as a class together with

holders of each series of our preferred units or other parity securities upon which like voting rights have been conferred and are exercisable, we may not:

•create or issue any arity securities (including any additional Series I Preferred Units) if the cumulative distributions payable on then outstanding Series I Preferred Units (or parity securities, if applicable) are in arrears; or

•create or issue any senior securities.

On any matter on which the holders of the Series I Preferred Units are entitled to vote, such holders are entitled to one vote per Series I Preferred Unit. The Series I Preferred Units held by us or any of our subsidiaries or controlled affiliates are not entitled to vote.

Series I Preferred Units held in nominee or street name account will be voted by the broker or other nominee in accordance with the instruction of the beneficial owner unless the arrangement between the beneficial owner and its nominee provides otherwise.

Distributions

The Series I Preferred Units will be entitled to a cumulative distribution (the “Preferred Distribution”) of $0.2111 per quarter in respect of each new ET preferred unit, subject to certain adjustments (as may be adjusted, the “Preferred Distribution Amount”). Each Preferred Distribution will be paid in cash at the Preferred Distribution Amount unless, subject to certain exceptions, (i) there is no distribution being paid on parity securities and junior securities and (ii) the Partnership’s Available Cash, excluding any deductions to provide funds for distributions of Available Cash to the common unitholders in respect of any one or more of the next four quarters, is insufficient to pay the Preferred Distribution. If the Partnership fails to pay the Preferred Distribution in full in cash, then until such time as all accrued and unpaid Preferred Distributions are paid in full in cash, the Partnership will not be permitted to declare or make (a) any distributions in respect of any junior securities (including the common units) and (b) subject to certain exceptions, any distributions in respect of any parity securities.

If the Partnership fails to pay in full any Preferred Distribution, the amount of such unpaid distribution will accrue and accumulate from the last day of the quarter for which such distribution is due until paid in full. Further, each Series I Preferred Unit will have the right to share in any special distributions by the Partnership of cash, securities or other property (including in connection with any spin-off transaction) and in the form of such cash, securities or other property pro rata with the common units, as if the Series I Preferred Units had converted into common units at the then-applicable Conversion Ratio; provided, however¸ that at any time there are accrued but unpaid distributions on the Preferred Units, no such special distributions will be permitted.

Conversion

Holders of Series I Preferred Units may elect (i) to convert all or any portion of such preferred units, in an aggregate amount equaling or exceeding the Minimum Conversion Amount (as defined in the Partnership Agreement), into common units, at the then applicable Conversion Ratio (as defined in the Partnership Agreement, initially 2.07 common units for ten Series I

Preferred Units), subject to the payment of any accrued but unpaid distributions to the date of such conversion and (ii) in the event of the Partnership’s voluntary liquidation, dissolution or winding up, to convert all or any portion of such Series I Preferred Units into common units, at the then applicable Conversion Ratio, subject to payment of any accrued but unpaid distributions to the date of conversion.

At any time, subject to certain liquidity requirements set forth in the Partnership Agreement, if the volume-weighted average trading price of the common units on the national securities exchange on which the common units are then listed (the “VWAP Price”) for 20 trading days over the 30-trading day period ending on the close of trading on the day immediately preceding the date notice is given by the Partnership of election of its conversion right is greater than the quotient of (i) $13.691 divided by (ii) the then applicable Conversion Ratio (or approximately $66.14 based on the initial Conversion Ratio), the Partnership’s general partner, in its sole discretion, may convert all or a portion of the outstanding Series I Preferred Units into common units, at the then applicable Conversion Ratio, subject to the payment of any accrued but unpaid distributions to the date of conversion. Also, subject to certain liquidity requirements set forth in the Partnership Agreement, if the VWAP Price of the common units for 20 trading days over the 30-trading day period ending on the close of trading on the day immediately preceding the date notice is given by the Partnership of the exercise of its conversion right is greater than the quotient of (i) $9.1273 divided by (ii) the then applicable Conversion Ratio (or approximately $44.09 based on the initial Conversion Ratio), the Partnership’s general partner, in its sole discretion, may convert all, but not less than all, of the outstanding Series I Preferred Units into a number of common units equal to the Adjusted Conversion Amount (as defined in the Partnership Agreement).

No Sinking Fund

The Series I Preferred Units do not have the benefit of any sinking fund.

No Fiduciary Duty

We and our general partner and its officers and directors, do not owe any duties, including fiduciary duties, to holders of the Series I Preferred Units other than an implied contractual duty of good faith and fair dealing pursuant to our Partnership Agreement.

EX-4.70

Exhibit 4.70

DESCRIPTION OF THE REGISTRANT’S SECURITIES

REGISTERED PURSUANT TO SECTION 12 OF THE

SECURITIES EXCHANGE ACT OF 1934

Description of Common Units

Our common units represent limited partner interests in Energy Transfer LP (the “Partnership”). Our common units entitle the holders to participate in our cash distributions and to exercise the rights and privileges available to our limited partners under our Third Amended and Restated Agreement of Limited Partnership, as amended to date (our “partnership agreement”). For a description of the rights of holders of our common units to cash distributions, see the section below entitled “Distribution Policy.” For a description of the rights and privileges of limited partners under our partnership agreement, including voting rights, see the section below entitled “Our Partnership Agreement.” We urge you to read our partnership agreement, as our partnership agreement, and not this description, governs the rights of holders of our common units.

Number of Common Units

The majority of our common units are held by the public and the remaining are held by our affiliates. In accordance with Delaware law and the provisions of our partnership agreement, we may issue additional common units without the approval of the then-existing holders of common units, and such additional issuance may dilute the then-existing common unitholders percentage interests in our net assets and the voting rights of the common unitholders under our partnership agreement.

Voting Rights

Unlike the holders of common stock in a corporation, the holders of our common units have only limited voting rights on matters affecting our business. The holders of our common units have no right to elect the general partner or the directors of the general partner on an annual or otherwise continuing basis. Our general partner may not be removed except by the vote of the holders of at least 662⁄3% of the outstanding units, including units owned by the general partner and its affiliates. Each holder of common units is entitled to one vote for each common unit on all matters submitted to a vote of the unitholders. Common unitholders do not have preemptive rights to acquire additional common units or other partnership securities.

Holders of Energy Transfer common units may vote on the following matters:

•a sale or exchange of all or substantially all of our assets;

•the election of a successor general partner in connection with the withdrawal or removal of our general partner;

•dissolution or reconstitution of the Partnership;

•a merger of the Partnership;

•issuance of limited partner interests in some circumstances; and

•some amendments to our partnership agreement, including any amendment that would cause Energy Transfer to be treated as an association taxable as a corporation.

Removal of the general partner requires:

•a 662⁄3% vote of all outstanding units; and

•the election of a successor general partner by the holders of a majority of our outstanding common units.

Transfer of Energy Transfer Common Units

Any transfers of common units will not be recorded by the transfer agent or recognized by us unless the transferee executes and delivers a transfer application. By executing and delivering a transfer application, the transferee of common units:

•becomes the record holder of the common units and is an assignee until admitted as a substituted limited partner;

•automatically requests admission as a substituted limited partner;

•represents and warrants that such transferee has the right, power and authority and, if an individual, the capacity to enter into our partnership agreement;

•grants the powers of attorney set forth in our partnership agreement; and

•gives the consents and approvals and makes the waivers contained in our partnership agreement.

An assignee will become a substituted limited partner for the transferred common units upon the consent of our general partner and the recording of the name of the assignee on our books and records. Our general partner may withhold its consent in its sole discretion.

A transferee’s broker, agent or nominee may complete, execute and deliver a transfer application. We are entitled to treat the nominee holder of common units as the absolute owner. In that case, the beneficial holder’s rights are limited solely to those that it has against the nominee holder as a result of any agreement between the beneficial owner and the nominee holder.

Our common units are securities and are transferable according to the laws governing transfer of securities.

In addition to other rights acquired upon admission as a substituted limited partner for the transferred common units, a purchaser or transferee of our common units who does not execute and deliver a transfer application obtains only:

•the right to assign the common units to a purchaser or other transferee; and

•the right to transfer the right to seek admission as a substituted limited partner for the transferred common units.

Thus, a purchaser or transferee of our common units who does not execute and deliver a transfer application:

•will not receive cash distributions or federal income tax allocations, unless the common units are held in a nominee or “street name” account and the nominee or broker has executed and delivered a transfer application; and

•may not receive some federal income tax information or reports furnished to record holders of common units.

The transferor of common units has a duty to provide the transferee with all information that may be necessary to transfer the common units. The transferor does not have a duty to insure the execution of the transfer application by the transferee and has no liability or responsibility if the transferee neglects or chooses not to execute and forward the transfer application to the transfer agent.

Until a common unit has been transferred on our books, we and the transfer agent may treat the record holder of the common unit as the absolute owner for all purposes, except as otherwise required by law or stock exchange regulations.

Listing

Our outstanding common units are listed on the NYSE under the symbol “ET.” Any additional common units we issue also will be listed on the NYSE.

Transfer Agent and Registrar

Our transfer agent and registrar for the common units is American Stock Transfer & Trust Company.

Our Partnership Agreement

This description is a summary of the material provisions of our partnership agreement. The provisions of our partnership agreement relating to distributions of our available cash are described under “Distribution Policy.”

The description of our partnership agreement contained herein does not purport to be complete and is qualified in its entirety by reference to the complete text of our Third Amended and Restated Agreement of Limited Partnership, dated February 8, 2006, as amended. A copy of our partnership agreement is filed as Exhibit 3.1 to our Current Report on Form 8-K filed with the SEC on February 14, 2006, as amended by Amendment No. 1 to our partnership agreement, a copy of which is filed as Exhibit 3.3.1 to our Current Report on Form 8-K filed with the SEC on November 29, 2006, as amended by Amendment No. 2 to our partnership agreement, a copy of which is filed as Exhibit 3.3.2 to our Current Report on Form 8-K filed with the SEC on November 13, 2007, as amended by Amendment No. 3 to our partnership agreement, a copy of which is filed as Exhibit 3.1 to our Current Report on Form 8-K filed with the SEC on June 2, 2010, as amended by Amendment No. 4 to our partnership agreement, a copy of which is filed as Exhibit 3.1 to our Current Report on Form 8-K filed with the SEC on December 27, 2013, as amended by Amendment No. 5 to our partnership agreement, a copy of which is filed as Exhibit 3.1 to our Current Report on Form 8-K filed with the SEC on March 9, 2016, as amended by Amendment No. 6 to our partnership agreement, a copy of which is filed as Exhibit 3.2 to our Current Report on Form 8-K filed with the SEC on October 19, 2018, as amended by Amendment No. 7 to our partnership agreement, a copy of which is filed as Exhibit 3.10 to our Quarterly Report on Form 10-Q filed with the SEC on August 8, 2019, as amended by Amendment No. 8 to our partnership agreement, a copy of which is filed as Exhibit 3.1 to our Current Report on Form 8-K filed with the SEC on April 1, 2021, as amended by Amendment No. 9 to our partnership agreement, a copy of which is filed as Exhibit 3.1 to our Current Report on Form 8-K filed with the SEC on June 15, 2021, each of which is incorporated by reference into this description. We urge you to read our partnership agreement, as our partnership agreement, and not this description, governs our partnership interests.

Purpose

Under our partnership agreement, we are permitted to engage, directly or indirectly, in any business activity that is approved by our general partner and that lawfully may be conducted by a limited partnership organized under Delaware law, provided that our general partner may not cause us to engage, directly or indirectly, in any business activity that our general partner determines would cause us to be treated as an association taxable as a corporation or otherwise taxable as an entity for federal income tax purposes.

Power of Attorney

Each unitholder, and each person who acquires a unit from a unitholder, by accepting the unit, automatically grants to our general partner and, if appointed, a liquidator, a power of attorney to, among other things, execute and file documents required for our qualification, continuance or dissolution. The power of attorney also grants the authority to amend, and to make consents and waivers under, our partnership agreement.

Distributions

Pursuant to our partnership agreement, we make quarterly distributions of available cash to all unitholders and our general partner. Please see “Distribution Policy.”

Reimbursement of Expenses

Our partnership agreement requires us to reimburse our general partner for all direct and indirect expenses it incurs or payments it makes on our behalf and all other expenses allocable to us or otherwise incurred by our general partner in connection with operating our business. These expenses include salary, bonus, incentive compensation and other amounts paid to persons who perform services for us or on our behalf and expenses allocated to our general partner by its affiliates. Our general partner is entitled to determine in good faith the expenses that are allocable to us.

Issuance of Additional Partnership Securities; Preemptive Rights

Our partnership agreement authorizes us to issue an unlimited number of additional partnership securities and options, rights, warrants and appreciation rights relating to the partnership securities for any partnership purpose at any time and from time to time to such persons, for such consideration and on such terms and conditions as our general partner determines, all without the approval of any limited partners.

It is possible that we will fund acquisitions through the issuance of additional common units or other equity securities. Holders of any additional common units we issue will be entitled to share equally with the then-existing holders of common units in our distributions of available cash. In addition, the issuance of additional partnership interests may dilute (i) the percentage interests of the then-existing holders of common units in our net assets and (ii) the voting rights of the then-existing holders of common units under our partnership agreement.

In accordance with Delaware law and the provisions of our partnership agreement, we may also issue additional partnership securities that have special voting rights to which the common units are not entitled.

Upon issuance of additional partnership securities, our general partner will have the right to make additional capital contributions to the extent necessary to maintain its then-current general partner interest in us; provided, however, that the capital contributions of our general partner will be offset to the extent contributions received by us in exchange for the issuance of additional partnership securities are used by us concurrently with such contributions to redeem or repurchase from any person outstanding partnership securities of the same class as the partnership securities that were issued. Moreover, our general partner will have the right, which it may from time to time assign in whole or in part to any of its affiliates, to purchase common units or other partnership securities whenever, and on the same terms that, we issue those securities to persons other than our general partner and its affiliates, to the extent necessary to maintain its percentage interest, including its interest represented by common units, that existed immediately prior to each issuance.

The holders of our common units do not have preemptive rights to acquire additional common units or other partnership securities.

We also have Class A units representing limited partner interests (the “Class A units”) outstanding. The Class A units vote together with our common units, as a single class, on any matter for which the holders of common units are entitled to vote, except as required by law. Additionally, for so long as Kelcy Warren is an officer or a director of our general partner, upon the issuance by us of additional common units or any securities that have voting rights that are pari passu with our common units, we will issue to the holder of Class A units a number of additional Class A units such that the holder maintains a voting interest in us that is identical to its voting interest in us prior to such issuance. The Class A units are not entitled to distributions and otherwise have no economic attributes, except that the Class A units in the aggregate will be entitled to an aggregate $100 distribution prior and in preference to any distribution of assets to the holders of any other classes or series of our securities upon our liquidation, dissolution or winding up. The Class A units are not convertible into, or exchangeable for, common units. In addition to the other voting rights of the Class A units, without the approval of 66 2/3% of the Class A units, we may not take any action that disproportionately or materially adversely affects the rights, preferences or privileges of the Class A units or amend the terms of the Class A units. Without the prior approval of a conflicts committee of the board of directors of our general partner, the Class A units may not be transferred to any person or entity, other than to Kelcy Warren, Ray Davis or to any trust, family partnership or family limited liability company the sole beneficiaries, partners or members of which are Kelcy Warren, Ray Davis or their respective relatives.

Amendments to Our Partnership Agreement

General

Amendments to our partnership agreement may be proposed only by our general partner. Our general partner has no duty or obligation to propose any amendment to our partnership agreement and may decline to do so free of any fiduciary duty or obligation whatsoever to us, any limited partner or assignee and, in declining to propose an amendment, is not required to act in good faith or pursuant to any other standard imposed by our partnership agreement, any other agreement contemplated under our partnership agreement or under the Delaware Act or any other law, rule or regulation. A proposed amendment will be effective upon its approval by the holders of a majority of the outstanding common units (a “unit majority”), unless a greater or different percentage is required under our partnership agreement or by Delaware law. Each proposed amendment that requires the approval of the holders of a

specified percentage of outstanding units will be set forth in a writing that contains the text of the proposed amendment. If such an amendment is proposed, our general partner will seek the written approval of the requisite percentage of outstanding units or call a meeting of the unitholders to consider and vote on such proposed amendment. Our general partner will notify all record holders upon final adoption of any such proposed amendments.

Restrictions on Certain Amendments

Our partnership agreement provides that:

1.no provision of our partnership agreement that establishes a percentage of outstanding units (including units deemed owned by our general partner) required to take any action shall be amended, altered, changed, repealed or rescinded in any respect that would have the effect of reducing such voting percentage unless such amendment is approved by the written consent or the affirmative vote of holders of outstanding units whose aggregate outstanding units constitute not less than the voting requirement sought to be reduced;

2. no provision of our partnership agreement that establishes a percentage of outstanding units (including units deemed owned by our general partner) required to take any action shall be amended, altered, changed, repealed or rescinded in any respect that would have the effect of reducing such voting percentage unless such amendment is approved by the written consent or the affirmative vote of holders of outstanding units whose aggregate outstanding units constitute not less than the voting requirement sought to be reduced;

3.no amendment to our partnership agreement may (a) enlarge the obligations of any limited partner without its consent, unless such shall be deemed to have occurred as a result of an amendment approved pursuant to clause (3) below, (b) enlarge the obligations of, restrict in any way any action by or rights of, or reduce in any way the amounts distributable, reimbursable or otherwise payable to, our general partner or any of its affiliates without its consent, which consent may be given or withheld at its option, (c) change the provision of our partnership agreement providing for our dissolution upon an election to dissolve our partnership by our general partner that is approved by a unit majority (the “election to dissolve provision”), or (d) change the term of our partnership or, except as set forth in the election to dissolve provision, give any person the right to dissolve our partnership;

4.except for mergers or consolidations approved pursuant to the partnership agreement, and without limitation of our general partner’s authority to adopt amendments to our partnership agreement described below under “—No Unitholder Approval,” any amendment that would have a material adverse effect on the rights or preferences of any class of partnership interests in relation to other classes of partnership interests must be approved by the holders of not less than a majority of the outstanding partnership interests of the class affected;

5.except for amendments described below under “—No Unitholder Approval” and except in connection with unitholder approval of a merger or consolidation, no amendments shall become effective without the approval of the holders of at least 90% of the outstanding units voting as a single class unless we obtain an opinion of counsel to the effect that such amendment will not affect the limited liability of any limited partner under applicable law; and

6.except for amendments described below under “—No Unitholder Approval,” the provisions set forth in clauses (1) through (4) above may only be amended with the approval of the holders of at least 90% of the outstanding units.

No Unitholder Approval

Our general partner, without the approval of any limited partner, may amend any provision of our partnership agreement to reflect:

1.a change in our name, the location of our principal place of business, our registered agent or our registered office;

2.admission, substitution, withdrawal or removal of partners in accordance with our partnership agreement;

3.a change that our general partner determines to be necessary or appropriate to qualify or continue the qualification of our partnership as a limited partnership or a partnership in which the limited partners have limited liability under the laws of any state or to ensure that the members of the partnership group will not be treated as associations taxable as corporations or otherwise taxed as entities for federal income tax purposes;

4.a change that our general partner determines (a) does not adversely affect the limited partners (including any particular class of partnership interests as compared to other classes of partnership interests) in any material respect, (b) to be necessary or appropriate to (i) satisfy any requirements, conditions or guidelines contained in any opinion, directive, order, ruling or regulation of any federal or state agency or judicial authority or contained in any federal or state statute (including the Delaware Act) or (ii) facilitate the trading of our units (including the division of any class or classes of outstanding units into different classes to facilitate uniformity of tax consequences within such classes of units) or comply with any rule, regulation, guideline or requirement of any national securities exchange on which the units are or will be listed for trading, (c) to be necessary or appropriate in connection with action taken by our general partner pursuant to the provisions of our partnership agreement governing distributions, subdivisions and combinations of partnership securities or (d) is required to effect the intent of the provisions of our partnership agreement or is otherwise contemplated by our partnership agreement;

5.a change in our fiscal year or taxable year and any other changes that our general partner determines to be necessary or appropriate as a result of a change in our fiscal year or taxable year, including, if our general partner shall so determine, a change in the definition of “Quarter” under our partnership agreement and the dates on which distributions are to be made by us;

6.an amendment that is necessary, in the opinion of counsel, to prevent us, or our general partner or its directors, officers, trustees or agents from in any manner being subjected to the provisions of the Investment Company Act of 1940, as amended, the Investment Advisers Act of 1940, as amended, or “plan asset” regulations adopted under the Employee Retirement Income Security Act of 1974, as amended, regardless of whether such are substantially similar to plan asset regulations currently applied or proposed by the United States Department of Labor;

7.subject to certain limitations, an amendment that our general partner determines to be necessary or appropriate in connection with the authorization of issuance of any class or series of partnership securities pursuant to our partnership agreement;

8.any amendment expressly permitted in our partnership agreement to be made by our general partner acting alone;

9.an amendment effected, necessitated or contemplated by a merger agreement approved in accordance with the provisions of our partnership agreement;

10.an amendment that our general partner determines to be necessary or appropriate to reflect and account for the formation by us of, or investment by us in, any corporation, partnership, joint venture, limited liability company or other entity, in connection with the conduct by us of activities permitted by the terms of our partnership agreement;

11.a merger or conveyance pursuant to which (a) our general partner has received an opinion of counsel that the conversion, merger or conveyance, as the case may be, would not result in the loss of the limited liability of any limited partner or any member of the partnership group or cause us or any member of the partnership group to be treated as an association taxable as a corporation or otherwise to be taxed as an entity for federal income tax purposes (to the extent not previously treated as such), (b) the sole purpose of such conversion, merger or conveyance is to effect a mere change in the legal form of us into another limited liability entity and (c) the governing instruments of the new entity provide the limited partners and our general partner with the same rights and obligations as are contained in our partnership agreement; or

12.any other amendments substantially similar to the foregoing.

Withdrawal or Removal of Our General Partner

Our general partner may withdraw as general partner without first obtaining approval of any unitholder by giving 90 days’ notice to our unitholders, and that withdrawal will not constitute a breach of our partnership agreement. In addition, our partnership agreement permits our general partner in some instances to sell or otherwise transfer all of its general partner interest in us without the approval of the unitholders.

If our general partner gives a notice of withdrawal, the holders of a unit majority, may, prior to the effective date of such withdrawal, elect a successor general partner. The person so elected as successor general partner will automatically become the successor general partner or managing member, to the extent applicable, of the other members of the partnership group of which our general partner is a general partner or a managing member. If, prior to the effective date of our general partner’s withdrawal, a successor is not selected by our unitholders or we do not receive a withdrawal opinion of counsel regarding limited liability and tax matters, our partnership will be dissolved in accordance with our partnership agreement.

Our general partner may be removed if such removal is approved by our unitholders holding at least 66 2/3% of the outstanding units (including units held by our general partner and its affiliates). The right of the holders of outstanding units to remove our general partner may not be exercised unless we have received a withdrawal opinion of counsel regarding limited liability and tax matters. The ownership of more than 33 1/3% of our outstanding units by our general partner and its affiliates would give it the practical ability to prevent its removal.

We will be required to reimburse the departing general partner for all amounts due the departing general partner, including, without limitation, all employee-related liabilities, including severance liabilities, incurred in connection with the termination of any employees employed by the departing general partner or its affiliates for the benefit of us or the other members of the partnership group.

Transfer of General Partner Interest

Our general partner may transfer all or any of its general partner interest without unitholder approval. At any time, the members of our general partner may sell or transfer all or part of their membership interests in our general partner to an affiliate or a third party without the approval of our unitholders.

Liquidation and Distribution of Proceeds

We will continue as a limited partnership until dissolved under our partnership agreement. We will dissolve upon:

•the withdrawal, removal, bankruptcy or dissolution of our general partner, unless a successor general partner is elected prior to or on the effective date of such withdrawal, removal, bankruptcy or dissolution and a withdrawal opinion of counsel is received by us;

•an election to dissolve us by our general partner that is approved by the holders of a unit majority;

•the entry of a decree of judicial dissolution of us pursuant to the provisions of the Delaware Act; or

•the sale, exchange or other disposition of all or substantially all of the assets and properties of the partnership group.

Upon (a) our dissolution following the withdrawal or removal of our general partner and the failure of the partners to select a successor general partner, then within 90 days thereafter, or (b) our dissolution upon the bankruptcy or dissolution of our general partner, then, to the maximum extent permitted by law, within 180 days thereafter, the holders of a unit majority may elect to reconstitute us and continue our business on the same terms and conditions set forth in our partnership agreement by forming a new limited partnership on terms identical to those set forth in our partnership agreement and having as the successor general partner a person approved by the holders of a unit majority. Unless such an election is made within the applicable time period as set forth above, we shall conduct only activities necessary to wind up our affairs.

Limited Call Right

If at any time our general partner and its affiliates hold more than 90% of the total limited partner interests of any class then outstanding, our general partner will then have the right, which right it may assign and transfer in whole or in part to us or any affiliate of our general partner, exercisable at its option, to purchase all, but not less than all, of such limited partner interests of such class then outstanding held by persons other than our general partner and its affiliates. As a consequence, a unitholder may be required to sell his common units at an undesirable time or price.

Indemnification

Section 17-108 of the Delaware Act empowers a Delaware limited partnership to indemnify and hold harmless any partner or other person from and against all claims and demands whatsoever. Under our partnership agreement, in most circumstances, we will indemnify the following persons (each an “indemnitee”) to the fullest extent permitted by law, from and against any and all losses, claims, damages, liabilities, joint or several, expenses (including legal fees and expenses), judgments, fines, penalties, interest, settlements or other amounts arising from any and all claims, demands, actions, suits or proceedings, whether civil, criminal, administrative or investigative, in which any indemnitee may be involved, or is threatened to be involved, as a party or otherwise, by reason of its status as an indemnitee:

•our general partner;

•any departing general partner;

•any person who is or was an affiliate of our general partner or any departing general partner;

•any person who is or was a member, partner, officer, director, fiduciary or trustee of any member of the partnership group, our general partner or any departing partner or any affiliate of any member of the partnership group, our general partner or any departing partner;

•any person who is or was serving at the request of our general partner or any departing partner or any affiliate of our general partner or any departing partner as an officer, director, member, partner, fiduciary or trustee of another person (provided, that a person will not be an indemnitee by reason of providing, on a fee-for-services basis, trustee, fiduciary or custodial services); or

•any person that our general partner designates as an “indemnitee” for purposes of our partnership agreement.

Any indemnification under these provisions will only be out of our assets. Unless it otherwise agrees in its sole discretion, our general partner will not be personally liable for, or have any obligation to contribute or loan funds or assets to us to enable us to effectuate, such indemnification. We may purchase insurance against liabilities asserted against and expenses incurred by persons for our activities, regardless of whether we would have the power to indemnify the person against liabilities under the partnership agreement.

Under our partnership agreement, an indemnitee will not be indemnified and held harmless if there has been a final and non-appealable judgment entered by a court of competent jurisdiction determining that, in respect of the matter for which the indemnitee is seeking indemnification pursuant to our partnership agreement, the indemnitee acted in bad faith or engaged in fraud, willful misconduct or gross negligence or, in the case of a criminal matter, acted with knowledge that the indemnitee’s conduct was unlawful.

In the opinion of the SEC, indemnification provisions that purport to include indemnification for liabilities arising under the Securities Act are contrary to public policy and are, therefore, unenforceable.

Registration Rights

Under our partnership agreement, we have agreed to register for resale under the Securities Act and applicable state securities laws any units or other partnership securities proposed to be sold by our general partner or any of its affiliates or their assignees if an exemption from the registration requirements is not otherwise available. We are obligated to pay all expenses incidental to the registration, excluding underwriting discounts and commissions.

Distribution Policy

General

We will distribute to our unitholders, within 50 days after the end of each quarter, all of our available cash in the manner described below.

Definition of Available Cash

Available cash generally means, for any calendar quarter, all cash on hand at the end of such quarter:

•less the amount of cash that the general partner determines in good faith is necessary or appropriate to:

▪provide for the proper conduct of business;

▪satisfy general, administrative and other expenses and debt service requirements;

▪comply with applicable law, any of our debt instruments or other agreements;

▪provide funds for distributions to our unitholders and to our general partner for any one or more of the next four quarters; or

▪provide funds for distributions on our outstanding preferred units and Class B units;

•plus all cash on hand on the date of determination of available cash for the quarter.

Distributions of Cash Upon Liquidation

If we dissolve in accordance with our partnership agreement, we will sell or otherwise dispose of our assets in a process called a liquidation. We will first apply the proceeds of liquidation to the payment of our creditors in the order of priority provided in the partnership agreement and by law, and, thereafter, we will distribute $100 to the holders of our Class A Units in the aggregate and any remaining proceeds to our other unitholders, including the holders of our common units and our general partner, in accordance with their respective positive capital account balances, as adjusted to reflect any gain or loss upon the sale or other disposition of our assets in liquidation.

No unitholder will have any obligation to restore any negative balance in its capital account upon liquidation of us.

Distributions to Preferred Unitholders

Prior to making any distributions to the unitholders as described above, the holders of our preferred units are entitled to receive, when, as, and if declared by our general partner out of legally available funds for such purpose, cumulative quarterly cash distributions. Unless otherwise determined by our general partner, distributions on the ET preferred units are deemed to have been paid out of available cash with respect to the quarter ended immediately preceding the quarter in which the distribution is made.

Distributions on each class of ET preferred units are subject to an initial fixed distribution rate for a specified term, followed by a floating or reset distribution rate, as applicable, to extend thereafter until all outstanding ET preferred units of that class are redeemed.

The 6.250% Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units have an initial distribution rate of 6.250% of the Series A liquidation preference of $1,000 per Series A preferred unit (the “Series A Liquidation Preference”) until February 14, 2023 and, thereafter, distributions will accumulate for each distribution period at a percentage of the Series A Liquidation Preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, plus a spread of 4.028% per annum.

The 6.625% Series B Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units have an initial distribution rate of 6.625% of the Series B liquidation preference of $1,000 per Series B preferred unit (the “Series B Liquidation Preference”) until February 14, 2028 and, thereafter, distributions will accumulate for each distribution period at a percentage of the Series B Liquidation Preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, plus a spread of 4.155% per annum.

The 7.375% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units have an initial distribution rate of 7.375% of the Series C liquidation preference of $25.00 per Series C preferred unit (the “Series C Liquidation Preference”) until May 14, 2023 and, thereafter, distributions will accumulate for each distribution period at a percentage of the Series C Liquidation Preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, plus a spread of 4.530% per annum.

The 7.625% Series D Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units have an initial distribution rate of 7.625% of the Series D liquidation preference of $25.00 per Series D preferred unit (the “Series D Liquidation Preference”) until August 14, 2023 and, thereafter, distributions will accumulate for each distribution period at a percentage of the Series D Liquidation Preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, plus a spread of 4.738% per annum.

The 7.600% Series E Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units have an initial distribution rate of 7.600% of the Series E liquidation preference of $25.00 per Series E preferred unit (the “Series E Liquidation Preference”) until May 15, 2024 and, thereafter, distributions will accumulate for each distribution period at a percentage of the Series E Liquidation Preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, plus a spread of 5.161% per annum.

The 6.750% Series F Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units have an initial distribution rate of 6.750% of the Series F liquidation preference of $1,000 per Series F preferred unit (the “Series F Liquidation Preference”) until May 15, 2025 and, thereafter, distributions will accumulate for each distribution period at a percentage of the Series D Liquidation Preference equal to the Five-year U.S. Treasury Rate as of the most recent Series F Reset Distribution Determination Date plus a spread of 5.134% per annum.

The 7.125% Series G Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units have an initial distribution rate of 7.125% of the Series G liquidation preference of $1,000 per Series G preferred unit (the “Series G Liquidation Preference”) until May 15, 2030 and, thereafter, distributions will accumulate for each distribution period at a percentage of the Series G Liquidation Preference equal to the Five-year U.S. Treasury Rate as of the most recent Series G Reset Distribution Determination Date plus a spread of 5.306% per annum.

The 6.500% Series H Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Units have an initial distribution rate of 6.500% of the Series H liquidation preference of $1,000 per Series H preferred unit (the “Series H Liquidation Preference”) until November 15, 2026 and, thereafter, distributions will accumulate for each distribution period at a percentage of the Series H Liquidation Preference equal to the Five-year U.S. Treasury Rate as of the most recent Series H Reset Distribution Determination Date plus a spread of 5.694% per annum.

The Series I Fixed-Rate Perpetual Preferred Units have a distribution rate of $0.2111 per quarter for each Series I preferred unit, subject to certain adjustments, and a liquidation preference initially equal to $9.1273 per Series I preferred unit.

Distributions to Other Units

Our partnership agreement provides that each Class B unit is entitled to a quarterly cash distribution in an amount equal to $0.35325 per Class B unit. If we are unable to pay the Class B unit quarterly distribution with respect to any quarter, (i) the amount of such accrued and unpaid distributions will accumulate until paid in full in cash and (ii) the balance of such accrued and unpaid distributions shall increase at a rate of 1.5% per annum, compounded quarterly, from the date such distribution was due until the date it is paid.

EX-10.15

Exhibit 10.15

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AMENDED AND RESTATED ENERGY TRANSFER LP

ANNUAL BONUS PLAN

Effective as of January 1, 2023

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Annual Bonus Plan

AMENDED AND RESTATED ENERGY TRANSFER LP

ANNUAL BONUS PLAN

1.Purpose. The purpose of this Plan is to motivate management and the employees who perform services for the Partnership and/or its affiliates and subsidiaries to earn annual cash awards through the achievement of performance and target goals.

2.Definitions. As used in this Plan, the following terms shall have the meanings herein specified:

2.1Actual Resultsmeans the dollar amount of Adjusted EBITDA, Distributable Cash Flow, Departmental Budget or other applicable financial measure specified for the Budget Target(s) for a Plan Year actually achieved for such Plan Year as determined by the Partnership following the end of such Plan Year.

2.2Adjusted EBITDA means earnings before interest, taxes, depreciation and amortization adjusted for non-cash compensation and extraordinary costs, including but not limited to transactional costs.

2.3Annual Bonus means the cash bonus paid to an Eligible Employee for the Plan Year.

2.4Annual Target Bonus means, for an Eligible Employee, a percentage of such Eligible Employee’s Eligible Earnings, and shall be dependent on a number of factors which may include but are not limited to an employee’s position title, job responsibilities, and reporting level within the Partnership. The Partnership may, but is not required to, specify a specific range for an Eligible Employee at any time prior to or during a Plan Year; provided that any such range may be adjusted from time to time or at any time in the Partnership’s sole discretion, including for the applicable Plan Year.

2.5Annual Target Bonus Pool means, for a Plan Year, the Target Bonus of the Eligible Employees of the Partnership or one its employing affiliates for that Plan Year.

2.6Board means the Board of Directors of the Company.

2.7Bonus Pool Payout Factor means the multiplier factor applied to the Annual Target Bonus Pool to determine the Funded Bonus Pool for the applicable Plan Year. The payout is determined by the comparison of the Budget Target(s) for the Plan Year to Actual Results. General guidelines for the Budget Target and the Bonus Pool Payout Factor associated with such Budget Target for a Plan Year are set forth below, but each are subject to the sole discretion of the Compensation Committee. The Bonus Pool Payout Factor for purposes of the Plan shall be adjusted each Plan Year based on the specific allocation of Annual Target Bonus Pools to each of the specified Budget Target(s). Such allocations of each Budget Target to the total Annual Bonus Pool shall be determined on an annual basis by the Compensation Committee. For 2023, the Adjusted EBITDA Budget Target shall comprise 60% of the total Annual Target Bonus Pool, the Distributable Cash Flow Budget Target shall comprise 25% of the total Annual Target Bonus Pool and the Departmental Budget Target shall comprise the remaining 15% of the total Annual Target Bonus Pool. While the Funded Bonus Pool will reflect an aggregation of performance under each Bonus Pool Payout Factor the performance of Adjusted EBITDA Budget Target shall drive calculation of the Bonus Pool, as no other targets shall be considered unless the Adjusted EBITDA Target results is at least 80% of its Budget Target.

Annual Bonus Plan

Adjusted EBITDA Performance Target Payout Factor Guidelines

% of Budget Target	Bonus Pool Payout Factor
>110	1.35x
107 - 110	1.30x
105 – 107	1.25x
103 – 105	1.20x
101 – 103	1.10x
95.0 - 101	1.00X
90.0 – 94.9	.90x
85.0 - 89.9	.85x
80 – 84.9	.75x
< 80.0	.0x

Distributable Cash Flow Performance Target Payout Factor Guidelines

% of Budget Target	Bonus Pool Payout Factor
>110	1.35x
107 - 110	1.30x
105 – 107	1.25x
103 – 105	1.20x
101 – 103	1.10x
95.0 - 101	1.00X
90.0 – 94.9	.90x
85.0 - 89.9	.85x
80.0 – 84.9	.75x
< 80.0	.0x

Annual Bonus Plan

Departmental Budget Target Payout Factor Guidelines

% of Budget Target	Bonus Pool Payout Factor
0.0-101	1.00x
101.0-105.9	.90x
106.0 – 110.9	.70x
111.0-114.9	.50x
>115	.0x

2.8Budget Target means the specific dollar amount of Adjusted EBITDA, Distributable Cash Flow, total Departmental Budget and/or other financial measure(s) established by the Compensation Committee for the Partnership for a Plan Year.

2.9Company means LE GP, LLC, a Delaware limited liability company. The term “Company” shall include any successor to LE GP, LLC, any subsidiary or affiliate thereof that has adopted the Plan, or any entity succeeding to the business of LE GP, LLC, or any subsidiary or affiliate, by merger, consolidation, liquidation, or purchase of assets or equity, or similar transaction.

2.10Compensation Committee means the Compensation Committee of the Company’s Board.

2.11Departmental Budget means the specific dollar amount of general and administrative expenses (i.e. operating budget) or operating and maintenance expenses set for each department of Partnership and its subsidiaries. In the case where a department head oversees multiple departments the Departmental Budget shall be the total aggregate budget for all of his/her departments.

2.12Distributable Cash Flowmeans net income, adjusted for certain non-cash items, less maintenance capital expenditures.

2.13Eligible Earnings means the aggregate regular earnings plus overtime earnings, if any, received by an Eligible Employee during the Plan Year. For the avoidance of doubt, neither distribution payments or distribution equivalent payments on any Partnership restricted common or restricted phantom units nor any other bonus or sign-on payments received by an Eligible Employee during the Plan Year shall be included in the calculation of Eligible Earnings for an Eligible Employee.

2.14Eligible Employee has the meaning set forth in Section 4 below.

2.15Funded Bonus Pool means the Annual Target Bonus Pool for a Plan Year multiplied by the applicable Bonus Pool Payout Factor for such Plan Year. The establishment and amount of a Funded Bonus Pool is 100% discretionary and subject to the final approval of and/or adjustment by the Compensation Committee. In addition, the Compensation Committee shall have the authority to set Funded Bonus Pool above the achieved results after calculating the Bonus Payout Factor or to set a Funded Bonus Pool below the achieved results after calculating the Bonus Payout Factor, including a reduction to 0%.

2.16Operational Safety Standards means the safety standards, training and requirements set forth on Exhibit A hereto, which operations based Eligible Employees are required to comply.

Annual Bonus Plan

2.17Partnership means Energy Transfer LP, a Delaware master limited partnership.

2.18Person means an individual, corporation, limited liability company, partnership, joint venture, trust, unincorporated organization, association, government agency or political subdivision thereof or other entity.

2.19Plan means the Partnership’s Annual Bonus Plan as set forth herein, as the same may be amended from time to time.

2.20Plan Year means the performance (calendar) year for the measurement and determination of the Budget Target and the calculation of Actual Results. Unless otherwise determined by the Compensation Committee, each Plan Year shall be the one year period commencing on January 1 and ending on December 31 of the calendar year.

3.Plan Guidelines and Administration. The administration of the Plan and any determination to approve a Funded Bonus Pool pursuant to the Plan are subject to the sole determination and discretion of the Compensation Committee. The Compensation Committee will review the Partnership’s performance results for the designated Plan Year, the Budget Target and Bonus Pool Payout Factor for each Plan Year and thereafter will determine, in consultation with the Company’s Chief Executive Officer and the Company’s Chief Human Resources Officer, whether or not and to what extent to approve the Funded Bonus Pool under the Plan. As noted in Section 2.15 above, the Committee reserves the right to determine to adjust up or down, at its discretion, the Funded Bonus Pool.

The Compensation Committee may delegate the responsibility for the administration and operation of the Plan to the Chief Executive Officer of the Company or his/her designee(s). The Compensation Committee or the person(s) to which administrative authority has been delegated (the Committee or such person referred to as the “Plan Administrator”) shall have the authority to interpret and construe any and all provisions of the Plan, including the establishment for any designated Plan Year or from time to time any Budget Targets, Budget Target guidelines, Bonus Pool Payout Factors and/or such other economic or performance factors as the Plan Administrator shall determine and whether and to what extent any such targets, guidelines or factors has been achieved. Any determination made by the Plan Administrator shall be final and conclusive and binding on all persons.

4.Eligible Employees. Subject to the discretion of the Compensation Committee and such other criteria as may be established by the Compensation Committee in general or for a particular Plan Year, all regular full-time employees providing services to the Partnership and its subsidiaries are eligible to participate in the Annual Target Bonus Pool for a Plan Year. No Eligible Employee shall be entitled to receive an Annual Bonus for a Plan Year unless he or she is actively employed by the Partnership or one of its employing affiliates on the date the Annual Bonus for such Plan Year is paid by the Company even if such payment date is after the Plan Year.

Notwithstanding the foregoing if an Eligible Employee becomes fully disabled, in the sole discretion of the Partnership, or dies after the completion of a Plan Year but prior to the payment of the Annual Bonus, such Eligible Employee or his/her estate, as applicable shall be eligible to receive such Eligible Employee’s Annual Bonus. Additionally, in a situation where an Eligible Employee is displaced as a result of a transaction and such transaction closes on or after December 31 of the Plan Year but prior to payment of the Annual Bonus, such Eligible Employee will be able to receive a bonus award even though he/she is not employed on the date of payment of the Annual Bonus.

Employees of Sunoco LP and its subsidiaries and USA Compression Partners, LP and its subsidiaries shall participate in the Sunoco GP LLC Annual Bonus Plan and the USA Compression Partners, LP Amended and Restated Annual Cash Incentive Plan, respectively and shall not be eligible to participate under this Plan.

5.Annual Bonus Payments for Eligible Employees. As soon as reasonably practicable following the end of the Plan Year, management of the Partnership will determine the Annual Target Bonus for each Eligible Employee. The Funded Bonus Pool from which Annual Bonuses are paid to Eligible Employees shall equal (a) the aggregate of the Annual Target

Annual Bonus Plan

Bonuses of all Eligible Employees multiplied by (b) the Bonus Pool Payout Factor for such Plan Year, as determined by the Compensation Committee after review of the performance results for the Plan year. The amount of the Annual Bonus for an Eligible Employee from the Funded Bonus Pool shall be determined in management’s sole discretion and shall be based on a number of factors including an employee’s performance, length of employment and such other factors as may be determined by management in its sole discretion, which factors may not be the same fall all Eligible Employees. Notwithstanding the foregoing, the Compensation Committee shall make determination of the Annual Bonus of all of the Partnership’s named executive officers and such other executive officers as may be determined from time to time.

In addition, operations based Eligible Employees shall be evaluated against the Operational Safety Standards set forth on Exhibit A and any deviation or failure to meet such Operational Safety Standards may result in a reduction of such Eligible Employee’s Annual Bonus Pool of up to 25%.

In no event, shall the aggregate amount of the Annual Bonus payments for the Plan Year exceed, in total, the Funded Bonus Pool for such Plan Year Notwithstanding any provision herein, funds allocated under this Plan for distribution to Eligible Employees is 100% discretionary.

6.Amendment and Termination. The Compensation Committee, at its sole discretion, may, without prior notice to or consent of any Eligible Employees, amend the Plan or terminate the Plan at any time and at all times.

7.Indemnification. Neither the Company, the Partnership or any of its and their participating affiliates, nor the Board, or the Compensation Committee, of the Company or any participating affiliate, nor any officer or employee of the Company or any participating affiliate shall be liable for any act, omission, interpretation, construction or determination made in connection with the Plan in good faith; and the members of the Company’s Board, the Compensation Committee and/or management of the Company or the Partnership shall be entitled to indemnification and reimbursement by the Company to the maximum extent permitted by law in respect of any claim, loss, damage or expense (including counsel’s fees) arising from their acts, omission and conduct in their official capacity with respect to the Plan.

8.General provisions.

8.1Non-Guarantee of Employment or Participation in the Plan. Nothing contained in this Plan shall be construed as a contract of employment between the the Partnership and/or any of its affiliates and any employee of the Partnership or any of its employing affiliates, and nothing in this Plan shall confer upon any employee, including an Eligible Employee, any right to continued employment with the Partnership and/or any of its employing affiliates, or interfere with the right of the Company, the Partnership and/or its affiliate to terminate the employment, with or without cause, of an employee, including an Eligible Employee. Nothing in this Plan shall give any employee any right to participate in the Plan and/or to receive an Annual Bonus with respect to any Plan Year.

8.2Interests Not Transferable. No right, interest or benefit under the Plan shall be subject in any manner to alienation, sale, transfer, assignment, pledge, attachment or other legal process, or encumbrance of any kind, and any attempt to do so shall be void.

8.3Controlling Law. To the extent not superseded by federal law, the law of the State of Texas, without regard to the conflicts of laws provisions thereunder, shall be controlling in all matters relating to the Plan.

8.4Severability. If any Plan provision or any Annual Bonus award hereunder is or becomes or is deemed to be invalid, illegal, or unenforceable in any jurisdiction or as to any person or award, or would disqualify the Plan or any award under the law deemed applicable by the Compensation Committee, such provision shall be

Annual Bonus Plan

construed or deemed amended to conform to the applicable laws, or if it cannot be construed or deemed amended without, in the determination of the Compensation Committee, materially altering the intent of the Plan or the award, such provision shall be stricken as to such jurisdiction, person or award and the remainder of the Plan and any such award shall remain in full force and effect.

8.5No Trust or Fund Created. Neither the Plan nor any award shall create or be construed to create a trust or separate fund of any kind or a fiduciary relationship between the Company and its Affiliates and an employee, including an Eligible Employee or any other person. The Plan shall constitute an unfunded mechanism for the Company to pay bonus compensation to participants from its general assets.No participant shall have any security or other interest in the assets of the Company.

8.6Headings. Headings are given to the sections of the Plan solely as a convenience to facilitate reference. Such headings shall not be deemed in any way material or relevant to the construction or interpretation of the Plan or any provision of it.

8.7Tax Withholding. The Partnership and/or any participating employing affiliate may deduct from any payment otherwise due under this Plan to a Eligible Employee (or beneficiary) amounts required by law to be withheld for purposes of federal, state or local taxes.

8.8Off-set. The Company reserves the right to withhold any or all portions of an award or to reduce an award to an Eligible up to an amount equal to any amount the participant owes to the Company, the Partnership or any of its or their affiliates.

8.9Effective Date. This Plan will be effective for the Plan Year commencing on January 1, 2023 and is intended to replace and render null and void the Energy Transfer LP Annual Bonus Plan effective with Plan Year 2023.

Annual Bonus Plan

EXHIBIT A

OPERATIONAL SAFETY STANDARDS

1.Satisfactory completion of all required safety training and instruction

2.Attendance at all required safety meetings

3.Avoidance of preventable vehicle incidents

4.Management discretion of overall compliance and understanding of safety standards and requirements for operation

Annual Bonus Plan

EX-21.1

Exhibit 21.1

LIST OF SUBSIDIARIES

SUBSIDIARIES OF ENERGY TRANSFER LP, a Delaware limited partnership:

Aqua-ETC Water Solutions, LLC, a Delaware limited liability company

Arguelles Pipeline, S. De R.L. De C.V., a Mexico SRL

Arrow Field Services, LLC, a Delaware limited liability company

Arrow Midstream Holdings, LLC, a Delaware limited liability company

Arrow Pipeline, LLC, a Delaware limited liability company

Arrow Water Services LLC, a Delaware limited liability company

Arrow Water, LLC, a Delaware limited liability company

Atoka Midstream LLC, a Delaware limited liability company

Bakken Holdings Company LLC, a Delaware limited liability company

Bakken Pipeline Investments LLC, a Delaware limited liability company

Bayou Bridge Pipeline, LLC, a Delaware limited liability company

Bayview Refining Company, LLC, a Delaware limited liability company

Beartooth DevCo LLC, a Delaware limited liability company

Bighorn DevCo LLC, a Delaware limited liability company

Blue Marlin Offshore Port LLC, a Delaware limited liability company

Bobcat DevCo LLC, a Delaware limited liability company

Buckeye Products Pipe Line, L.P., a Delaware limited liability company

Buffalo Gulf Coast Terminals LLC, a Delaware limited liability company

Buffalo Parent Gulf Coast Terminals LLC, a Delaware limited liability company

Centurion Energy Transportation, LLC, a Delaware limited liability company

Centurion Permian Logistics, LLC, a Delaware limited liability company

Centurion Pipeline Company, LLC, a Delaware limited liability company

Centurion Pipeline GP, LLC, a Delaware limited liability company

Centurion Pipeline Holdco, LLC, a Delaware limited liability company

Centurion Pipeline L.P., a Delaware limited partnership

Centurion Pipeline LP I, LLC, a Delaware limited liability company

Centurion SENM Gathering, LP, a Texas limited partnership

Centurion SENM Holdings GP, LLC, a Texas limited liability company

Centurion SENM Holdings LP, LLC, a Texas limited liability company

Chalkley Gathering Company, LLC, a Texas limited liability company

Chemical Manufacturing Operations – a series of Evergreen Resources Group, LLC

Citrus ETP Finance LLC, a Delaware limited liability company

Citrus, LLC, a Delaware limited liability company

Clean Air Action Corporation, a Delaware corporation

CMLP Tres Manager LLC, a Delaware limited liability company

CMLP Tres Operator LLC, a Delaware limited liability company

Comanche Trail Pipeline, LLC, a Texas limited liability company

CPB Bowser SWD #1 LLC, a Delaware limited liability company

CPB Bowser SWD #2 LLC, a Delaware limited liability company

CPB Member LLC, a Delaware limited liability company

CPB Operator LLC, a Delaware limited liability company

CPB Subsidiary Holdings LLC, a Delaware limited liability company

CPB Transportation & Marketing LLC, a Delaware limited liability company

CPB Water LLC, a Delaware limited liability company

Crestwood Appalachia Pipeline LLC, a Texas limited liability company

Crestwood Canada Company, Nova Scotia Unlimited Company

Crestwood Corporation, a Delaware corporation

Crestwood Crude Logistics LLC, a Delaware limited liability company

Crestwood Crude Services LLC, a Delaware limited liability company

Crestwood Crude Terminals LLC, a Delaware limited liability company

Crestwood Crude Transportation LLC, a Delaware limited liability company

Crestwood Dakota Pipelines LLC, a Delaware limited liability company

Crestwood Delaware Basin LLC, a Delaware limited liability company

Crestwood Equity GP LLC, a Delaware limited liability company

Crestwood Equity Partners LP, a Delaware limited partnership

Crestwood Gas Services GP LLC, a Delaware limited liability company

Crestwood Gas Services Holdings LLC, a Delaware limited liability company

Crestwood Holdings LP, a Delaware limited partnership

Crestwood Infrastructure Holdings LLC, a Delaware limited liability company

Crestwood Marcellus Midstream LLC, a Delaware limited liability company

Crestwood Marcellus Pipeline LLC, a Delaware limited liability company

Crestwood Midstream Finance Corp., a Delaware limited liability company

Crestwood Midstream GP LLC, a Delaware limited liability company

Crestwood Midstream Operations LLC, a Delaware limited liability company

Crestwood Midstream Partners LP, a Delaware limited partnership

Crestwood New Mexico Pipeline LLC, a Texas limited liability company

Crestwood Niobrara LLC, a Delaware limited liability company

Crestwood Operations LLC, a Delaware limited liability company

Crestwood Panhandle Pipeline LLC, a Texas limited liability company

Crestwood Permian Basin Holdings LLC, a Delaware limited liability company

Crestwood Permian Basin LLC, a Delaware limited liability company

Crestwood Pipeline LLC, a Texas limited liability company

Crestwood Sales & Service LLC, a Delaware limited liability company

Crestwood Sendero GP LLC, a Delaware limited liability company

Crestwood Services LLC, a Delaware limited liability company

Crestwood Transportation LLC, a Delaware limited liability company

CrossCountry Citrus, LLC, a Delaware limited liability company

Crosspoint Pipeline, LLC, a Delaware limited liability company

Dakota Access Holdings LLC, a Delaware limited liability company

Dakota Access Truck Terminals, LLC, a Delaware limited liability company

Dakota Access, LLC, a Delaware limited liability company

DAL-TEX Consulting, LLC, a Texas limited liability company

DAPL-ETCO Construction Management, LLC, a Delaware limited liability company

DAPL-ETCO Operations Management, LLC, a Delaware limited liability company

Dual Drive Technologies, Ltd., a Texas limited partnership

E. Marcellus Asset Company, LLC, a Delaware limited liability company

Edwards Lime Gathering, LLC, a Delaware limited liability company

ELG Oil LLC, a Delaware limited liability company

ELG Utility LLC, a Delaware limited liability company

Enable Atoka, LLC, an Oklahoma limited liability company

Enable Bakken Crude Services, LLC, a Delaware limited liability company

Enable Energy Resources, LLC, an Oklahoma limited liability company

Enable Gas Transmission, LLC, a Delaware limited liability company

Enable Mississippi River Transmission, LLC, a Delaware limited liability company

Enable Natural State Pipeline, LLC, a Delaware limited liability company

Enable Oklahoma Crude Services, LLC, an Oklahoma limited liability company

Enable Oklahoma Intrastate Transmission, LLC, a Delaware limited liability company

Enable Pine Holdings, LLC, a Delaware limited liability company

Enable South Central Pipeline, LLC, a Delaware limited liability company

Enable Waskom Holdings, LLC, a Delaware limited liability company

Energy Transfer (Beijing) Energy Technology Co., Ltd., a Chinese limited liability company

Energy Transfer (R&M), LLC, a Pennsylvania limited liability company

Energy Transfer Aviation LLC, a Delaware limited liability company

Energy Transfer Crude Marketing LLC, Texas limited liability company

Energy Transfer Crude Oil Company, LLC, a Delaware limited liability company

Energy Transfer Crude Trucking LLC, Texas limited liability company

Energy Transfer Data Center, LLC, a Delaware limited liability company

Energy Transfer Employee Management LLC a Delaware limited liability company

Energy Transfer Fuel GP, LLC, a Delaware limited liability company

Energy Transfer Fuel, LP, a Delaware limited partnership

Energy Transfer GC NGL Assets GP LLC, a Delaware limited liability company

Energy Transfer GC NGL Fractionators LLC, a Delaware limited liability company

Energy Transfer GC NGL Marine Facilities LLC, a Delaware limited liability company

Energy Transfer GC NGL Marketing LLC, a Delaware limited liability company

Energy Transfer GC NGL Pipelines LP, a Delaware limited partnership

Energy Transfer GC NGL Product Services LLC, a Delaware limited liability company

Energy Transfer GC NGLs LLC, a Delaware limited liability company

Energy Transfer Geismar Olefins LLC, a Delaware limited liability company

Energy Transfer Group, L.L.C., a Texas limited liability company

Energy Transfer Hattiesburg NGLs LLC, a Delaware limited liability company

Energy Transfer International Holdings LLC, a Delaware limited liability company

Energy Transfer Interstate Holdings, LLC, a Delaware limited liability company

Energy Transfer Latin America, S. De R.L., Republic of Panama

Energy Transfer LNG Export, LLC, a Delaware limited liability company

Energy Transfer Low-Carbon Development LLC, a Delaware limited liability company

Energy Transfer Marketing & Terminals L.P., a Texas limited partnership

Energy Transfer Mexicana, LLC, a Delaware limited liability company

Energy Transfer Mont Belvieu NGL Pipelines LLC, a Delaware limited liability company

Energy Transfer Mont Belvieu NGLs GP LLC, a Delaware limited liability company

Energy Transfer Mont Belvieu NGLs LP, a Delaware limited partnership

Energy Transfer Nederland Terminal LLC, Texas limited liability company

Energy Transfer Operations GP LLC, a Delaware limited liability company

Energy Transfer Panama LLC, a Delaware limited liability company

Energy Transfer Partners, L.L.C., a Delaware limited liability company

Energy Transfer Peru 2 LLC, a Delaware limited liability company

Energy Transfer Peru S.A.C., a Peruvian Sociedad Anonima Cerrada

Energy Transfer Petrochemical Holdings, LLC, a Delaware limited liability company

Energy Transfer Retail Power, LLC, a Delaware limited liability company

Energy Transfer Sea Robin Processing LLC, a Delaware limited liability company

Energy Transfer Spindletop LLC, a Delaware limited liability company

Energy Transfer Transport, LLC, a Pennsylvania limited liability company

ET C&D Holdco LLC, a Delaware limited liability company

ET CC Holdings LLC, a Delaware limited liability company

ET COAM Holdings LLC, a Delaware limited liability company

ET CPL Holdings LLC, a Delaware limited liability company

ET Crude Oil Terminals, LLC, a Texas limited liability company

ET Crude Operating, LLC, a Delaware limited liability company

ET Finance LLC, a Delaware limited liability company

ET Gathering & Processing LLC, a Delaware limited liability company

ET Genco LLC, A Texas limited liability company

ET Insurance Canada LLC, a Delaware limited liability company

ET Intrastate Holdings LLC, a Delaware limited liability company

ET Panama Construction Company, S. de R.L., Republic of Panama ny

ET Panama Operating Company, S. de R.L., Republic of Panama

ET Procurement LLC, a Delaware limited liability company

ET Rover Pipeline LLC, a Delaware limited liability company

ET Sabina Pipeline LLC, a Texas limited liability company

ET SCOOP Express LLC, a Delaware limited liability company

ET TexLa Oasis GP LLC, a Delaware limited liability company

ETC Champ Pipeline LLC, a Delaware limited liability company

ETC China Holdings LLC, a Delaware limited liability company

ETC Compression, LLC, a Delaware limited liability company

ETC Endure Energy L.L.C., a Delaware limited liability company

ETC Fayetteville Express Pipeline, LLC, a Delaware limited liability company

ETC Fayetteville Operating Company, LLC, a Delaware limited liability company

ETC Haynesville LLC, a Delaware limited liability company

ETC Hydrocarbons, LLC, a Texas limited liability company

ETC Katy Pipeline, LLC, a Texas limited partnership

ETC Marketing, Ltd., a Texas limited partnership

ETC Midcontinent Express Pipeline, L.L.C., a Delaware limited liability company

ETC NGL Transport, LLC, a Texas limited liability company

ETC Northeast Field Services LLC, a Delaware limited liability company

ETC Northeast Pipeline, LLC, a Delaware limited liability company

ETC PennTex LLC, a Delaware limited liability company

ETC Production LLC, a Delaware limited liability company

ETC Sunoco Holdings LLC, a Pennsylvania limited liability company

ETC Texas Pipeline, Ltd., a Texas limited partnership

ETC Tiger Pipeline, LLC, a Delaware limited liability company

ETCO Holdings LLC, a Delaware limited liability company

ETE Services Company, LLC, a Delaware limited liability company

ETMT GP LLC, a Delaware limited liability company

ETP Crude LLC, a Texas limited liability company

ETP Holdco Corporation, a Delaware corporation

Everen Limited, a Bermuda limited company

Everen Specialty Ltd., a Bermuda limited company

Evergreen Assurance, LLC, a Delaware limited liability company

Evergreen Capital Holdings, LLC, a Delaware limited liability company

Evergreen Remediation Services, LLC, a Delaware limited liability company

Evergreen Resources Group, LLC, a Delaware limited liability company

Evergreen Resources Management Operations – a series of Evergreen Resources Group, LLC

Exploration & Production Operations – a series of Evergreen Resources Group, LLC

Explorer Pipeline Company, a Delaware corporation

Fayetteville Express Pipeline LLC, a Delaware limited liability company

Finger Lakes LPG Storage, LLC, a Delaware limited liability company

Florida Gas Transmission Company, LLC, a Delaware limited liability company

Gradyco Real Estate LLC, an Oklahoma limited liability company

Gulf Coast/Products GP Holdings LLC, a Delaware limited liability company

Gulf Coast Pipeline, L.P., a Delaware limited partnership

Gulf Run Transmission, LLC, a Delaware limited liability company

Helios Assurance Company, Limited, a Limited Bermuda other

HFOTCO LLC, a Texas limited liability company

Houston Pipe Line Company LP, a Delaware limited partnership

HPL Asset Holdings LP, a Delaware limited partnership

HPL GP, LLC, a Delaware limited liability company

HPL Leaseco LP, a Delaware limited partnership

HPL Resources Company LLC, a Delaware limited liability company

HPL Storage GP LLC, a Delaware limited liability company

Inland Corporation, an Ohio corporation

J.C. Nolan Pipeline Co., LLC, a Delaware limited liability company

J.C. Nolan Terminal Co., LLC, a Delaware limited liability company

Jackalope Gas Gathering Services, L.L.C. , an Oklahoma limited liability company

Japan Sun Oil Company, Ltd., a Japan other

Kanawha Rail LLC, a Delaware limited liability company

LA GP, LLC, a Texas limited liability company

La Grange Acquisition, L.P., a Texas limited partnership

Lake Charles Exports, LLC, a Delaware limited liability company

Lake Charles LNG Company, LLC, Delaware limited liability company

Lake Charles LNG Export Company, LLC, a Delaware limited liability company

LE GP Services, LLC, a Delaware limited liability company

Lee 8 Storage Partnership, a Delaware limited partnership

Legacy Refining Operations – a series of Evergreen Resources Group, LLC

LG PL, LLC, a Texas limited liability company

LGM, LLC, a Texas limited liability company

Liberty Pipeline Group, LLC, a Delaware limited liability company

Libre Insurance Company, Ltd., a Bermuda corporation

LJL, LLC, a West Virginia limited liability company

Loadout LLC, a Delaware limited liability company

Lobo Pipeline Company LLC, a Delaware limited liability company

Lotus Midstream Operations, LLC, a Delaware limited liability company

Marcus Hook Refinery Operations – a series of Evergreen Resources Group, LLC

Materials Handling Solutions LLC, a Delaware limited liability company

Maurepas Holding, LLC, an Oklahoma limited liability company

Maurepas Pipeline, LLC, a Delaware limited liability company

Mi Vida JV LLC, a Delaware limited liability company

Mid Valley Pipeline Company LLC, an Ohio limited liability company

Midcontinent Express Pipeline LLC, a Delaware limited liability company

Midwest Connector Capital Company LLC, a Delaware limited liability company

Mining Operations – a series of Evergreen Resources Group, LLC

Oasis Pipeline, LP, a Texas limited partnership

Ohio River System LLC, a Delaware limited liability company

Old Ocean Pipeline, LLC, a Texas limited liability company

Orbit Gulf Coast NGL Exports, LLC, a Delaware limited liability company

Pan Gas Storage LLC, a Delaware limited liability company

Panhandle Eastern Pipe Line Company, LP, a Delaware limited partnership

Panhandle Storage LLC, a Delaware limited liability company

Panther DevCo LLC, a Delaware limited liability company

Pelico Pipeline, LLC, a Delaware limited liability company

Penn Virginia Operating Co., LLC, a Delaware limited liability company

PEPL Real Estate, LLC, a Delaware limited liability company

Permian Express Partners LLC, a Delaware limited liability company

Permian Express Partners Operating LLC, a Texas limited liability company

Permian Express Terminal LLC, a Texas limited liability company

PG Energy LLC, a Pennsylvania limited liability company

Philadelphia Refinery Operations – a series of Evergreen Resources Group, LLC

Pine Pipeline Acquisition Company, LLC, a Delaware limited liability company

Pipe Sky, LLC, a Delaware limited liability company

Pipeline Operations – a series of Evergreen Resources Group, LLC

Powder River Basin Industrial Complex, LLC, a Delaware limited liability company

PRB HoldCo LLC, a Delaware limited liability company

Price River Terminal, LLC, a Texas limited liability company

Real Property Operations – a series of Evergreen Resource Group, LLC

Red Bluff Express Pipeline, LLC, a Delaware limited liability company

Regency Employees Management Holdings LLC, a Delaware limited liability company

Regency Energy Partners LP, a Delaware limited partnership

Regency GP LLC, a Delaware limited liability company

Regency GP LP, a Delaware limited partnership

Regency Intrastate Gas LP, a Delaware limited partnership

Regency Marcellus Gas Gathering LLC, a Delaware limited liability company

Regency Texas Pipeline LLC, a Delaware limited liability company

Retail/Service Station Operations – a series of Evergreen Resources Group, LLC

RIGS GP LLC, a Delaware limited liability company

Rose Rock Midstream Crude, LLC, a Texas limited liability company

Rough Rider Midstream Services LLC, a Delaware limited liability company

Rough Rider Operating LLC, a Delaware limited liability company

Rover Pipeline LLC, a Delaware limited liability company

RSS Water Services LLC, a Delaware limited liability company

Sea Robin Pipeline Company, LLC, a Delaware limited liability company

SEC Energy Products & Services, L.P., a Texas limited partnership

SEC General Holdings, LLC, a Texas limited liability company

SemEnergy S. de R.L. de C.V.

SemGreen, L.P., a Delaware limited partnership

SemGroup Energy S. de R.L. de C.V.

SemGroup Mexico S. de R.L. de C.V.

SemGroup Netherlands B.V., a Dutch company

SemGroup Netherlands I B.V., a Dutch company

SemManagement L.L.C., a Delaware limited liability company

SemMaterials, L.P., an Oklahoma limited partnership

SemMexico, L.L.C., an Oklahoma limited liability company

SemOperating G.P., L.L.C., an Oklahoma limited liability company

Sendero Carlsbad Finance, LLC, a Delaware limited liability company

Sendero Carlsbad Midstream, LLC, a Delaware limited liability company

Sendero Midstream Holdings, LLC, a Delaware limited liability company

Sendero Midstream Partners, LP, a Delaware limited partnership

SESH Capital, LLC, a Delaware limited liability company

SESH Sub Inc., a Delaware corporation

Southeast Supply Header, LLC, a Delaware limited liability company

Southern Union Panhandle LLC, a Delaware limited liability company

Starfish Pipeline Company, LLC, a Delaware limited liability company

Stellar Propane Service, LLC, a Delaware limited liability company

Stingray Pipeline Company, L.L.C., a Delaware limited liability company

Sun Pipe Line Company LLC, a Delaware limited liability company

Sunoco GP LLC, a Delaware limited liability company

Sunoco Logistics Partners GP LLC, a Delaware limited liability company

Sunoco LP, a Delaware limited partnership

Sunoco Partners Lease Acquisition & Marketing LLC, a Delaware limited partnership

Sunoco Pipeline L.P., a Texas limited partnership

Superfund Management Operations – a series of Evergreen Resources Group, LLC

Sweeny Gathering, L.P., a Texas limited liability company

Terminal Operations – a series of Evergreen Resources Group, LLC

TETC, LLC, a Texas limited liability company

Texas Energy Transfer Company, Ltd., a Texas limited partnership

Texas Energy Transfer Power, LLC, a Texas limited liability company

The Energy Transfer/Sunoco Foundation, a Pennsylvania non-profit

Toney Fork LLC, a Delaware limited liability company

TPL Management Operations – a series of Evergreen Resources Group, LLC

Trans-Pecos Pipeline, LLC, a Texas limited liability company

Transwestern Pipeline Company, LLC, a Delaware limited liability company

Triton Gathering, LLC, a Delaware limited liability company

Trunkline Field Services LLC, a Delaware limited liability company

Trunkline Gas Company, LLC, a Delaware limited liability company

Trunkline LNG Holdings LLC, a Delaware limited liability company

USA Compression GP, LLC, a Delaware limited liability company

USA Compression Management Services, LLC, a Delaware limited liability company

Warrior Pipeline, LLC, a Delaware limited liability company

Waskom Gas Processing Company, a Texas corporation

Waskom Transmission LLC, a Texas limited liability company

Wattenberg Holding, LLC, an Oklahoma limited liability company

West Cameron Dehydration Company, L.L.C., a Delaware limited liability company

West Shore Pipe Line Company, a Delaware corporation

West Texas Gulf Pipe Line Company LLC, a Delaware limited liability company

WGP-KHC LLC, a Delaware limited liability company

White Cliffs Pipeline, L.L.C., a Delaware limited liability company

Wink to Webster Pipeline LLC, a Delaware limited liability company

Wolverine Pipe Line Company, a Delaware corporation

Yellowstone Pipe Line Company, a Delaware corporation

SUBSIDIARIES OF SUNOCO LP, a Delaware limited partnership:

Aloha Petroleum LLC, a Delaware limited liability company

Aloha Petroleum, Ltd., a Hawaii Corporation

Eco-Products Manufacturing of Puerto Rico Inc., a Puerto Rico corporation

Fathom Global Energy FT LLC, a Delaware limited liability company

J.C. Nolan Pipeline Co., LLC, a Delaware limited liability company

J.C. Nolan Terminal Co., LLC, a Delaware limited liability company

Peerless Oil & Chemicals, Inc, a Delaware corporation

Peerless Oil Company (Puerto Rico), Inc., a Puerto Rico corporation

Petro Taino Transport Corp., a Puerto Rico corporation

Sun LP Pipeline LLC, a Delaware limited liability company

Sun LP Terminals LLC, a Delaware limited liability company

Sun Lubricants and Specialty Products Inc., a Quebec corporation

Sunmarks, LLC, a Delaware limited liability company

Sunoco Energy Solutions LLC, a Texas limited liability company

Sunoco Finance Corp., a Delaware corporation

Sunoco Global LLC, a Delaware limited liability company

Sunoco Midstream LLC, a Delaware limited liability company

Sunoco NLR LLC, a Delaware limited liability company

Sunoco Overseas, Inc., a Delaware corporation

Sunoco Refined Products LLC, a Delaware limited liability company

Sunoco Retail LLC, a Pennsylvania limited liability company

Sunoco, LLC, a Delaware limited liability company

Town & Country Food Stores, Inc., a Texas corporation

SUBSIDIARIES OF USA COMPRESSION PARTNERS, LP, a Delaware limited partnership:

USA Compression Finance Corp., a Delaware corporation

USA Compression Partners, LLC, a Delaware limited liability company

USAC Leasing, LLC, a Delaware limited liability company

EX-23.1

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our reports dated February 16, 2024, with respect to the consolidated financial statements and internal control over financial reporting included in the Annual Report of Energy Transfer LP on Form 10-K for the year ended December 31, 2023. We consent to the incorporation by reference of said reports in the Registration Statements of Energy Transfer LP on Forms S-3 (File No. 333-228737, File No. 333-215969, File No. 333-215893, File No. 333-146300 and File No. 333-256668), and on Forms S-8 (File No. 333-229456, File No. 333-251923, File No. 333-275904, File No. 333-275327 and File No. 333-261502).

/s/ GRANT THORNTON LLP

Dallas, Texas

February 16, 2024

EX-31.1

Exhibit 31.1

CERTIFICATION OF CO-CHIEF EXECUTIVE OFFICER

PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Marshall S. McCrea, III, certify that:

1.I have reviewed this annual report on Form 10-K of Energy Transfer LP;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.I am responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under my supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to me by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under my supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report my conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.I have disclosed, based on my most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: February 16, 2024

/s/ Marshall S. McCrea, III

Marshall S. McCrea, III

Co-Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CO-CHIEF EXECUTIVE OFFICER

PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Thomas E. Long, certify that:

1.I have reviewed this annual report on Form 10-K of Energy Transfer LP;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.I am responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under my supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to me by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under my supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report my conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.I have disclosed, based on my most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: February 16, 2024  

/s/ Thomas E. Long

Thomas E. Long

Co-Chief Executive Officer

EX-31.3

Exhibit 31.3

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Dylan A. Bramhall, certify that:

1.I have reviewed this annual report on Form 10-K of Energy Transfer LP;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.I am responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under my supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to me by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under my supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report my conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.I have disclosed, based on my most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: February 16, 2024

/s/ Dylan A. Bramhall

Dylan A. Bramhall

Group Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the annual report of Energy Transfer LP (the “Partnership”) on Form 10-K for the year ended December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Marshall S. McCrea, III, Co-Chief Executive Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

Date: February 16, 2024

/s/ Marshall S. McCrea, III

Marshall S. McCrea, III

Co-Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to and will be retained by Energy Transfer LP and furnished to the Securities and Exchange Commission upon request.

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the annual report of Energy Transfer LP (the “Partnership”) on Form 10-K for the year ended December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Thomas E. Long, Co-Chief Executive Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

Date: February 16, 2024

/s/ Thomas E. Long

Thomas E. Long

Co-Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to and will be retained by Energy Transfer LP and furnished to the Securities and Exchange Commission upon request.

EX-32.3

Exhibit 32.3

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the annual report of Energy Transfer LP (the “Partnership”) on Form 10-K for the year ended December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Dylan A. Bramhall, Chief Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

Date: February 16, 2024

/s/ Dylan A. Bramhall

Dylan A. Bramhall

Group Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to and will be retained by Energy Transfer LP and furnished to the Securities and Exchange Commission upon request.

EX-97.1

Exhibit 97.1

ENERGY TRANSFER LP

EXECUTIVE OFFICER

INCENTIVE COMPENSATION CLAWBACK POLICY

Adopted as of November 29, 2023

This Executive Officer Incentive Compensation Clawback Policy (the “Policy”) has been adopted by the Compensation Committee (the “Compensation Committee”) of the Board of Directors (the “Board”) of LE GP, LLC (the “General Partner”), the general partner of Energy Transfer LP (together with its subsidiaries, the “Partnership”). Unless otherwise defined in this Policy, capitalized terms shall have the meaning ascribed to such terms in Section IV.

I.Purpose

The purpose of this Policy is to enable the Partnership to recover erroneously awarded Incentive-Based Compensation from Executive Officers in the event the Partnership is required to prepare an Accounting Restatement. This Policy is designed to comply with, and shall be interpreted in a manner that is intended to be consistent with the requirements of the Securities and Exchange Commission (the “SEC”) rules and the requirements of the New York Stock Exchange (“NYSE”) Listed Company Manual.

II.Clawback of Executive Incentive Compensation

a.Recovery. In the event of an Accounting Restatement, the Administrator shall cause the Partnership to, as to any Executive Officer who Received Incentive-Based Compensation, recover reasonably promptly the incremental amount of Incentive-Based Compensation Received by such Executive Officer during the Relevant Recovery Period that is in excess of the amount that would have been Received based upon the Accounting Restatement, computed without regard to any taxes paid. For Incentive-Based Compensation based on the Partnership’s unit price or total unitholder return, where the amount of erroneously awarded Incentive-Based Compensation is not subject to mathematical recalculation directly from the information in the Accounting Restatement, (i) the amount must be based on a reasonable estimate of the effect of the Accounting Restatement on the unit price or total unitholder return upon which the Incentive-Based Compensation was Received and (ii) the Partnership shall maintain documentation of the determination of that reasonable estimate and provide such documentation to the NYSE. The determination of the amount of erroneously awarded Incentive-Based Compensation to be recovered from each Executive Officer shall be determined by the Administrator. The obligation to recover erroneously awarded Incentive-Based Compensation is not dependent on if or when restated financial statements are filed.

b.Applicability. This Policy applies to all Incentive-Based Compensation Received by an individual:

i.After beginning service as an Executive Officer;

ii.Who served as an Executive Officer at any time during the performance period for such Incentive-Based Compensation;

iii.During the Relevant Recovery Period; and

iv.On or after October 2, 2023.

III. Exceptions

a.The Administrator may determine not to seek recovery from an Executive Officer in whole or in part to the extent it determines in its sole discretion that such recovery would be impracticable because:

i.The direct expense paid to a third party to assist in enforcing this Policy would exceed the amount to be recovered (after having made a reasonable attempt to recover such erroneously awarded Incentive-Based Compensation, documenting such reasonable attempt(s) to recover, and providing that documentation to the NYSE); or

ii.Recovery would likely cause an otherwise tax-qualified retirement plan, under which benefits are broadly available to employees of the Partnership, to fail to meet the requirements of 26 U.S.C. 401(a)(13) or 26 U.S.C. 411(a) and regulations thereunder.

IV. Defined Terms

a.“Accounting Restatement” means an accounting restatement required to be prepared by the Partnership due to the material noncompliance of the Partnership with any financial reporting requirement under the securities laws, including any required accounting restatement to correct an error in previously issued financial statements that is material to the previously issued financial statements, or that would result in a material misstatement if the error were corrected in the current period or left uncorrected in the current period.

b.“Accounting Restatement Date” means the earlier to occur of:

i.The date the Board, a committee of the Board, or the officer or officers of the Partnership or General Partner authorized to take such action if Board action is not required, concludes, or reasonably should have concluded, that the Partnership is required to prepare an Accounting Restatement; and

ii.The date a court, regulator, or other legally authorized body directs the Partnership to prepare an Accounting Restatement.

c.“Administrator” means the Compensation Committee.

d.“Executive Officer” means each individual who is currently or was previously designated as on “officer” of the Partnership as defined in Rule 16a-1(f) under the Securities Exchange Act of 1934, as amended. For the avoidance of doubt, the identification of an Executive Officer for purposes of this Policy shall include each executive officer who is or was identified pursuant to Item 401(b) of Regulation S-K.

e.“Financial Reporting Measure” means any measure that is determined and presented in accordance with the accounting principles used in preparing the Partnership’s financial statements, and any other measure that is derived wholly or in part from any such measures, including unit price and total unitholder return. A Financial Reporting Measure is not required to be presented within the Partnership’s financial statements or included in a filing with the SEC.

f.“Incentive-Based Compensation” means any compensation that is granted, earned, or vested based wholly or in part upon the attainment of a Financial Reporting Measure. Incentive-Based Compensation is deemed “Received” in the Partnership’s fiscal period during which the Financial Reporting Measure specified in the Incentive-Based Compensation is attained, even if the payment or grant of the Incentive-Based Compensation occurs after the end of that period.

g.“RelevantRecovery Period” means the three completed fiscal years immediately preceding the Accounting Restatement Date, and includes any transition period resulting from a change in the Partnership’s fiscal year within or immediately following those three completed fiscal years (except that a transition period that comprises a period of at least nine months shall count as a completed fiscal year).

V. Administration

a.This Policy shall be administered by the Administrator. The Administrator is authorized to interpret and construe this Policy and to make all determinations necessary, appropriate or advisable for the administration of this Policy, in each case, to the extent permitted under the rules and regulations issued by the SEC or the NYSE. All determinations and decisions made by the Administrator pursuant to the provisions of this Policy shall be final, conclusive and binding on all affected individuals.

b.The Compensation Committee may amend, supplement or modify this Policy from time to time, including to address the requirements rules and regulations issued by the SEC or the NYSE.

VI. Prohibition of Indemnification

The Partnership is prohibited from indemnifying any Executive Officer against the loss of erroneously awarded compensation repaid, returned or recovered pursuant to the terms of this Policy or any claims relating to the enforcement of the Partnership’s rights under this Policy.

VII. Miscellaneous

a.The Partnership shall file all disclosures with respect to this Policy in accordance with the requirements of the Federal securities laws, including the disclosure required by applicable SEC filings.

b.The validity, construction, and effect of the Policy and any determinations relating to the Policy shall be construed in accordance with the laws of the State of Delaware without regard to its conflicts of laws principles. The Administrator (and each member thereof) shall be entitled to, in good faith, rely or act upon any report or other information furnished to him or her by any officer or employee of

the Partnership, legal counsel, independent auditors, consultants or any other agents assisting in the administration of the Policy.

c.Any right of recovery under this Policy is in addition to, and not in lieu of, any other remedies or rights of recovery that may be available to the Partnership under applicable law, regulation, or rule or pursuant to the terms of any policy of the Partnership or any provision in any employment agreement, equity award agreement, compensatory plan, agreement or other arrangement. Notwithstanding the foregoing, there shall be no duplication of recovery of the same Incentive-Based Compensation under this Policy and any other such rights or remedies.

d.This Policy shall be binding and enforceable against all Executive Officers and their beneficiaries, heirs, executors, administrators or other legal representatives.

XML

Cover Page Cover Page - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2023

Feb. 09, 2024

Jun. 30, 2023

Cover [Abstract]

Document Type

10-K

Document Annual Report

true

Document Period End Date

Dec. 31, 2023

Document Transition Report

false

Entity File Number

1-32740

Entity Registrant Name

ENERGY TRANSFER LP

Entity Incorporation, State or Country Code

DE

Entity Tax Identification Number

30-0108820

Entity Address, Address Line One

8111 Westchester Drive

Entity Address, Address Line Two

Suite 600

Entity Address, City or Town

Dallas

Entity Address, State or Province

TX

Entity Address, Postal Zip Code

75225

City Area Code

214

Local Phone Number

981-0700

Entity Well-known Seasoned Issuer

Yes

Entity Voluntary Filers

No

Entity Current Reporting Status

Yes

Entity Interactive Data Current

Yes

Entity Filer Category

Large Accelerated Filer

Entity Small Business

false

Entity Emerging Growth Company

false

Entity Shell Company

false

Entity Public Float

$ 35,670

Entity Common Stock, Shares Outstanding

3,367,757,556

Documents Incorporated by Reference

None

Entity Central Index Key

0001276187

Document Fiscal Year Focus

2023

Document Fiscal Period Focus

FY

Amendment Flag

false

ICFR Auditor Attestation Flag

true

Document Information [Line Items]

Document Transition Report

false

Document Annual Report

true

Document Period End Date

Dec. 31, 2023

Current Fiscal Year End Date

--12-31

Auditor Firm ID

248

Auditor Location

Dallas, Texas

Auditor Name

GRANT THORNTON LLP

Document Financial Statement Error Correction [Flag]

false

Common Stock

Cover [Abstract]

Title of 12(b) Security

Common Units

Trading Symbol

ET

Security Exchange Name

NYSE

Document Information [Line Items]

Title of 12(b) Security

Common Units

Trading Symbol

ET

Security Exchange Name

NYSE

ETprC

Cover [Abstract]

Title of 12(b) Security

7.375% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units

Trading Symbol

ETprC

Security Exchange Name

NYSE

Document Information [Line Items]

Title of 12(b) Security

7.375% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units

Trading Symbol

ETprC

Security Exchange Name

NYSE

ETprD

Cover [Abstract]

Title of 12(b) Security

7.625% Series D Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units

Trading Symbol

ETprD

Security Exchange Name

NYSE

Document Information [Line Items]

Title of 12(b) Security

7.625% Series D Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units

Trading Symbol

ETprD

Security Exchange Name

NYSE

ETprE

Cover [Abstract]

Title of 12(b) Security

7.600% Series E Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units

Trading Symbol

ETprE

Security Exchange Name

NYSE

Document Information [Line Items]

Title of 12(b) Security

7.600% Series E Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units

Trading Symbol

ETprE

Security Exchange Name

NYSE

ETprI

Cover [Abstract]

Title of 12(b) Security

9.250% Series I Fixed Rate Perpetual Preferred Units

Trading Symbol

ETprI

Security Exchange Name

NYSE

Document Information [Line Items]

Title of 12(b) Security

9.250% Series I Fixed Rate Perpetual Preferred Units

Trading Symbol

ETprI

Security Exchange Name

NYSE

XML

Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 161	$ 257
Accounts receivable, net	9,047	8,466
Inventories	2,478	2,461
Income taxes receivable	67	68
Derivative assets	66	10
Other current assets	513	726
Total current assets	12,433	12,081
Property, plant and equipment	114,932	105,996
Accumulated depreciation and depletion	(29,581)	(25,685)
Property, Plant and Equipment, Net	85,351	80,311
Investments in unconsolidated affiliates	3,097	2,893
Lease right-of-use assets, net	826	819
Other non-current assets, net	1,733	1,558
Intangible assets, net	6,239	5,415
Goodwill	4,019	2,566
Total assets	113,698	105,643
LIABILITIES AND EQUITY
Accounts payable	6,663	6,952
Derivative liabilities	8	23
Operating lease current liabilities	56	45
Accrued and other current liabilities	3,521	3,329
Current maturities of long-term debt	1,008	2
Total current liabilities	11,277	10,368
Long-term debt, less current maturities	51,380	48,260
Non-current derivative liabilities	4	23
Non-current operating lease liabilities	778	798
Deferred income taxes	3,931	3,701
Other non-current liabilities	1,611	1,341
Commitments and contingencies
Redeemable noncontrolling interests	778	493
Limited Partners:
Preferred Unitholders (113,648,967 and 72,184,780 units authorized, issued and outstanding as of December 31, 2023 and 2022, respectively)	6,459	6,051
Common Unitholders (3,367,525,806 and 3,094,445,367 units authorized, issued and outstanding as of December 31, 2023 and 2022, respectively)	30,197	26,960
General Partner	(2)	(2)
Accumulated other comprehensive income	28	16
Total partners’ capital	36,682	33,025
Noncontrolling interests	7,257	7,634
Total equity	43,939	40,659
Total liabilities and equity	113,698	105,643
Related Party
ASSETS
Accounts receivable from related companies	101	93
LIABILITIES AND EQUITY
Accounts payable	$ 21	$ 17

XML

Consolidated Balance Sheets Balance Sheet (Paranthetical) - shares	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Authorized	3,367,525,806	3,094,425,367
Issued	3,367,525,806	3,094,425,367
Outstanding	3,367,525,806	3,094,425,367
Preferred Units, Authorized	113,648,967	72,184,780
Preferred Units, Issued	113,648,967	72,184,780
Preferred Units, Outstanding	113,648,967	72,184,780

XML

Consolidated Statements Of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
REVENUES:
Total revenues	$ 78,586	$ 89,876	$ 67,417
COSTS AND EXPENSES:
Cost of products sold	60,541	72,232	50,395
Operating expenses	4,368	4,338	3,574
Depreciation, depletion and amortization	4,385	4,164	3,817
Selling, general and administrative	985	1,018	818
Impairment losses and other	12	386	21
Total costs and expenses	70,291	82,138	58,625
OPERATING INCOME	8,295	7,738	8,792
OTHER INCOME (EXPENSE):
Interest expense, net of interest capitalized	(2,578)	(2,306)	(2,267)
Equity in earnings of unconsolidated affiliates	383	257	246
Gains (losses) on extinguishments of debt	2	0	(38)
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments	36	293	61
Gain (Loss) Related to Litigation Settlement	(627)	0	0
Other, net	86	90	77
Income before income tax expense	5,597	6,072	6,871
Income tax expense	303	204	184
NET INCOME	5,294	5,868	6,687
Less: Net income attributable to noncontrolling interests	1,299	1,061	1,167
Less: Net income attributable to redeemable noncontrolling interests	60	51	50
NET INCOME ATTRIBUTABLE TO PARTNERS	3,935	4,756	5,470
General Partner’s interest in net income	3	4	6
Preferred Unitholders’ interest in net income	463	422	285
Limited Partners’ interest in net income	$ 3,469	$ 4,330	$ 5,179
NET INCOME PER COMMON UNIT:
Basic	$ 1.10	$ 1.40	$ 1.89
Diluted	$ 1.09	$ 1.40	$ 1.89
Refined product sales
REVENUES:
REVENUES:	$ 23,389	$ 26,020	$ 17,766
Crude sales
REVENUES:
REVENUES:	23,492	23,473	15,299
Natural gas sales
REVENUES:
REVENUES:	3,259	8,535	9,159
Gathering, transportation and other fees
REVENUES:
REVENUES:	11,428	10,907	9,229
NGL sales
REVENUES:
REVENUES:	15,957	20,114	15,243
Other
REVENUES:
REVENUES:	$ 1,061	$ 827	$ 721

XML

Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 5,294	$ 5,868	$ 6,687
Other comprehensive income (loss), net of tax:
Change in value of available-for-sale securities	4	(10)	1
Actuarial gain (loss) relating to pension and other postretirement benefits	13	(12)	12
Foreign currency translation adjustment	(6)	(6)	4
Change in other comprehensive income from unconsolidated affiliates	1	24	3
Other comprehensive income (loss), net of tax, total	12	(4)	20
Comprehensive income	5,306	5,864	6,707
Less: Comprehensive income attributable to noncontrolling interests	1,299	1,055	1,170
Less: Comprehensive income attributable to redeemable noncontrolling interests	60	51	50
Comprehensive income attributable to partners	$ 3,947	$ 4,758	$ 5,487

XML

Consolidated Statement Of Equity - USD ($) $ in Thousands	Total	General Partner	Accumulated Other Comprehensive Income	Common Unitholders	Non- controlling Interests	Preferred Unitholders	Rollup Mergers	Rollup Mergers General Partner	Rollup Mergers Accumulated Other Comprehensive Income	Rollup Mergers Common Unitholders	Rollup Mergers Non- controlling Interests	Rollup Mergers Preferred Unitholders	Lotus Midstream Acquisition	Lotus Midstream Acquisition General Partner	Lotus Midstream Acquisition Accumulated Other Comprehensive Income	Lotus Midstream Acquisition Common Unitholders	Lotus Midstream Acquisition Non- controlling Interests	Lotus Midstream Acquisition Preferred Unitholders	Crestwood Acquisition	Crestwood Acquisition General Partner	Crestwood Acquisition Accumulated Other Comprehensive Income	Crestwood Acquisition Common Unitholders	Crestwood Acquisition Non- controlling Interests	Crestwood Acquisition Preferred Unitholders
Balance at Dec. 31, 2020	$ 31,388,000	$ (8,000)	$ 6,000	$ 18,531,000	$ 12,859,000	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to partners	(1,898,000)	(2,000)	0	(1,616,000)	0	(280,000)
Distributions to noncontrolling interests	(1,487,000)	0	0	0	(1,487,000)	0
Common units repurchased	(31,000)	0	0	(31,000)	0	0
Common units repurchased under buyback program	(31,000)
Units issued	889,000	0	0	0	0	889,000
Capital contributions from noncontrolling interests	226,000	0	0	0	226,000	0
Other, net	58,000	0	0	50,000	11,000	(3,000)
Partners' Capital Account, Acquisitions	3,543,000	0	0	3,117,000	34,000	392,000	$ 0	$ 0	$ 0	$ 0	$ (4,768,000)	$ 4,768,000
Other comprehensive income, net of tax	20,000	0	17,000	0	3,000	0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Excluding Portion Attributable to Redeemable Noncontrolling Interest	6,637,000	6,000	0	5,179,000	1,167,000	285,000
Balance at Dec. 31, 2021	39,345,000	(4,000)	23,000	25,230,000	8,045,000	6,051,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to partners	(3,047,000)	(2,000)	0	(2,623,000)	0	(422,000)
Distributions to noncontrolling interests	(1,547,000)	0	0	0	(1,547,000)	0
Common units repurchased under buyback program	0
Capital contributions from noncontrolling interests	405,000	0	0	0	405,000	0
Noncontrolling Interest, Decrease from Deconsolidation	(346,000)	0	(9,000)	0	(337,000)	0
Other, net	36,000	0	0	23,000	13,000	0
Other comprehensive income, net of tax	(4,000)	0	2,000	0	(6,000)	0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Excluding Portion Attributable to Redeemable Noncontrolling Interest	5,817,000	4,000	0	4,330,000	1,061,000	422,000
Balance at Dec. 31, 2022	40,659,000	(2,000)	16,000	26,960,000	7,634,000	6,051,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to partners	(4,248,000)	(3,000)	0	(3,777,000)	0	(468,000)
Distributions to noncontrolling interests	(1,691,000)	0	0	0	(1,691,000)	0
Common units repurchased under buyback program	0
Capital contributions from noncontrolling interests	3,000	0	0	0	3,000	0
Other, net	30,000	0	0	18,000	12,000	0
Partners' Capital Account, Acquisitions													$ 574,000	$ 0	$ 0	$ 574,000	$ 0	$ 0	$ 3,366,000	$ 0	$ 0	$ 2,953,000	$ 0	$ 413,000
Other comprehensive income, net of tax	12,000	0	12,000	0	0	0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Excluding Portion Attributable to Redeemable Noncontrolling Interest	5,234,000	3,000	0	3,469,000	1,299,000	463,000
Balance at Dec. 31, 2023	$ 43,939,000	$ (2,000)	$ 28,000	$ 30,197,000	$ 7,257,000	$ 6,459,000

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Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME	$ 5,294	$ 5,868	$ 6,687
Reconciliation of net income to net cash provided by operating activities:
Depreciation, depletion and amortization	4,385	4,164	3,817
Deferred Income Tax Expense (Benefit)	203	187	141
Inventory valuation adjustments	114	(5)	(190)
Non-cash compensation expense	130	115	111
Impairment losses and other	12	386	21
(Gains) losses on extinguishments of debt	(2)	0	38
Distributions on unvested awards	68	73	47
Distributions from unconsolidated affiliates	353	232	212
Equity in earnings of unconsolidated affiliates	(383)	(257)	(246)
Other non-cash	32	64	(103)
Net change in operating assets and liabilities, net of effects of acquisitions	(451)	(1,502)	515
Net cash provided by operating activities	9,555	9,051	11,162
INVESTING ACTIVITIES:
Cash paid for acquisitions, net of cash received	(111)	(1,141)	(205)
Capital expenditures, excluding allowance for equity funds used during construction	(3,134)	(3,381)	(2,822)
Contributions in aid of construction costs	40	56	43
Contributions to unconsolidated affiliates	(6)	0	(4)
Distributions from unconsolidated affiliates in excess of cumulative earnings	63	62	167
Proceeds from Sale of Equity Method Investments	0	302	0
Proceeds from sales of other assets	38	78	45
Other	3	2	1
Net cash used in investing activities	(4,325)	(4,022)	(2,775)
FINANCING ACTIVITIES:
Proceeds from borrowings	32,130	28,838	21,267
Repayments of debt	(31,416)	(29,681)	(27,318)
Preferred units issued for cash	0	0	889
Distributions to partners	(4,248)	(3,047)	(1,898)
Distributions to noncontrolling interests	(1,691)	(1,547)	(1,487)
Distributions to redeemable noncontrolling interests	59	49	49
Common units repurchased under buyback program	0	0	(31)
Debt issuance costs	(45)	(27)	(14)
Capital contributions from noncontrolling interests	3	405	226
Other, net	0	0	(3)
Net cash used in financing activities	(5,326)	(5,108)	(8,418)
Decrease in cash and cash equivalents	(96)	(79)	(31)
Cash and cash equivalents, beginning of period	257	336	367
Cash and cash equivalents, end of period	161	257	336
Crestwood Acquisition
INVESTING ACTIVITIES:
Cash paid for acquisitions, net of cash received	(288)	0	0
Lotus Midstream Acquisition
INVESTING ACTIVITIES:
Cash paid for acquisitions, net of cash received	$ (930)	$ 0	$ 0

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Operations And Organization

12 Months Ended

Dec. 31, 2023

Operations And Organization [Abstract]

Operations And Organization

OPERATIONS AND BASIS OF PRESENTATION:

The consolidated financial statements presented herein contain the results of Energy Transfer LP and its subsidiaries (the “Partnership,” “we,” “us,” “our” or “Energy Transfer”).

On April 1, 2021, Energy Transfer, ETO and certain of ETO’s subsidiaries consummated several internal reorganization transactions (the “Rollup Mergers”). In connection with the Rollup Mergers, ETO merged with and into Energy Transfer, with Energy Transfer surviving. The impacts of the Rollup Mergers also included the following:

•All of ETO’s long-term debt was assumed by Energy Transfer.

•Each issued and outstanding ETO preferred unit was converted into the right to receive one newly created Energy Transfer preferred unit. A description of the Energy Transfer Preferred Units is included in Note 8.

•Each of ETO’s issued and outstanding Class K, Class L, Class M and Class N units were converted into an aggregate 675,625,000 newly created Class B Units representing limited partner interests in Energy Transfer. All of the Class B Units are held by ETP Holdco, a wholly owned subsidiary of Energy Transfer.

Our consolidated financial statements reflect the following reportable segments:

•intrastate transportation and storage;

•interstate transportation and storage;

•midstream;

•NGL and refined products transportation and services;

•crude oil transportation and services;

•investment in Sunoco LP;

•investment in USAC; and

•all other.

The Partnership owns and operates intrastate natural gas pipeline systems and storage facilities that are engaged in the business of purchasing, gathering, transporting, processing and marketing natural gas and NGLs in the states of Texas, Oklahoma and Louisiana.

The Partnership also owns and operates interstate pipelines, either directly or through equity method investments, that transport natural gas to various markets in the United States.

The Partnership is also engaged in midstream services, focusing on providing gathering, processing, compression, treating and transportation of natural gas in some of the most prolific natural gas producing regions in the United States, including the Permian, Anadarko, Arkoma, Hugoton, Powder River and Williston basins, as well as the Eagle Ford, Haynesville, Barnett, Marcellus and Utica shales.

The Partnership’s operations also include crude oil, NGL and refined products transportation, terminalling services, acquisition and marketing activities, as well as NGL storage, fractionation and LNG regasification.

The Partnership owns a controlling interest in Sunoco LP which is engaged in the wholesale distribution of motor fuels to convenience stores, independent dealers, commercial customers and distributors, as well as the retail sale of motor fuels and merchandise through Sunoco LP operated convenience stores and retail fuel sites. As of December 31, 2023, our interest in Sunoco LP consisted of 100% of the general partner and IDRs, as well as 28.5 million common units.

The Partnership owns a controlling interest in USAC which provides compression services to producers, processors, gatherers and transporters of natural gas and crude oil. As of December 31, 2023, our interest in USAC consisted of 100% of the general partner and 46.1 million common units.

Basis of Presentation. The consolidated financial statements of Energy Transfer LP presented herein have been prepared in accordance with GAAP and pursuant to the rules and regulations of the SEC. We consolidate all majority-owned

subsidiaries and limited partnerships, which we control as the general partner or owner of the general partner. All significant intercompany transactions and accounts are eliminated in consolidation.

The consolidated financial statements of Energy Transfer presented herein include the results of operations of our controlled subsidiaries, including Sunoco LP and USAC.

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Estimates, Significant Accounting Policies and Balance Sheet Detail

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Estimates, Significant Accounting Policies and Balance Sheet Detail

ESTIMATES, SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL:

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the accrual for and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.

The natural gas industry conducts its business by processing actual transactions at the end of the month following the month of delivery. Consequently, the most current month’s financial results for the midstream, NGL and intrastate transportation and storage operations are estimated using volume estimates and market prices. Any differences between estimated results and actual results are recognized in the following month’s financial statements. Management believes that the estimated operating results represent the actual results in all material respects.

Some of the other significant estimates made by management include, but are not limited to, the timing of certain forecasted transactions that are hedged, the fair value of derivative instruments, useful lives for depreciation and amortization, purchase accounting allocations and subsequent realizability of intangible assets, fair value measurements used in the goodwill impairment test, market value of inventory, assets and liabilities resulting from the regulated ratemaking process, contingency reserves and environmental reserves. Actual results could differ from those estimates.

Regulatory Accounting – Regulatory Assets and Liabilities

Our interstate transportation and storage segment is subject to regulation by certain state and federal authorities, and certain subsidiaries in that segment have accounting policies that conform to the accounting requirements and ratemaking practices of the regulatory authorities, in accordance with Accounting Standards Codification (“ASC”) Topic 980. The application of these accounting policies allows certain of our regulated entities to defer expenses and revenues on the balance sheet as regulatory assets and liabilities when it is probable that those expenses and revenues will be allowed in the ratemaking process in a period different from the period in which they would have been reflected in the consolidated statement of operations by an unregulated company. These deferred assets and liabilities will be reported in results of operations in the period in which the same amounts are included in rates and recovered from or refunded to customers. Management’s assessment of the probability of recovery or pass through of regulatory assets and liabilities will require judgment and interpretation of laws and regulatory commission orders. If, for any reason, we cease to meet the criteria for application of regulatory accounting treatment under ASC Topic 980 for these entities, the regulatory assets and liabilities related to those portions ceasing to meet such criteria would be eliminated from the consolidated balance sheet for the period in which the discontinuance of regulatory accounting treatment occurs.

Although Panhandle’s natural gas transmission systems and storage operations are subject to the jurisdiction of the FERC in accordance with the NGA and NGPA, Panhandle does not currently apply ASC Topic 980 in its GAAP-basis consolidated financial statements, primarily due to the level of discounting from tariff rates and its inability to recover specific costs.

Cash, Cash Equivalents and Supplemental Cash Flow Information

Cash and cash equivalents include all cash on hand, demand deposits and investments with original maturities of three months or less. We consider cash equivalents to include short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value.

We place our cash deposits and temporary cash investments with high credit quality financial institutions. At times, our cash and cash equivalents may be uninsured or in deposit accounts that exceed the Federal Deposit Insurance Corporation insurance limit.

The net change in operating assets and liabilities, net of effects of acquisitions, included in cash flows from operating activities is comprised as follows:

	Years Ended December 31,
	2023		2022		2021
Accounts receivable	$	(171)	$	(863)	$	(3,356)
Accounts receivable from related companies	(5)		23		38
Inventories	35		(361)		(19)
Other current assets	221		(326)		(216)
Other non-current assets, net	(125)		146		1
Accounts payable	(501)		25		3,834
Accounts payable to related companies	(38)		6		(34)
Accrued and other current liabilities	209		131		238
Other non-current liabilities	(33)		66		117
Derivative assets and liabilities, net	(43)		(349)		(88)
Net change in operating assets and liabilities, net of effects of acquisitions	$	(451)	$	(1,502)	$	515

Non-cash investing and financing activities and supplemental cash flow information are as follows:

	Years Ended December 31,
	2023		2022		2021
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures	$	442	$	575	$	464
Units issued in connection with the Enable acquisition (1)	—		—		3,509
Units issued in connection with the Crestwood acquisition (1)	3,366		—		—
Units issued in connection with the Lotus Midstream acquisition (1)	574		—		—
Lease assets obtained in exchange for new lease liabilities	23		42		18
Acquisition of interest in unconsolidated affiliate	—		—		49
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest, net of interest capitalized	$	2,298	$	2,167	$	2,188
Cash paid for income taxes (net of refunds)	103		54		41

(1)See Note 3 for additional information.

Accounts Receivable, net

Our operations deal with a variety of counterparties across the energy sector. Internal credit ratings and credit limits are assigned to all counterparties and limits are monitored against credit exposure. Letters of credit or prepayments may be required from those counterparties that are not investment grade depending on the internal credit rating and level of commercial activity with the counterparty.

We have a diverse portfolio of customers; however, because of the midstream and transportation services we provide, many of our customers are engaged in the exploration and production sector. We manage trade credit risk to mitigate credit losses and exposure to uncollectible trade receivables. Prospective and existing customers are reviewed regularly for creditworthiness to manage credit risk within approved tolerances. Customers that do not meet minimum credit standards are required to provide additional credit support in the form of a letter of credit, prepayment, or other forms of security. We establish an allowance for credit losses on trade receivables based on the expected ultimate recovery of these receivables and consider many factors including historical customer collection experience, general and specific economic trends, and known specific issues related to individual customers, sectors, and transactions that might impact collectability. Changes in the allowance are recorded as a component of operating expenses; reductions in the allowance are recorded when receivables are subsequently collected or written-off. Past due receivable balances are written-off when our efforts have been unsuccessful in collecting the amount due.

Inventories

Inventories consist principally of natural gas held in storage, NGLs and refined products, crude oil and spare parts, all of which are valued at the lower of cost or net realizable value utilizing the weighted-average cost method.

Sunoco LP’s fuel inventories are stated at the lower of cost or market using the last-in-first-out (“LIFO”) method. As of December 31, 2023 and 2022, Sunoco LP’s fuel inventory balance included lower of cost or market reserves of $230 million and $116 million, respectively. For the years ended December 31, 2023, 2022 and 2021, the Partnership’s consolidated statements of operations and comprehensive income did not include any material amounts of income from the liquidation of Sunoco LP’s LIFO fuel inventory. For the years ended December 31, 2023, 2022 and 2021, the Partnership’s cost of products sold included an unfavorable inventory adjustment of $114 million, a favorable inventory adjustment of $5 million and a favorable inventory adjustment of $190 million, respectively, related to Sunoco LP’s LIFO inventory.

The Partnership’s inventories consisted of the following:

	December 31,
	2023		2022
Natural gas, NGLs and refined products	$	1,658	$	1,802
Crude oil	258		246
Spare parts and other	562		413
Total inventories	$	2,478	$	2,461

We utilize commodity derivatives to manage price volatility associated with our natural gas inventory. Changes in fair value of designated hedged inventory are recorded in inventory on our consolidated balance sheets and cost of products sold in our consolidated statements of operations.

Other Current Assets

Other current assets consisted of the following:

	December 31,
	2023		2022
Deposits paid to vendors	$	205	$	334
Prepaid expenses and other	308		392
Total other current assets	$	513	$	726

Property, Plant and Equipment, net

Property, plant and equipment is stated at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful or FERC-mandated lives of the assets, if applicable. Expenditures for maintenance and repairs that do not add capacity or extend the useful life are expensed as incurred. Expenditures to refurbish assets that either extend the useful lives of the asset or prevent environmental contamination are capitalized and depreciated over the remaining useful life of the asset. Additionally, we capitalize certain costs directly related to the construction of assets including internal labor costs, interest and engineering costs. Upon disposition or retirement of pipeline components or natural gas plant components, any gain or loss is recorded to accumulated depreciation. When entire pipeline systems, gas plants or other property and equipment is retired or sold, any gain or loss is included in our consolidated statements of operations.

Property, plant and equipment is reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. If such a review should indicate that the carrying amount of long-lived assets is not recoverable, we reduce the carrying amount of such assets to fair value.

For the years ended December 31 2023, 2022 and 2021, USAC recognized fixed asset impairments of $12 million, $1 million and $5 million, respectively, related to its compression equipment as a result of its evaluation of the future deployment of idle fleet.

Capitalized interest is included for pipeline construction projects, except for certain interstate projects for which an allowance for funds used during construction (“AFUDC”) is accrued. Interest is capitalized based on the current borrowing rate of our revolving credit facilities when the related costs are incurred. AFUDC is calculated under guidelines prescribed

by the FERC and capitalized as part of the cost of utility plant for interstate projects. It represents the cost of servicing the capital invested in construction work-in-process. AFUDC is segregated into two component parts – borrowed funds and equity funds.

Components and useful lives of property, plant and equipment were as follows:

	December 31,
	2023		2022
Land and improvements	$	1,529	$	1,427
Buildings and improvements (1 to 45 years)	3,848		3,546
Pipelines and equipment (5 to 83 years)	88,195		82,353
Product storage and related facilities (2 to 83 years)	7,978		7,274
Right of way (20 to 83 years)	7,379		6,252
Other (1 to 48 years)	3,688		2,739
Construction work-in-process	2,315		2,405
	114,932		105,996
Less – Accumulated depreciation and depletion	(29,581)		(25,685)
Property, plant and equipment, net	$	85,351	$	80,311

We recognized the following amounts for the periods presented:

	Years Ended December 31,
	2023		2022		2021
Depreciation, depletion and amortization expense	$	3,986	$	3,774	$	3,465
Capitalized interest	77		112		135

Investments in Unconsolidated Affiliates

We own interests in a number of related businesses that are accounted for by the equity method. In general, we use the equity method of accounting for an investment for which we exercise significant influence over, but do not control, the investee’s operating and financial policies. An impairment of an investment in an unconsolidated affiliate is recognized when circumstances indicate that a decline in the investment value is other than temporary.

Other Non-Current Assets, net

Other non-current assets, net are stated at cost less accumulated amortization. Other non-current assets, net consisted of the following:

	December 31,
	2023		2022
Crude pipeline linefill and tank bottoms	$	598	$	489
Regulatory assets	48		55
Pension assets	145		129
Deferred charges	148		140
Restricted funds	121		121
Other	673		624
Total other non-current assets, net	$	1,733	$	1,558

Restricted funds include an immaterial amount of restricted cash primarily held in our wholly owned captive insurance companies.

Intangible Assets, net

Intangible assets are stated at cost, net of amortization computed on the straight-line method. The Partnership removes the gross carrying amount and the related accumulated amortization for any fully amortized intangibles in the year they are fully amortized.

Components and useful lives of intangible assets were as follows: 

	December 31, 2023				December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizable intangible assets:
Customer relationships, contracts and agreements (3 to 46 years)	$	9,098	$	(3,196)	$	7,884	$	(2,807)
Patents (10 years)	48		(48)		48		(48)
Trade names (20 years)	66		(44)		66		(41)
Other (5 to 20 years)	12		(11)		12		(13)
Total amortizable intangible assets	9,224		(3,299)		8,010		(2,909)
Non-amortizable intangible assets:
Trademarks	302		—		302		—
Other	12		—		12		—
Total non-amortizable intangible assets	314		—		314		—
Total intangible assets	$	9,538	$	(3,299)	$	8,324	$	(2,909)

Aggregate amortization expense of intangible assets was as follows:

	Years Ended December 31,
	2023		2022		2021
Reported in depreciation, depletion and amortization expense	$	399	$	390	$	352

Estimated aggregate amortization of intangible assets for the next five years is as follows:

Years Ending December 31:
2024	$	434
2025	423
2026	417
2027	400
2028	397

We review amortizable intangible assets for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. If such a review should indicate that the carrying amount of amortizable intangible assets is not recoverable, we reduce the carrying amount of such assets to fair value. We review non-amortizable intangible assets for impairment annually, or more frequently if circumstances dictate.

Goodwill

Goodwill is tested for impairment annually or more frequently if circumstances indicate that goodwill might be impaired. The annual impairment test was performed during the fourth quarter.

Changes in the carrying amount of goodwill were as follows:

	Intrastate Transportation and Storage		Interstate Transportation and Storage		Midstream		NGL and Refined Products Transportation and Services		Crude Oil Transportation and Services		Investment in Sunoco LP		Investment in USAC		All Other		Total
Balance, December 31, 2021	$	—	$	—	$	—	$	693	$	190	$	1,568	$	—	$	82	$	2,533
Acquired	—		—		—		—		—		33		—		—		33
Balance, December 31, 2022	—		—		—		693		190		1,601		—		82		2,566
Acquired	—		—		601		191		663		—		—		—		1,455
Other	—		—		—		—		—		(2)		—		—		(2)
Balance, December 31, 2023	$	—	$	—	$	601	$	884	$	853	$	1,599	$	—	$	82	$	4,019

Goodwill is recorded at the acquisition date based on a preliminary purchase price allocation and generally may be adjusted when the purchase price allocation is finalized. During the fourth quarter of 2023, $1.46 billion of goodwill was recorded in conjunction with the acquisition of Crestwood, which is not expected to be deductible for tax purposes. In 2022, Sunoco LP recorded $33 million of goodwill in conjunction with its acquisitions.

The Partnership determines the fair value of our reporting units using the discounted cash flow method, the guideline company method, or a weighted combination of the discounted cash flow method and the guideline company method. Determining the fair value of a reporting unit requires judgment and the use of significant estimates and assumptions. Such estimates and assumptions include revenue growth rates, operating margins, weighted average costs of capital and future market conditions, among others. The Partnership believes the estimates and assumptions used in our impairment assessments are reasonable and based on available market information, but variations in any of the assumptions could result in materially different calculations of fair value and determinations of whether or not an impairment is indicated. Under the discounted cash flow method, the Partnership determines fair value based on estimated future cash flows of each reporting unit including estimates for capital expenditures, discounted to present value using the risk-adjusted industry rate, which reflect the overall level of inherent risk of the reporting unit. Cash flow projections are derived from one year budgeted amounts and five year operating forecasts plus an estimate of later period cash flows, all of which are evaluated by management. Subsequent period cash flows are developed for each reporting unit using growth rates that management believes are reasonably likely to occur. Under the guideline company method, the Partnership determines the estimated fair value of each of our reporting units by applying valuation multiples of comparable publicly-traded companies to each reporting unit’s projected EBITDA and then averaging that estimate with similar historical calculations using a three year average. In addition, the Partnership estimates a reasonable control premium representing the incremental value that accrues to the majority owner from the opportunity to dictate the strategic and operational actions of the business. The fair value estimates used in the long-lived asset and goodwill tests were primarily based on Level 3 inputs of the fair value hierarchy.

Management does not believe that any of the goodwill balances in its reporting units is currently at significant risk of impairment; however, of the $4.02 billion of goodwill on the Partnership’s consolidated balance sheet as of December 31, 2023, approximately $368 million is recorded in reporting units for which the estimated fair value exceeded the carrying value by approximately 20% or less in the most recent quantitative test.

Asset Retirement Obligations

We have determined that we are obligated by contractual or regulatory requirements to remove facilities or perform other remediation upon retirement of certain assets. The fair value of any ARO is determined based on estimates and assumptions related to retirement costs, which the Partnership bases on historical retirement costs, future inflation rates and credit-adjusted risk-free interest rates. These fair value assessments are considered to be Level 3 measurements, as they are based on both observable and unobservable inputs. Changes in the liability are recorded for the passage of time (accretion) or for revisions to cash flows originally estimated to settle the ARO.

An ARO is required to be recorded when a legal obligation to retire an asset exists and such obligation can be reasonably estimated. We will record an ARO in the periods in which management can reasonably estimate the settlement dates.

As of December 31, 2023 and 2022, other non-current liabilities in the Partnership’s consolidated balance sheets included AROs of $410 million and $362 million, respectively. For the years ended December 31, 2023, 2022 and 2021 aggregate accretion expense related to AROs was $10 million, $4 million and $12 million, respectively.

Except for the AROs discussed above, management was not able to reasonably measure the fair value of AROs as of December 31, 2023 and 2022, in most cases because the settlement dates were indeterminable. Although a number of onshore assets in our systems are subject to agreements or regulations that give rise to an ARO upon discontinued use of these assets, AROs were not recorded because these assets have an indeterminate removal or abandonment date given the expected continued use of the assets with proper maintenance or replacement. Our subsidiaries also have legal obligations for several other assets at previously owned refineries, pipelines and terminals, for which it is not possible to estimate when the obligations will be settled. Consequently, the retirement obligations for these assets cannot be measured at this time. At the end of the useful life of these underlying assets, our subsidiaries are legally or contractually required to abandon in place or remove the asset. We believe we may have additional AROs related to pipeline assets and storage tanks, for which it is not possible to estimate whether or when the AROs will be settled. Consequently, these AROs cannot be measured at this time. Sunoco LP also has AROs related to the estimated future cost to remove underground storage tanks.

Individual component assets have been and will continue to be replaced, but the pipeline and the natural gas gathering and processing systems will continue in operation as long as supply and demand for natural gas exists. Based on the widespread use of natural gas in industrial and power generation activities, management expects supply and demand to exist for the

foreseeable future. We have in place a rigorous repair and maintenance program that keeps the pipelines and the natural gas gathering and processing systems in good working order. Therefore, although some of the individual assets may be replaced, the pipelines and the natural gas gathering and processing systems themselves will remain intact indefinitely.

As of December 31, 2023 and 2022, other non-current assets on the Partnership’s consolidated balance sheets included $31 million and $27 million, respectively, of funds that were legally restricted for the purpose of settling AROs.

Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following:

	December 31,
	2023		2022
Interest payable	$	637	$	559
Customer advances and deposits	240		222
Accrued capital expenditures	442		575
Accrued wages and benefits	406		376
Taxes payable other than income taxes	646		519
Exchanges payable	163		224
Deferred revenue	312		268
Other	675		586
Total accrued and other current liabilities	$	3,521	$	3,329

In certain circumstances, customer advances and deposits are received from our customers as prepayments for natural gas deliveries in the following month. Prepayments and security deposits may be required when customers exceed their credit limits or do not qualify for open credit.

Redeemable Noncontrolling Interests

Our redeemable noncontrolling interests relate to certain preferred unitholders of our consolidated subsidiaries that have the option to convert their preferred units to such subsidiary’s common units at the election of the holders and the noncontrolling interest holders in our consolidated subsidiaries that have the option to sell their interests to us. In accordance with applicable accounting guidance, the noncontrolling interest is excluded from total equity and reflected as redeemable noncontrolling interests on our consolidated balance sheets. See Note 7 for further information.

Environmental Remediation

We accrue environmental remediation costs for work at identified sites where an assessment has indicated that cleanup costs are probable and reasonably estimable. Such accruals are undiscounted and are based on currently available information, estimated timing of remedial actions and related inflation assumptions, existing technology and presently enacted laws and regulations. If a range of probable environmental cleanup costs exists for an identified site, the minimum of the range is accrued unless some other point in the range is more likely in which case the most likely amount in the range is accrued.

Fair Value of Financial Instruments

The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable approximate their fair value.

We have commodity derivatives and interest rate derivatives that are accounted for as assets and liabilities at fair value in our consolidated balance sheets. We determine the fair value of our assets and liabilities subject to fair value measurement by using the highest possible “level” of inputs. Level 1 inputs are observable quotes in an active market for identical assets and liabilities. We consider the valuation of marketable securities and commodity derivatives transacted through a clearing broker with a published price from the appropriate exchange as a Level 1 valuation. Level 2 inputs are inputs observable for similar assets and liabilities. We consider OTC commodity derivatives entered into directly with third parties as a Level 2 valuation since the values of these derivatives are quoted on an exchange for similar transactions. Additionally, we consider our options transacted through our clearing broker as having Level 2 inputs due to the level of activity of these contracts on the exchange in which they trade. We consider the valuation of our interest rate derivatives as Level 2 as the primary input, the LIBOR or SOFR curve, is based on quotes from an active exchange of futures for the same period as the

future interest swap settlements. Level 3 inputs are unobservable. During the year ended December 31, 2023, no transfers were made between any levels within the fair value hierarchy.

The following tables summarize the fair value of our financial assets and liabilities measured and recorded at fair value on a recurring basis as of December 31, 2023 and 2022 based on inputs used to derive their fair values:

	Fair Value Total		Fair Value Measurements at December 31, 2023
			Level 1		Level 2
Assets:
Interest rate derivatives	$	6	$	—	$	6
Commodity derivatives:
Natural Gas:
Basis Swaps FERC/NYMEX	24		24		—
Swing Swaps IFERC	20		20		—
Fixed Swaps/Futures	77		77		—
Forward Physical Contracts	8		—		8
Power:
Forwards	57		57		—
Futures	8		8		—
NGLs – Forwards/Swaps	336		336		—
Refined Products – Futures	35		35		—
Crude – Forwards/Swaps	45		45		—
Total commodity derivatives	610		602		8
Other non-current assets	31		20		11
Total assets	$	647	$	622	$	25
Liabilities:
Interest rate derivatives	$	(4)	$	—	$	(4)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	(3)		(3)		—
Swing Swaps IFERC	(2)		(2)		—
Fixed Swaps/Futures	(16)		(16)		—
Options – Puts	(2)		(2)		—
Power:
Forwards	(56)		(56)		—
Futures	(8)		(8)		—
NGL/Refined Products Option - Puts	(1)		(1)		—
NGL/Refined Products Option - Calls	(1)		(1)		—
NGLs – Forwards/Swaps	(316)		(316)		—
Refined Products – Futures	(18)		(18)		—
Crude – Forwards/Swaps	(37)		(37)		—
Total commodity derivatives	(460)		(460)		—
Total liabilities	$	(464)	$	(460)	$	(4)

	Fair Value Total		Fair Value Measurements at December 31, 2022
			Level 1		Level 2
Assets:
Interest rate derivatives	$	—	$	—	$	—
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	60		60		—
Swing Swaps IFERC	75		75		—
Fixed Swaps/Futures	113		113		—
Forward Physical Contracts	10		—		10
Power:
Forwards	52		—		52
Futures	3		3		—
NGLs – Forwards/Swaps	317		317		—
Refined Products – Futures	20		20		—
Crude - Forwards/Swaps	38		38		—
Total commodity derivatives	688		626		62
Other non-current assets	27		18		9
Total assets	$	715	$	644	$	71
Liabilities:
Interest rate derivatives	$	(23)	$	—	$	(23)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	(25)		(25)
Swing Swaps IFERC	(12)		(12)		—
Fixed Swaps/Futures	(4)		(4)		—
Forward Physical Contracts	(2)		—		(2)
Power:
Forwards	(51)				(51)
Futures	(3)		(3)		—
NGLs – Forwards/Swaps	(358)		(358)		—
Refined Products – Futures	(59)		(59)		—
Crude - Forwards/Swaps	(12)		(12)		—
Total commodity derivatives	(526)		(473)		(53)
Total liabilities	$	(549)	$	(473)	$	(76)

Based on the estimated borrowing rates currently available to us and our subsidiaries for loans with similar terms and average maturities, the aggregate fair value and carrying amount of our debt obligations as of December 31, 2023 was $51.93 billion and $52.39 billion, respectively. As of December 31, 2022, the aggregate fair value and carrying amount of our debt obligations was $45.42 billion and $48.26 billion, respectively. The fair value of our consolidated debt obligations is a Level 2 valuation based on the observable inputs used for similar liabilities.

Contributions in Aid of Construction Costs

On certain of our capital projects, third parties are obligated to reimburse us for all or a portion of project expenditures. The majority of such arrangements are associated with pipeline construction and production well tie-ins. Contributions in aid of construction costs (“CIAC”) are netted against our project costs as they are received.

Shipping and Handling Costs

Shipping and handling costs are included in cost of products sold, except for shipping and handling costs related to fuel consumed for compression and treating which are included in operating expenses.

Costs and Expenses

Cost of products sold include actual cost of fuel sold, adjusted for the effects of our hedging and other commodity derivative activities, and the cost of appliances, parts and fittings. Operating expenses include all costs incurred to provide products to customers, including compensation for operations personnel, insurance costs, vehicle maintenance, advertising costs, purchasing costs and plant operations. Selling, general and administrative expenses include all partnership related expenses and compensation for executive, partnership and administrative personnel.

We record the collection of taxes to be remitted to government authorities on a net basis, except for consumer excise taxes collected by Sunoco LP on sales of refined products and merchandise which are included in both revenues and costs and expenses in the consolidated statements of operations, with no effect on net income. For the years ended December 31, 2023, 2022 and 2021, excise taxes collected by Sunoco LP were $274 million, $285 million and $332 million, respectively.

Issuances of Subsidiary Units

We record changes in our ownership interest of our subsidiaries as equity transactions, with no gain or loss recognized in consolidated net income or comprehensive income. For example, upon our subsidiary’s issuance of common units in a public offering, we record any difference between the amount of consideration received or paid and the amount by which the noncontrolling interests are adjusted as a change in partners’ capital.

Related Party Transactions

The Partnership regularly enters into related party transactions with several of its unconsolidated affiliates. In addition to commercial transactions, these transactions include the provision of certain management services and leases of certain assets. While the Partnership believes that such related party transactions generally reflect market rates, the pricing under such agreements may not be comparable to similar transactions with unaffiliated third parties. For the years ended December 31, 2023, 2022 and 2021, the Partnership’s consolidated income statements reflect revenues from related parties of $626 million, $391 million and $410 million, respectively.

Income Taxes

Energy Transfer is a publicly traded limited partnership and is not taxable for federal and most state income tax purposes. As a result, our earnings or losses, to the extent not included in a taxable subsidiary, for federal and most state purposes are included in the tax returns of the individual partners. Net earnings for financial statement purposes may differ significantly from taxable income reportable to Unitholders as a result of differences between the tax basis and financial reporting basis of assets and liabilities, in addition to the allocation requirements related to taxable income under our Partnership Agreement. We do not have access to information regarding each partner’s individual tax basis in our limited partner interests.

As a publicly traded limited partnership, we are subject to a statutory requirement that our “qualifying income” (as defined by the Internal Revenue Code, related Treasury Regulations, and IRS pronouncements) exceed 90% of our total gross income, determined on a calendar year basis. If our qualifying income does not meet this statutory requirement, Energy Transfer would be taxed as a corporation for federal and state income tax purposes. For the years ended December 31, 2023, 2022 and 2021, our qualifying income met the statutory requirement.

The Partnership conducts certain activities through corporate subsidiaries which are subject to federal, state and local, and foreign income taxes. These corporate subsidiaries include ETP Holdco, Sunoco Retail LLC, and Aloha, among others. The Partnership and its corporate subsidiaries account for income taxes under the asset and liability method.

Under this method, deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured using enacted tax rates in effect for the year in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rate is recognized in earnings in the period that includes the enactment date. Valuation allowances are established when necessary to reduce deferred tax assets to the amounts more likely than not to be realized.

The determination of the provision for income taxes requires significant judgment, use of estimates, and the interpretation and application of complex tax laws. Significant judgment is required in assessing the timing and amounts of deductible and taxable items and the probability of sustaining uncertain tax positions. The benefits of uncertain tax positions are recorded in our consolidated financial statements only after determining a more-likely-than-not probability that the uncertain tax positions will withstand challenge, if any, from taxing authorities. When facts and circumstances change, we reassess these probabilities and record any changes through the provision for income taxes.

Accounting for Derivative Instruments and Hedging Activities

For qualifying hedges, we formally document, designate and assess the effectiveness of transactions that receive hedge accounting treatment and the gains and losses offset related results on the hedged item in the statement of operations. The market prices used to value our financial derivatives and related transactions have been determined using independent third-party prices, readily available market information, broker quotes and appropriate valuation techniques.

At inception of a hedge, we formally document the relationship between the hedging instrument and the hedged item, the risk management objectives, and the methods used for assessing and testing effectiveness and how any ineffectiveness will be measured and recorded. We also assess, both at the inception of the hedge and on a quarterly basis, whether the derivatives that are used in our hedging transactions are highly effective in offsetting changes in cash flows. If we determine that a derivative is no longer highly effective as a hedge, we discontinue hedge accounting prospectively by including changes in the fair value of the derivative in net income for the period.

If we designate a commodity hedging relationship as a fair value hedge, we record the changes in fair value of the hedged asset or liability in cost of products sold in our consolidated statements of operations. This amount is offset by the changes in fair value of the related hedging instrument. Any ineffective portion or amount excluded from the assessment of hedge ineffectiveness is also included in the cost of products sold in the consolidated statements of operations.

Cash flows from derivatives accounted for as cash flow hedges are reported as cash flows from operating activities, in the same category as the cash flows from the items being hedged.

If we designate a derivative financial instrument as a cash flow hedge and it qualifies for hedge accounting, the change in the fair value is deferred in AOCI until the underlying hedged transaction occurs. Any ineffective portion of a cash flow hedge’s change in fair value is recognized each period in earnings. Gains and losses deferred in AOCI related to cash flow hedges remain in AOCI until the underlying physical transaction occurs, unless it is probable that the forecasted transaction will not occur by the end of the originally specified time period or within an additional two-month period of time thereafter. For financial derivative instruments that do not qualify for hedge accounting, the change in fair value is recorded in cost of products sold in the consolidated statements of operations.

We manage a portion of our interest rate exposures by utilizing interest rate swaps and similar instruments. Certain of our interest rate derivatives are accounted for as either cash flow hedges or fair value hedges. For interest rate derivatives accounted for as either cash flow or fair value hedges, we report realized gains and losses and ineffectiveness portions of those hedges in interest expense. For interest rate derivatives not designated as hedges for accounting purposes, we report realized and unrealized gains and losses on those derivatives in “Gains (losses) on interest rate derivatives” in the consolidated statements of operations.

Equity Incentive Compensation

For awards of restricted units, we recognize compensation expense over the vesting period based on the grant-date fair value, which is determined based on the market price of the underlying common units on the grant date. For awards of cash restricted units, we remeasure the fair value of the award at the end of each reporting period based on the market price of the underlying common units as of the reporting date, and the fair value is recorded in other non-current liabilities on our consolidated balance sheets.

Pensions and Other Postretirement Benefit Plans

The Partnership recognizes the overfunded or underfunded status of defined benefit pension and other postretirement plans, measured as the difference between the fair value of the plan assets and the benefit obligation (the projected benefit obligation for pension plans and the accumulated postretirement benefit obligation for other postretirement plans). Each overfunded plan is recognized as an asset and each underfunded plan is recognized as a liability. Changes in the funded status of the plan are recorded in the year in which the change occurs within AOCI in equity or, for entities applying regulatory accounting, as a regulatory asset or regulatory liability.

Allocation of Income

For purposes of maintaining partner capital accounts, the Partnership Agreement specifies that items of income and loss shall generally be allocated among the partners in accordance with their percentage interests.

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Acquisitions and Related Transactions

12 Months Ended

Dec. 31, 2023

Acquisitions and Dispositions [Abstract]

Acquisitions and Related Transactions

ACQUISITIONS, DIVESTITURES AND RELATED TRANSACTIONS:

Crestwood Acquisition

On November 3, 2023, Energy Transfer acquired Crestwood, which owns gathering and processing assets located in the Williston, Delaware and Powder River basins. Under the terms of the merger agreement, holders of Crestwood common units received 2.07 Energy Transfer common units for each Crestwood common unit held by them (the “Common Unit Merger Consideration”). Additionally, each outstanding Crestwood preferred unit was, at the election of the holder of such Crestwood preferred unit, either, (i) converted into a Series I Preferred Unit, which is a new preferred unit of Energy Transfer that has substantially similar terms, including with respect to economics and structural protections, as the Crestwood preferred units; (ii) redeemed in exchange for $9.857484 in cash plus accrued and unpaid distributions to the date of such redemption; or (iii) converted into a Crestwood common unit at the then-applicable conversion ratio of one Crestwood common unit for ten Crestwood preferred units, and such Crestwood common units then received the Common Unit Merger Consideration.

In total, consideration issued in the transaction included approximately 216 million Energy Transfer common units, 41 million Series I Preferred Units and $300 million in cash. Concurrent with the closing of the Crestwood acquisition, the Partnership assumed $2.85 billion aggregate principal amount of Crestwood senior notes and terminated its revolving credit facility, which included the repayment of $613 million in outstanding borrowings.

The Crestwood acquisition was recorded using the acquisition method of accounting, which requires, among other things, that assets acquired and liabilities assumed be recognized on the balance sheet at their estimated fair values on the date of acquisition with any excess purchase price over the fair value of net assets acquired recorded to goodwill. Determining the fair value of acquired assets requires management’s judgment and the utilization of an independent valuation specialist, if applicable, and involves the use of significant estimates and assumptions. Acquired assets were valued based on a combination of the discounted cash flow, the guideline company and the reproduction and replacement methods.

The following table summarizes the assumed allocation of the purchase price among the assets acquired and liabilities assumed:

	At November 3, 2023
Total current assets	$	657
Property, plant and equipment, net	4,772
Investments in unconsolidated affiliates	95
Lease right-of-use assets, net	27
Other non-current assets	12
Intangible assets, net	1,139
Goodwill	1,455
Total assets	8,157
Total current liabilities	445
Long-term debt, less current maturities	3,461
Other non-current liabilities	322
Total liabilities	4,228
Noncontrolling interests	272
Total consideration	3,657
Cash received	12
Total consideration, net of cash received	$	3,645

Lotus Midstream Acquisition

On May 2, 2023, Energy Transfer acquired Lotus Midstream for total consideration of $1.50 billion, including working capital. Consideration included $930 million in cash and approximately 44.5 million newly issued Energy Transfer common units, which had an aggregate acquisition-date fair value of $574 million. Lotus Midstream owns and operates Centurion Pipeline Company LLC, an integrated crude midstream platform located in the Permian Basin.

The following table summarizes the allocation of the purchase price among the assets acquired and liabilities assumed:

	At May 2, 2023
Total current assets	$	61
Property, plant and equipment, net	1,263
Investments in unconsolidated affiliates	138
Lease right-of-use assets, net	10
Other non-current assets	4
Intangible assets, net	75
Total assets	1,551
Total current liabilities	27
Other non-current liabilities	16
Total liabilities	43
Total consideration	1,508
Cash received	4
Total consideration, net of cash received	$	1,504

Woodford Express Acquisition

On September 13, 2022, Energy Transfer completed the acquisition of 100% of the membership interests in Woodford Express, LLC, which owns a Midcontinent gas gathering and processing system, for approximately $485 million plus working capital. The system, which is located in the heart of the SCOOP play, has 450 MMcf/d of cryogenic gas processing and treating capacity and over 200 miles of gathering lines, which are connected to Energy Transfer’s pipeline network. Woodford Express, LLC repaid aggregate principal of $292 million on its revolving credit facility and term loan on the closing date of the acquisition, which amount is included in the total consideration.

Energy Transfer Canada Sale

In August 2022, the Partnership completed the sale of its 51% interest in Energy Transfer Canada. The sale resulted in cash proceeds to Energy Transfer of $302 million.

Energy Transfer Canada’s assets and operations were included in the Partnership’s all other segment until August 2022. Energy Transfer Canada did not meet the criteria to be reflected as discontinued operations in the Partnership’s consolidated statement of operations. Based on the anticipated proceeds upon signing of the share purchase agreement in February 2022, during the three months ended March 31, 2022, the Partnership recorded a write-down on Energy Transfer Canada’s assets of $300 million, of which $164 million was allocated to noncontrolling interests and $136 million was reflected in net income attributable to partners. Upon the completion of the sale in August 2022, the Partnership recorded an $85 million loss on deconsolidation.

Spindletop Assets Purchase

In March 2022, the Partnership purchased the membership interests in Caliche Coastal Holdings, LLC (subsequently renamed Energy Transfer Spindletop LLC), which owns an underground storage facility near Mont Belvieu, Texas, for approximately $325 million.

Enable Acquisition

On December 2, 2021, the Partnership completed the previously announced merger with Enable. Under the terms of the merger agreement, Enable’s common unitholders received 0.8595 of an Energy Transfer common unit in exchange for each

Enable common unit. In addition, each outstanding Enable Series A preferred unit was exchanged for 0.0265 of an Energy Transfer Series G Preferred Unit. A total of 384,780 Series G Preferred Units were issued in connection with the Enable acquisition. The total fair value of Energy Transfer common units and Series G Preferred Units issued was approximately $3.5 billion at the closing date. Energy Transfer also made a $10 million cash payment for Enable’s general partner and assumed $3.18 billion aggregate principal amount of Enable senior notes. In addition, Enable’s $800 million term loan and $35 million revolving credit facility were repaid and terminated in December 2021, immediately subsequent to the close of the Enable acquisition.

The Enable acquisition was recorded using the acquisition method of accounting, which requires, among other things, that assets acquired and liabilities assumed be recognized on the balance sheet at their estimated fair values on the date of acquisition with any excess purchase price over the fair value of net assets acquired recorded to goodwill. Determining the fair value of acquired assets requires management’s judgment and the utilization of an independent valuation specialist, if applicable, and involves the use of significant estimates and assumptions. Acquired assets were valued based on a combination of the discounted cash flow, the guideline company and the reproduction and replacement methods.

The following table summarizes the allocation of the purchase price among the assets acquired and liabilities assumed:

	At December 2, 2021
Total current assets	$	593
Property, plant and equipment, net	7,076
Investments in unconsolidated affiliates	40
Other non-current assets	39
Intangible assets, net	440
Goodwill	138
Total assets	8,326
Total current liabilities	488
Long-term debt, less current maturities	4,267
Other non-current liabilities	18
Total liabilities	4,773
Noncontrolling interests	34
Total consideration	3,519
Cash received	61
Total consideration, net of cash received	$	3,458

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Advances to and Investments in Unconsolidated Affiliates

12 Months Ended

Dec. 31, 2023

Investment In Affiliates [Abstract]

Investments In Affiliates

INVESTMENTS IN UNCONSOLIDATED AFFILIATES:

Description of Investments

Following is a summary of the Partnership’s significant unconsolidated investees.

Citrus

Energy Transfer owns a 50% interest in Citrus. Citrus owns 100% of FGT, an approximately 5,362-mile natural gas pipeline system that originates in Texas and delivers natural gas to the Florida peninsula. Our investment in Citrus is reflected in our interstate transportation and storage segment.

MEP

Energy Transfer owns a 50% interest in MEP, which owns the Midcontinent Express Pipeline, an approximately 500-mile natural gas pipeline that extends from Southeast Oklahoma, across Northeast Texas, Northern Louisiana and Central Mississippi to an interconnect with the Transcontinental natural gas pipeline system in Butler, Alabama. Our investment in MEP is reflected in the interstate transportation and storage segment.

White Cliffs

Energy Transfer owns a 51% interest in White Cliffs, which consists of two parallel, 12-inch common carrier pipelines: one crude oil pipeline and one NGL pipeline. These pipelines transport crude and NGLs from Platteville, Colorado to Cushing, Oklahoma.

Explorer

Energy Transfer owns a 15% membership interest in Explorer, which consists of a 1,850-mile pipeline which originates from refining centers in Beaumont, Port Arthur, and Houston, Texas and extends to Chicago, Illinois. Our investment in Explorer is reflected in our NGL and refined products transportation and services segment.

Summary of Balances Related to Unconsolidated Affiliates

The carrying values of the Partnership’s investments in unconsolidated affiliates as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Citrus	$	1,811	$	1,800
MEP	332		360
White Cliffs	203		218
Explorer	67		69
Other	684		446
Total	$	3,097	$	2,893

The following table presents equity in earnings (losses) of unconsolidated affiliates:

	Years Ended December 31,
	2023		2022		2021
Citrus	$	146	$	141	$	157
MEP	87		10		(17)
White Cliffs	10		(8)		—
Explorer	37		25		24
Other	103		89		82
Total equity in earnings of unconsolidated affiliates	$	383	$	257	$	246

Summarized Financial Information

The following tables present aggregated selected balance sheet and income statement data for our unconsolidated affiliates, Citrus, MEP, White Cliffs and Explorer (on a 100% basis) for all periods presented:

	December 31,
	2023		2022
Current assets	$	378	$	311
Property, plant and equipment, net	7,582		7,722
Other assets	88		86
Total assets	$	8,048	$	8,119
Current liabilities	$	260	$	291
Non-current liabilities	4,379		4,347
Equity	3,409		3,481
Total liabilities and equity	$	8,048	$	8,119

	Years Ended December 31,
	2023		2022		2021
Revenue	$	1,798	$	1,518	$	1,393
Operating income	1,012		704		684
Net income	735		463		446

In addition to the equity method investments described above, we have other equity method investments which are not significant to our consolidated financial statements.

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Net Income Per Limited Partner Unit

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Net Income Per Limited Partner Unit

NET INCOME PER COMMON UNIT:

Basic net income per common unit is computed by dividing net income, after considering the General Partner’s interest, by the weighted average number of limited partner interests outstanding. Diluted net income per common unit is computed by dividing net income (as adjusted as discussed herein), after considering the General Partner’s interest, by the weighted average number of limited partner interests outstanding. For the diluted earnings per share computation, income allocable to the limited partners is reduced, where applicable, for the decrease in earnings from Energy Transfer’s limited partner unit ownership in Sunoco LP and USAC that would have resulted assuming the incremental units related to Sunoco LP’s and USAC’s respective long-term incentive plans, as applicable, had been issued during the respective periods. Such units have been determined based on the treasury stock method.

A reconciliation of net income and weighted average units used in computing basic and diluted net income per unit is as follows:

	Years Ended December 31,
	2023		2022		2021
Net income	$	5,294	$	5,868	$	6,687
Less: Net income attributable to redeemable noncontrolling interests	60		51		50
Less: Net income attributable to noncontrolling interests	1,299		1,061		1,167
Net income, net of noncontrolling interests	3,935		4,756		5,470
Less: General Partner’s interest in income	3		4		6
Less: Preferred Unitholders’ interest in income	463		422		285
Common Unitholders’ interest in net income	$	3,469	$	4,330	$	5,179
Basic Income per Common Unit:
Weighted average common units	3,161.7		3,086.8		2,734.4
Basic income per common unit	$	1.10	$	1.40	$	1.89
Diluted Income per Common Unit:
Common Unitholders’ interest in net income	$	3,469	$	4,330	$	5,179
Dilutive effect of equity-based compensation of subsidiaries and distributions to convertible units	(1)		(2)		(2)
Diluted income available to Common Unitholders	$	3,468	$	4,328	$	5,177
Weighted average common units	3,161.7		3,086.8		2,734.4
Dilutive effect of unvested unit awards	15.5		10.2		5.1
Weighted average common units, assuming dilutive effect of unvested unit awards	3,177.2		3,097.0		2,739.5
Diluted income per common unit	$	1.09	$	1.40	$	1.89

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Debt Obligations

12 Months Ended

Dec. 31, 2023

Debt Obligations [Abstract]

Debt Disclosure [Text Block]

DEBT OBLIGATIONS:

Our debt obligations consist of the following:

	December 31,
	2023	2022
Energy Transfer Indebtedness
3.45% Senior Notes due January 15, 2023(1)	—	350
3.60% Senior Notes due February 1, 2023(1)	—	800
4.25% Senior Notes due March 15, 2023(1)	—	5
4.25% Senior Notes due March 15, 2023(1)	—	995
4.20% Senior Notes due September 15, 2023(1)	—	500
4.50% Senior Notes due November 1, 2023(1)	—	600
5.875% Senior Notes due January 15, 2024(2)(3)	23	23
5.875% Senior Notes due January 15, 2024(2)(3)	1,127	1,127
7.60% Senior Notes due February 1, 2024(2)(3)	82	82
4.90% Senior Notes due February 1, 2024(2)(3)	350	350
7.60% Senior Notes due February 1, 2024(1)	—	277
4.25% Senior Notes due April 1, 2024(3)	500	500
4.50% Senior Notes due April 15, 2024(3)	750	750
3.90% Senior Notes due May 15, 2024(3)	600	600
9.00% Debentures due November 1, 2024(3)	65	65
4.05% Senior Notes due March 15, 2025	1,000	1,000
5.75% Senior Notes due April 1, 2025(4)	500	—
2.90% Senior Notes due May 15, 2025	1,000	1,000
5.95% Senior Notes due December 1, 2025	400	400
4.75% Senior Notes due January 15, 2026	1,000	1,000
3.90% Senior Notes due July 15, 2026	550	550
6.05% Senior Notes due December 1, 2026	1,000	—
4.40% Senior Notes due March 15, 2027	700	700
4.20% Senior Notes due April 15, 2027	600	600
6.05% Senior Notes due May 1, 2027(4)	600	—
5.50% Senior Notes due June 1, 2027	44	44
5.50% Senior Notes due June 1, 2027	956	956
4.00% Senior Notes due October 1, 2027	750	750
5.55% Senior Notes due February 15, 2028	1,000	1,000
4.95% Senior Notes due May 15, 2028	800	800
4.95% Senior Notes due June 15, 2028	1,000	1,000
6.10% Senior Notes due December 1, 2028	500	—
6.00% Senior Notes due February 1, 2029(4)	700	—
8.00% Senior Notes due April 1, 2029(4)	450	—
5.25% Senior Notes due April 15, 2029	1,500	1,500
7.00% Senior Notes due July 15, 2029	66	66
4.15% Senior Notes due September 15, 2029	547	547
8.25% Senior Notes due November 15, 2029	33	33
8.25% Senior Notes due November 15, 2029	267	267
3.75% Senior Note due May 15, 2030	1,500	1,500
6.40% Senior Notes due December 1, 2030	1,000	—
7.38% Senior Notes due April 1, 2031(4)	600	—
5.75% Senior Notes due February 15, 2033	1,500	1,500

4.05% Tax-Exempt Bonds due June 1, 2033(5)	225	—
6.55% Senior Notes due December 1,2033	1,500	—
4.90% Senior Notes due March 15, 2035	500	500
6.625% Senior Notes due October 15, 2036	400	400
5.80% Senior Notes due June 15, 2038	500	500
7.50% Senior Notes due July 1, 2038	550	550
6.85% Senior Notes due February 15, 2040	250	250
6.05% Senior Notes due June 1, 2041	700	700
6.50% Senior Notes due February 1, 2042	1,000	1,000
6.10% Senior Notes due February 15, 2042	300	300
4.95% Senior Notes due January 15, 2043	350	350
5.15% Senior Notes due February 1, 2043	450	450
5.95% Senior Notes due October 1, 2043	450	450
5.30% Senior Notes due April 1, 2044	700	700
5.00% Senior Notes due May 15, 2044	531	531
5.15% Senior Notes due March 15, 2045	1,000	1,000
5.35% Senior Notes due May 15, 2045	800	800
6.125% Senior Notes due December 15, 2045	1,000	1,000
5.30% Senior Notes due April 15, 2047	900	900
5.40% Senior Notes due October 1, 2047	1,500	1,500
6.00% Senior Notes due June 15, 2048	1,000	1,000
6.25% Senior Notes due April 15, 2049	1,750	1,750
5.00% Senior Notes due May 15, 2050	2,000	2,000
Floating Rate Junior Subordinated Notes due November 1, 2066	600	600
Five-Year Credit Facility	1,412	793
Unamortized premiums, discounts and fair value adjustments, net	128	184
Deferred debt issuance costs	(197)	(181)
	44,359	40,264
Subsidiary Indebtedness
Transwestern Debt
5.66% Senior Notes due December 9, 2024(3)	175	175
6.16% Senior Notes due May 24, 2037	75	75
	250	250
Bakken Project Debt
3.90% Senior Notes due April 1, 2024	1,000	1,000
4.625% Senior Notes due April 1, 2029	850	850
Unamortized premiums, discounts and fair value adjustments, net	(1)	(1)
Deferred debt issuance costs	(4)	(7)
	1,845	1,842

Sunoco LP Debt
6.00% Senior Notes Due April 15, 2027	600		600
5.875% Senior Notes Due March 15, 2028	400		400
7.00% Senior Notes due September 25, 2028	500		—
4.50% Senior Notes due May 15, 2029	800		800
4.50% Senior Notes due April 30, 2030	800		800
Sunoco LP Credit Facility due April 7, 2027	411		900
Lease-related obligations	94		94
Deferred debt issuance costs	(25)		(23)
	3,580		3,571
USAC Debt
6.875% Senior Notes due April 1, 2026	725		725
6.875% Senior Notes due September 1, 2027	750		750
USAC Credit Facility due December 2026(6)	872		646
Deferred debt issuance costs	(11)		(14)
	2,336		2,107
HFOTCO Debt
HFOTCO Tax Exempt Notes due 2050 (5)	—		225
	—		225
Other long-term debt	18		3
Total debt	52,388		48,262
Less: Current maturities of long-term debt	1,008		2
Long-term debt, less current maturities	$	51,380	$	48,260

(1)These notes were redeemed in 2023.

(2)These notes were redeemed subsequent to December 31, 2023.

(3)As of December 31, 2023, these notes were classified as long-term as management had the intent and ability to refinance the borrowings on a long-term basis.

(4)These notes, totaling $2.85 billion aggregate principal amount, were assumed by the Partnership in connection with the closing of the Crestwood acquisition in November 2023.

(5)In May 2023, the Partnership refinanced all of the $225 million outstanding principal amount of HFOTCO tax-exempt bonds with new 10-year tax-exempt bonds. The new bonds, which were issued through the Harris County Industrial Development Corporation and are obligations of Energy Transfer, accrue interest at a fixed rate of 4.05% and are mandatorily redeemable in 2033. Upon redemption, these tax-exempt bonds may be remarketed on different terms through final maturity of November 1, 2050.

(6)The USAC Credit Facility matures in December 2026, except that if any portion of the 6.875% Senior Notes due 2026 are outstanding on December 31, 2025, the USAC Credit Facility will mature on December 31, 2025.

The following table reflects future maturities of long-term debt for each of the next five years and thereafter. These amounts exclude $237 million in unamortized premiums, fair value adjustments and deferred debt issuance costs, net:

2024	$	4,672
2025	2,900
2026	4,147
2027	6,823
2028	4,200
Thereafter	29,756
Total	$	52,498

Long-term debt reflected on our consolidated balance sheets includes fair value adjustments related to interest rate swaps, which represent fair value adjustments that had been recorded in connection with fair value hedge accounting prior to the termination of the interest rate swap.

Notes and Debentures

Senior Notes

The Energy Transfer Senior Notes are the Partnership’s senior obligations, ranking equally in right of payment with our other existing and future unsubordinated debt and senior to any of its future subordinated debt. The Energy Transfer Senior Notes are not guaranteed by any of its subsidiaries.

The covenants related to the Energy Transfer Senior Notes include a limitation on liens, a limitation on transactions with affiliates, a restriction on sale-leaseback transactions and limitations on mergers and sales of all or substantially all of the Partnership’s assets.

January 2024 Notes Issuance

In January 2024, the Partnership issued $1.25 billion aggregate principal amount of 5.55% Senior Notes due 2034, $1.75 billion aggregate principal amount of 5.95% Senior Notes due 2054 and $800 million aggregate principal amount of 8.00% fixed-to-fixed reset rate Junior Subordinated Notes due 2054. The Partnership used the net proceeds to refinance existing indebtedness, including borrowings under its Five-Year Credit Facility (defined below), to redeem its outstanding Series C Preferred Units and Series D Preferred Units and for general partnership purposes. The Partnership also intends to use the proceeds to redeem its Series E Preferred Units in May 2024.

Credit Facilities and Commercial Paper

Five-Year Credit Facility

The Partnership’s Five-Year Credit Facility allows for unsecured borrowings up to $5.00 billion and matures on April 11, 2027. The Five-Year Credit Facility contains an accordion feature, under which the total aggregate commitment may be increased up to $7.00 billion under certain conditions.

As of December 31, 2023, the Five-Year Credit Facility had $1.41 billion of outstanding borrowings, $1.37 billion of which consisted of commercial paper. The amount available for future borrowings was $3.56 billion, after accounting for outstanding letters of credit in the amount of $29 million. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 5.87%.

Sunoco LP Credit Facility

Sunoco LP maintains a $1.50 billion revolving credit facility (the “Sunoco LP Credit Facility”). As of December 31, 2023, the Sunoco LP Credit Facility had $411 million of outstanding borrowings and $5 million in standby letters of credit and matures in April 2027. The amount available for future borrowings was $1.08 billion at December 31, 2023. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 7.54%.

USAC Credit Facility

USAC maintains a $1.60 billion revolving credit facility (the “USAC Credit Facility”) which matures on December 8, 2026, except that if any portion of USAC’s senior notes due 2026 are outstanding on December 31, 2025, the USAC Credit Facility will mature on December 31, 2025. As of December 31, 2023, USAC had $872 million of outstanding borrowings

and no outstanding letters of credit under the credit agreement. As of December 31, 2023, USAC had $728 million of remaining unused availability of which, due to restrictions related to compliance with the applicable financial covenants, $529 million was available to be drawn. The weighted average interest rate on the total amount outstanding as of December 31, 2023 was 7.98%.

Covenants Related to Our Credit Agreements

The agreements relating to the Senior Notes contain restrictive covenants customary for an issuer with an investment-grade rating from the rating agencies, which covenants include limitations on liens and a restriction on sale-leaseback transactions.

The Five-Year Credit Facility contains covenants that limit (subject to certain exceptions) the Partnership’s and certain of the Partnership’s subsidiaries’ ability to, among other things:

•incur indebtedness;

•grant liens;

•enter into mergers;

•dispose of assets;

•make certain investments;

•make Distributions (as defined in the Five-Year Credit Facility) during certain Defaults (as defined in the Five-Year Credit Facility) and during any Event of Default (as defined in the Five-Year Credit Facility);

•engage in business substantially different in nature than the business currently conducted by the Partnership and its subsidiaries;

•engage in transactions with affiliates; and

•enter into restrictive agreements.

The applicable margin and rate used in connection with the interest rates and commitment fees, respectively, are based on the credit ratings assigned to our senior, unsecured, non-credit enhanced long-term debt. The applicable margin for eurodollar rate loans under the Five-Year Credit Facility ranges from 1.125% to 2.000% and the applicable margin for base rate loans ranges from 0.125% to 1.000%. The applicable rate for commitment fees under the Five-Year Credit Facility ranges from 0.125% to 0.300%. 

The Five-Year Credit Facility contains various covenants including limitations on the creation of indebtedness and liens and related to the operation and conduct of our business. The Five-Year Credit Facility also limits us, on a rolling four quarter basis, to a maximum Consolidated Funded Indebtedness to Consolidated EBITDA ratio, as defined in the underlying credit agreement, of 5.00 to 1.00, which can generally be increased to 5.50 to 1.00 during a Specified Acquisition Period. Our Leverage Ratio was 3.31 to 1.00 at December 31, 2023, as calculated in accordance with the credit agreement.

Failure to comply with the various restrictive and affirmative covenants of our revolving credit facilities could require us to pay debt balances prior to scheduled maturity and could negatively impact the Partnership’s or our subsidiaries’ ability to incur additional debt and/or our ability to pay distributions to Unitholders.

Covenants Related to Transwestern

The agreements relating to the Transwestern senior notes contain certain restrictions that, among other things, limit the incurrence of additional debt, the sale of assets and the payment of dividends and specify a maximum debt to capitalization ratio.

Covenants Related to Sunoco LP

The Sunoco LP Credit Facility contains various customary representations, warranties, covenants and events of default, including a change of control event of default, as defined therein. Sunoco LP’s Credit Facility requires Sunoco LP to maintain a specified net leverage ratio and interest coverage ratio.

Covenants Related to USAC

The USAC Credit Facility contains covenants that limit (subject to certain exceptions) USAC’s ability to, among other things:

•grant liens;

•make certain loans or investments;

•incur additional indebtedness or guarantee other indebtedness;

•enter into transactions with affiliates;

•merge or consolidate;

•sell our assets; and

•make certain acquisitions.

The USAC Credit Facility is also subject to the following financial covenants, including covenants requiring USAC to maintain:

•a minimum EBITDA to interest coverage ratio;

•a ratio of total secured indebtedness to EBITDA within a specified range; and

•a maximum funded debt to EBITDA ratio.

Compliance with our Covenants

Failure to comply with the various restrictive and affirmative covenants of our revolving credit facilities and note agreements could require us or our subsidiaries to pay debt balances prior to scheduled maturity and could negatively impact the subsidiaries ability to incur additional debt and/or our ability to pay distributions.

We and our subsidiaries were in compliance with all requirements, tests, limitations, and covenants related to our debt agreements as of December 31, 2023.

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Redeemable Noncontrolling Interest

12 Months Ended

Dec. 31, 2023

Preferred Units, Preferred Partners' Capital Account [Abstract]

Redeemable Noncontrolling Interest [Text Block]

REDEEMABLE NONCONTROLLING INTERESTS:

Certain redeemable noncontrolling interests in the Partnership’s subsidiaries are reflected as mezzanine equity on the consolidated balance sheet. As of December 31, 2023 and 2022, redeemable noncontrolling interests included $476 million and $477 million, respectively, related to the USAC Preferred Units, described below, and $22 million and $16 million, respectively, related to noncontrolling interest holders in one of the Partnership’s consolidated subsidiaries that have the option to sell their interests to the Partnership. As of December 31, 2023, redeemable noncontrolling interests also included $280 million related to the Niobrara Preferred Units described below.

USAC Series A Preferred Units

As of December 31, 2023 and 2022, USAC had 500,000 preferred units issued and outstanding. The USAC Preferred Units are entitled to receive cumulative quarterly distributions equal to $24.375 per USAC Preferred Unit, subject to increase in certain limited circumstances. The USAC Preferred Units will have a perpetual term, unless converted or redeemed. Certain portions of the USAC Preferred Units are convertible into USAC common units at the election of the holders. The USAC Preferred Units are convertible, at the option of the holder, into a maximum of 24,985,633 USAC common units in the aggregate. USAC has the option to redeem all or any portion of the USAC Preferred Units then outstanding, subject to certain minimum redemption threshold amounts, for a redemption price set forth in USAC’s partnership agreement. In addition, beginning April 2028, the holders of the USAC Preferred Units will have the right to require USAC to redeem all or any portion of the USAC Preferred Units, and USAC may elect to pay up to 50% of such redemption amount in USAC common units.

On January 12, 2024, the holders of the USAC Preferred Units elected to convert 40,000 USAC Preferred Units into 1,998,850 USAC common units.

Niobrara Preferred Units

Crestwood Niobrara LLC (“Crestwood Niobrara”), a subsidiary acquired in the Crestwood acquisition in November 2023, has outstanding two series of preferred units (collectively, the “Niobrara Preferred Units”) held by a third party. The Niobrara Preferred Units are redeemable by the Partnership or the preferred interest holder and are also convertible by the

preferred interest holder into Crestwood Niobrara common units. The preferred interest holder also has the option to contribute additional capital to Crestwood Niobrara to increase their common ownership percentage in Crestwood Niobrara to 50% upon the conversion.

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Equity

12 Months Ended

Dec. 31, 2022

Partners' Capital Notes [Abstract]

Equity

EQUITY:

Limited Partners

Limited partner interests in the Partnership are represented by Common Units that entitle the holders thereof to the rights and privileges specified in the Partnership Agreement. The Partnership’s Common Units are registered under the Securities Exchange Act of 1934 (as amended) and are listed for trading on the NYSE. Each holder of a Common Unit is entitled to one vote per unit on all matters presented to the Limited Partners for a vote. In addition, if at any time any person or group (other than the Partnership’s General Partner and its affiliates) owns beneficially 20% or more of all Common Units, any Common Units owned by that person or group may not be voted on any matter and are not considered to be outstanding when sending notices of a meeting of Unitholders (unless otherwise required by law), calculating required votes, determining the presence of a quorum or for other similar purposes under the Partnership Agreement. The Common Units are entitled to distributions of Available Cash as described at “Quarterly Distributions of Available Cash.”

Our Partnership Agreement contains specific provisions for the allocation of net earnings and losses to the partners for purposes of maintaining the partner capital accounts. For any fiscal year that the Partnership has net profits, such net profits are first allocated to the General Partner (which currently holds an approximately 0.1% general partner interest) until the aggregate amount of net profits for the current and all prior fiscal years equals the aggregate amount of net losses allocated to the General Partner for the current and all prior fiscal years. Second, such net profits shall be allocated to the Limited Partners pro rata in accordance with their respective sharing ratios. For any fiscal year in which the Partnership has net losses, such net losses shall be first allocated to the Limited Partners in proportion to their respective adjusted capital account balances, as defined by the Partnership Agreement, (before taking into account such net losses) until their adjusted capital account balances have been reduced to zero. Second, all remaining net losses shall be allocated to the General Partner. The General Partner may distribute to the Limited Partners funds of the Partnership that the General Partner reasonably determines are not needed for the payment of existing or foreseeable Partnership obligations and expenditures.

Common Units

The change in Energy Transfer Common Units during the years ended December 31, 2023, 2022 and 2021 was as follows:

	Years Ended December 31,
	2023	2022	2021
Number of Common Units, beginning of period	3,094.4	3,082.5	2,702.4
Common Units issued in mergers and acquisitions (1)	260.2	—	374.6
Common Units repurchased	—	—	(4.2)
Issuance of Common Units (2)	12.9	11.9	9.7
Number of Common Units, end of period	3,367.5	3,094.4	3,082.5

(1)Common units issued related to our acquisitions of Crestwood and Lotus Midstream in 2023 and of Enable in 2021.

(2)Includes common units issued in connection with the distribution reinvestment program and restricted unit vestings.

Energy Transfer Class A Units

As of December 31, 2023, the Partnership had outstanding 833,486,004 Class A units (“Energy Transfer Class A Units”) representing limited partner interests in the Partnership to the General Partner. The Energy Transfer Class A Units are entitled to vote together with the Partnership’s common units, as a single class, except as required by law. Additionally, Energy Transfer’s Partnership Agreement provides that, under certain circumstances, upon the issuance by the Partnership of additional common units or any securities that have voting rights that are pari passu with the Partnership common units, the Partnership will issue to any holder of Energy Transfer Class A Units additional Energy Transfer Class A Units such that the holder maintains a voting interest in the Partnership that is identical to its voting interest in the Partnership prior to such issuance. The Energy Transfer Class A Units are not entitled to distributions and otherwise have no economic attributes.

Energy Transfer Repurchase Program

In February 2015, the Partnership announced a common unit repurchase program, whereby the Partnership may repurchase up to $2 billion of Energy Transfer Common Units in the open market at the Partnership’s discretion, subject to market conditions and other factors, and in accordance with applicable regulatory requirements. The Partnership did not repurchase any Energy Transfer Common Units under this program in 2023 or 2022. As of December 31, 2023, $880 million remained available to repurchase under the current program.

Energy Transfer Distribution Reinvestment Program

During the year ended December 31, 2023, distributions of $90 million were reinvested under the distribution reinvestment program. As of December 31, 2023, a total of 4.5 million common units remain available to be issued under the existing registration statement in connection with the distribution reinvestment program.

Energy Transfer Preferred Units

As of December 31, 2023, Energy Transfer’s outstanding preferred units included 950,000 Series A Preferred Units, 550,000 Series B Preferred Units, 18,000,000 Series C Preferred Units, 17,800,000 Series D Preferred Units, 32,000,000 Series E Preferred Units, 500,000 Series F Preferred Units, 1,484,780 Series G Preferred Units, 900,000 Series H Preferred Units and 41,464,179 Series I Preferred Units.

The following table summarizes changes in the Energy Transfer Preferred Units:

	Preferred Unitholders
	Series A		Series B		Series C		Series D		Series E		Series F		Series G		Series H		Series I		Total
Balance, December 31, 2020	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Preferred units conversion (1)	943		547		440		434		786		504		1,114		—		—		4,768
Units issued for cash	—		—		—		—		—		—		—		889		—		889
Distributions to partners	(30)		(18)		(25)		(25)		(45)		(34)		(79)		(24)		—		(280)
Units issued in Enable acquisition	—		—		—		—		—		—		392		—		—		392
Other, net	—		—		—		—		—		—		—		(3)		—		(3)
Net income	45		27		25		25		45		26		61		31		—		285
Balance, December 31, 2021	958		556		440		434		786		496		1,488		893		—		6,051
Distributions to partners	(59)		(36)		(33)		(34)		(61)		(34)		(106)		(59)		—		(422)
Net income	59		36		33		34		61		34		106		59		—		422
Balance, December 31, 2022	958		556		440		434		786		496		1,488		893		—		6,051
Distributions to partners	(96)		(36)		(40)		(36)		(61)		(34)		(106)		(59)		—		(468)
Units issued in Crestwood acquisition	—		—		—		—		—		—		—		—		413		413
Net income	86		36		38		37		61		34		106		59		6		463
Balance, December 31, 2023	$	948	$	556	$	438	$	435	$	786	$	496	$	1,488	$	893	$	419	$	6,459

(1)In connection with the Rollup Mergers on April 1, 2021, as discussed in Note 1, all of ETO’s previously outstanding preferred units were converted to Energy Transfer Preferred Units with identical distribution and redemption rights.

Series A Preferred Units

Prior to February 15, 2023, distributions on the Series A Preferred Units accrued at a fixed rate of 6.250% per annum of the liquidation preference of $1,000. Beginning February 15, 2023 to, but excluding, August 15, 2023, the Series A Preferred Units accrued a floating distribution rate set each quarterly distribution period at a percentage of the $1,000 liquidation preference equal to the then-current three-month LIBOR plus a spread of 4.028% per annum. On and after August 15, 2023, the floating distribution rate on the Series A Preferred Units is based on the three-month SOFR, plus a tenor spread adjustment of 0.26161%, plus 4.028% per annum. Distributions on the Series A Preferred Units were previously payable

semiannually in arrears until February 15, 2023, and, after February 15, 2023, quarterly in arrears, when, as, and if declared by our General Partner out of legally available funds for such purpose.

Series B Preferred Units

Distributions on the Series B Preferred Units will accrue and be cumulative from and including the date of original issue to, but excluding, February 15, 2028, at a rate of 6.625% per annum of the stated liquidation preference of $1,000. On and after February 15, 2028, distributions on the Series B Preferred Units will accumulate at a percentage of the $1,000 liquidation preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, in each case determined quarterly by our calculation agent, plus a spread of 4.155% per annum. The Series B Preferred Units are redeemable at Energy Transfer’s option on or after February 15, 2028 at a redemption price of $1,000 per Series B Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption.

Series C Preferred Units

Prior to May 15, 2023, distributions on the Series C Preferred Units accrued at a fixed rate of 7.375% per annum of the liquidation preference of $25. Beginning May 15, 2023 to, but excluding, August 15, 2023, the Series C Preferred Units accrued a floating distribution rate set each quarterly distribution period at a percentage of the $25 liquidation preference equal to the then-current three-month LIBOR plus a spread of 4.530% per annum. On and after August 15, 2023, the floating distribution rate on the Series C Preferred Units based on the three-month SOFR, plus a tenor spread adjustment of 0.26161%, plus 4.530% per annum. The Series C Preferred Units were redeemed in February 2024.

Series D Preferred Units

Prior to August 15, 2023, distributions on the Series D Preferred Units accrued at a fixed rate of 7.625% per annum of the liquidation preference of $25. On and after August 15, 2023, the Series D Preferred Units accrued a floating distribution rate set each quarterly distribution period at a percentage of the $25 liquidation preference equal to the three-month SOFR, plus a tenor spread adjustment of 0.26161%, plus 4.738% per annum. The Series D Preferred Units were redeemed in February 2024.

Series E Preferred Units

Distributions on the Series E Preferred Units will accrue and be cumulative from and including the date of original issue to, but excluding, May 15, 2024, at a rate of 7.600% per annum of the stated liquidation preference of $25. On and after May 15, 2024, distributions on the Series E Preferred Units will accumulate at a percentage of the $25 liquidation preference equal to an annual floating rate of the three-month LIBOR, or a successor rate, in each case determined quarterly by our calculation agent, plus a spread of 5.161% per annum. The Series E Preferred Units are redeemable at Energy Transfer’s option on or after May 15, 2024 at a redemption price of $25 per Series E Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption. The Partnership intends to redeem the Series E Preferred Units in May 2024.

Series F Preferred Units

Distributions on the Series F Preferred Units are cumulative from and including the original issue date and will be payable semi-annually in arrears on the 15th day of May and November of each year, commencing on May 15, 2020 to, but excluding, May 15, 2025, at a rate equal to 6.750% per annum of the $1,000 liquidation preference. On and after May 15, 2025, the distribution rate on the Series F Preferred Units will equal a percentage of the $1,000 liquidation preference equal to the five-year U.S. treasury rate plus a spread of 5.134% per annum. The Series F Preferred Units are redeemable at Energy Transfer’s option on or after May 15, 2025 at a redemption price of $1,000 per Series F Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption.

Series G Preferred Units

Distributions on the Series G Preferred Units are cumulative from and including the original issue date and will be payable semi-annually in arrears on the 15th day of May and November of each year, commencing on May 15, 2020 to, but excluding, May 15, 2030, at a rate equal to 7.125% per annum of the $1,000 liquidation preference. On and after May 15, 2030, the distribution rate on the Series G Preferred Units will equal a percentage of the $1,000 liquidation preference equal to the five-year U.S. treasury rate plus a spread of 5.306% per annum. The Series G Preferred Units are redeemable at Energy Transfer’s option on or after May 15, 2030 at a redemption price of $1,000 per Series G Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption. On December

2, 2021, Energy Transfer issued 384,780 Series G Preferred Units in connection with the Enable acquisition, as discussed in Note 3.

Series H Preferred Units

On June 15, 2021, Energy Transfer issued 900,000 of its 6.500% Series H Preferred Units at a price to the public of $1,000 per unit. Distributions on the Series H Preferred Units will accrue and be cumulative to, but excluding, November 15, 2026, at a rate equal to 6.500% per annum of the $1,000 liquidation preference. On and after November 15, 2026 and each fifth anniversary thereafter, the distribution rate on the Series H Preferred Units will reset to be a percentage of the $1,000 liquidation preference equal to the five-year U.S. treasury rate plus a spread of 5.694% per annum. Distributions on the Series H Preferred Units will be payable semi-annually in arrears on the 15th day of May and November of each year. The Series H Preferred Units are redeemable at Energy Transfer’s option during the three-month period prior to, and including, each distribution reset date at a redemption price of $1,000 per Series H Preferred Unit, plus an amount equal to all accumulated and unpaid distributions thereon to, but excluding, the date of redemption.

Series I Preferred Units

On November 3, 2023, Energy Transfer, in connection with its acquisition of Crestwood, issued 41,464,179 of its Series I Preferred Units in exchange for a commensurate number of Crestwood preferred units. Subject to certain conditions, the holders of the Series I Preferred Units will have the right to convert preferred units into (i) common units on a 10-for-2.07 basis, or (ii) a number of common units determined pursuant to a conversion ratio set forth in the Partnership Agreement upon the occurrence of certain events, such as a change in control. The Series I Preferred Units, on an as converted basis, have voting rights that are identical to the voting rights of the common units and will vote with the common units as a single class, except that the preferred units are entitled to vote as a separate class on any matter on which all unitholders are entitled to vote that adversely affects the rights, powers, privileges or preferences of the preferred units in relation to Energy Transfer’s other securities outstanding

The holders of the Series I Preferred Units are entitled to receive fixed quarterly distributions of $0.2111 per unit. Distributions on the preferred units are paid in cash unless, subject to certain exceptions, (i) there is no distribution being paid on our common units; and (ii) our available cash (as defined in our Partnership Agreement) is insufficient to make a cash distribution to Series I Preferred Unitholders.

Upcoming Changes in Preferred Unit Distribution Rates

Distributions on the Energy Transfer Series B Preferred Units and Series E Preferred Units are scheduled to begin accruing at a floating rate as follows:

	Beginning of floating rate period	Applicable Spread		Tenor spread adjustment		Floating rate
Series B Preferred Units	February 15, 2028	4.155	%	0.26161	%	Three-month SOFR
Series E Preferred Units	May 15, 2024	5.161	%	0.26161	%	Three-month SOFR

As discussed above, the Partnership expects to redeem the Series E Preferred Units at the beginning of the floating rate period on May 15, 2024.

Sale of Common Units by Subsidiaries

Energy Transfer on a stand-alone basis (the “Parent Company”) accounts for the difference between the carrying amount of its investment in subsidiaries and the underlying book value arising from issuance of units by subsidiaries (excluding unit issuances to the Parent Company) as a capital transaction. If a subsidiary issues units at a price less than the Parent Company’s carrying value per unit, the Parent Company assesses whether the investment has been impaired, in which case a provision would be reflected in our statement of operations. The Parent Company did not recognize any impairment related to the issuances of subsidiary common units during the periods presented.

Subsidiary Equity Transactions

USAC’s Distribution Reinvestment Program

During the years ended December 31, 2023, 2022 and 2021, USAC issued 87,808, 124,255 and 118,399 USAC common units, respectively, under the USAC distribution reinvestment program.

USAC’s Warrants

In April 2022, USAC issued 534,308 of its common units in connection with the exercise of outstanding warrants. In October 2023, the remainder of USAC’s outstanding warrants were exercised in full and net settled for 2,360,488 USAC common units. As of December 31, 2023, no warrants are outstanding.

Energy Transfer Common Unit Distributions

Our distribution policy is consistent with the terms of our Partnership Agreement, which requires that we distribute all of our available cash quarterly.

Our distributions declared and paid with respect to our common units were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	February 8, 2021	February 19, 2021	0.1525
March 31, 2021	May 11, 2021	May 19, 2021	0.1525
June 30, 2021	August 6, 2021	August 19, 2021	0.1525
September 30, 2021	November 5, 2021	November 19, 2021	0.1525
December 31, 2021	February 8, 2022	February 18, 2022	0.1750
March 31, 2022	May 9, 2022	May 19, 2022	0.2000
June 30, 2022	August 8, 2022	August 19, 2022	0.2300
September 30, 2022	November 4, 2022	November 21, 2022	0.2650
December 31, 2022	February 7, 2023	February 21, 2023	0.3050
March 31, 2023	May 8, 2023	May 22, 2023	0.3075
June 30, 2023	August 14, 2023	August 21, 2023	0.3100
September 30, 2023	October 30, 2023	November 20, 2023	0.3125
December 31, 2023	February 7, 2024	February 20, 2024	0.3150

Energy Transfer Preferred Unit Distributions

Distributions on Energy Transfer’s preferred units declared and/or paid by Energy Transfer were as follows:

Period Ended	Record Date	Payment Date	Series A (1)	Series B (1)	Series C	Series D	Series E	Series F (1)	Series G (1)	Series H (1)		Series I
March 31, 2021	May 3, 2021	May 17, 2021	$—	$—	$0.4609	$0.4766	$0.4750	$33.7500	$35.63	$—		$—
June 30, 2021	August 2, 2021	August 16, 2021	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
September 30, 2021	November 1, 2021	November 15, 2021	—	—	0.4609	0.4766	0.4750	33.7500	35.63	27.08	*	—
December 31, 2021	February 1, 2022	February 15, 2022	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
March 31, 2022	May 2, 2022	May 16, 2022	—	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
June 30, 2022	August 1, 2022	August 15, 2022	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
September 30, 2022	November 1, 2022	November 15, 2022	—	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
December 31, 2022	February 1, 2023	February 15, 2023	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
March 31, 2023	May 1, 2023	May 15, 2023	21.98	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
June 30, 2023	August 1, 2023	August 15, 2023	23.89	33.125	0.6294	0.4766	0.4750	—	—	—		—
September 30, 2023	November 1, 2023	November 15, 2023	24.67	—	0.6489	0.6622	0.4750	33.7500	35.63	32.50		—
December 31, 2023	February 1, 2024	February 15, 2024	24.71	33.125	0.6075	0.6199	0.4750	—	—	—		0.2111

*    Represents prorated initial distribution.

(1)    Series B, Series F, Series G and Series H distributions are currently paid on a semi-annual basis. Pursuant to their terms, distributions on the Series A preferred units began to be paid quarterly on February 15, 2023, and distributions on the Series B preferred units will begin to be paid quarterly on February 15, 2028.

Sunoco LP Cash Distributions

Energy Transfer owns approximately 28.5 million Sunoco LP common units and all of Sunoco LP’s IDRs. As of December 31, 2023, Sunoco LP had approximately 84.4 million common units outstanding.

The following table illustrates the percentage allocations of available cash from operating surplus between Sunoco LP’s common unitholders and the holder of its IDRs based on the specified target distribution levels, after the payment of distributions to Class C unitholders. The amounts set forth under “marginal percentage interest in distributions” are the percentage interests of the IDR holder and the common unitholders in any available cash from operating surplus which Sunoco LP distributes up to and including the corresponding amount in the column “total quarterly distribution per unit target amount.” The percentage interests shown for common unitholders and IDR holder for the minimum quarterly distribution are also applicable to quarterly distribution amounts that are less than the minimum quarterly distribution.

		Marginal Percentage Interest in Distributions
	Total Quarterly Distribution Target Amount	Common Unitholders	Holder of IDRs
Minimum Quarterly Distribution	$0.4375	100%	—%
First Target Distribution	$0.4375 to $0.503125	100%	—%
Second Target Distribution	$0.503125 to $0.546875	85%	15%
Third Target Distribution	$0.546875 to $0.656250	75%	25%
Thereafter	Above $0.656250	50%	50%

Distributions on Sunoco LP’s units declared and/or paid by Sunoco LP were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	February 8, 2021	February 19, 2021	0.8255
March 31, 2021	May 11, 2021	May 19, 2021	0.8255
June 30, 2021	August 6, 2021	August 19, 2021	0.8255
September 30, 2021	November 5, 2021	November 19, 2021	0.8255
December 31, 2021	February 8, 2022	February 18, 2022	0.8255
March 31, 2022	May 9, 2022	May 19, 2022	0.8255
June 30, 2022	August 8, 2022	August 19, 2022	0.8255
September 30, 2022	November 4, 2022	November 18, 2022	0.8255
December 31, 2022	February 7, 2023	February 21, 2023	0.8255
March 31, 2023	May 8, 2023	May 22, 2023	0.8420
June 30, 2023	August 14, 2023	August 21, 2023	0.8420
September 30, 2023	October 30, 2023	November 20, 2023	0.8420
December 31, 2023	February 7, 2024	February 20, 2024	0.8420

USAC Cash Distributions

Energy Transfer owns approximately 46.1 million USAC common units. As of December 31, 2023, USAC had approximately 101.0 million common units outstanding. USAC currently has a non-economic general partner interest and no outstanding IDRs.

Distributions on USAC’s units declared and/or paid by USAC were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	January 25, 2021	February 5, 2021	0.5250
March 31, 2021	April 26, 2021	May 7, 2021	0.5250
June 30, 2021	July 26, 2021	August 6, 2021	0.5250
September 30, 2021	October 25, 2021	November 5, 2021	0.5250
December 31, 2021	January 24, 2022	February 4, 2022	0.5250
March 31, 2022	April 25, 2022	May 6, 2022	0.5250
June 30, 2022	July 25, 2022	August 5, 2022	0.5250
September 30, 2022	October 24, 2022	November 4, 2022	0.5250
December 31, 2022	January 23, 2023	February 3, 2023	0.5250
March 31, 2023	April 24, 2023	May 5, 2023	0.5250
June 30, 2023	July 24, 2023	August 4, 2023	0.5250
September 30, 2023	October 23, 2023	November 3, 2023	0.5250
December 31, 2023	January 22, 2024	February 2, 2024	0.5250

Accumulated Other Comprehensive Income

The following table presents the components of AOCI, net of tax:

	December 31,
	2023		2022
Available-for-sale securities	$	13	$	9
Foreign currency translation adjustment	(5)		1
Actuarial gain (loss) related to pensions and other postretirement benefits	6		(7)
Investments in unconsolidated affiliates, net	14		13
Total AOCI, net of tax	$	28	$	16

The following table sets forth the tax amounts included in the respective components of other comprehensive income:

	December 31,
	2023		2022
Available-for-sale securities	$	(3)	$	1
Foreign currency translation adjustment	6		6
Actuarial loss relating to pension and other postretirement benefits	—		1
Total	$	3	$	8

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Equity Incentive Plans

12 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement, Recognized Amount [Abstract]

Unit-Based Compensation Plans

EQUITY INCENTIVE PLANS:

We, Sunoco LP and USAC, have issued equity incentive plans for employees, officers and directors, which provide for various types of awards, including options to purchase Common Units, restricted units, phantom units, distribution equivalent rights (“DERs”), common unit appreciation rights, cash restricted units and other equity-based compensation awards. As of December 31, 2023, an aggregate total of 42.9 million Energy Transfer Common Units remain available to be awarded under our equity incentive plans.

Energy Transfer Long-Term Incentive Plan

We have granted restricted unit awards to employees that vest over a specified time period, typically a five-year service vesting requirement, with vesting based on continued employment as of each applicable vesting date. Upon vesting, Energy Transfer Common Units are issued. These unit awards entitle the recipients of the unit awards to receive, with respect to each Common Unit subject to such award that has not either vested or been forfeited, a cash payment equal to each cash distribution per Common Unit made by us on our Common Units promptly following each such distribution by us to our Unitholders. We refer to these rights as “distribution equivalent rights.” Under our equity incentive plans, our non-employee directors each receive grants with a five-year service vesting requirement.

The following table shows the activity of the awards granted to employees and non-employee directors:

	Number of Units	Weighted Average Grant-Date Fair Value Per Unit
Unvested awards as of December 31, 2022	37.7	$	9.62
Awards granted	10.7	13.78
Awards vested	(7.7)	9.22
Awards forfeited	(1.6)	9.52
Unvested awards as of December 31, 2023	39.1	$	10.84

During the years ended December 31, 2023, 2022, and 2021, the weighted average grant-date fair value per unit award granted was $13.78, $11.56 and $8.46, respectively, and the total fair value of awards vested was $106 million, $103 million and $52 million, respectively, based on the market price of the respective Common Units as of the vesting date. As of December 31, 2023, a total of 39.1 million unit awards remain unvested, for which Energy Transfer expects to recognize a total of $279 million in compensation expense over a weighted average period of 3.0 years.

Cash Restricted Units. The Partnership has also granted cash restricted units, which vest through three years of service. A cash restricted unit entitles the award recipient to receive cash equal to the market value of one Energy Transfer Common Unit upon vesting. For the years ended December 31, 2023, 2022 and 2021, the Partnership granted a total of 3.2 million, 3.8 million and 3.9 million cash restricted units, respectively. As of December 31, 2023, a total of 6.9 million cash restricted units were unvested. As of December 31, 2023, the Partnership’s consolidated balance sheet reflected aggregate liabilities of $3.0 million related to cash restricted units.

Subsidiary Long-Term Incentive Plans

Each of Sunoco LP and USAC has granted restricted or phantom unit awards (collectively, the “Subsidiary Unit Awards”) to employees and directors that entitle the grantees to receive common units of the respective subsidiary. In some cases, at the discretion of the respective subsidiary’s compensation committee, the grantee may instead receive an amount of cash equivalent to the value of common units upon vesting. Substantially all of the Subsidiary Unit Awards are time-vested grants, which generally vest over a three or five-year period, that entitles the grantees of the unit awards to receive an amount of cash equal to the per unit cash distributions made by the respective subsidiaries during the period the restricted unit is outstanding.

The following table summarizes the activity of the Subsidiary Unit Awards:

	Sunoco LP			USAC
	Number of Units	Weighted  Average Grant-Date Fair Value Per Unit		Number of Units	Weighted  Average Grant-Date Fair Value Per Unit
Unvested awards as of December 31, 2022	1.8	$	34.29	2.1	$	14.21
Awards granted	0.4	53.37		0.5	23.13
Awards vested	(0.6)	28.35		(0.6)	13.29
Awards forfeited	—	34.64		(0.1)	17.50
Unvested awards as of December 31, 2023	1.6	$	41.08	1.9	$	17.08

The following table summarizes the weighted average grant-date fair value per unit award granted:

	Years Ended December 31,
	2023		2022		2021
Sunoco LP	$	53.37	$	43.54	$	37.72
USAC	23.13		18.31		14.92

The total fair value of Subsidiary Unit Awards vested for the years ended December 31, 2023, 2022 and 2021 was $37 million, $26 million and $24 million, respectively, based on the market price of Sunoco LP and USAC common units as of the vesting date. As of December 31, 2023, estimated compensation cost related to Subsidiary Unit Awards not yet

recognized was $55 million, and the weighted average period over which this cost is expected to be recognized in expense is 3.5 years.

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Income Taxes Income Taxes (Notes)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Income Tax Disclosure [Text Block]

INCOME TAXES:

As a partnership, we are not subject to United States federal income tax and most state income taxes. However, the Partnership conducts certain activities through corporate subsidiaries which are subject to federal and state income taxes. The components of the federal and state income tax expense (benefit) of our taxable subsidiaries are summarized as follows:

	Years Ended December 31,
	2023		2022		2021
Current expense:
Federal	$	56	$	—	$	19
State	44		17		24
Total	100		17		43
Deferred expense (benefit):
Federal	227		239		246
State	(24)		(58)		(106)
Foreign	—		6		1
Total	203		187		141
Total income tax expense	$	303	$	204	$	184

Historically, our effective tax rate has differed from the statutory rate primarily due to partnership earnings that are not subject to United States federal and most state income taxes at the partnership level. A reconciliation of income tax expense at the United States statutory rate to the Partnership’s income tax benefit for the years ended December 31, 2023, 2022 and 2021 is as follows:

	Years Ended December 31,
	2023		2022		2021
Income tax expense at United States statutory rate	$	1,175	$	1,275	$	1,443
Increase (reduction) in income taxes resulting from:
Partnership earnings not subject to tax	(884)		(1,086)		(1,211)
Noncontrolling interests	—		26		—
State tax, net of federal tax benefit	47		19		85
Statutory rate change	(10)		(42)		(46)
Valuation allowance	(3)		(4)		(63)
Uncertain tax positions	(14)		(3)		(34)
Dividend received deduction	(3)		(3)		(4)
Foreign taxes	—		6		1
Other	(5)		16		13
Income tax expense	$	303	$	204	$	184

Deferred taxes result from the temporary differences between financial reporting carrying amounts and the tax basis of existing assets and liabilities. The following table summarizes the principal components of the deferred tax assets (liabilities) as follows:

	December 31,
	2023		2022
Deferred income tax assets:
Net operating losses and other carryforwards	$	371	$	603
Other	46		60
Total deferred income tax assets	417		663
Valuation allowance	—		(19)
Net deferred income tax assets	417		644
Deferred income tax liabilities:
Property, plant and equipment	(232)		(218)
Investments in affiliates	(4,003)		(4,010)
Trademarks	(91)		(89)
Other	(22)		(28)
Total deferred income tax liabilities	(4,348)		(4,345)
Net deferred income taxes	$	(3,931)	$	(3,701)

As of December 31, 2023, ETP Holdco had a federal net operating loss carryforward of $1.4 billion, that can be carried forward indefinitely. A total of $341 million of the federal net operating loss carryforward is limited under IRC §382. Although we expect to fully utilize the IRC §382 limited federal net operating loss, the amount utilized in a particular year may be limited. As of December 31, 2023, Sunoco Retail LLC, a corporate subsidiary of Sunoco LP, had a state net operating loss carryforward of $75 million, which we expect to fully utilize. Sunoco Retail LLC has no federal net operating loss carryforward.

Our corporate subsidiaries have state net operating loss carryforward benefits of $75 million, net of federal tax, some of which expire between 2024 and 2042, while others are carried forward indefinitely. Our corporate subsidiaries have cumulative excess business interest expense of $136 million available for carryforward indefinitely, of which $23 million is limited under IRC §382.

The following table sets forth the changes in unrecognized tax benefits:

	Years Ended December 31,
	2023		2022		2021
Balance at beginning of year	$	52	$	56	$	90
Reduction attributable to tax positions taken in prior years	(9)		(4)		(34)
Settlements	(3)		—		—
Balance at end of year	$	40	$	52	$	56

As of December 31, 2023, we had $40 million ($38 million after federal income tax benefits) related to tax positions which, if recognized, would impact our effective tax rate.

Our policy is to accrue interest expense and penalties on income tax underpayments (overpayments) as a component of income tax expense. During 2023, we recognized an interest and penalty benefit of $7 million. At December 31, 2023, we have interest and penalties accrued of $11 million, net of tax.

In November 2015, the Pennsylvania Commonwealth Court determined in Nextel Communications v. Commonwealth (“Nextel”) that the Pennsylvania limitation on NOL carryforward deductions violated the uniformity clause of the Pennsylvania Constitution and struck the NOL limitation in its entirety. In October 2017, the Pennsylvania Supreme Court affirmed the decision with respect to the uniformity clause violation; however, the Court reversed with respect to the remedy and instead severed the flat-dollar limitation, leaving the percentage-based limitation intact. Nextel subsequently filed a petition for writ of certiorari with the United States Supreme Court, and this was denied on June 11, 2018. Certain Pennsylvania taxpayers have subsequently undertaken litigation in Pennsylvania state courts on issues not addressed by the

Pennsylvania Supreme Court in Nextel, specifically, whether the Due Process and Equal Protection Clauses of the United States Constitution and the Remedies Clause of the Pennsylvania Constitution require a court to grant the taxpayer relief. On December 22, 2021, the Pennsylvania Supreme Court found in General Motors Corporation v. Commonwealth (“GM”) that the taxpayer was entitled to meaningful backwards looking relief under the Due Process Clause, meaning the Commonwealth must equalize the taxpayer’s position with taxpayers who were not affected by the NOL cap in place for the year at issue. The Court therefore held the taxpayer was entitled to a refund by calculating its tax for that year with an uncapped NOL deduction. We believe the Pennsylvania Supreme Court’s ruling in GM will more likely than not be upheld if challenged by the Commonwealth. ETC Sunoco previously recognized approximately $67 million ($53 million after federal income tax benefits) in tax benefit based on previously filed tax returns and certain previously filed protective claims as relates to its cases currently held pending the Nextel matter. In addition, based upon the Pennsylvania Supreme Court’s October 2017 decision, and because of uncertainty in the breadth of the application of the decision, ETC Sunoco previously reserved $34 million ($27 million after federal income tax benefits) against the receivable. Subsequent to the Pennsylvania Supreme Court’s decision in GM, the reserve has been reversed and the entire tax benefit of $34 million ($27 million after federal income tax benefit) has been recognized by the Partnership.

The Partnership’s 2020 U.S. Federal income tax return is currently under examination by the Internal Revenue Service. The IRS is auditing Crestwood’s 2020 U.S. Federal income tax return. In general, Energy Transfer and its subsidiaries are no longer subject to examination by the IRS, and most state jurisdictions, for the 2018 and prior tax years.

USAC is currently under examination by the IRS for years 2019 and 2020. Energy Transfer and its other subsidiaries also have various state and local income tax returns in the process of examination or administrative appeal in various jurisdictions. We believe the appropriate accruals or unrecognized tax benefits have been recorded for any potential assessment with respect to these examinations.

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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities

12 Months Ended

Dec. 31, 2023

Regulatory Matters, Commitments, Contingencies And Environmental Liabilities [Abstract]

Commitments Contingencies and Guarantees

REGULATORY MATTERS, COMMITMENTS, CONTINGENCIES AND ENVIRONMENTAL LIABILITIES:

FERC Proceedings

Rover – FERC - Stoneman House

In late 2016, FERC Enforcement Staff began a non-public investigation related to Rover’s purchase and removal of a potentially historic home (known as the Stoneman House) while Rover’s application for permission to construct the new 711-mile interstate natural gas pipeline and related facilities was pending. On March 18, 2021, FERC issued an Order to Show Cause and Notice of Proposed Penalty (Docket No. IN19-4-000), ordering Rover to explain why it should not pay a $20 million civil penalty for alleged violations of FERC regulations requiring certificate holders to be forthright in their submissions of information to the FERC. Rover filed its answer and denial to the order on June 21, 2021 and a surreply on September 15, 2021. FERC issued an order on January 20, 2022 setting the matter for hearing before an administrative law judge. The hearing was set to commence on March 6, 2023; as explained below, this FERC proceeding has been stayed.

On February 1, 2022, Energy Transfer and Rover filed a Complaint for Declaratory Relief in the United States District Court for the Northern District of Texas (“Federal District Court”) seeking an order declaring that FERC must bring its enforcement action in federal district court (instead of before an administrative law judge). Also on February 1, 2022, Energy Transfer and Rover filed an expedited request to stay the proceedings before the FERC administrative law judge pending the outcome of the Federal District Court case. On May 24, 2022, the Federal District Court ordered a stay of the FERC’s enforcement case and the District Court case pending the resolution of two cases pending before the United States Supreme Court. Arguments were heard in those cases on November 7, 2022. On April 14, 2023, the United States Supreme Court held against the government in both cases, finding that the federal district courts had jurisdiction to hear those suits and to resolve the parties’ constitutional challenges. The cases were remanded to the federal district courts for further proceedings.

On September 13, 2023 the District Court ordered that the District Court case would be stayed pending the resolution of another case pending before the United States Supreme Court and that the FERC enforcement case would remain stayed. Energy Transfer and Rover intend to vigorously defend this claim. On November 13, 2023, the FERC appealed the District Court order to the United States Court of Appeals for the Fifth Circuit. On December 11, 2023, FERC filed a motion to withdraw that appeal, which the Fifth Circuit granted on December 12, 2023. The FERC and District Court proceedings remain stayed pending resolution of the case pending before the United States Supreme Court. A decision on that Supreme Court case is expected by June 2024.

Rover – FERC - Tuscarawas

In mid-2017, FERC Enforcement Staff began a non-public investigation regarding allegations that diesel fuel may have been included in the drilling mud at the Tuscarawas River horizontal directional drilling (“HDD”) operations. Rover and the Partnership are cooperating with the investigation. In 2019, Enforcement Staff provided Rover with a notice pursuant to Section 1b.19 of the FERC regulations that Enforcement Staff intended to recommend that the FERC pursue an enforcement action against Rover and the Partnership. On December 16, 2021, FERC issued an Order to Show Cause and Notice of Proposed Penalty (Docket No. IN17-4-000), ordering Rover and Energy Transfer to show cause why they should not be found to have violated Section 7(e) of the NGA, Section 157.20 of FERC’s regulations, and the Rover Pipeline Certificate Order, and assessed civil penalties of $40 million.

Rover and Energy Transfer filed their answer to this order on March 21, 2022, and Enforcement Staff filed a reply on April 20, 2022. Rover and Energy Transfer filed their surreply to this order on May 13, 2022. FERC has taken no further action on the case since that time. The primary contractor (and one of the subcontractors) responsible for the HDD operations of the Tuscarawas River site have agreed to indemnify Rover and the Partnership for any and all losses, including any fines and penalties from government agencies, resulting from their actions in conducting such HDD operations. Given the stage of the proceedings, the Partnership is unable at this time to provide an assessment of the potential outcome or range of potential liability, if any; however, the Partnership believes the indemnity described above will be applicable to the penalty proposed by Enforcement Staff and intends to vigorously defend itself against the subject claims.

Other FERC Proceedings

By an order issued on January 16, 2019, the FERC initiated a review of Panhandle’s then existing rates pursuant to Section 5 of the NGA to determine whether the rates charged by Panhandle are just and reasonable and set the matter for hearing. On August 30, 2019, Panhandle filed a general rate proceeding under Section 4 of the NGA. The NGA Section 5 and Section 4 proceedings were consolidated by order of the Chief Judge on October 1, 2019. The initial decision by the administrative law judge was issued on March 26, 2021, and on December 16, 2022, the FERC issued its order on the initial decision. On January 17, 2023, Panhandle and the Michigan Public Service Commission each filed a request for rehearing of FERC’s order on the initial decision, which were denied by operation of law as of February 17, 2023. On March 23, 2023, Panhandle appealed these orders to the United States Court of Appeals for the District of Columbia Circuit (“Court of Appeals”), and the Michigan Public Service Commission also subsequently appealed these orders. On April 25, 2023, the Court of Appeals consolidated Panhandle’s and Michigan Public Service Commission’s appeals and stayed the consolidated appeal proceeding while the FERC further considered the requests for rehearing of its December 16, 2022 order. On September 25, 2023, the FERC issued its order addressing arguments raised on rehearing and compliance, which denied our requests for rehearing. Panhandle has timely filed its Petition for Review with the Court of Appeals regarding the September 25, 2023 order. On October 25, 2023, Panhandle filed a limited request for rehearing of the September 25 order addressing arguments raised on rehearing and compliance, which was subsequently denied by operation of law on November 27, 2023. On November 30, 2023, Panhandle submitted a refund report regarding the consolidated rate proceedings, which has been protested by several parties. On January 5, 2024, the FERC issued a second order addressing arguments raised on rehearing in which it modified certain discussion from its September 25, 2023 order and sustained its prior conclusions. Panhandle has timely filed its Petition for Review with the Court of Appeals regarding the January 5, 2024 order.

On December 1, 2022, Sea Robin filed a rate case pursuant to Section 4 of the NGA. By order dated June 29, 2023, a revised procedural schedule was adopted in this proceeding setting the commencement of the hearing for January 9, 2024, with an initial decision anticipated by May 21, 2024. Subsequently, by Order of the Acting Chief Administrative Law Judge, deadlines in the procedural schedule were extended, including revised hearing commencement and initial decisions deadlines to March 26, 2024 and August 8, 2024, respectively. On November 29, 2023, the parties reached a settlement in principle and the settlement was filed with the FERC on December 29, 2023.

In May 2021, the FERC commenced an audit of SPLP for the period from January 1, 2018 to present to evaluate SPLP’s compliance with its FERC oil tariffs, the accounting requirements of the Uniform System of Accounts as prescribed by the FERC, and the FERC’s Form No. 6 reporting requirements. An audit report was received in September 2023 noting no issues that would have a material impact on the Partnership's financial position or results of operations.

Commitments

In the normal course of business, Energy Transfer purchases, processes and sells natural gas pursuant to long-term contracts and enters into long-term transportation and storage agreements. Such contracts contain terms that are customary in the industry. Energy Transfer believes that the terms of these agreements are commercially reasonable and will not have a material adverse effect on the Partnership’s financial position or results of operations.

Our joint venture agreements require that we fund our proportionate share of capital contributions to our unconsolidated affiliates. Such contributions will depend upon the unconsolidated affiliates’ capital requirements, such as for funding capital projects or repayment of long-term obligations.

We have certain non-cancelable rights-of-way (“ROW”) commitments which require fixed payments and either expire upon our chosen abandonment or at various dates in the future. The following table reflects ROW expense included in operating expenses in the accompanying consolidated statements of operations:

	Years Ended December 31,
	2023		2022		2021
ROW expense	$	68	$	64	$	48

Litigation and Contingencies

We may, from time to time, be involved in litigation and claims arising out of our operations in the normal course of business. Due to the flammable and combustible nature of natural gas and crude oil, the potential exists for personal injury and/or property damage to occur in connection with their transportation, storage or use. In the ordinary course of business, we are sometimes threatened with or named as a defendant in various lawsuits seeking actual and punitive damages for product liability, personal injury and property damage. We maintain liability insurance with insurers in amounts and with coverage and deductibles management believes are reasonable and prudent, and which are generally accepted in the industry. However, there can be no assurance that the levels of insurance protection currently in effect will continue to be available at reasonable prices or that such levels will remain adequate to protect us from material expenses related to product liability, personal injury or property damage in the future.

We or our subsidiaries are parties to various legal proceedings, arbitrations and/or regulatory proceedings incidental to our businesses. For each of these matters, we evaluate the merits of the case, our exposure to the matter, possible legal or settlement strategies, the likelihood of an unfavorable outcome and the availability of insurance coverage. If we determine that an unfavorable outcome of a particular matter is probable and can be estimated, we accrue the contingent obligation, as well as any expected insurance recoverable amounts related to the contingency. As new information becomes available, our estimates may change. The impact of these changes may have a significant effect on our results of operations in a single period.

As of December 31, 2023 and 2022, accruals of approximately $285 million and $200 million, respectively, were reflected on our consolidated balance sheets related to contingent obligations that met both the probable and reasonably estimable criteria. In addition, we may recognize additional contingent losses in the future related to (i) contingent matters for which a loss is currently considered reasonably possible but not probable and/or (ii) losses in excess of amounts that have already been accrued for such contingent matters. In some of these cases, we are not able to estimate possible losses or a range of possible losses in excess of amounts accrued. For such matters where additional contingent losses can be reasonably estimated, the range of additional losses is estimated to be up to approximately $200 million.

The outcome of these matters cannot be predicted with certainty and there can be no assurance that the outcome of a particular matter will not result in the payment of amounts that have not been accrued for the matter. Furthermore, we may revise accrual amounts or our estimates of reasonably possible losses prior to resolution of a particular contingency based on changes in facts and circumstances or changes in the expected outcome.

The following sections include descriptions of certain matters that could impact the Partnership’s financial position, results of operations and/or cash flows in future periods. The following sections also include updates to certain matters that have previously been disclosed, even if those matters are not anticipated to have a potentially significant impact on future periods. In addition to the matters disclosed in the following sections, the Partnership is also involved in multiple other matters that could impact future periods, including other lawsuits and arbitration related to the Partnership’s commercial agreements. With respect to such matters, contingencies that met both the probable and reasonably estimable criteria have been included in the accruals disclosed above, and the range of additional losses disclosed above also reflects any relevant amounts for such matters.

Dakota Access Pipeline

On July 27, 2016, the Standing Rock Sioux Tribe (“SRST”) filed a lawsuit in the United States District Court for the District of Columbia (“District Court”) challenging permits issued by the United States Army Corps of Engineers (“USACE”) that allowed Dakota Access to cross the Missouri River at Lake Oahe in North Dakota. The case was subsequently amended to challenge an easement issued by the USACE that allowed the pipeline to cross land owned by the

USACE adjacent to the Missouri River. Dakota Access and the Cheyenne River Sioux Tribe (“CRST”) intervened. Separate lawsuits filed by the Oglala Sioux Tribe (“OST”) and the Yankton Sioux Tribe (“YST”) were consolidated with this action and several individual tribal members intervened (collectively, with SRST and CRST, the “Tribes”). On March 25, 2020, the District Court remanded the case back to the USACE for preparation of an Environment Impact Statement (“EIS”). On July 6, 2020, the District Court vacated the easement and ordered the Dakota Access Pipeline to be shut down and emptied of oil by August 5, 2020. Dakota Access and the USACE appealed to the Court of Appeals which granted an administrative stay of the District Court’s July 6 order and ordered further briefing on whether to fully stay the July 6 order. On August 5, 2020, the Court of Appeals (1) granted a stay of the portion of the District Court order that required Dakota Access to shut the pipeline down and empty it of oil, (2) denied a motion to stay the March 25 order pending a decision on the merits by the Court of Appeals as to whether the USACE would be required to prepare an EIS and (3) denied a motion to stay the District Court’s order to vacate the easement during this appeal process. The August 5 order also states that the Court of Appeals expected the USACE to clarify its position with respect to whether USACE intended to allow the continued operation of the pipeline notwithstanding the vacatur of the easement and that the District Court may consider additional relief, if necessary.

On August 10, 2020, the District Court ordered the USACE to submit a status report by August 31, 2020, clarifying its position with regard to its decision-making process with respect to the continued operation of the pipeline. On August 31, 2020, the USACE submitted a status report that indicated that it considered the presence of the pipeline at the Lake Oahe crossing without an easement to constitute an encroachment on federal land, and that it was still considering whether to exercise its enforcement discretion regarding this encroachment. The Tribes subsequently filed a motion seeking an injunction to stop the operation of the pipeline and both USACE and Dakota Access filed briefs in opposition of the motion for injunction. The motion for injunction was fully briefed as of January 8, 2021.

On January 26, 2021, the Court of Appeals affirmed the District Court’s March 25, 2020 order requiring an EIS and its July 6, 2020 order vacating the easement. In this same January 26 order, the Court of Appeals also overturned the District Court’s July 6, 2020 order that the pipeline shut down and be emptied of oil. Dakota Access filed for rehearing en banc on April 12, 2021, which the Court of Appeals denied. On September 20, 2021, Dakota Access filed a petition with the U.S. Supreme Court to hear the case. Oppositions were filed by the Solicitor General (December 17, 2021) and the Tribes (December 16, 2021). Dakota Access filed their reply on January 4, 2022. On February 22, 2022, the U.S. Supreme Court declined to hear the case.

The District Court scheduled a status conference for February 10, 2021 to discuss the effects of the Court of Appeals’ January 26, 2021 order on the pending motion for injunctive relief, as well as USACE’s expectations as to how it will proceed regarding its enforcement discretion regarding the easement. On May 3, 2021, USACE advised the District Court that it had not changed its position with respect to its opposition to the Tribes’ motion for injunction. On May 21, 2021, the District Court denied the plaintiffs’ request for an injunction. On June 22, 2021, the District Court terminated the consolidated lawsuits and dismissed all remaining outstanding counts without prejudice.

On September 8, 2023, the USACE published the Draft EIS. Comments to the Draft EIS were due on December 13, 2023. The USACE anticipates that a Final EIS and Record of Decision would be issued in 2024. The pipeline continues to operate pending completion of the EIS. Energy Transfer cannot determine when or how future lawsuits will be resolved or the impact they may have on the Bakken Pipeline, which consists of both Dakota Access and the Energy Transfer Crude Oil Pipeline; however, Energy Transfer expects that after the law and complete record are fully considered, any such proceeding will be resolved in a manner that will allow the pipeline to continue to operate.

In addition, lawsuits and/or regulatory proceedings or actions of this or a similar nature could result in interruptions to construction or operations of current or future projects, delays in completing those projects and/or increased project costs, all of which could have an adverse effect on our business and results of operations.

Louisiana Dispute with New Generation Gas Gathering LLC

On August 31, 2023, Energy Partners, LP and ETC Texas Pipeline, LTD—corrected the next day to be ETC Texas Pipeline, Ltd, Gulf Run Transmission LLC, Enable Midstream Partners LP and ETC Tiger Pipeline LLC (collectively “Energy Transfer”), filed a petition for declaratory judgment against New Generation Gas Gathering LLC (“NG3”) in the 42nd Judicial District Court of DeSoto Parish, Louisiana. In relation to seven specific servitudes in DeSoto Parish, Louisiana underlying Energy Transfer natural gas pipelines, Energy Transfer requested declarations from the Court that pursuant to Louisiana Civil Code Article 720, NG3 must obtain Energy Transfer’s permission to install NG3’s proposed pipelines across the Energy Transfer servitudes so that Energy Transfer may determine if NG3’s proposed installation of its proposed pipelines would interfere with Energy Transfer’s use of its existing servitudes.

On November 13, 2023, NG3 filed its answer and reconventional demand, a Louisiana term for counterclaim, asserting six causes of action against of all the entities asserting the claim as well as Energy Transfer LP. In Count I, NG3 seeks declaratory judgment that Energy Transfer lacks the right to object to its proposed crossings of Energy Transfer’s natural gas pipelines that adversely affect Energy Transfer. In Counts II–VI, NG3 asserts five causes of action alleging that Energy Transfer’s objection and lawsuit seeking court determination that it has the right to object to NG3’s request to cross Energy Transfer’s pipelines more than one hundred times constitutes tortious conduct, an abuse of Energy Transfer’s rights, an unfair trade practice, and a violation of Louisiana Monopolies Act sections prohibiting conspiracies and monopolies/attempted monopolies.

On December 7, 2023, the trial court set the deadline for Energy Transfer to respond to NG3’s reconventional demand as February 9, 2024, set a hearing on any exceptions for March 25, 2024, and tentatively set a trial date for September 9, 2024. The parties have begun written discovery. The Court’s schedule is subject to dispute among the parties and has not yet been resolved by the Court.

On February 7, 2024, the Attorney General for the State of Louisiana, Public Protection Division (the “AG”) gave notice of a complaint filed by NG3. NG3 asserts that Energy Transfer violated Louisiana Revised Statutes 51:1401, et seq., the Unfair Trade Practices and Consumer Protection Law. The AG has not investigated this matter and it makes no determination as to the merits of same.

Energy Transfer cannot predict the ultimate outcome of this litigation but intends to vigorously defend themselves.

Mont Belvieu Incident

On June 26, 2016, a hydrocarbon storage well located on another operator’s facility adjacent to Lone Star NGL Mont Belvieu LP’s (“Lone Star,” now known as Energy Transfer Mont Belvieu NGLs LP) facilities in Mont Belvieu, Texas experienced an over-pressurization resulting in a subsurface release. The subsurface release caused a fire at Lone Star’s South Terminal and damage to Lone Star’s storage well operations at its South and North Terminals. Normal operations resumed at the facilities in the fall of 2016, with the exception of one of Lone Star’s storage wells at the North Terminal that has not been returned to service. Lone Star has obtained payment for most of the losses it has submitted to the adjacent operator. Lone Star continues to quantify and seek reimbursement for outstanding losses.

MTBE Litigation

ETC Sunoco and Energy Transfer R&M (collectively, “Sunoco Defendants”) are defendants in lawsuits alleging MTBE contamination of groundwater. The plaintiffs, state-level governmental entities, assert product liability, nuisance, trespass, negligence, violation of environmental laws and/or deceptive business practices claims. The plaintiffs seek to recover compensatory damages, and in some cases also seek natural resource damages, injunctive relief, punitive damages and attorneys’ fees.

As of December 31, 2023, Sunoco Defendants are defendants in two cases: one case initiated by the State of Maryland and one by the Commonwealth of Pennsylvania. The actions brought also named as defendants ETO, ETP Holdco Corporation and Sunoco Partners Marketing & Terminals L.P., now known as Energy Transfer Marketing & Terminals L.P. ETP Holdco Corporation and Energy Transfer Marketing & Terminals L.P. are wholly owned subsidiaries of Energy Transfer.

It is reasonably possible that a loss may be realized in the remaining cases; however, we are unable to estimate the possible loss or range of loss in excess of amounts accrued. An adverse determination with respect to one or more of the MTBE cases could have a significant impact on results of operations during the period in which any such adverse determination occurs, but such an adverse determination likely would not have a material adverse effect on the Partnership’s consolidated financial position.

Litigation Filed By or Against Williams

In April and May 2016, The Williams Companies, Inc. (“Williams”) filed two lawsuits (the “Williams Litigation”) against Energy Transfer, LE GP, LLC, and, in one of the lawsuits, Energy Transfer Corp LP, ETE Corp GP, LLC, and Energy Transfer Equity GP, LLC (collectively, “Energy Transfer Defendants”) in the Delaware Court of Chancery (“the Court”), alleging that the Energy Transfer Defendants breached their obligations under the Energy Transfer-Williams merger agreement (the “Merger Agreement”). In general, Williams alleges that the Energy Transfer Defendants breached the Merger Agreement by (a) failing to use commercially reasonable efforts to obtain from Latham & Watkins LLP (“Latham”) the delivery of a tax opinion concerning Section 721 of the Internal Revenue Code (“721 Opinion”), (b) issuing the Partnership’s Series A convertible preferred units (the “Issuance”) and (c) making allegedly untrue representations and

warranties in the Merger Agreement. Williams asked the Court to compel the Energy Transfer Defendants to close the merger or take various other affirmative actions.

After a two-day trial on June 20 and 21, 2016, the Court ruled in favor of the Energy Transfer Defendants and issued a declaratory judgment that Energy Transfer could terminate the merger after June 28, 2016 because of Latham’s inability to provide the required 721 Opinion. The Court did not reach a decision regarding Williams’ claims related to the Issuance or certain of the alleged untrue representations and warranties. On March 23, 2017, the Delaware Supreme Court affirmed this ruling on the June 2016 trial. In September 2016, the parties filed amended pleadings. Williams filed an amended complaint seeking a $410 million termination fee (the “Termination Fee”) based on the alleged breaches of the Merger Agreement listed above. The Energy Transfer Defendants filed amended counterclaims and affirmative defenses, asserting that Williams materially breached the Merger Agreement by, among other things, (a) modifying and qualifying its board recommendation in a manner adverse to the merger, (b) failing to use its reasonable best efforts to consummate the merger, (c) failing to provide material information to Energy Transfer for inclusion in the Form S-4 related to the merger, (d) failing to facilitate the financing of the merger and (e) breaching the Merger Agreement’s forum-selection clause. The Energy Transfer Defendants sought a $1.48 billion termination fee under the Merger Agreement and additional damages caused by Williams’ misconduct.

On September 29, 2016, Williams filed a motion to dismiss the Energy Transfer Defendants’ amended counterclaims and to strike certain of the Energy Transfer Defendants’ affirmative defenses. On December 1, 2017, the Court issued a Memorandum Opinion granting in part and denying in part Williams’ motion to dismiss. The Court dismissed, among other things, the Energy Transfer Defendants’ claim for a $1.48 billion termination fee.

Trial was held on all remaining claims on May 10-17, 2021, and on December 29, 2021, the Court ruled in favor of Williams and awarded it the Termination Fee plus certain fees and expenses, holding that the Issuance breached the Merger Agreement and that Williams had not materially breached the Merger Agreement, though the Court awarded sanctions against Williams due to its CEO’s intentional spoliation of evidence. The Court subsequently awarded Williams approximately $190 million in attorneys’ fees, expenses and pre-judgment interest.

On September 21, 2022, the Court entered a final judgment against the Energy Transfer Defendants in the amount of approximately $601 million plus post-judgment interest at a rate of 3.5% per year, compounded quarterly. The Energy Transfer Defendants filed a notice of appeal on October 21, 2022 and filed their opening brief in support of their appeal on December 30, 2022. Williams filed their answering brief on January 20, 2023, and the Energy Transfer Defendants filed their reply brief on February 6, 2023. The Delaware Supreme Court heard oral argument on July 12, 2023.

On October 10, 2023, the Delaware Supreme Court affirmed. On October 25, 2023, Energy Transfer Defendants filed a motion for reargument. On November 17, 2023, the Delaware Supreme Court denied the motion.

The mandate issued upon the disposition of that motion; at which time the previously-stayed judgment became effective, plus additional post-judgment interest.

The Energy Transfer Defendants paid the judgment (in the amount of approximately $627 million) on November 28, 2023, concluding this matter.

Rover - State of Ohio

On November 3, 2017, the State of Ohio and the Ohio Environmental Protection Agency (“Ohio EPA”) filed suit against Rover and other defendants (collectively, the “Defendants”) seeking to recover approximately $2.6 million in civil penalties allegedly owed and certain injunctive relief related to permit compliance. The Defendants filed several motions to dismiss, which were granted on all counts. The Ohio EPA appealed, and on December 9, 2019, the Fifth District Court of Appeals entered a unanimous judgment affirming the trial court. The Ohio EPA sought review from the Ohio Supreme Court. On April 22, 2020, the Ohio Supreme Court granted the review. On March 17, 2022, the Ohio Supreme Court reversed in part and remanded to the Ohio trial court. The Ohio Supreme Court agreed with Rover that the State of Ohio had waived its rights under Section 401 of the Clean Water Act but remanded to the trial court to determine whether any of the allegations fell outside the scope of the waiver.

On remand, the Ohio EPA voluntarily dismissed four of the other five defendants and dismissed one of its counts against Rover. In its Fourth Amended Complaint, the Ohio EPA removed all paragraphs that alleged violations by the four dismissed defendants, including those where the dismissed defendants were alleged to have acted jointly with Rover or others. At a June 2, 2022, status conference, the trial judge set a schedule for Rover and the other remaining defendant to file motions to dismiss the Fourth Amended Complaint. On August 1, 2022, Rover and the other remaining defendant each

filed their respective motions. Briefing on those motions was completed on November 4, 2022. By order issued on October 20, 2023, the trial judge dismissed the Ohio EPA’s Fourth Amended Complaint.

On November 17, 2023, the State of Ohio appealed the trial judge’s decision to Ohio’s Fifth District Court of Appeals. The State filed its initial brief on January 8, 2024 and Energy Transfer’s and Rover’s responsive brief is currently due February 20, 2024. Energy Transfer and Rover intend to vigorously defend this claim.

Unitholder Litigation Regarding Pipeline Construction

Various purported unitholders of Energy Transfer have filed derivative actions against various past and current members of Energy Transfer’s Board of Directors, LE GP, LLC, and Energy Transfer, as a nominal defendant that assert claims for breach of fiduciary duties, unjust enrichment, waste of corporate assets, breach of Energy Transfer’s Partnership Agreement, tortious interference, abuse of control and gross mismanagement related primarily to matters involving the construction of pipelines in Pennsylvania and Ohio. They also seek damages and changes to Energy Transfer’s corporate governance structure. See Bettiol v. LE GP, Case No. 3:19-cv-02890-X (N.D. Tex.); Davidson v. Kelcy L. Warren, Cause No. DC-20-02322 (44th Judicial District of Dallas County, Texas); Harris v. Kelcy L. Warren, Case No. 2:20-cv-00364-GAM (E.D. Pa.); Barry King v. LE GP, Case No. 3:20-cv-00719-X (N.D. Tex.); Inter-Marketing Group USA, Inc. v. LE GP, et al., Case No. 2022-0139-SG (Del. Ch.); Elliot v. LE GP LLC, Case No. 3:22-cv-01527-B (N.D. Tex.); Chapa v. Kelcy L. Warren, et al., Index No. 611307/2022 (N.Y. Sup. Ct.); Elliott v. LE GP et al, Cause No. DC-22-14194 (Dallas County, Tex.); and Charles King v. LE GP, LLC et al, Cause No. DC-22-14159 (Dallas County, Texas). The Barry King action that was filed in the United States District Court for the Northern District of Texas (Case No. 3:20-cv-00719-X) has been consolidated with the Bettiol action. On August 9, 2022, the Elliot action that was filed in the United States District Court for the Northern District of Texas (Case No. 3:22-cv-01527-B) was voluntarily dismissed.

Another purported unitholder of Energy Transfer, Allegheny County Employees’ Retirement System (“ACERS”), individually and on behalf of all others similarly situated, filed a suit under the federal securities laws purportedly on behalf of a class, against Energy Transfer and three of Energy Transfer’s directors: Kelcy L. Warren, John W. McReynolds and Thomas E. Long. See Allegheny County Emps.’ Ret. Sys. v. Energy Transfer LP, Case No. 2:20-00200-GAM (E.D. Pa.). On June 15, 2020, ACERS filed an amended complaint and added as additional defendants Energy Transfer directors Marshall S. McCrea and Matthew S. Ramsey, as well as Michael J. Hennigan and Joseph McGinn. The amended complaint asserts claims for violations of Sections 10(b) and 20(a) of the Exchange Act and Rule 10b-5 promulgated thereunder related primarily to matters involving the construction of pipelines in Pennsylvania. On August 14, 2020, the defendants filed a motion to dismiss ACERS’ amended complaint. On April 6, 2021, the court granted in part and denied in part the defendants’ motion to dismiss. The court held that ACERS could proceed with its claims regarding certain statements put at issue by the amended complaint while also dismissing claims based on other statements. The court also dismissed without prejudice the claims against defendants McReynolds, McGinn and Hennigan. Discovery is ongoing. On August 23, 2022, the court granted in part and denied in part ACERS’ motion for class certification. The court certified a class consisting of those who purchased or otherwise acquired common units of Energy Transfer between February 25, 2017 and November 11, 2019.

On June 3, 2022, another purported unitholder of Energy Transfer, Mike Vega, filed suit, purportedly on behalf of a class, against Energy Transfer and Messrs. Warren, Long, McCrea and Whitehurst. See Vega v. Energy Transfer LP et al., Case No. 1:22-cv-4614 (S.D.N.Y.). The action asserts claims for violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder related primarily to statements made in connection with the construction of Rover. On August 10, 2022, the court appointed the New Mexico State Investment Council and Public Employees Retirement Association of New Mexico (the “New Mexico Funds”) as lead plaintiffs. New Mexico Funds filed an amended complaint on September 30, 2022 and added as additional defendants Energy Transfer directors John W. McReynolds and Matthew S. Ramsey. On November 7, 2022, the court granted the defendants’ motion to transfer and transferred this action to the United States District Court for the Northern District of Texas. On January 27, 2023, the defendants filed their motion to dismiss the New Mexico Funds’ amended complaint.

The defendants cannot predict the outcome of these lawsuits or any lawsuits that might be filed subsequent to the date of this filing, nor can the defendants predict the amount of time and expense that will be required to resolve these lawsuits. However, the defendants believe that the claims are without merit and intend to vigorously contest them.

Cline Class Action

On July 7, 2017, Perry Cline filed a class action complaint in the Eastern District of Oklahoma against Sunoco, Inc. (R&M), LLC (now known as Energy Transfer R&M) and Energy Transfer Marketing & Terminals L.P. (collectively, “ETMT”) that alleged ETMT failed to make timely payments of oil and gas proceeds from Oklahoma wells and to pay statutory interest for those untimely payments. On October 3, 2019, the District Court certified a class to include all persons

who received untimely payments from Oklahoma wells on or after July 7, 2012, and who have not already been paid statutory interest on the untimely payments (the “Class”). Excluded from the Class are those entitled to payments of proceeds that qualify as “minimum pay,” prior period adjustments and pass through payments, as well as governmental agencies and publicly traded oil and gas companies.

After a bench trial, on August 17, 2020, Judge John Gibney (sitting from the Eastern District of Virginia) issued an opinion that awarded the Class actual damages of $74.8 million for late payment interest for identified and unidentified royalty owners and interest-on-interest. This amount was later amended to $80.7 million to account for interest accrued from trial (the “Order”). Judge Gibney also awarded punitive damages in the amount of $75 million. The Class is also seeking attorneys’ fees.

On August 27, 2020, ETMT filed its Notice of Appeal with the 10th Circuit Court of Appeals (“10th Circuit”) and appealed the entirety of the Order. The matter was fully briefed, and oral argument was set for November 15, 2021. However, on November 1, 2021, the 10th Circuit dismissed the appeal due to jurisdictional concerns with finality of the Order. En banc rehearing of this decision was denied on November 29, 2021. On December 1, 2021, ETMT filed a Petition for Writ of Mandamus to the 10th Circuit to correct the jurisdictional problems and secure final judgment. On February 2, 2022, the 10th Circuit denied the Petition for Writ of Mandamus, citing that there are other avenues for ETMT to obtain adequate relief. On February 10, 2022, ETMT filed a Motion to Modify the Plan of Allocation Order and Issue a Rule 58 Judgment with the trial court, requesting the District Court to enter a final judgment in compliance with the Rules. ETMT also filed an injunction with the trial court to enjoin all efforts by plaintiffs to execute on any non-final judgment. On March 31, 2022, Judge Gibney denied the Motion to Modify the Plan of Allocation, reiterating his thoughts that the order constitutes a final judgment. Judge Gibney granted the injunction in part (placing a hold on enforcement efforts for 60 days) and denied the injunction in part. The injunction has since been lifted.

Despite the fact that ETMT has taken the position that the judgment is not final and not subject to execution, the Class engaged in asset discovery and actively tried to collect on the judgment through garnishment proceedings from ETMT’s customers. ETMT unsuccessfully tried to deposit the funds into the District Court’s Registry. Accordingly, to stop the garnishment proceedings, on December 2, 2022, ETMT wired approximately $161 million to the Plaintiff’s approved Plan Administrator, which represented at the time the full amount of the judgment with attorney’s fees and post-judgment interest. ETMT did so without waiving its ability to pursue its pending appeal or its right to appeal the merits of the judgment. Plaintiff has since dismissed the garnishment actions.

ETMT cannot predict the outcome of the case, nor can ETMT predict the amount of time and expense that will be required to resolve the appeal. ETMT has been vigorous and diligent in its appeals relating to the finality issues underlying the Order and appealed the denial of the Motion to Modify to the 10th Circuit in an attempt to get a decision on finality. The appeal was fully briefed, and oral argument was held on March 21, 2023. On August 3, 2023, the 10th Circuit ruled in favor of ETMT and found that the district court’s plan of allocation (which was part of the final judgment) did not satisfy all finality requirements. The Court held that the district court abused its discretion in denying ETMT’s Rule 60(b)(6) Motion to Modify and reversed and remanded for further proceedings. The case was sent back to the trial court so that the district court could fix the finality requirements with the judgment. Further, ETMT sought and recovered a return of funds deposited with the Plan Administrator; Class Counsel did not oppose this motion.

At a status hearing on September 28, 2023, Class Counsel indicated that it would seek additional interest up until the date that the final judgment is entered. The District Court asked for briefing on the issue of additional interest and held a hearing on October 17, 2023 to address this issue further and enter a ruling as to whether additional interest should be added to the judgment total. During the hearing, the District Court ruled that additional interest should be awarded at the 12% statutory rate from the date of the prior improper judgment up until October 17, 2023. However, the Judge tolled the running of interest for the time period during which the Plan Administrator was in possession of ETMT’s funds (between November 2, 2022 and October 10, 2023). Based on this ruling, the Class calculated that approximately $23 million in additional interest should be added to the final judgment. On October 19, 2023, the District Court entered the new final judgment with a corrected Plan of Allocation. Both parties agree that this newly entered judgment fixes the finality concerns and will allow an appeal to the 10th Circuit on the merits. With the inclusion of additional interest, the total amount awarded to the Plaintiffs is approximately $104 million in actual damages and $75 million in punitive damages. ETMT intends on appealing the entirety of the judgment and filed its Notice of Appeal to the Tenth Circuit on December 15, 2023.

Energy Transfer LP and ETC Texas Pipeline, Ltd. v. Culberson Midstream LLC, et al.

On April 8, 2022, Energy Transfer and ETC Texas Pipeline, Ltd. (“ETC,” and together with Energy Transfer, “Plaintiffs”) filed suit against Culberson Midstream LLC (“Culberson”), Culberson Midstream Equity, LLC (“Culberson Equity”), and Moontower Resources Gathering, LLC (“Moontower”). On October 1, 2018, ETC and Culberson entered into a Gas

Gathering and Processing Agreement (the “Bypass GGPA”) under which Culberson was to gather gas from its dedicated acreage and deliver all committed gas exclusively to ETC. In connection with the Bypass GGPA, on October 18, 2018, Energy Transfer and Culberson Equity also entered into an Option Agreement. Under the Option Agreement, Culberson Equity and Moontower had the right (but not the obligation) to require Energy Transfer to purchase their respective interests in Culberson by way of a put option. Notably, the Option Agreement is only enforceable so long as the parties comply with the Bypass GGPA. In late March 2022, Culberson Equity and Moontower submitted a put notice to Energy Transfer seeking to require Energy Transfer to purchase their respective interests in Culberson for approximately $93 million. On April 8, 2022, Plaintiffs filed suit against Culberson, Culberson Equity and Moontower asserting claims for declaratory judgment and breach of contract, contending that they materially breached the Bypass GGPA by sending some committed gas to third parties and also by failing to send any gas to Plaintiffs since March 2020, and thus that Culberson Equity’s and Moontower’s put notice is void. Culberson, Culberson Equity, and Moontower have answered the lawsuit. Additionally, Culberson filed a counterclaim against ETC for breach of the Bypass GGPA, seeking the recovery of damages and attorneys’ fees. Culberson Equity and Moontower also filed a counterclaim against Energy Transfer for (1) breach of the Option Agreement, and (2) a declaratory judgment concerning Energy Transfer’s alleged obligation to purchase the Culberson interests. The lawsuit is pending in the 193rd Judicial District Court (“the Court”) in Dallas County, Texas. On April 27, 2022, Culberson filed an application for a temporary restraining order, temporary injunction, and permanent injunction, and Culberson Equity and Moontower joined in that request. The Court held a hearing on the application on April 28 and denied the injunction. In early May, Culberson filed a motion to enforce the appraisal process and confirm the validity of their put price calculation, to which Plaintiffs objected. On July 11, 2022, the Court held a hearing on the motion, and on July 19, 2022, the Court ordered the parties to engage in an appraisal process regarding the put price. An independent appraiser was appointed and issued his decision on October 15, 2022, concluding that the put price totals $93 million. Plaintiffs have consistently reiterated their objection to the appraisal process and conclusion.

On October 6, 2022, Culberson, Culberson Equity and Moontower filed a motion for summary judgment, but the Court postponed considering it until after further document discovery and depositions. On December 7, 2022, Plaintiffs amended their petition to add Moontower Resources Operating, LLC and Moontower Resources WI, LLC as Defendants, and to assert a claim against all Defendants for fraudulent inducement.

Defendants refiled updated motions for summary judgment on May 5, 2023, seeking summary judgment on: (1) Plaintiffs’ breach of contract and declaratory judgment claims on a no-evidence basis; (2) Plaintiffs’ fraud and alter ego claims on a no-evidence basis; and (3) Plaintiffs’ fraud claim on a traditional basis. Plaintiffs responded on June 6, 2023. Defendants submitted their replies in support of summary judgment on June 12, 2023.

On June 5, 2023, counsel for Defendants informed the Court via a letter that Defendants were continuing the submission date of the no-evidence motion regarding Plaintiffs’ breach of contract and declaratory judgment claims, noting that such submission would be rescheduled along with a traditional summary judgment motion regarding the same subject matter. To that end, on July 17, 2023, Defendant Culberson Midstream, LLC filed a Traditional Motion for Summary Judgment on Plaintiffs’ Breach of Contract and Declaratory Judgment Claims, while Defendants Culberson Midstream Equity, LLC and Moontower Resources Gathering filed a Motion for Partial Summary Judgment Regarding the Breach of the Option Agreement. Further, on July 25, 2023, Defendants filed a Traditional and No-Evidence Motion for Summary Judgment Regarding Damages and Recission. On July 28, 2023, in turn, Plaintiff ETC Texas Pipeline, Ltd. filed a Traditional Motion for Partial Summary Judgment on Breach of Contract and Declaratory Judgment.

On September 20, 2023, the Court held oral argument on the various Motions for Summary Judgment. Following oral argument, on September 26, 2023, the Court ruled on each of the Motions. The Court denied Defendants’ Traditional Motion for Partial Summary Judgment Regarding Fraud, Defendants’ No Evidence Motion for Summary Judgment Regarding Plaintiffs’ Fraud and Alter Ego Claims, Defendants’ Traditional and No Evidence Motion for Partial Summary Judgment Regarding Damages and Rescission, and Plaintiff ETC Texas Pipeline, Ltd.’s Traditional Motion for Partial Summary Judgment on Breach of Contract and Declaratory Judgment. The Court granted Culberson Midstream, LLC’s Traditional Motion for Partial Summary Judgment Seeking Dismissal of Plaintiffs’ Breach of Contract and Declaratory Judgment Claims and Culberson Midstream Equity, LLC and Moontower Resources Gathering, LLC’s Motion for Partial Summary Judgment Regarding Breach of the Option Agreement. Defendants have filed a motion seeking permission from the appellate court to allow an interlocutory appeal of the order denying their Traditional Motion for Partial Summary Judgment Regarding Fraud. That motion remains pending before the appellate court.

Discovery has closed in this matter. Trial on Plaintiff Energy Transfer LP’s fraud claim is currently set for June 18, 2024. Plaintiffs cannot predict the ultimate outcome of this litigation or the amount of time and expense that will be required to resolve it.

Massachusetts Attorney General v. New England Gas Company

On July 7, 2011, the Massachusetts Attorney General (the “MA AG”) filed a regulatory complaint with the Massachusetts Department of Public Utilities (“DPU”) against New England Gas Company (“NEG”) with respect to certain environmental cost recoveries. NEG was an operating division of Southern Union Company (“SUG”), and the NEG assets were acquired in connection with the merger transaction with Energy Transfer in March 2012. Subsequent to the merger, in 2013, SUG sold the NEG assets to Liberty Utilities (“Liberty,” and together with NEG and SUG, “Respondents”) and retained certain potential liabilities, including the environmental cost recoveries with respect to the pending complaint before the DPU. Specifically, the MA AG seeks a refund to NEG’s ratepayers for approximately $18 million in legal fees associated with SUG environmental response activities. The MA AG requests that the DPU initiate an investigation into NEG’s collection and reconciliation of recoverable environmental costs, namely: (1) the legal fees charged by the Kasowitz, Benson, Torres & Friedman firm and passed through the recovery mechanism since 2005; (2) the legal fees charged by the Bishop, London & Dodds firm and passed through the recovery mechanisms since 2005; and (3) the legal fees passed through the recovery mechanism that the MA AG contends only qualify for a lesser (i.e., 50%) level of recovery. Respondents maintain that, by tariff, these costs are recoverable through rates charged to NEG customers pursuant to the environmental remediation adjustment clause program. After the Respondents answered the complaint and filed a motion to dismiss in 2011, the Hearing Officer deferred decision on the motion to dismiss and issued a stay of discovery pending resolution of a discovery dispute, which it later lifted on June 24, 2013, permitting the case to resume. However, the MA AG failed to take any further steps to prosecute its claims for nearly seven years. The case remained largely dormant until February 2022, when the Hearing Officer denied the motion to dismiss. After receiving input from the parties, the Hearing Officer entered a procedural schedule on March 16, 2022 (which was amended slightly on August 22, 2022). The parties engaged in discovery and the preparation of pre-filed testimony. Respondents submitted their pre-filed testimony on July 11, 2022. The MA AG served three sets of discovery requests on Respondents on September 9, September 12, and September 20, respectively, to which Respondents timely responded. On October 5, 2022, the MA AG requested that the DPU issue a ruling on whether the information that Respondents redacted in their attorneys’ fees invoices is protected by the attorney-client privilege. On the same day, the MA AG also filed a Motion to Stay the Procedural Schedule pending a ruling on the privilege issue. On October 6, 2022, without even affording Respondents the opportunity to respond, the DPU granted the MA AG’s request to stay the procedural schedule. Accordingly, all previous deadlines (including the MA AG’s October 7, 2022, deadline to submit direct pre-filed testimony) are presently stayed. On October 18, 2023, the DPU issued an Order on Attorney General’s Motion to Compel, ruling on issues originally raised in a motion to compel that the MA AG filed in 2013. The October 18, 2023 Order directs NEG to review its redactions again and, to the extent any invoices are completely redacted or heavily redacted, to provide more lightly redacted versions within 30 days. The October 18, 2023 Order also states that the MDPU will set a new procedural schedule in this matter sometime after NEG complies with the directives in the order, which the Company has completed as of January 17, 2024.

Crestwood Midstream Partners, LP – Linde Litigation

On December 23, 2019, Linde Engineering North America Inc. (“Linde”) filed a lawsuit in the District Court of Harris County, Texas alleging that Arrow Field Services, LLC, our consolidated subsidiary, and Crestwood Midstream Partners, LP (collectively, “Crestwood”) breached a contract entered into in March 2018 under which Linde was to provide engineering, procurement and construction services to Crestwood related to the completion of the construction of the Bear Den II cryogenic processing plant.

Trial was held in June 2022, and a final judgment was entered on October 24, 2022. The final judgment includes an award of damages of approximately $20.7 million, a pre-judgment interest award of approximately $17.7 million and attorney fees and other costs of approximately $4.7 million. Crestwood has insurance coverage related to certain pre-judgment interest awards but has not recorded a receivable related to any potential insurance recovery on June 30, 2023. On January 9, 2023, Crestwood paid approximately $21.2 million to the Court Registry under protest to mitigate the impact of post-judgment interest. Crestwood filed a Notice of Appeal on January 13, 2023, and filed its Appellate Brief on September 29, 2023. Linde’s response was filed on February 8, 2024. Crestwood anticipates that oral argument will be held in late 2024. Crestwood is unable to predict the ultimate outcome on the appeal related to this matter.

Environmental Matters

Our operations are subject to extensive federal, tribal, state and local environmental and safety laws and regulations that require expenditures to ensure compliance, including related to air emissions and wastewater discharges, at operating facilities and for remediation at current and former facilities as well as waste disposal sites. Historically, our environmental compliance costs have not had a material adverse effect on our results of operations but there can be no assurance that such costs will not be material in the future or that such future compliance with existing, amended or new legal requirements will not have a material adverse effect on our business and operating results. Costs of planning, designing, constructing and

operating pipelines, plants and other facilities must incorporate compliance with environmental laws and regulations and safety standards. Failure to comply with these laws and regulations may result in the assessment of administrative, civil and criminal penalties, the imposition of investigatory, remedial and corrective action obligations, natural resource damages, the issuance of injunctions in affected areas and the filing of federally authorized citizen suits. Contingent losses related to all significant known environmental matters have been accrued and/or separately disclosed. However, we may revise accrual amounts prior to resolution of a particular contingency based on changes in facts and circumstances or changes in the expected outcome.

Environmental exposures and liabilities are difficult to assess and estimate due to unknown factors such as the magnitude of possible contamination, the timing and extent of remediation, the determination of our liability in proportion to other parties, improvements in cleanup technologies and the extent to which environmental laws and regulations may change in the future. Although environmental costs may have a significant impact on our results of operations for any single period, we believe that such costs will not have a material adverse effect on our financial position.

Based on information available at this time and reviews undertaken to identify potential exposure, we believe the amount reserved for environmental matters is adequate to cover the potential exposure for cleanup costs.

Environmental Remediation

Our subsidiaries are responsible for environmental remediation at certain sites, including the following:

•Certain of our interstate pipelines conduct soil and groundwater remediation related to contamination from past uses of PCBs. PCB assessments are ongoing and, in some cases, our subsidiaries could be contractually responsible for contamination caused by other parties.

•Certain gathering and processing systems are responsible for soil and groundwater remediation related to releases of hydrocarbons.

•Legacy sites related to Sunoco, Inc. that are subject to environmental assessments, including formerly owned terminals and other logistics assets, retail sites that the Partnership no longer operates, closed and/or sold refineries and other formerly owned sites.

•The Partnership is potentially subject to joint and several liability for the costs of remediation at sites at which it has been identified as a potentially responsible party (“PRP”). As of December 31, 2023, the Partnership had been named as a PRP at approximately 32 identified or potentially identifiable “Superfund” sites under federal and/or comparable state law. The Partnership is usually one of a number of companies identified as a PRP at a site. The Partnership has reviewed the nature and extent of its involvement at each site and other relevant circumstances and, based upon the Partnership’s purported nexus to the sites, believes that its potential liability associated with such sites will not be significant.

To the extent estimable, expected remediation costs are included in the amounts recorded for environmental matters in our consolidated balance sheets. In some circumstances, future costs cannot be reasonably estimated because remediation activities are undertaken as claims are made by customers and former customers. To the extent that an environmental remediation obligation is recorded by a subsidiary that applies regulatory accounting policies, amounts that are expected to be recoverable through tariffs or rates are recorded as regulatory assets on our consolidated balance sheets.

The following table reflects the amounts of accrued liabilities recorded in our consolidated balance sheets related to environmental matters that are considered to be probable and reasonably estimable. Currently, we are not able to estimate possible losses or a range of possible losses in excess of amounts accrued. Except for matters discussed above, we do not have any material environmental matters assessed as reasonably possible that would require disclosure in our consolidated financial statements.

	December 31,
	2023		2022
Current	$	42	$	54
Non-current	235		228
Total environmental liabilities	$	277	$	282

We have established a wholly owned captive insurance company to bear certain risks associated with environmental obligations related to certain sites that are no longer operating. The premiums paid to the captive insurance company include estimates for environmental claims that have been incurred but not reported, based on an actuarially determined

fully developed claims expense estimate. In such cases, we accrue losses attributable to unasserted claims based on the discounted estimates that are used to develop the premiums paid to the captive insurance company.

During the years ended December 31, 2023 and 2022, the Partnership recorded $29 million and $30 million, respectively, of expenditures related to environmental cleanup programs.

Our pipeline operations are subject to regulation by the DOT under PHMSA, pursuant to which PHMSA has established requirements relating to the design, installation, testing, construction, operation, replacement and management of pipeline facilities. Moreover, PHMSA, through the Office of Pipeline Safety, has promulgated a rule requiring pipeline operators to develop integrity management programs to comprehensively evaluate their pipelines, and take measures to protect pipeline segments located in what the rule refers to as “high consequence areas.” Activities under these integrity management programs involve the performance of internal pipeline inspections, pressure testing or other effective means to assess the integrity of these regulated pipeline segments, and the regulations require prompt action to address integrity issues raised by the assessment and analysis. Integrity testing and assessment of all of these assets will continue, and the results of such testing and assessment could cause us to incur future capital and operating expenditures for repairs or upgrades deemed necessary to ensure the continued safe and reliable operation of our pipelines; however, no estimate can be made at this time of the likely range of such expenditures.

Our operations are also subject to the requirements of OSHA, and comparable state laws that regulate the protection of the health and safety of employees. In addition, the Occupational Safety and Health Administration’s hazardous communication standard requires that information be maintained about hazardous materials used or produced in our operations and that this information be provided to employees, state and local government authorities and citizens. We believe that our past costs for OSHA required activities, including general industry standards, record keeping requirements and monitoring of occupational exposure to regulated substances have not had a material adverse effect on our results of operations; however, there is no assurance that such costs will not be material in the future.

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Revenue (Notes)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Revenue from Contract with Customer [Text Block]

REVENUE:

Disaggregation of revenue

The major types of revenue within our reportable segments are as follows:

•intrastate transportation and storage;

•interstate transportation and storage;

•midstream;

•NGL and refined products transportation and services;

•crude oil transportation and services;

•investment in Sunoco LP;

•fuel distribution and marketing;

•all other;

•investment in USAC;

•contract operations;

•retail parts and services; and

•all other.

Note 16 depicts the disaggregation of revenue by segment, with revenue amounts reflected in accordance with ASC Topic 606.

Intrastate transportation and storage revenue

Our intrastate transportation and storage segment’s revenues are determined primarily by the volume of capacity our customers reserve as well as the actual volume of natural gas that flows through the transportation pipelines or that is injected or withdrawn into or out of our storage facilities. Firm transportation and storage contracts require customers to pay certain minimum fixed fees regardless of the volume of commodity they transport or store. These contracts typically include a variable incremental charge based on the actual volume of transportation commodity throughput or stored commodity injected/withdrawn. Under interruptible transportation and storage contracts, customers are not required to pay

any fixed minimum amounts, but are instead billed based on actual volume of commodity they transport across our pipelines or inject/withdraw into or out of our storage facilities. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of service, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Our intrastate transportation and storage segment also generates revenues and margin from the sale of natural gas to electric utilities, independent power plants, local distribution companies, industrial end-users and other marketing companies on the HPL System. Generally, we purchase natural gas from the market, including purchases from our marketing operations, and from producers at the wellhead.

Interstate transportation and storage revenue

Our interstate transportation and storage segment’s revenues are determined primarily by the amount of capacity our customers reserve as well as the actual volume of natural gas that flows through the transportation pipelines or that is injected into or withdrawn out of our storage facilities. Our interstate transportation and storage segment’s contracts can be firm or interruptible. Firm transportation and storage contracts require customers to pay certain minimum fixed fees regardless of the volume of commodity transported or stored. In exchange for such fees, we must stand ready to perform a contractually agreed-upon minimum volume of services whenever the customer requests such services. These contracts typically include a variable incremental charge based on the actual volume of transportation commodity throughput or stored commodity injected or withdrawn. Under interruptible transportation and storage contracts, customers are not required to pay any fixed minimum amounts, but are instead billed based on actual volume of commodity they transport across our pipelines or inject into or withdraw out of our storage facilities. Consequently, we are not required to stand ready to provide any contractually agreed-upon volume of service, but instead provides the services based on existing capacity at the time the customer requests the services. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of services, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Lake Charles LNG’s revenues are primarily derived from terminalling services for shippers by receiving LNG at the facility for storage and delivering such LNG to shippers, either in liquid state or gaseous state after regasification. Lake Charles LNG derives all of its revenue from a series of long-term contracts with a wholly owned subsidiary of Royal Dutch Shell plc (“Shell”). Terminalling revenue is generated from fees paid by Shell for storage and other associated services at the terminal. Payment for services under these contracts are typically due the month after the services have been performed.

The terminalling agreements are considered to be firm agreements, because they include fixed fee components that are charged regardless of the volumes transported by Shell or services provided at the terminal.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (terminalling) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

Midstream revenue

Our midstream segment’s revenues are derived primarily from margins we earn for natural gas volumes that are gathered, processed and/or transported. The various types of revenue contracts our midstream segment enters into include:

Fixed fee gathering and processing: Contracts under which we provide gathering and processing services in exchange for a fixed cash fee per unit of volume. Revenue for cash fees is recognized when the service is performed.

Keepwhole: Contracts under which we gather raw natural gas from a third-party producer, process the gas to convert it to pipeline quality natural gas, and redeliver to the producer a thermal-equivalent volume of pipeline quality natural gas. In exchange for these services, we retain the NGLs extracted from the raw natural gas received from the producer as well as cash fees paid by the producer. The value of NGLs retained as well as cash fees is recognized as revenue when the services are performed.

Percent of Proceeds (“POP”): Contracts under which we provide gathering and processing services in exchange for a specified percentage of the producer’s commodity (“POP percentage”) and also in some cases additional cash fees. The two types of POP revenue contracts are described below:

•In-Kind POP: We retain our POP percentage (non-cash consideration) and also any additional cash fees in exchange for providing the services. We recognize revenue for the non-cash consideration and cash fees at the time the services are performed.

•Mixed POP: We purchase NGLs from the producer and retain a portion of the residue gas as non-cash consideration for services provided. We may also receive cash fees for such services. Under Topic 606, these agreements were determined to be hybrid agreements which were partially supply agreements (for the NGLs we purchased) and customer agreements (for the services provided related to the product that was returned to the customer). Given that these are hybrid agreements, we split the cash and non-cash consideration between revenue and a reduction of costs based on the value of the service provided vs. the value of the supply received.

Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligations with respect to our midstream segment’s contracts are to provide gathering, transportation and processing services, each of which would be completed on or about the same time, and each of which would be recognized on the same line item on the income statement, therefore identification of separate performance obligations would not impact the timing or geography of revenue recognition.

Certain contracts of our midstream segment include throughput commitments under which customers commit to purchasing a certain minimum volume of service over a specified time period. If such volume of service is not purchased by the customer, deficiency fees are billed to the customer. In some cases, the customer is allowed to apply any deficiency fees paid to future purchases of services. In such cases, we defer revenue recognition until the customer uses the deficiency fees for services provided or becomes unable to use the fees as payment for future services due to expiration of the contractual period the fees can be applied or physical inability of the customer to utilize the fees due to capacity constraints.

Our midstream segment also generates revenues from the sale of residue gas and NGLs at the tailgate of our processing facilities primarily to affiliates and some third-party customers.

NGL and refined products transportation and services revenue

Our NGL and refined products transportation and services segment’s revenues are primarily derived from transportation, fractionation, blending and storage of NGL and refined products as well as acquisition and marketing activities. Revenues are generated utilizing a complementary network of pipelines, storage and blending facilities, and strategic offtake locations that provide access to multiple NGL markets. Transportation, fractionation and storage revenue is generated from

fees charged to customers under a combination of firm and interruptible contracts. Firm contracts are in the form of take-or-pay arrangements where certain fees will be charged to customers regardless of the volume of service they request for any given period. Under interruptible contracts, customers are not required to pay any fixed minimum amounts, but are instead billed based on actual volume of service provided for any given period. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation, fractionation, blending, or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of services, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Crude oil transportation and services revenue

Our crude oil transportation and services segment’s revenues are primarily derived from providing transportation, terminalling and acquisition and marketing services to crude oil markets throughout the Southwest, Midwest and Northeast United States. Crude oil transportation revenue is generated from tariffs paid by shippers utilizing our transportation services and is generally recognized as the related transportation services are provided. Crude oil terminalling revenue is generated from fees paid by customers for storage and other associated services at the terminal. Crude oil acquisition and marketing revenue is generated from sale of crude oil acquired from a variety of suppliers to third parties. Payment for services under these contracts are typically due the month after the services have been performed.

Certain transportation and terminalling agreements are considered to be firm agreements, because they include fixed fee components that are charged regardless of the volume of crude oil transported by the customer or services provided at the terminal. For these agreements, any fixed fees billed in excess of services provided are not recognized as revenue until the earlier of (i) the time at which the customer applies the fees against cost of service provided in a later period, or (ii) the customer becomes unable to apply the fees against cost of future service due to capacity constraints or contractual terms.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or terminalling) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of service, but such promise is made on a case-by-case basis at the time the customer requests the service and/or product and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Sunoco LP’s fuel distribution and marketing revenue

Sunoco LP’s fuel distribution and marketing operations earn revenue from the following channels: sales to dealers, sales to distributors, unbranded wholesale revenue, commission agent revenue, rental income and other income. Motor fuel revenue consists primarily of the sale of motor fuel under supply agreements with third party customers and affiliates. Fuel supply contracts with Sunoco LP’s customers generally provide that Sunoco LP distribute motor fuel at a formula price based on published rates, volume-based profit margin and other terms specific to the agreement. The customer is invoiced the agreed-upon price with most payment terms ranging less than 30 days. If the consideration promised in a contract includes a variable amount, Sunoco LP estimates the variable consideration amount and factors in such an estimate to determine the transaction price under the expected value method.

Revenue is recognized under the motor fuel contracts at the point in time the customer takes control of the fuel. At the time control is transferred to the customer the sale is considered final, because the agreements do not grant customers the right

to return motor fuel. To determine when control transfers to the customer, the shipping terms of the contract are assessed as a primary indicator of the transfer of control. For FOB shipping point terms, revenue is recognized at the time of shipment. The performance obligation with respect to the sale of goods is satisfied at the time of shipment since the customer gains control at this time under the terms. Shipping and/or handling costs that occur before the customer obtains control of the goods are deemed to be fulfillment activities and are accounted for as fulfillment costs. Once the goods are shipped, Sunoco LP is precluded from redirecting the shipment to another customer and revenue is recognized.

Commission agent revenue consists of sales from commission agent agreements between Sunoco LP and select operators. Sunoco LP supplies motor fuel to sites operated by commission agents and sells the fuel directly to the end customer. In commission agent arrangements, control of the product is transferred at the point in time when the goods are sold to the end customer. To reflect the transfer of control, Sunoco LP recognizes commission agent revenue at the point in time fuel is sold to the end customer.

Sunoco LP receives rental income from leased or subleased properties. Revenue from leasing arrangements for which Sunoco LP is the lessor is recognized ratably over the term of the underlying lease.

Sunoco LP’s all other revenue

Sunoco LP’s all other operations earn revenue from the following channels: motor fuel sales, rental income and other income. Motor fuel sales consist of fuel sales to consumers at company-operated retail stores. Other income includes merchandise revenue that comprises the in-store merchandise and food service sales at company-operated retail stores, and other revenue that represents a variety of other services within Sunoco LP’s all other operations including credit card processing, car washes, lottery, automated teller machines, money orders, prepaid phone cards and wireless services. Revenue from all other operations is recognized when (or as) the performance obligations are satisfied (i.e. when the customer obtains control of the good or the service is provided).

USAC’s contract operations revenue

USAC’s revenue from contracted compression, natural gas treating and maintenance services is recognized ratably under its fixed-fee contracts over the term of the contract as services are provided to its customers. Initial contract terms typically range from six months to five years; however, USAC usually continues to provide compression services at a specific location beyond the initial contract term, either through contract renewal or on a month-to-month or longer basis. USAC primarily enters into fixed-fee contracts whereby its customers are required to pay the monthly fee even during periods of limited or disrupted throughput. Services are generally billed monthly, one month in advance of the commencement of the service month, except for certain customers who are billed at the beginning of the service month, and payment is generally due 30 days after receipt of the invoice. Amounts invoiced in advance are recorded as deferred revenue until earned, at which time they are recognized as revenue. The amount of consideration USAC receives and revenue it recognizes is based upon the fixed fee rate stated in each service contract.

Variable consideration exists in select contracts when billing rates vary based on actual equipment availability or volume of total installed horsepower.

USAC’s contracts with customers may include multiple performance obligations. For such arrangements, USAC allocates revenues to each performance obligation based on its relative standalone service fee. USAC generally determines standalone service fees based on the service fees charged to customers or using expected cost plus margin.

The majority of USAC’s service performance obligations are satisfied over time as services are rendered at selected customer locations on a monthly basis and based upon specific performance criteria identified in the applicable contract. The monthly service for each location is substantially the same service month to month and is promised consecutively over the service contract term. USAC measures progress and performance of the service consistently using a straight-line, time-based method as each month passes, because its performance obligations are satisfied evenly over the contract term as the customer simultaneously receives and consumes the benefits provided by its service. If variable consideration exists, it is allocated to the distinct monthly service within the series to which such variable consideration relates. USAC has elected to apply the invoicing practical expedient to recognize revenue for such variable consideration, as the invoice corresponds directly to the value transferred to the customer based on its performance completed to date.

There are typically no material obligations for returns or refunds. USAC’s standard contracts do not usually include material non-cash consideration.

USAC’s retail parts and services revenue

USAC’s retail parts and services revenue is primarily earned on directly reimbursable freight and crane charges that are the financial responsibility of USAC’s customers and maintenance work on units at its customers’ locations that are outside the scope of its core maintenance activities. Revenue from retail parts and services is recognized at the point in time the part is transferred or service is provided and control is transferred to the customer. At such time, the customer has the ability to direct the use of the benefits of such part or service after USAC has performed its services. USAC bills upon completion of the service or transfer of the parts, and payment is generally due 30 days after receipt of the invoice. The amount of consideration USAC receives and revenue it recognizes is based on the invoice amount. There are typically no material obligations for returns, refunds, or warranties. USAC’s standard contracts do not usually include material variable or non-cash consideration.

All other revenue

Our all other segment primarily includes our compression equipment business which provides full-service compression design and manufacturing services for the oil and gas industry. It also includes the management of coal and natural resources properties and the related collection of royalties. We also earn revenues from other land management activities, such as selling standing timber, leasing coal-related infrastructure facilities and collecting oil and gas royalties. These operations also include end-user coal handling facilities.

Contract Balances with Customers

The Partnership satisfies its obligations by transferring goods or services in exchange for consideration from customers. The timing of performance may differ from the timing the associated consideration is paid to or received from the customer, thus resulting in the recognition of a contract asset or a contract liability.

The Partnership recognizes a contract asset when making upfront consideration payments to certain customers or when providing services to customers prior to the time at which the Partnership is contractually allowed to bill for such services.

The Partnership recognizes a contract liability if the customer’s payment of consideration precedes the Partnership’s fulfillment of the performance obligations. Certain contracts contain provisions requiring customers to pay a fixed minimum fee, but allows customers to apply such fees against services to be provided at a future point in time. These amounts are reflected as deferred revenue until the customer applies the deficiency fees to services provided or becomes unable to use the fees as payment for future services due to expiration of the contractual period the fees can be applied or physical inability of the customer to utilize the fees due to capacity constraints. Additionally, Sunoco LP maintains some franchise agreements requiring dealers to make one-time upfront payments for long-term license agreements. Sunoco LP recognizes a contract liability when the upfront payment is received and recognizes revenue over the term of the license.

The following table summarizes the consolidated activity of our contract liabilities:

	Contract Liabilities
Balance, December 31, 2021	$	459
Additions	1,113
Revenue recognized	(944)
Other	(13)
Balance, December 31, 2022	615
Additions	1,254
Revenue recognized	(1,120)
Balance, December 31, 2023	$	749

The balances of Sunoco LP’s contract assets and contract liabilities as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Contract Balances
Contract assets	$	256	$	200
Accounts receivable from contracts with customers	809		834
Contract liabilities	—		—

Costs to Obtain or Fulfill a Contract

Sunoco LP recognizes an asset from the costs incurred to obtain a contract (e.g. sales commissions) only if it expects to recover those costs. On the other hand, the costs to fulfill a contract are capitalized if the costs are specifically identifiable to a contract, would result in enhancing resources that will be used in satisfying performance obligations in the future and are expected to be recovered. These capitalized costs are recorded as a part of other current assets and other non-current assets and are amortized on a systematic basis consistent with the pattern of transfer of the goods or services to which such costs relate. The amount of amortization expense that Sunoco LP recognized for the years ended December 31, 2023, 2022 and 2021 was $29 million, $22 million and $21 million, respectively. Sunoco LP has also made a policy election of expensing the costs to obtain a contract, as and when they are incurred, in cases where the expected amortization period is one year or less.

Performance Obligations

At contract inception, the Partnership assesses the goods and services promised in its contracts with customers and identifies a performance obligation for each promise to transfer a good or service (or bundle of goods or services) that is distinct. To identify the performance obligations, the Partnership considers all the goods or services promised in the contract, whether explicitly stated or implied based on customary business practices. For a contract that has more than one performance obligation, the Partnership allocates the total contract consideration it expects to be entitled to, to each distinct performance obligation based on a standalone-selling price basis. Revenue is recognized when (or as) the performance obligations are satisfied, that is, when the customer obtains control of the good or service. Certain of our contracts contain variable components, which, when combined with the fixed component are considered a single performance obligation. For these types of contracts, only the fixed component of the contracts are included in the following table.

Sunoco LP distributes fuel under long-term contracts to branded distributors, branded and unbranded third-party dealers, and branded and unbranded retail fuel outlets. Sunoco LP branded supply contracts with distributors generally have both time and volume commitments that establish contract duration. These contracts have an initial term of approximately ten years, with an estimated volume-weighted term remaining of approximately five years.

Sunoco LP is party to a 15-year take-or-pay fuel supply agreement in which the distributor is required to purchase a volume of fuel that provides Sunoco LP a minimum amount of gross profit annually. Sunoco LP expects to recognize this revenue in accordance with the contract as Sunoco LP transfers control of the product to the customer. However, in case of annual shortfall, Sunoco LP will recognize the amount payable by the distributor at the sooner of the time at which the distributor makes up the shortfall or becomes contractually or operationally unable to do so. The transaction price of the contract is variable in nature, fluctuating based on market conditions. The Partnership has elected to take the practical expedient not to estimate the amount of variable consideration allocated to wholly unsatisfied performance obligations.

In some contractual arrangements, Sunoco LP grants dealers a franchise license to operate Sunoco LP’s retail stores over the life of a franchise agreement. In return for the grant of the retail store license, the dealer makes a one-time nonrefundable franchise fee payment to Sunoco LP plus sales based royalties payable to Sunoco LP at a contractual rate during the period of the franchise agreement. Under the requirements of ASC Topic 606, the franchise license is deemed to be a symbolic license for which recognition of revenue over time is the most appropriate measure of progress toward complete satisfaction of the performance obligation. Revenue from this symbolic license is recognized evenly over the life of the franchise agreement.

As of December 31, 2023, the aggregate amount of transaction price allocated to unsatisfied (or partially satisfied) performance obligations was $39.10 billion, and the Partnership expects to recognize this amount as revenue within the time bands illustrated below:

	Years Ending December 31,
	2024		2025		2026		Thereafter		Total
Revenue expected to be recognized on contracts with customers existing as of December 31, 2023	$	7,590	$	6,497	$	5,769	$	19,240	$	39,096

Practical Expedients Utilized by the Partnership

The Partnership elected the following practical expedients in accordance with Topic 606:

•Right to invoice: The Partnership elected to utilize an output method to recognize revenue that is based on the amount to which the Partnership has a right to invoice a customer for services performed to date, if that amount corresponds directly with the value provided to the customer for the related performance or its obligation completed to date. As such, the Partnership recognized revenue in the amount to which it had the right to invoice customers.

•Significant financing component: The Partnership elected not to adjust the promised amount of consideration for the effects of significant financing component if the Partnership expects, at contract inception, that the period between the transfer of a promised good or service to a customer and when the customer pays for that good or service will be one year or less.

•Unearned variable consideration: The Partnership elected to only disclose the unearned fixed consideration associated with unsatisfied performance obligations related to our various customer contracts which contain both fixed and variable components.

•Incremental costs of obtaining a contract: The Partnership generally expenses sales commissions when incurred because the amortization period would have been less than one year. We record these costs within general and administrative expenses. The Partnership elected to expense the incremental costs of obtaining a contract when the amortization period for such contracts would have been one year or less.

•Shipping and handling costs: The Partnership elected to account for shipping and handling activities that occur after the customer has obtained control of a good as fulfillment activities (i.e., an expense) rather than as a promised service.

•Measurement of transaction price: The Partnership has elected to exclude from the measurement of transaction price all taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction and collected by the Partnership from a customer (i.e., sales tax, value added tax, etc.).

•Variable consideration of wholly unsatisfied performance obligations: The Partnership has elected to exclude the estimate of variable consideration to the allocation of wholly unsatisfied performance obligations.

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Lease Accounting (Notes)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Lessee, Operating Leases [Text Block]

LEASE ACCOUNTING:

Lessee Accounting

The Partnership leases terminal facilities, tank cars, office space, land and equipment under non-cancelable operating leases whose initial terms are typically five to 15 years, with some real estate leases having terms of 40 years or more, along with options that permit renewals for additional periods. At the inception of each, we determine if the arrangement is a lease or contains an embedded lease and review the facts and circumstances of the arrangement to classify lease assets as operating or finance leases under Topic 842. The Partnership has elected not to record any leases with terms of 12 months or less on our consolidated balance sheets.

At present, the majority of the Partnership’s active leases are classified as operating in accordance with Topic 842. Balances related to operating leases are included in operating lease ROU assets, accrued and other current liabilities, operating lease current liabilities and non-current operating lease liabilities in our consolidated balance sheets. Finance leases represent a small portion of the active lease agreements and are included in finance lease ROU assets, current maturities of long-term debt and long-term debt, less current maturities in our consolidated balance sheets. The ROU assets represent the Partnership’s right to use an underlying asset for the lease term and lease liabilities represent the obligation of the Partnership to make minimum lease payments arising from the lease for the duration of the lease term.

Most leases include one or more options to renew, with renewal terms that can extend the lease term from one to 20 years or greater. The exercise of lease renewal options is typically at the sole discretion of the Partnership and lease extensions

are evaluated on a lease-by-lease basis. Leases containing early termination clauses typically require the agreement of both parties to the lease. At the inception of a lease, all renewal options reasonably certain to be exercised are considered when determining the lease term. Presently, the Partnership does not have leases that include options to purchase or automatic transfer of ownership of the leased property to the Partnership. The depreciable life of lease assets and leasehold improvements are limited by the expected lease term.

To determine the present value of future minimum lease payments, we use the implicit rate when readily determinable. Presently, because many of our leases do not provide an implicit rate, the Partnership applies its incremental borrowing rate based on the information available at the lease commencement date to determine the present value of minimum lease payments. The operating and finance lease ROU assets include any lease payments made and exclude lease incentives.

Minimum rent payments are expensed on a straight-line basis over the term of the lease. In addition, some leases require additional contingent or variable lease payments, which are based on the factors specific to the individual agreement. Variable lease payments the Partnership is typically responsible for include payment of real estate taxes, maintenance expenses and insurance.

For short-term leases (leases that have term of twelve months or less upon commencement), lease payments are recognized on a straight-line basis and no ROU assets are recorded.

The components of operating and finance lease amounts recognized in the accompanying consolidated balance sheets as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Operating leases:
Lease right-of-use assets, net	$	797	$	808
Operating lease current liabilities	56		45
Accrued and other current liabilities	5		1
Non-current operating lease liabilities	778		798
Finance leases:
Property, plant and equipment, net	$	1	$	1
Lease right-of-use assets, net	29		11
Current maturities of long-term debt	8		2
Long-term debt, less current maturities	19		9
Other non-current liabilities	—		1

The components of lease expense for the years ended December 31, 2023 and 2022 were as follows:

		Year Ended December 31,
	Income Statement Location	2023		2022
Operating lease costs:
Operating lease cost	Cost of goods sold	$	1	$	3
Operating lease cost	Operating expenses	69		63
Operating lease cost	Selling, general and administrative	18		22
Total operating lease costs		88		88
Finance lease costs:
Amortization of lease assets	Depreciation, depletion and amortization	—		—
Interest on lease liabilities	Interest expense, net of capitalized interest	—		—
Total finance lease costs		—		—
Short-term lease cost	Operating expenses	38		33
Variable lease cost	Operating expenses	16		13
Lease costs, gross		142		134
Less: Sublease income	Other revenue	42		40
Lease costs, net		$	100	$	94

The weighted-average remaining lease terms and weighted-average discount rates as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Weighted-average remaining lease term (years):
Operating leases	21		21
Finance leases	12		27
Weighted-average discount rate (%):
Operating leases	6	%	5	%
Finance leases	5	%	4	%

Cash flows and non-cash activity related to leases for the years ended December 31, 2023 and 2022 were as follows:

	Year Ended December 31,
	2023		2022
Operating cash flows from operating leases	$	(139)	$	(133)
Lease assets obtained in exchange for new finance lease liabilities	18		1
Lease assets obtained in exchange for new operating lease liabilities	5		41

Maturities of lease liabilities as of December 31, 2023 are as follows:

	Operating leases		Finance leases		Total
2024	$	96	$	7	$	103
2025	90		8		98
2026	81		4		85
2027	71		2		73
2028	70		1		71
Thereafter	979		12		991
Total lease payments	1,387		34		1,421
Less: present value discount	553		7		560
Present value of lease liabilities	$	834	$	27	$	861

Lessor Accounting

Sunoco LP leases or subleases a portion of its real estate portfolio to third-party companies as a stable source of long-term revenue. Sunoco LP’s lessor and sublease portfolio consists mainly of operating leases with convenience store operators. At this time, most lessor agreements contain five-year terms with renewal options to extend and early termination options based on established terms specific to the individual agreement.

Sunoco LP’s future minimum operating lease payments receivable as of December 31, 2023 are as follows:

	Lease Payments
2024	$	108
2025	99
2026	82
2027	63
2028	38
Thereafter	17
Total undiscounted cash flows	$	407

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Derivative Assets And Liabilities

12 Months Ended

Dec. 31, 2023

General Discussion of Derivative Instruments and Hedging Activities [Abstract]

Derivative Assets And Liabilities

DERIVATIVE ASSETS AND LIABILITIES:

Commodity Price Risk

We are exposed to market risks related to the volatility of commodity prices. To manage the impact of volatility from these prices, we utilize various exchange-traded and OTC commodity financial instrument contracts. These contracts consist primarily of futures, swaps and options and are recorded at fair value in our consolidated balance sheets.

We use futures and basis swaps, designated as fair value hedges, to hedge our natural gas inventory stored in our Bammel storage facility. At hedge inception, we lock in a margin by purchasing gas in the spot market or off-peak season and entering into a financial contract. Changes in the spreads between the forward natural gas prices and the physical inventory spot price result in unrealized gains or losses until the underlying physical gas is withdrawn and the related designated derivatives are settled. Once the gas is withdrawn and the designated derivatives are settled, the previously unrealized gains or losses associated with these positions are realized.

We use futures, swaps and options to hedge the sales price of natural gas we retain for fees in our intrastate transportation and storage segment and operational gas sales on our interstate transportation and storage segment. These contracts are not designated as hedges for accounting purposes.

We use NGL and crude derivative swap contracts to hedge forecasted sales of NGL and condensate equity volumes we retain for fees in our midstream segment whereby our subsidiaries generally gather and process natural gas on behalf of producers, sell the resulting residue gas and NGL volumes at market prices and remit to producers an agreed upon percentage of the proceeds based on an index price for the residue gas and NGL. These contracts are not designated as hedges for accounting purposes.

We utilize swaps, futures and other derivative instruments to mitigate the risk associated with market movements in the price of natural gas, refined products and NGLs to manage our storage facilities and the purchase and sale of purity NGL. These contracts are not designated as hedges for accounting purposes.

We use futures and swaps to achieve ratable pricing of crude oil purchases, to convert certain expected refined product sales to fixed or floating prices, to lock in margins for certain refined products and to lock in the price of a portion of natural gas purchases or sales. These contracts are not designated as hedges for accounting purposes.

We use financial commodity derivatives to take advantage of market opportunities in our trading activities which complement our intrastate transportation and storage segment’s operations and are netted in cost of products sold in our consolidated statements of operations. We also have trading and marketing activities related to power and natural gas in our all other segment which are also netted in cost of products sold. As a result of our trading activities and the use of derivative financial instruments in our intrastate transportation and storage segment, the degree of earnings volatility that can occur may be significant, favorably or unfavorably, from period to period. We attempt to manage this volatility through the use of daily position and profit and loss reports provided to our risk oversight committee, which includes members of senior management, and the limits and authorizations set forth in our commodity risk management policy.

The following table details our outstanding commodity-related derivatives:

	December 31, 2023		December 31, 2022
	Notional Volume	Maturity	Notional Volume	Maturity
Mark-to-Market Derivatives
(Trading)
Natural Gas (BBtu):
Fixed Swaps/Futures	(1,878)	2024-2025	145	2023
Basis Swaps IFERC/NYMEX(1)	(171,185)	2024	(39,563)	2023
Swing Swaps	(900)	2024	—	—
Options – Puts	1,900	2024	—	—
Options - Calls	250	2024	—	—
Power (Megawatt):
Forwards	155,600	2024-2029	—	2023-2029
Futures	(464,897)	2024	(21,384)	2023
Options – Puts	136,000	2024	119,200	2023
Crude (MBbls):
Option - Puts	(15)	2024	—	—
Option - Calls	(20)	2024	—	—
NGL/Refined Products (MBbls):
Option - Puts	121	2024-2026	—	—
Option - Calls	(43)	2024-2026	—	—
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	124,210	2024-2025	42,440	2023-2024
Swing Swaps IFERC	(96,828)	2024-2025	(202,815)	2023-2024
Fixed Swaps/Futures	7,125	2024-2026	(15,758)	2023-2025
Forward Physical Contracts	(1,751)	2024-2026	2,423	2023-2024
NGL (MBbls) – Forwards/Swaps	(13,870)	2024-2027	6,934	2023-2025
Crude (MBbls) – Forwards/Swaps	(2,674)	2024-2025	795	2023-2024
Refined Products (MBbls) – Futures	(4,548)	2024-2025	(3,547)	2023-2024
Fair Value Hedging Derivatives
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	(39,013)	2024	(37,448)	2023
Fixed Swaps/Futures	(39,013)	2024	(37,448)	2023
Hedged Item – Inventory	39,013	2024	37,448	2023

(1)Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.

Interest Rate Risk

We are exposed to market risk for changes in interest rates. To maintain a cost effective capital structure, we borrow funds using a mix of fixed rate debt and variable rate debt. We also manage our interest rate exposure by utilizing interest rate swaps to achieve a desired mix of fixed and variable rate debt. We also utilize forward starting interest rate swaps to lock in the rate on a portion of our anticipated debt issuances.

The following table summarizes our interest rate swaps outstanding (including USAC’s), none of which were designated as hedges for accounting purposes:

Term	Type	Notional Amount Outstanding
		December 31, 2023		December 31, 2022
Energy Transfer
July 2024 (1)	Forward-starting to pay a fixed rate of 3.388% and receive a floating rate based on SOFR	$	—	$	400
USAC
December 2025	Pay a fixed rate of 3.9725% and receive a floating rate based on SOFR	700		—

(1)The July 2024 interest rate swaps were terminated and settled in August 2023.

Credit Risk and Customers

Credit risk refers to the risk that a counterparty may default on its contractual obligations resulting in a loss to the Partnership. Credit policies have been approved and implemented to govern the Partnership’s portfolio of counterparties with the objective of mitigating credit losses. These policies establish guidelines, controls and limits to manage credit risk within approved tolerances by mandating an appropriate evaluation of the financial condition of existing and potential counterparties, monitoring agency credit ratings and by implementing credit practices that limit exposure according to the risk profiles of the counterparties. Furthermore, the Partnership may, at times, require collateral under certain circumstances to mitigate credit risk as necessary. The Partnership also uses industry standard commercial agreements which allow for the netting of exposures associated with transactions executed under a single commercial agreement. Additionally, we utilize master netting agreements to offset credit exposure across multiple commercial agreements with a single counterparty or affiliated group of counterparties.

Our natural gas transportation and midstream revenues are derived significantly from companies that engage in exploration and production activities. In addition to oil and gas producers, the Partnership’s counterparties consist of a diverse portfolio of customers across the energy industry, including petrochemical companies, commercial and industrial end-users, municipalities, gas and electric utilities, midstream companies and independent power generators. Our overall exposure may be affected positively or negatively by macroeconomic or regulatory changes that impact our counterparties to one extent or another. Currently, management does not anticipate a material adverse effect in our financial position or results of operations as a consequence of counterparty non-performance.

The Partnership has maintenance margin deposits with certain counterparties in the OTC market, primarily with independent system operators and with clearing brokers. Payments on margin deposits are required when the value of a derivative exceeds our pre-established credit limit with the counterparty. Margin deposits are returned to us on or about the settlement date for non-exchange traded derivatives, and we exchange margin calls on a daily basis for exchange traded transactions. Since the margin calls are made daily with the exchange brokers, the fair value of the financial derivative instruments are deemed current and netted in deposits paid to vendors within other current assets in the consolidated balance sheets.

For financial instruments, failure of a counterparty to perform on a contract could result in our inability to realize amounts that have been recorded on our consolidated balance sheets and recognized in net income or other comprehensive income.

Derivative Summary

The following table provides a summary of our derivative assets and liabilities:

	Fair Value of Derivative Instruments
	Asset Derivatives				Liability Derivatives
	December 31, 2023		December 31, 2022		December 31, 2023		December 31, 2022
Derivatives designated as hedging instruments:
Commodity derivatives (margin deposits)	$	51	$	87	$	(6)	$	(7)
	51		87		(6)		(7)
Derivatives not designated as hedging instruments:
Commodity derivatives (margin deposits)	427		506		(374)		(411)
Commodity derivatives	132		95		(80)		(108)
Interest rate derivatives	6		—		(4)		(23)
	565		601		(458)		(542)
Total derivatives	$	616	$	688	$	(464)	$	(549)

The following table presents the fair value of our recognized derivative assets and liabilities on a gross basis and amounts offset on the consolidated balance sheets that are subject to enforceable master netting arrangements or similar arrangements:

		Asset Derivatives				Liability Derivatives
	Balance Sheet Location	December 31, 2023		December 31, 2022		December 31, 2023		December 31, 2022
Derivatives without offsetting agreements	Derivative assets (liabilities)	$	6	$	—	$	(4)	$	(23)
Derivatives in offsetting agreements:
OTC contracts	Derivative assets (liabilities)	132		95		(80)		(108)
Broker cleared derivative contracts	Other current assets (liabilities)	478		593		(380)		(418)
		616		688		(464)		(549)
Offsetting agreements:
Counterparty netting	Derivative assets (liabilities)	(72)		(85)		72		85
Counterparty netting	Other current assets (liabilities)	(368)		(359)		368		359
Total net derivatives		$	176	$	244	$	(24)	$	(105)

We disclose the non-exchange traded financial derivative instruments as derivative assets and liabilities on our consolidated balance sheets at fair value with amounts classified as either current or long-term depending on the anticipated settlement.

The following tables summarize the amounts recognized with respect to our derivative financial instruments:

	Location of Gain (Loss) Recognized in Income on Derivatives	Amount of Gain (Loss) Recognized in Income on Derivatives
		Years Ended December 31,
		2023		2022		2021
Derivatives not designated as hedging instruments:
Commodity derivatives – Trading	Cost of products sold	$	7	$	83	$	(6)
Commodity derivatives – Non-trading	Cost of products sold	40		41		(141)
Interest rate derivatives	Gains (losses) on interest rate derivatives	36		293		61
Total		$	83	$	417	$	(86)

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Retirement Benefits

12 Months Ended

Dec. 31, 2023

Retirement Benefits [Abstract]

Retirement Benefits

RETIREMENT BENEFITS:

Savings and Profit Sharing Plans

We and our subsidiaries sponsor defined contribution savings and profit sharing plans, which collectively cover virtually all eligible employees, including those of Sunoco LP and USAC. Employer matching contributions are calculated using a formula based on employee contributions. We and our subsidiaries made matching contributions of $86 million, $79 million and $65 million to these 401(k) savings plans for the years ended December 31, 2023, 2022 and 2021, respectively.

Pension and Other Postretirement Benefit Plans

Certain of the Partnership’s subsidiaries sponsor pension and/or other postretirement benefit plans that provide benefits to a defined group of retirees. The following table contains information at the dates indicated about the obligations and funded status of pension and other postretirement plans on a combined basis:

	December 31, 2023						December 31, 2022
	Pension Benefits						Pension Benefits
	Funded Plans		Unfunded Plans		Other Postretirement Benefits		Funded Plans		Unfunded Plans		Other Postretirement Benefits
Change in benefit obligation:
Benefit obligation at beginning of period	$	22	$	19	$	148	$	50	$	26	$	195
Service cost	—		—		—		—		—		1
Interest cost	1		1		6		1		1		4
Benefits paid, net	(1)		(3)		(13)		(1)		(3)		(14)
Actuarial gain and other	1		—		(3)		(8)		(3)		(38)
Energy Transfer Canada sale	—		—		—		(20)		(2)		—
Benefit obligation at end of period	23		17		138		22		19		148
Change in plan assets:
Fair value of plan assets at beginning of period	20		—		259		44		—		311
Return on plan assets and other	2		—		29		(4)		—		(41)
Employer contributions	1		—		2		1		—		3
Benefits paid, net	(1)		—		(13)		(1)		—		(14)
Energy Transfer Canada sale	—		—		—		(20)		—		—
Fair value of plan assets at end of period	22		—		277		20		—		259
Amount underfunded (overfunded) at end of period	$	1	$	17	$	(139)	$	2	$	19	$	(111)
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	$	—	$	—	$	155	$	—	$	—	$	127
Current liabilities	—		(3)		(2)		—		(3)		(2)
Non-current liabilities	(1)		(14)		(14)		(2)		(16)		(14)
	$	(1)	$	(17)	$	139	$	(2)	$	(19)	$	111
Amounts recognized in accumulated other comprehensive income (pre-tax basis) consist of:
Net actuarial gain (loss)	$	—	$	(2)	$	(12)	$	—	$	(2)	$	5
Prior service credit	—		—		(3)		—		—		(3)
	$	—	$	(2)	$	(15)	$	—	$	(2)	$	2

The following table summarizes information at the dates indicated for plans with an accumulated benefit obligation in excess of plan assets:

	December 31, 2023						December 31, 2022
	Pension Benefits						Pension Benefits
	Funded Plans		Unfunded Plans		Other Postretirement Benefits		Funded Plans		Unfunded Plans		Other Postretirement Benefits
Projected benefit obligation	$	23	$	15	N/A		$	22	$	19	N/A
Accumulated benefit obligation	23		17		$	138	22		19		$	148
Fair value of plan assets	22		—		277		20		—		259

Components of Net Periodic Benefit Cost

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Net periodic benefit cost:
Service cost	$	—	$	—	$	—	$	1
Interest cost	1		6		2		4
Expected return on plan assets	(1)		(12)		(2)		(11)
Prior service cost amortization	—		2		—		19
Actuarial gain amortization	—		(1)		—		—
Net periodic benefit cost	$	—	$	(5)	$	—	$	13

Assumptions

The weighted-average assumptions used in determining benefit obligations at the dates indicated are shown in the following table:

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Discount rate	2.70	%	4.62	%	5.00	%	2.46	%

The weighted-average assumptions used in determining net periodic benefit cost for the periods presented are shown in the following table:

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Discount rate	2.70	%	4.93	%	2.70	%	2.58	%
Expected return on assets:
Tax exempt accounts	7.00	%	7.00	%	7.00	%	7.00	%
Taxable accounts	—		4.75	%	—		4.75	%

The long-term expected rate of return on plan assets was estimated based on a variety of factors including the historical investment return achieved over a long-term period, the targeted allocation of plan assets and expectations concerning future returns in the marketplace for both equity and fixed income securities. Current market factors such as inflation and interest rates are evaluated before long-term market assumptions are determined. Peer data and historical returns are reviewed to ensure reasonableness and appropriateness.

The assumed health care cost trend weighted-average rates used to measure the expected cost of benefits covered by the plans are shown in the following table:

	December 31,
	2023		2022
Health care cost trend rate	7.42	%	7.48	%
Rate to which the cost trend is assumed to decline (the ultimate trend rate)	5.17	%	5.18	%
Year that the rate reaches the ultimate trend rate	2031		2030

Changes in the health care cost trend rate assumptions are not expected to have a significant impact on postretirement benefits.

Plan Assets

The fair value of the pension plan assets by asset category at the dates indicated is as follows:

			Fair Value Measurements at December 31, 2023
	Fair Value Total		Level 1		Level 2		Level 3
Asset Category:
Cash and cash equivalents	$	2	$	2	$	—	$	—
Mutual funds (1)	20		20		—		—
Total	$	22	$	22	$	—	$	—

(1)Comprised of approximately 100% equities as of December 31, 2023.

			Fair Value Measurements at December 31, 2022
	Fair Value Total		Level 1		Level 2		Level 3
Asset Category:
Cash and cash equivalents	$	2	$	2	$	—	$	—
Mutual funds (1)	18		18		—		—
Total	$	20	$	20	$	—	$	—

(1)Comprised of approximately 100% equities as of December 31, 2022.

The fair value of other postretirement plan assets by asset category at the dates indicated is as follows:

			Fair Value Measurements at December 31, 2023
	Fair Value Total		Level 1		Level 2		Level 3
Asset category:
Cash and cash equivalents	$	13	$	13	$	—	$	—
Mutual funds(1)	166		166		—		—
Fixed income securities	98		—		98		—
Total	$	277	$	179	$	98	$	—

(1)Primarily composed of market index funds as of December 31, 2023.

			Fair Value Measurements at December 31, 2022
	Fair Value Total		Level 1		Level 2		Level 3
Asset category:
Cash and cash equivalents	$	19	$	19	$	—	$	—
Mutual funds(1)	146		146		—		—
Fixed income securities	94		—		94		—
Total	$	259	$	165	$	94	$	—

(1)Primarily composed of market index funds as of December 31, 2022.

The Level 1 plan assets are valued based on active market quotes. The Level 2 plan assets are valued based on the net asset value per share (or its equivalent) of the investments, which was not determinable through publicly published sources but was calculated consistent with authoritative accounting guidelines. 

Contributions

We expect to contribute $3 million to pension plans and $1 million to other postretirement plans in 2024. The cost of the plans are funded in accordance with federal regulations, not to exceed the amounts deductible for income tax purposes.

Benefit Payments

The Partnership’s estimate of expected benefit payments, which reflect expected future service, as appropriate, in each of the next five years and in the aggregate for the five years thereafter are shown in the following table:

	Pension Benefits - Funded Plans		Pension Benefits - Unfunded Plans		Other Postretirement Benefits (Gross, Before Medicare Part D)
2024	$	1	$	3	$	14
2025	1		3		14
2026	1		2		13
2027	1		2		12
2028	1		2		32
2029 – 2033	7		5		23

The Medicare Prescription Drug Act provides for a prescription drug benefit under Medicare (“Medicare Part D”) as well as a federal subsidy to sponsors of retiree health care benefit plans that provide a prescription drug benefit that is at least actuarially equivalent to Medicare Part D.

The Partnership does not expect to receive any Medicare Part D subsidies in any future periods.

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Reportable Segments

12 Months Ended

Dec. 31, 2023

Reportable Segments [Abstract]

Reportable Segments

REPORTABLE SEGMENTS:

Our reportable segments currently reflect the following segments, which conduct their business primarily in the United States:

•intrastate transportation and storage;

•interstate transportation and storage;

•midstream;

•NGL and refined products transportation and services;

•crude oil transportation and services;

•investment in Sunoco LP;

•investment in USAC; and

•all other.

Consolidated revenues and expenses reflect the elimination of all material intercompany transactions.

Revenues from our intrastate transportation and storage segment are primarily reflected in natural gas sales and gathering, transportation and other fees. Revenues from our interstate transportation and storage segment are primarily reflected in gathering, transportation and other fees. Revenues from our midstream segment are primarily reflected in natural gas sales, NGL sales and gathering, transportation and other fees. Revenues from our NGL and refined products transportation and services segment are primarily reflected in NGL sales and gathering, transportation and other fees. Revenues from our crude oil transportation and services segment are reflected in crude sales and gathering, transportation and other fees. Revenues from our investment in Sunoco LP segment are primarily reflected in refined product sales. Revenues from our investment in USAC segment are primarily reflected in gathering, transportation and other fees. Revenues from our all other segment are primarily reflected in natural gas sales.

We report Segment Adjusted EBITDA as a measure of segment performance. We define Segment Adjusted EBITDA as total Partnership earnings before interest, taxes, depreciation, depletion, amortization and other non-cash items, such as

non-cash compensation expense, gains and losses on disposals of assets, the allowance for equity funds used during construction, unrealized gains and losses on commodity risk management activities, inventory valuation adjustments, non-cash impairment charges, losses on extinguishments of debt and other non-operating income or expense items, as well as certain non-recurring gains and losses. Inventory adjustments that are excluded from the calculation of Adjusted EBITDA represent only the changes in lower of cost or market reserves on inventory that is carried at LIFO. These amounts are unrealized valuation adjustments applied to Sunoco LP’s fuel volumes remaining in inventory at the end of the period. Segment Adjusted EBITDA reflect amounts for unconsolidated affiliates based on the same recognition and measurement methods used to record equity in earnings of unconsolidated affiliates. Adjusted EBITDA related to unconsolidated affiliates excludes the same items with respect to the unconsolidated affiliate as those excluded from the calculation of Segment Adjusted EBITDA and consolidated Adjusted EBITDA, such as interest, taxes, depreciation, depletion, amortization and other non-cash items. Although these amounts are excluded from Adjusted EBITDA related to unconsolidated affiliates, such exclusion should not be understood to imply that we have control over the operations and resulting revenues and expenses of such affiliates. We do not control our unconsolidated affiliates; therefore, we do not control the earnings or cash flows of such affiliates. The use of Segment Adjusted EBITDA or Adjusted EBITDA related to unconsolidated affiliates as an analytical tool should be limited accordingly.

The following tables present financial information by segment:

	Years Ended December 31,
	2023		2022		2021
Revenues:
Intrastate transportation and storage:
Revenues from external customers	$	3,222	$	6,954	$	7,307
Intersegment revenues	740		864		1,264
	3,962		7,818		8,571
Interstate transportation and storage:
Revenues from external customers	2,328		2,185		1,802
Intersegment revenues	47		66		39
	2,375		2,251		1,841
Midstream:
Revenues from external customers	2,911		4,114		2,620
Intersegment revenues	7,495		12,987		8,696
	10,406		17,101		11,316
NGL and refined products transportation and services:
Revenues from external customers	18,413		21,414		16,989
Intersegment revenues	3,490		4,243		2,972
	21,903		25,657		19,961
Crude oil transportation and services:
Revenues from external customers	26,534		25,980		17,442
Intersegment revenues	2		2		4
	26,536		25,982		17,446
Investment in Sunoco LP:
Revenues from external customers	23,026		25,677		17,571
Intersegment revenues	42		52		25
	23,068		25,729		17,596
Investment in USAC:
Revenues from external customers	824		689		621
Intersegment revenues	22		16		12
	846		705		633
All other:
Revenues from external customers	1,328		2,863		3,065
Intersegment revenues	470		711		411
	1,798		3,574		3,476
Eliminations	(12,308)		(18,941)		(13,423)
Total revenues	$	78,586	$	89,876	$	67,417

	Years Ended December 31,
	2023		2022		2021
Cost of products sold:
Intrastate transportation and storage	$	2,616	$	6,000	$	4,769
Interstate transportation and storage	6		25		11
Midstream	6,503		12,682		8,569
NGL and refined products transportation and services	17,049		21,656		16,248
Crude oil transportation and services	23,071		22,917		14,759
Investment in Sunoco LP	21,703		24,350		16,246
Investment in USAC	137		111		85
All other	1,740		3,328		3,068
Eliminations	(12,284)		(18,837)		(13,360)
Total cost of products sold	$	60,541	$	72,232	$	50,395

	Years Ended December 31,
	2023		2022		2021
Depreciation, depletion and amortization:
Intrastate transportation and storage	$	214	$	209	$	191
Interstate transportation and storage	563		513		457
Midstream	1,451		1,351		1,190
NGL and refined products transportation and services	915		865		778
Crude oil transportation and services	740		663		588
Investment in Sunoco LP	187		193		177
Investment in USAC	246		237		239
All other	69		133		197
Total depreciation, depletion and amortization	$	4,385	$	4,164	$	3,817

	Years Ended December 31,
	2023		2022		2021
Equity in earnings (losses) of unconsolidated affiliates:
Intrastate transportation and storage	$	17	$	17	$	20
Interstate transportation and storage	260		175		140
Midstream	15		19		24
NGL and refined products transportation and services	76		44		51
Crude oil transportation and services	11		(2)		10
All other	4		4		1
Total equity in earnings of unconsolidated affiliates	$	383	$	257	$	246

	Years Ended December 31,
	2023		2022		2021
Segment Adjusted EBITDA:
Intrastate transportation and storage	$	1,111	$	1,396	$	3,483
Interstate transportation and storage	2,009		1,753		1,515
Midstream	2,525		3,210		1,868
NGL and refined products transportation and services	3,894		3,025		2,828
Crude oil transportation and services	2,681		2,187		2,023
Investment in Sunoco LP	964		919		754
Investment in USAC	512		426		398
All Other	2		177		177
Adjusted EBITDA (consolidated)	$	13,698	$	13,093	$	13,046

	Years Ended December 31,
	2023		2022		2021
Reconciliation of net income to Adjusted EBITDA:
Net income	$	5,294	$	5,868	$	6,687
Depreciation, depletion and amortization	4,385		4,164		3,817
Interest expense, net of interest capitalized	2,578		2,306		2,267
Income tax expense	303		204		184
Impairment losses and other	12		386		21
Gains on interest rate derivatives	(36)		(293)		(61)
Non-cash compensation expense	130		115		111
Unrealized gains on commodity risk management activities	(3)		(42)		(162)
Inventory valuation adjustments	114		(5)		(190)
(Gains) losses on extinguishments of debt	(2)		—		38
Adjusted EBITDA related to unconsolidated affiliates	691		565		523
Equity in earnings of unconsolidated affiliates	(383)		(257)		(246)
Non-operating litigation-related loss	627		—		—
Other, net	(12)		82		57
Adjusted EBITDA (consolidated)	$	13,698	$	13,093	$	13,046

	December 31,
	2023		2022		2021
Segment assets:
Intrastate transportation and storage	$	6,112	$	6,609	$	7,322
Interstate transportation and storage	17,708		17,979		17,774
Midstream	25,592		21,851		21,960
NGL and refined products transportation and services	27,214		27,903		28,160
Crude oil transportation and services	25,464		19,200		19,649
Investment in Sunoco LP	6,826		6,830		5,815
Investment in USAC	2,737		2,666		2,768
All other and eliminations	2,045		2,605		2,515
Total segment assets	$	113,698	$	105,643	$	105,963

	Years Ended December 31,
	2023		2022		2021
Additions to property, plant and equipment (1):
Intrastate transportation and storage	$	93	$	179	$	52
Interstate transportation and storage	383		644		159
Midstream	832		1,004		484
NGL and refined products transportation and services	679		507		751
Crude oil transportation and services	266		246		343
Investment in Sunoco LP	215		186		174
Investment in USAC	300		169		60
All other	100		91		135
Total additions to property, plant and equipment (1)	$	2,868	$	3,026	$	2,158

(1)Amounts are presented on the accrual basis, net of contributions in aid of constructions costs. Amounts exclude acquisitions and include only the Partnership’s proportionate share of capital expenditures related to joint ventures.

	December 31,
	2023		2022		2021
Investments in unconsolidated affiliates:
Intrastate transportation and storage	$	144	$	139	$	110
Interstate transportation and storage	2,179		2,201		2,209
Midstream	141		54		101
NGL and refined products transportation and services	390		398		457
Crude oil transportation and services	187		48		19
All other	56		53		51
Total investments in unconsolidated affiliates	$	3,097	$	2,893	$	2,947

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Pay vs Performance Disclosure - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pay vs Performance Disclosure
NET INCOME ATTRIBUTABLE TO PARTNERS	$ 3,935	$ 4,756	$ 5,470

XML

Insider Trading Arrangements	12 Months Ended
	Dec. 31, 2023
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

XML

Operations And Organization Operations and Organization (Policies)	12 Months Ended
	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Accounting, Policy [Policy Text Block]	The consolidated financial statements of Energy Transfer LP presented herein have been prepared in accordance with GAAP and pursuant to the rules and regulations of the SEC. We consolidate all majority-owned subsidiaries and limited partnerships, which we control as the general partner or owner of the general partner. All significant intercompany transactions and accounts are eliminated in consolidation.

XML

Estimates, Significant Accounting Policies and Balance Sheet Detail (Policy)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the accrual for and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.

The natural gas industry conducts its business by processing actual transactions at the end of the month following the month of delivery. Consequently, the most current month’s financial results for the midstream, NGL and intrastate transportation and storage operations are estimated using volume estimates and market prices. Any differences between estimated results and actual results are recognized in the following month’s financial statements. Management believes that the estimated operating results represent the actual results in all material respects.

Some of the other significant estimates made by management include, but are not limited to, the timing of certain forecasted transactions that are hedged, the fair value of derivative instruments, useful lives for depreciation and amortization, purchase accounting allocations and subsequent realizability of intangible assets, fair value measurements used in the goodwill impairment test, market value of inventory, assets and liabilities resulting from the regulated ratemaking process, contingency reserves and environmental reserves. Actual results could differ from those estimates.

Regulatory Accounting - Regulatory Assets and Liabilities

Regulatory Accounting – Regulatory Assets and Liabilities

Our interstate transportation and storage segment is subject to regulation by certain state and federal authorities, and certain subsidiaries in that segment have accounting policies that conform to the accounting requirements and ratemaking practices of the regulatory authorities, in accordance with Accounting Standards Codification (“ASC”) Topic 980. The application of these accounting policies allows certain of our regulated entities to defer expenses and revenues on the balance sheet as regulatory assets and liabilities when it is probable that those expenses and revenues will be allowed in the ratemaking process in a period different from the period in which they would have been reflected in the consolidated statement of operations by an unregulated company. These deferred assets and liabilities will be reported in results of operations in the period in which the same amounts are included in rates and recovered from or refunded to customers. Management’s assessment of the probability of recovery or pass through of regulatory assets and liabilities will require judgment and interpretation of laws and regulatory commission orders. If, for any reason, we cease to meet the criteria for application of regulatory accounting treatment under ASC Topic 980 for these entities, the regulatory assets and liabilities related to those portions ceasing to meet such criteria would be eliminated from the consolidated balance sheet for the period in which the discontinuance of regulatory accounting treatment occurs.

Although Panhandle’s natural gas transmission systems and storage operations are subject to the jurisdiction of the FERC in accordance with the NGA and NGPA, Panhandle does not currently apply ASC Topic 980 in its GAAP-basis consolidated financial statements, primarily due to the level of discounting from tariff rates and its inability to recover specific costs.

Cash, Cash Equivalents and Supplemental Cash Flow Information

Cash, Cash Equivalents and Supplemental Cash Flow Information

Cash and cash equivalents include all cash on hand, demand deposits and investments with original maturities of three months or less. We consider cash equivalents to include short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value.

We place our cash deposits and temporary cash investments with high credit quality financial institutions. At times, our cash and cash equivalents may be uninsured or in deposit accounts that exceed the Federal Deposit Insurance Corporation insurance limit.

Accounts Receivable

Accounts Receivable, net

Our operations deal with a variety of counterparties across the energy sector. Internal credit ratings and credit limits are assigned to all counterparties and limits are monitored against credit exposure. Letters of credit or prepayments may be required from those counterparties that are not investment grade depending on the internal credit rating and level of commercial activity with the counterparty.

We have a diverse portfolio of customers; however, because of the midstream and transportation services we provide, many of our customers are engaged in the exploration and production sector. We manage trade credit risk to mitigate credit losses and exposure to uncollectible trade receivables. Prospective and existing customers are reviewed regularly for creditworthiness to manage credit risk within approved tolerances. Customers that do not meet minimum credit standards are required to provide additional credit support in the form of a letter of credit, prepayment, or other forms of security. We establish an allowance for credit losses on trade receivables based on the expected ultimate recovery of these receivables and consider many factors including historical customer collection experience, general and specific economic trends, and known specific issues related to individual customers, sectors, and transactions that might impact collectability. Changes in the allowance are recorded as a component of operating expenses; reductions in the allowance are recorded when receivables are subsequently collected or written-off. Past due receivable balances are written-off when our efforts have been unsuccessful in collecting the amount due.

Inventories

Inventories

Inventories consist principally of natural gas held in storage, NGLs and refined products, crude oil and spare parts, all of which are valued at the lower of cost or net realizable value utilizing the weighted-average cost method.

Sunoco LP’s fuel inventories are stated at the lower of cost or market using the last-in-first-out (“LIFO”) method. As of December 31, 2023 and 2022, Sunoco LP’s fuel inventory balance included lower of cost or market reserves of $230 million and $116 million, respectively. For the years ended December 31, 2023, 2022 and 2021, the Partnership’s consolidated statements of operations and comprehensive income did not include any material amounts of income from the liquidation of Sunoco LP’s LIFO fuel inventory. For the years ended December 31, 2023, 2022 and 2021, the Partnership’s cost of products sold included an unfavorable inventory adjustment of $114 million, a favorable inventory adjustment of $5 million and a favorable inventory adjustment of $190 million, respectively, related to Sunoco LP’s LIFO inventory.

The Partnership’s inventories consisted of the following:

	December 31,
	2023		2022
Natural gas, NGLs and refined products	$	1,658	$	1,802
Crude oil	258		246
Spare parts and other	562		413
Total inventories	$	2,478	$	2,461

We utilize commodity derivatives to manage price volatility associated with our natural gas inventory. Changes in fair value of designated hedged inventory are recorded in inventory on our consolidated balance sheets and cost of products sold in our consolidated statements of operations.

Property, Plant and Equipment

Property, Plant and Equipment, net

Property, plant and equipment is stated at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful or FERC-mandated lives of the assets, if applicable. Expenditures for maintenance and repairs that do not add capacity or extend the useful life are expensed as incurred. Expenditures to refurbish assets that either extend the useful lives of the asset or prevent environmental contamination are capitalized and depreciated over the remaining useful life of the asset. Additionally, we capitalize certain costs directly related to the construction of assets including internal labor costs, interest and engineering costs. Upon disposition or retirement of pipeline components or natural gas plant components, any gain or loss is recorded to accumulated depreciation. When entire pipeline systems, gas plants or other property and equipment is retired or sold, any gain or loss is included in our consolidated statements of operations.

Property, plant and equipment is reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. If such a review should indicate that the carrying amount of long-lived assets is not recoverable, we reduce the carrying amount of such assets to fair value.

For the years ended December 31 2023, 2022 and 2021, USAC recognized fixed asset impairments of $12 million, $1 million and $5 million, respectively, related to its compression equipment as a result of its evaluation of the future deployment of idle fleet.

Capitalized interest is included for pipeline construction projects, except for certain interstate projects for which an allowance for funds used during construction (“AFUDC”) is accrued. Interest is capitalized based on the current borrowing rate of our revolving credit facilities when the related costs are incurred. AFUDC is calculated under guidelines prescribed

by the FERC and capitalized as part of the cost of utility plant for interstate projects. It represents the cost of servicing the capital invested in construction work-in-process. AFUDC is segregated into two component parts – borrowed funds and equity funds.

Other Non-Current Assets, net

Other non-current assets, net are stated at cost less accumulated amortization.

Intangible Assets

Intangible Assets, net

Intangible assets are stated at cost, net of amortization computed on the straight-line method. The Partnership removes the gross carrying amount and the related accumulated amortization for any fully amortized intangibles in the year they are fully amortized.

Components and useful lives of intangible assets were as follows: 

	December 31, 2023				December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizable intangible assets:
Customer relationships, contracts and agreements (3 to 46 years)	$	9,098	$	(3,196)	$	7,884	$	(2,807)
Patents (10 years)	48		(48)		48		(48)
Trade names (20 years)	66		(44)		66		(41)
Other (5 to 20 years)	12		(11)		12		(13)
Total amortizable intangible assets	9,224		(3,299)		8,010		(2,909)
Non-amortizable intangible assets:
Trademarks	302		—		302		—
Other	12		—		12		—
Total non-amortizable intangible assets	314		—		314		—
Total intangible assets	$	9,538	$	(3,299)	$	8,324	$	(2,909)

Aggregate amortization expense of intangible assets was as follows:

	Years Ended December 31,
	2023		2022		2021
Reported in depreciation, depletion and amortization expense	$	399	$	390	$	352

Estimated aggregate amortization of intangible assets for the next five years is as follows:

Years Ending December 31:
2024	$	434
2025	423
2026	417
2027	400
2028	397

We review amortizable intangible assets for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. If such a review should indicate that the carrying amount of amortizable intangible assets is not recoverable, we reduce the carrying amount of such assets to fair value. We review non-amortizable intangible assets for impairment annually, or more frequently if circumstances dictate.

Goodwill

Goodwill

Goodwill is tested for impairment annually or more frequently if circumstances indicate that goodwill might be impaired. The annual impairment test was performed during the fourth quarter.

Changes in the carrying amount of goodwill were as follows:

	Intrastate Transportation and Storage		Interstate Transportation and Storage		Midstream		NGL and Refined Products Transportation and Services		Crude Oil Transportation and Services		Investment in Sunoco LP		Investment in USAC		All Other		Total
Balance, December 31, 2021	$	—	$	—	$	—	$	693	$	190	$	1,568	$	—	$	82	$	2,533
Acquired	—		—		—		—		—		33		—		—		33
Balance, December 31, 2022	—		—		—		693		190		1,601		—		82		2,566
Acquired	—		—		601		191		663		—		—		—		1,455
Other	—		—		—		—		—		(2)		—		—		(2)
Balance, December 31, 2023	$	—	$	—	$	601	$	884	$	853	$	1,599	$	—	$	82	$	4,019

Goodwill is recorded at the acquisition date based on a preliminary purchase price allocation and generally may be adjusted when the purchase price allocation is finalized. During the fourth quarter of 2023, $1.46 billion of goodwill was recorded in conjunction with the acquisition of Crestwood, which is not expected to be deductible for tax purposes. In 2022, Sunoco LP recorded $33 million of goodwill in conjunction with its acquisitions.

The Partnership determines the fair value of our reporting units using the discounted cash flow method, the guideline company method, or a weighted combination of the discounted cash flow method and the guideline company method. Determining the fair value of a reporting unit requires judgment and the use of significant estimates and assumptions. Such estimates and assumptions include revenue growth rates, operating margins, weighted average costs of capital and future market conditions, among others. The Partnership believes the estimates and assumptions used in our impairment assessments are reasonable and based on available market information, but variations in any of the assumptions could result in materially different calculations of fair value and determinations of whether or not an impairment is indicated. Under the discounted cash flow method, the Partnership determines fair value based on estimated future cash flows of each reporting unit including estimates for capital expenditures, discounted to present value using the risk-adjusted industry rate, which reflect the overall level of inherent risk of the reporting unit. Cash flow projections are derived from one year budgeted amounts and five year operating forecasts plus an estimate of later period cash flows, all of which are evaluated by management. Subsequent period cash flows are developed for each reporting unit using growth rates that management believes are reasonably likely to occur. Under the guideline company method, the Partnership determines the estimated fair value of each of our reporting units by applying valuation multiples of comparable publicly-traded companies to each reporting unit’s projected EBITDA and then averaging that estimate with similar historical calculations using a three year average. In addition, the Partnership estimates a reasonable control premium representing the incremental value that accrues to the majority owner from the opportunity to dictate the strategic and operational actions of the business. The fair value estimates used in the long-lived asset and goodwill tests were primarily based on Level 3 inputs of the fair value hierarchy.

Management does not believe that any of the goodwill balances in its reporting units is currently at significant risk of impairment; however, of the $4.02 billion of goodwill on the Partnership’s consolidated balance sheet as of December 31, 2023, approximately $368 million is recorded in reporting units for which the estimated fair value exceeded the carrying value by approximately 20% or less in the most recent quantitative test.

Asset Retirement Obligation

Asset Retirement Obligations

We have determined that we are obligated by contractual or regulatory requirements to remove facilities or perform other remediation upon retirement of certain assets. The fair value of any ARO is determined based on estimates and assumptions related to retirement costs, which the Partnership bases on historical retirement costs, future inflation rates and credit-adjusted risk-free interest rates. These fair value assessments are considered to be Level 3 measurements, as they are based on both observable and unobservable inputs. Changes in the liability are recorded for the passage of time (accretion) or for revisions to cash flows originally estimated to settle the ARO.

An ARO is required to be recorded when a legal obligation to retire an asset exists and such obligation can be reasonably estimated. We will record an ARO in the periods in which management can reasonably estimate the settlement dates.

As of December 31, 2023 and 2022, other non-current liabilities in the Partnership’s consolidated balance sheets included AROs of $410 million and $362 million, respectively. For the years ended December 31, 2023, 2022 and 2021 aggregate accretion expense related to AROs was $10 million, $4 million and $12 million, respectively.

Except for the AROs discussed above, management was not able to reasonably measure the fair value of AROs as of December 31, 2023 and 2022, in most cases because the settlement dates were indeterminable. Although a number of onshore assets in our systems are subject to agreements or regulations that give rise to an ARO upon discontinued use of these assets, AROs were not recorded because these assets have an indeterminate removal or abandonment date given the expected continued use of the assets with proper maintenance or replacement. Our subsidiaries also have legal obligations for several other assets at previously owned refineries, pipelines and terminals, for which it is not possible to estimate when the obligations will be settled. Consequently, the retirement obligations for these assets cannot be measured at this time. At the end of the useful life of these underlying assets, our subsidiaries are legally or contractually required to abandon in place or remove the asset. We believe we may have additional AROs related to pipeline assets and storage tanks, for which it is not possible to estimate whether or when the AROs will be settled. Consequently, these AROs cannot be measured at this time. Sunoco LP also has AROs related to the estimated future cost to remove underground storage tanks.

Individual component assets have been and will continue to be replaced, but the pipeline and the natural gas gathering and processing systems will continue in operation as long as supply and demand for natural gas exists. Based on the widespread use of natural gas in industrial and power generation activities, management expects supply and demand to exist for the

foreseeable future. We have in place a rigorous repair and maintenance program that keeps the pipelines and the natural gas gathering and processing systems in good working order. Therefore, although some of the individual assets may be replaced, the pipelines and the natural gas gathering and processing systems themselves will remain intact indefinitely.

Redeemable Noncontrolling Interest [Text Block]

Redeemable Noncontrolling Interests

Our redeemable noncontrolling interests relate to certain preferred unitholders of our consolidated subsidiaries that have the option to convert their preferred units to such subsidiary’s common units at the election of the holders and the noncontrolling interest holders in our consolidated subsidiaries that have the option to sell their interests to us. In accordance with applicable accounting guidance, the noncontrolling interest is excluded from total equity and reflected as redeemable noncontrolling interests on our consolidated balance sheets. See Note 7 for further information.

Environmental Costs, Policy [Policy Text Block]

Environmental Remediation

We accrue environmental remediation costs for work at identified sites where an assessment has indicated that cleanup costs are probable and reasonably estimable. Such accruals are undiscounted and are based on currently available information, estimated timing of remedial actions and related inflation assumptions, existing technology and presently enacted laws and regulations. If a range of probable environmental cleanup costs exists for an identified site, the minimum of the range is accrued unless some other point in the range is more likely in which case the most likely amount in the range is accrued.

Fair Value of Financial Instruments

Fair Value of Financial Instruments

The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable approximate their fair value.

We have commodity derivatives and interest rate derivatives that are accounted for as assets and liabilities at fair value in our consolidated balance sheets. We determine the fair value of our assets and liabilities subject to fair value measurement by using the highest possible “level” of inputs. Level 1 inputs are observable quotes in an active market for identical assets and liabilities. We consider the valuation of marketable securities and commodity derivatives transacted through a clearing broker with a published price from the appropriate exchange as a Level 1 valuation. Level 2 inputs are inputs observable for similar assets and liabilities. We consider OTC commodity derivatives entered into directly with third parties as a Level 2 valuation since the values of these derivatives are quoted on an exchange for similar transactions. Additionally, we consider our options transacted through our clearing broker as having Level 2 inputs due to the level of activity of these contracts on the exchange in which they trade. We consider the valuation of our interest rate derivatives as Level 2 as the primary input, the LIBOR or SOFR curve, is based on quotes from an active exchange of futures for the same period as the

future interest swap settlements. Level 3 inputs are unobservable. During the year ended December 31, 2023, no transfers were made between any levels within the fair value hierarchy.

Contributions In Aid Of Construction Costs Policy Text Block

Contributions in Aid of Construction Costs

On certain of our capital projects, third parties are obligated to reimburse us for all or a portion of project expenditures. The majority of such arrangements are associated with pipeline construction and production well tie-ins. Contributions in aid of construction costs (“CIAC”) are netted against our project costs as they are received.

Costs and Expenses

Costs and Expenses

Cost of products sold include actual cost of fuel sold, adjusted for the effects of our hedging and other commodity derivative activities, and the cost of appliances, parts and fittings. Operating expenses include all costs incurred to provide products to customers, including compensation for operations personnel, insurance costs, vehicle maintenance, advertising costs, purchasing costs and plant operations. Selling, general and administrative expenses include all partnership related expenses and compensation for executive, partnership and administrative personnel.

We record the collection of taxes to be remitted to government authorities on a net basis, except for consumer excise taxes collected by Sunoco LP on sales of refined products and merchandise which are included in both revenues and costs and expenses in the consolidated statements of operations, with no effect on net income. For the years ended December 31, 2023, 2022 and 2021, excise taxes collected by Sunoco LP were $274 million, $285 million and $332 million, respectively.

Issuances of Subsidiary Units

Issuances of Subsidiary Units

We record changes in our ownership interest of our subsidiaries as equity transactions, with no gain or loss recognized in consolidated net income or comprehensive income. For example, upon our subsidiary’s issuance of common units in a public offering, we record any difference between the amount of consideration received or paid and the amount by which the noncontrolling interests are adjusted as a change in partners’ capital.

Income Taxes

Income Taxes

Energy Transfer is a publicly traded limited partnership and is not taxable for federal and most state income tax purposes. As a result, our earnings or losses, to the extent not included in a taxable subsidiary, for federal and most state purposes are included in the tax returns of the individual partners. Net earnings for financial statement purposes may differ significantly from taxable income reportable to Unitholders as a result of differences between the tax basis and financial reporting basis of assets and liabilities, in addition to the allocation requirements related to taxable income under our Partnership Agreement. We do not have access to information regarding each partner’s individual tax basis in our limited partner interests.

As a publicly traded limited partnership, we are subject to a statutory requirement that our “qualifying income” (as defined by the Internal Revenue Code, related Treasury Regulations, and IRS pronouncements) exceed 90% of our total gross income, determined on a calendar year basis. If our qualifying income does not meet this statutory requirement, Energy Transfer would be taxed as a corporation for federal and state income tax purposes. For the years ended December 31, 2023, 2022 and 2021, our qualifying income met the statutory requirement.

The Partnership conducts certain activities through corporate subsidiaries which are subject to federal, state and local, and foreign income taxes. These corporate subsidiaries include ETP Holdco, Sunoco Retail LLC, and Aloha, among others. The Partnership and its corporate subsidiaries account for income taxes under the asset and liability method.

Under this method, deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured using enacted tax rates in effect for the year in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rate is recognized in earnings in the period that includes the enactment date. Valuation allowances are established when necessary to reduce deferred tax assets to the amounts more likely than not to be realized.

The determination of the provision for income taxes requires significant judgment, use of estimates, and the interpretation and application of complex tax laws. Significant judgment is required in assessing the timing and amounts of deductible and taxable items and the probability of sustaining uncertain tax positions. The benefits of uncertain tax positions are recorded in our consolidated financial statements only after determining a more-likely-than-not probability that the uncertain tax positions will withstand challenge, if any, from taxing authorities. When facts and circumstances change, we reassess these probabilities and record any changes through the provision for income taxes.

Accounting for Derivative Instruments and Hedging Activities

Accounting for Derivative Instruments and Hedging Activities

For qualifying hedges, we formally document, designate and assess the effectiveness of transactions that receive hedge accounting treatment and the gains and losses offset related results on the hedged item in the statement of operations. The market prices used to value our financial derivatives and related transactions have been determined using independent third-party prices, readily available market information, broker quotes and appropriate valuation techniques.

At inception of a hedge, we formally document the relationship between the hedging instrument and the hedged item, the risk management objectives, and the methods used for assessing and testing effectiveness and how any ineffectiveness will be measured and recorded. We also assess, both at the inception of the hedge and on a quarterly basis, whether the derivatives that are used in our hedging transactions are highly effective in offsetting changes in cash flows. If we determine that a derivative is no longer highly effective as a hedge, we discontinue hedge accounting prospectively by including changes in the fair value of the derivative in net income for the period.

If we designate a commodity hedging relationship as a fair value hedge, we record the changes in fair value of the hedged asset or liability in cost of products sold in our consolidated statements of operations. This amount is offset by the changes in fair value of the related hedging instrument. Any ineffective portion or amount excluded from the assessment of hedge ineffectiveness is also included in the cost of products sold in the consolidated statements of operations.

Cash flows from derivatives accounted for as cash flow hedges are reported as cash flows from operating activities, in the same category as the cash flows from the items being hedged.

If we designate a derivative financial instrument as a cash flow hedge and it qualifies for hedge accounting, the change in the fair value is deferred in AOCI until the underlying hedged transaction occurs. Any ineffective portion of a cash flow hedge’s change in fair value is recognized each period in earnings. Gains and losses deferred in AOCI related to cash flow hedges remain in AOCI until the underlying physical transaction occurs, unless it is probable that the forecasted transaction will not occur by the end of the originally specified time period or within an additional two-month period of time thereafter. For financial derivative instruments that do not qualify for hedge accounting, the change in fair value is recorded in cost of products sold in the consolidated statements of operations.

We manage a portion of our interest rate exposures by utilizing interest rate swaps and similar instruments. Certain of our interest rate derivatives are accounted for as either cash flow hedges or fair value hedges. For interest rate derivatives accounted for as either cash flow or fair value hedges, we report realized gains and losses and ineffectiveness portions of those hedges in interest expense. For interest rate derivatives not designated as hedges for accounting purposes, we report realized and unrealized gains and losses on those derivatives in “Gains (losses) on interest rate derivatives” in the consolidated statements of operations.

Share-based Payment Arrangement [Policy Text Block]

For awards of restricted units, we recognize compensation expense over the vesting period based on the grant-date fair value, which is determined based on the market price of the underlying common units on the grant date. For awards of cash restricted units, we remeasure the fair value of the award at the end of each reporting period based on the market price of the underlying common units as of the reporting date, and the fair value is recorded in other non-current liabilities on our consolidated balance sheets.

Pension and Other Postretirement Plans, Policy [Policy Text Block]

Pensions and Other Postretirement Benefit Plans

The Partnership recognizes the overfunded or underfunded status of defined benefit pension and other postretirement plans, measured as the difference between the fair value of the plan assets and the benefit obligation (the projected benefit obligation for pension plans and the accumulated postretirement benefit obligation for other postretirement plans). Each overfunded plan is recognized as an asset and each underfunded plan is recognized as a liability. Changes in the funded status of the plan are recorded in the year in which the change occurs within AOCI in equity or, for entities applying regulatory accounting, as a regulatory asset or regulatory liability.

Allocation of Income (Loss)

Allocation of Income

For purposes of maintaining partner capital accounts, the Partnership Agreement specifies that items of income and loss shall generally be allocated among the partners in accordance with their percentage interests.

Equity Method Investments Issuances, Policy

Investments in Unconsolidated Affiliates

We own interests in a number of related businesses that are accounted for by the equity method. In general, we use the equity method of accounting for an investment for which we exercise significant influence over, but do not control, the investee’s operating and financial policies. An impairment of an investment in an unconsolidated affiliate is recognized when circumstances indicate that a decline in the investment value is other than temporary.

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Revenue (Policies)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Disaggregation of revenue

The major types of revenue within our reportable segments are as follows:

•intrastate transportation and storage;

•interstate transportation and storage;

•midstream;

•NGL and refined products transportation and services;

•crude oil transportation and services;

•investment in Sunoco LP;

•fuel distribution and marketing;

•all other;

•investment in USAC;

•contract operations;

•retail parts and services; and

•all other.

Note 16 depicts the disaggregation of revenue by segment, with revenue amounts reflected in accordance with ASC Topic 606.

Intrastate transportation and storage revenue

Our intrastate transportation and storage segment’s revenues are determined primarily by the volume of capacity our customers reserve as well as the actual volume of natural gas that flows through the transportation pipelines or that is injected or withdrawn into or out of our storage facilities. Firm transportation and storage contracts require customers to pay certain minimum fixed fees regardless of the volume of commodity they transport or store. These contracts typically include a variable incremental charge based on the actual volume of transportation commodity throughput or stored commodity injected/withdrawn. Under interruptible transportation and storage contracts, customers are not required to pay

any fixed minimum amounts, but are instead billed based on actual volume of commodity they transport across our pipelines or inject/withdraw into or out of our storage facilities. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of service, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Our intrastate transportation and storage segment also generates revenues and margin from the sale of natural gas to electric utilities, independent power plants, local distribution companies, industrial end-users and other marketing companies on the HPL System. Generally, we purchase natural gas from the market, including purchases from our marketing operations, and from producers at the wellhead.

Interstate transportation and storage revenue

Our interstate transportation and storage segment’s revenues are determined primarily by the amount of capacity our customers reserve as well as the actual volume of natural gas that flows through the transportation pipelines or that is injected into or withdrawn out of our storage facilities. Our interstate transportation and storage segment’s contracts can be firm or interruptible. Firm transportation and storage contracts require customers to pay certain minimum fixed fees regardless of the volume of commodity transported or stored. In exchange for such fees, we must stand ready to perform a contractually agreed-upon minimum volume of services whenever the customer requests such services. These contracts typically include a variable incremental charge based on the actual volume of transportation commodity throughput or stored commodity injected or withdrawn. Under interruptible transportation and storage contracts, customers are not required to pay any fixed minimum amounts, but are instead billed based on actual volume of commodity they transport across our pipelines or inject into or withdraw out of our storage facilities. Consequently, we are not required to stand ready to provide any contractually agreed-upon volume of service, but instead provides the services based on existing capacity at the time the customer requests the services. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of services, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Lake Charles LNG’s revenues are primarily derived from terminalling services for shippers by receiving LNG at the facility for storage and delivering such LNG to shippers, either in liquid state or gaseous state after regasification. Lake Charles LNG derives all of its revenue from a series of long-term contracts with a wholly owned subsidiary of Royal Dutch Shell plc (“Shell”). Terminalling revenue is generated from fees paid by Shell for storage and other associated services at the terminal. Payment for services under these contracts are typically due the month after the services have been performed.

The terminalling agreements are considered to be firm agreements, because they include fixed fee components that are charged regardless of the volumes transported by Shell or services provided at the terminal.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (terminalling) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

Midstream revenue

Our midstream segment’s revenues are derived primarily from margins we earn for natural gas volumes that are gathered, processed and/or transported. The various types of revenue contracts our midstream segment enters into include:

Fixed fee gathering and processing: Contracts under which we provide gathering and processing services in exchange for a fixed cash fee per unit of volume. Revenue for cash fees is recognized when the service is performed.

Keepwhole: Contracts under which we gather raw natural gas from a third-party producer, process the gas to convert it to pipeline quality natural gas, and redeliver to the producer a thermal-equivalent volume of pipeline quality natural gas. In exchange for these services, we retain the NGLs extracted from the raw natural gas received from the producer as well as cash fees paid by the producer. The value of NGLs retained as well as cash fees is recognized as revenue when the services are performed.

Percent of Proceeds (“POP”): Contracts under which we provide gathering and processing services in exchange for a specified percentage of the producer’s commodity (“POP percentage”) and also in some cases additional cash fees. The two types of POP revenue contracts are described below:

•In-Kind POP: We retain our POP percentage (non-cash consideration) and also any additional cash fees in exchange for providing the services. We recognize revenue for the non-cash consideration and cash fees at the time the services are performed.

•Mixed POP: We purchase NGLs from the producer and retain a portion of the residue gas as non-cash consideration for services provided. We may also receive cash fees for such services. Under Topic 606, these agreements were determined to be hybrid agreements which were partially supply agreements (for the NGLs we purchased) and customer agreements (for the services provided related to the product that was returned to the customer). Given that these are hybrid agreements, we split the cash and non-cash consideration between revenue and a reduction of costs based on the value of the service provided vs. the value of the supply received.

Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligations with respect to our midstream segment’s contracts are to provide gathering, transportation and processing services, each of which would be completed on or about the same time, and each of which would be recognized on the same line item on the income statement, therefore identification of separate performance obligations would not impact the timing or geography of revenue recognition.

Certain contracts of our midstream segment include throughput commitments under which customers commit to purchasing a certain minimum volume of service over a specified time period. If such volume of service is not purchased by the customer, deficiency fees are billed to the customer. In some cases, the customer is allowed to apply any deficiency fees paid to future purchases of services. In such cases, we defer revenue recognition until the customer uses the deficiency fees for services provided or becomes unable to use the fees as payment for future services due to expiration of the contractual period the fees can be applied or physical inability of the customer to utilize the fees due to capacity constraints.

Our midstream segment also generates revenues from the sale of residue gas and NGLs at the tailgate of our processing facilities primarily to affiliates and some third-party customers.

NGL and refined products transportation and services revenue

Our NGL and refined products transportation and services segment’s revenues are primarily derived from transportation, fractionation, blending and storage of NGL and refined products as well as acquisition and marketing activities. Revenues are generated utilizing a complementary network of pipelines, storage and blending facilities, and strategic offtake locations that provide access to multiple NGL markets. Transportation, fractionation and storage revenue is generated from

fees charged to customers under a combination of firm and interruptible contracts. Firm contracts are in the form of take-or-pay arrangements where certain fees will be charged to customers regardless of the volume of service they request for any given period. Under interruptible contracts, customers are not required to pay any fixed minimum amounts, but are instead billed based on actual volume of service provided for any given period. Payment for services under these contracts are typically due the month after the services have been performed.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation, fractionation, blending, or storage) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of services, but such promise is made on a case-by-case basis at the time the customer requests the service and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Crude oil transportation and services revenue

Our crude oil transportation and services segment’s revenues are primarily derived from providing transportation, terminalling and acquisition and marketing services to crude oil markets throughout the Southwest, Midwest and Northeast United States. Crude oil transportation revenue is generated from tariffs paid by shippers utilizing our transportation services and is generally recognized as the related transportation services are provided. Crude oil terminalling revenue is generated from fees paid by customers for storage and other associated services at the terminal. Crude oil acquisition and marketing revenue is generated from sale of crude oil acquired from a variety of suppliers to third parties. Payment for services under these contracts are typically due the month after the services have been performed.

Certain transportation and terminalling agreements are considered to be firm agreements, because they include fixed fee components that are charged regardless of the volume of crude oil transported by the customer or services provided at the terminal. For these agreements, any fixed fees billed in excess of services provided are not recognized as revenue until the earlier of (i) the time at which the customer applies the fees against cost of service provided in a later period, or (ii) the customer becomes unable to apply the fees against cost of future service due to capacity constraints or contractual terms.

The performance obligation with respect to firm contracts is a promise to provide a single type of service (transportation or terminalling) daily over the life of the contract, which is fundamentally a “stand-ready” service. While there can be multiple activities required to be performed, these activities are not separable because such activities in combination are required to successfully transfer the overall service for which the customer has contracted. The fixed consideration of the transaction price is allocated ratably over the life of the contract and revenue for the fixed consideration is recognized over time, because the customer simultaneously receives and consumes the benefit of this “stand-ready” service. Incremental fees associated with actual volume for each respective period are recognized as revenue in the period the incremental volume of service is performed.

The performance obligation with respect to interruptible contracts is also a promise to provide a single type of service, but such promise is made on a case-by-case basis at the time the customer requests the service and/or product and we accept the customer’s request. Revenue is recognized for interruptible contracts at the time the services are performed.

Sunoco LP’s fuel distribution and marketing revenue

Sunoco LP’s fuel distribution and marketing operations earn revenue from the following channels: sales to dealers, sales to distributors, unbranded wholesale revenue, commission agent revenue, rental income and other income. Motor fuel revenue consists primarily of the sale of motor fuel under supply agreements with third party customers and affiliates. Fuel supply contracts with Sunoco LP’s customers generally provide that Sunoco LP distribute motor fuel at a formula price based on published rates, volume-based profit margin and other terms specific to the agreement. The customer is invoiced the agreed-upon price with most payment terms ranging less than 30 days. If the consideration promised in a contract includes a variable amount, Sunoco LP estimates the variable consideration amount and factors in such an estimate to determine the transaction price under the expected value method.

Revenue is recognized under the motor fuel contracts at the point in time the customer takes control of the fuel. At the time control is transferred to the customer the sale is considered final, because the agreements do not grant customers the right

to return motor fuel. To determine when control transfers to the customer, the shipping terms of the contract are assessed as a primary indicator of the transfer of control. For FOB shipping point terms, revenue is recognized at the time of shipment. The performance obligation with respect to the sale of goods is satisfied at the time of shipment since the customer gains control at this time under the terms. Shipping and/or handling costs that occur before the customer obtains control of the goods are deemed to be fulfillment activities and are accounted for as fulfillment costs. Once the goods are shipped, Sunoco LP is precluded from redirecting the shipment to another customer and revenue is recognized.

Commission agent revenue consists of sales from commission agent agreements between Sunoco LP and select operators. Sunoco LP supplies motor fuel to sites operated by commission agents and sells the fuel directly to the end customer. In commission agent arrangements, control of the product is transferred at the point in time when the goods are sold to the end customer. To reflect the transfer of control, Sunoco LP recognizes commission agent revenue at the point in time fuel is sold to the end customer.

Sunoco LP receives rental income from leased or subleased properties. Revenue from leasing arrangements for which Sunoco LP is the lessor is recognized ratably over the term of the underlying lease.

Sunoco LP’s all other revenue

Sunoco LP’s all other operations earn revenue from the following channels: motor fuel sales, rental income and other income. Motor fuel sales consist of fuel sales to consumers at company-operated retail stores. Other income includes merchandise revenue that comprises the in-store merchandise and food service sales at company-operated retail stores, and other revenue that represents a variety of other services within Sunoco LP’s all other operations including credit card processing, car washes, lottery, automated teller machines, money orders, prepaid phone cards and wireless services. Revenue from all other operations is recognized when (or as) the performance obligations are satisfied (i.e. when the customer obtains control of the good or the service is provided).

USAC’s contract operations revenue

USAC’s revenue from contracted compression, natural gas treating and maintenance services is recognized ratably under its fixed-fee contracts over the term of the contract as services are provided to its customers. Initial contract terms typically range from six months to five years; however, USAC usually continues to provide compression services at a specific location beyond the initial contract term, either through contract renewal or on a month-to-month or longer basis. USAC primarily enters into fixed-fee contracts whereby its customers are required to pay the monthly fee even during periods of limited or disrupted throughput. Services are generally billed monthly, one month in advance of the commencement of the service month, except for certain customers who are billed at the beginning of the service month, and payment is generally due 30 days after receipt of the invoice. Amounts invoiced in advance are recorded as deferred revenue until earned, at which time they are recognized as revenue. The amount of consideration USAC receives and revenue it recognizes is based upon the fixed fee rate stated in each service contract.

Variable consideration exists in select contracts when billing rates vary based on actual equipment availability or volume of total installed horsepower.

USAC’s contracts with customers may include multiple performance obligations. For such arrangements, USAC allocates revenues to each performance obligation based on its relative standalone service fee. USAC generally determines standalone service fees based on the service fees charged to customers or using expected cost plus margin.

The majority of USAC’s service performance obligations are satisfied over time as services are rendered at selected customer locations on a monthly basis and based upon specific performance criteria identified in the applicable contract. The monthly service for each location is substantially the same service month to month and is promised consecutively over the service contract term. USAC measures progress and performance of the service consistently using a straight-line, time-based method as each month passes, because its performance obligations are satisfied evenly over the contract term as the customer simultaneously receives and consumes the benefits provided by its service. If variable consideration exists, it is allocated to the distinct monthly service within the series to which such variable consideration relates. USAC has elected to apply the invoicing practical expedient to recognize revenue for such variable consideration, as the invoice corresponds directly to the value transferred to the customer based on its performance completed to date.

There are typically no material obligations for returns or refunds. USAC’s standard contracts do not usually include material non-cash consideration.

USAC’s retail parts and services revenue

USAC’s retail parts and services revenue is primarily earned on directly reimbursable freight and crane charges that are the financial responsibility of USAC’s customers and maintenance work on units at its customers’ locations that are outside the scope of its core maintenance activities. Revenue from retail parts and services is recognized at the point in time the part is transferred or service is provided and control is transferred to the customer. At such time, the customer has the ability to direct the use of the benefits of such part or service after USAC has performed its services. USAC bills upon completion of the service or transfer of the parts, and payment is generally due 30 days after receipt of the invoice. The amount of consideration USAC receives and revenue it recognizes is based on the invoice amount. There are typically no material obligations for returns, refunds, or warranties. USAC’s standard contracts do not usually include material variable or non-cash consideration.

All other revenue

Our all other segment primarily includes our compression equipment business which provides full-service compression design and manufacturing services for the oil and gas industry. It also includes the management of coal and natural resources properties and the related collection of royalties. We also earn revenues from other land management activities, such as selling standing timber, leasing coal-related infrastructure facilities and collecting oil and gas royalties. These operations also include end-user coal handling facilities.

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Lease Accounting (Policies)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Lessee, Leases [Policy Text Block]

Lessee Accounting

The Partnership leases terminal facilities, tank cars, office space, land and equipment under non-cancelable operating leases whose initial terms are typically five to 15 years, with some real estate leases having terms of 40 years or more, along with options that permit renewals for additional periods. At the inception of each, we determine if the arrangement is a lease or contains an embedded lease and review the facts and circumstances of the arrangement to classify lease assets as operating or finance leases under Topic 842. The Partnership has elected not to record any leases with terms of 12 months or less on our consolidated balance sheets.

At present, the majority of the Partnership’s active leases are classified as operating in accordance with Topic 842. Balances related to operating leases are included in operating lease ROU assets, accrued and other current liabilities, operating lease current liabilities and non-current operating lease liabilities in our consolidated balance sheets. Finance leases represent a small portion of the active lease agreements and are included in finance lease ROU assets, current maturities of long-term debt and long-term debt, less current maturities in our consolidated balance sheets. The ROU assets represent the Partnership’s right to use an underlying asset for the lease term and lease liabilities represent the obligation of the Partnership to make minimum lease payments arising from the lease for the duration of the lease term.

Most leases include one or more options to renew, with renewal terms that can extend the lease term from one to 20 years or greater. The exercise of lease renewal options is typically at the sole discretion of the Partnership and lease extensions

are evaluated on a lease-by-lease basis. Leases containing early termination clauses typically require the agreement of both parties to the lease. At the inception of a lease, all renewal options reasonably certain to be exercised are considered when determining the lease term. Presently, the Partnership does not have leases that include options to purchase or automatic transfer of ownership of the leased property to the Partnership. The depreciable life of lease assets and leasehold improvements are limited by the expected lease term.

To determine the present value of future minimum lease payments, we use the implicit rate when readily determinable. Presently, because many of our leases do not provide an implicit rate, the Partnership applies its incremental borrowing rate based on the information available at the lease commencement date to determine the present value of minimum lease payments. The operating and finance lease ROU assets include any lease payments made and exclude lease incentives.

Minimum rent payments are expensed on a straight-line basis over the term of the lease. In addition, some leases require additional contingent or variable lease payments, which are based on the factors specific to the individual agreement. Variable lease payments the Partnership is typically responsible for include payment of real estate taxes, maintenance expenses and insurance.

For short-term leases (leases that have term of twelve months or less upon commencement), lease payments are recognized on a straight-line basis and no ROU assets are recorded.

Lessor, Leases [Policy Text Block]

Lessor Accounting

Sunoco LP leases or subleases a portion of its real estate portfolio to third-party companies as a stable source of long-term revenue. Sunoco LP’s lessor and sublease portfolio consists mainly of operating leases with convenience store operators. At this time, most lessor agreements contain five-year terms with renewal options to extend and early termination options based on established terms specific to the individual agreement.

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Estimates, Significant Accounting Policies and Balance Sheet Detail (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule Of Net Changes In Operating Assets And Liabilities Included Cash Flows From Operating Activities

The net change in operating assets and liabilities, net of effects of acquisitions, included in cash flows from operating activities is comprised as follows:

	Years Ended December 31,
	2023		2022		2021
Accounts receivable	$	(171)	$	(863)	$	(3,356)
Accounts receivable from related companies	(5)		23		38
Inventories	35		(361)		(19)
Other current assets	221		(326)		(216)
Other non-current assets, net	(125)		146		1
Accounts payable	(501)		25		3,834
Accounts payable to related companies	(38)		6		(34)
Accrued and other current liabilities	209		131		238
Other non-current liabilities	(33)		66		117
Derivative assets and liabilities, net	(43)		(349)		(88)
Net change in operating assets and liabilities, net of effects of acquisitions	$	(451)	$	(1,502)	$	515

Schedule Of Non-Cash Investing And Financing Activities

Non-cash investing and financing activities and supplemental cash flow information are as follows:

	Years Ended December 31,
	2023		2022		2021
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures	$	442	$	575	$	464
Units issued in connection with the Enable acquisition (1)	—		—		3,509
Units issued in connection with the Crestwood acquisition (1)	3,366		—		—
Units issued in connection with the Lotus Midstream acquisition (1)	574		—		—
Lease assets obtained in exchange for new lease liabilities	23		42		18
Acquisition of interest in unconsolidated affiliate	—		—		49
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest, net of interest capitalized	$	2,298	$	2,167	$	2,188
Cash paid for income taxes (net of refunds)	103		54		41

(1)See Note 3 for additional information.

Schedule of Inventory

The Partnership’s inventories consisted of the following:

	December 31,
	2023		2022
Natural gas, NGLs and refined products	$	1,658	$	1,802
Crude oil	258		246
Spare parts and other	562		413
Total inventories	$	2,478	$	2,461

Other Current Assets

Other current assets consisted of the following:

	December 31,
	2023		2022
Deposits paid to vendors	$	205	$	334
Prepaid expenses and other	308		392
Total other current assets	$	513	$	726

Property, Plant and Equipment

Components and useful lives of property, plant and equipment were as follows:

	December 31,
	2023		2022
Land and improvements	$	1,529	$	1,427
Buildings and improvements (1 to 45 years)	3,848		3,546
Pipelines and equipment (5 to 83 years)	88,195		82,353
Product storage and related facilities (2 to 83 years)	7,978		7,274
Right of way (20 to 83 years)	7,379		6,252
Other (1 to 48 years)	3,688		2,739
Construction work-in-process	2,315		2,405
	114,932		105,996
Less – Accumulated depreciation and depletion	(29,581)		(25,685)
Property, plant and equipment, net	$	85,351	$	80,311

Schedule Of Property, Plant And Equipment Depreciation And Capitalized Interest Expense

We recognized the following amounts for the periods presented:

	Years Ended December 31,
	2023		2022		2021
Depreciation, depletion and amortization expense	$	3,986	$	3,774	$	3,465
Capitalized interest	77		112		135

Schedule of Other Non-Current Assets, net

Other non-current assets, net are stated at cost less accumulated amortization. Other non-current assets, net consisted of the following:

	December 31,
	2023		2022
Crude pipeline linefill and tank bottoms	$	598	$	489
Regulatory assets	48		55
Pension assets	145		129
Deferred charges	148		140
Restricted funds	121		121
Other	673		624
Total other non-current assets, net	$	1,733	$	1,558

Restricted funds include an immaterial amount of restricted cash primarily held in our wholly owned captive insurance companies.

Components And Useful Lives Of Intangibles And Other Assets

Components and useful lives of intangible assets were as follows: 

	December 31, 2023				December 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizable intangible assets:
Customer relationships, contracts and agreements (3 to 46 years)	$	9,098	$	(3,196)	$	7,884	$	(2,807)
Patents (10 years)	48		(48)		48		(48)
Trade names (20 years)	66		(44)		66		(41)
Other (5 to 20 years)	12		(11)		12		(13)
Total amortizable intangible assets	9,224		(3,299)		8,010		(2,909)
Non-amortizable intangible assets:
Trademarks	302		—		302		—
Other	12		—		12		—
Total non-amortizable intangible assets	314		—		314		—
Total intangible assets	$	9,538	$	(3,299)	$	8,324	$	(2,909)

Aggregate Amortization Expense Of Intangibles And Other Assets

Aggregate amortization expense of intangible assets was as follows:

	Years Ended December 31,
	2023		2022		2021
Reported in depreciation, depletion and amortization expense	$	399	$	390	$	352

Estimated Aggregate Amortization Expense

Estimated aggregate amortization of intangible assets for the next five years is as follows:

Years Ending December 31:
2024	$	434
2025	423
2026	417
2027	400
2028	397

Schedule of Goodwill

Changes in the carrying amount of goodwill were as follows:

	Intrastate Transportation and Storage		Interstate Transportation and Storage		Midstream		NGL and Refined Products Transportation and Services		Crude Oil Transportation and Services		Investment in Sunoco LP		Investment in USAC		All Other		Total
Balance, December 31, 2021	$	—	$	—	$	—	$	693	$	190	$	1,568	$	—	$	82	$	2,533
Acquired	—		—		—		—		—		33		—		—		33
Balance, December 31, 2022	—		—		—		693		190		1,601		—		82		2,566
Acquired	—		—		601		191		663		—		—		—		1,455
Other	—		—		—		—		—		(2)		—		—		(2)
Balance, December 31, 2023	$	—	$	—	$	601	$	884	$	853	$	1,599	$	—	$	82	$	4,019

Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following:

	December 31,
	2023		2022
Interest payable	$	637	$	559
Customer advances and deposits	240		222
Accrued capital expenditures	442		575
Accrued wages and benefits	406		376
Taxes payable other than income taxes	646		519
Exchanges payable	163		224
Deferred revenue	312		268
Other	675		586
Total accrued and other current liabilities	$	3,521	$	3,329

Schedule of Derivative Assets at Fair Value

The following tables summarize the fair value of our financial assets and liabilities measured and recorded at fair value on a recurring basis as of December 31, 2023 and 2022 based on inputs used to derive their fair values:

	Fair Value Total		Fair Value Measurements at December 31, 2023
			Level 1		Level 2
Assets:
Interest rate derivatives	$	6	$	—	$	6
Commodity derivatives:
Natural Gas:
Basis Swaps FERC/NYMEX	24		24		—
Swing Swaps IFERC	20		20		—
Fixed Swaps/Futures	77		77		—
Forward Physical Contracts	8		—		8
Power:
Forwards	57		57		—
Futures	8		8		—
NGLs – Forwards/Swaps	336		336		—
Refined Products – Futures	35		35		—
Crude – Forwards/Swaps	45		45		—
Total commodity derivatives	610		602		8
Other non-current assets	31		20		11
Total assets	$	647	$	622	$	25
Liabilities:
Interest rate derivatives	$	(4)	$	—	$	(4)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	(3)		(3)		—
Swing Swaps IFERC	(2)		(2)		—
Fixed Swaps/Futures	(16)		(16)		—
Options – Puts	(2)		(2)		—
Power:
Forwards	(56)		(56)		—
Futures	(8)		(8)		—
NGL/Refined Products Option - Puts	(1)		(1)		—
NGL/Refined Products Option - Calls	(1)		(1)		—
NGLs – Forwards/Swaps	(316)		(316)		—
Refined Products – Futures	(18)		(18)		—
Crude – Forwards/Swaps	(37)		(37)		—
Total commodity derivatives	(460)		(460)		—
Total liabilities	$	(464)	$	(460)	$	(4)

	Fair Value Total		Fair Value Measurements at December 31, 2022
			Level 1		Level 2
Assets:
Interest rate derivatives	$	—	$	—	$	—
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	60		60		—
Swing Swaps IFERC	75		75		—
Fixed Swaps/Futures	113		113		—
Forward Physical Contracts	10		—		10
Power:
Forwards	52		—		52
Futures	3		3		—
NGLs – Forwards/Swaps	317		317		—
Refined Products – Futures	20		20		—
Crude - Forwards/Swaps	38		38		—
Total commodity derivatives	688		626		62
Other non-current assets	27		18		9
Total assets	$	715	$	644	$	71
Liabilities:
Interest rate derivatives	$	(23)	$	—	$	(23)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX	(25)		(25)
Swing Swaps IFERC	(12)		(12)		—
Fixed Swaps/Futures	(4)		(4)		—
Forward Physical Contracts	(2)		—		(2)
Power:
Forwards	(51)				(51)
Futures	(3)		(3)		—
NGLs – Forwards/Swaps	(358)		(358)		—
Refined Products – Futures	(59)		(59)		—
Crude - Forwards/Swaps	(12)		(12)		—
Total commodity derivatives	(526)		(473)		(53)
Total liabilities	$	(549)	$	(473)	$	(76)

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Acquisitions and Related Transactions (Tables)

12 Months Ended

Dec. 31, 2023

Enable

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The following table summarizes the allocation of the purchase price among the assets acquired and liabilities assumed:

	At December 2, 2021
Total current assets	$	593
Property, plant and equipment, net	7,076
Investments in unconsolidated affiliates	40
Other non-current assets	39
Intangible assets, net	440
Goodwill	138
Total assets	8,326
Total current liabilities	488
Long-term debt, less current maturities	4,267
Other non-current liabilities	18
Total liabilities	4,773
Noncontrolling interests	34
Total consideration	3,519
Cash received	61
Total consideration, net of cash received	$	3,458

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Advances to and Investments in Unconsolidated Affiliates (Tables)

12 Months Ended

Dec. 31, 2023

Investment In Affiliates [Abstract]

Schedule Of Aggregated Selected Balance Sheet And Income Statement Data For Our Unconsolidated Affiliates

The carrying values of the Partnership’s investments in unconsolidated affiliates as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Citrus	$	1,811	$	1,800
MEP	332		360
White Cliffs	203		218
Explorer	67		69
Other	684		446
Total	$	3,097	$	2,893

The following table presents equity in earnings (losses) of unconsolidated affiliates:

	Years Ended December 31,
	2023		2022		2021
Citrus	$	146	$	141	$	157
MEP	87		10		(17)
White Cliffs	10		(8)		—
Explorer	37		25		24
Other	103		89		82
Total equity in earnings of unconsolidated affiliates	$	383	$	257	$	246

Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block]

The following tables present aggregated selected balance sheet and income statement data for our unconsolidated affiliates, Citrus, MEP, White Cliffs and Explorer (on a 100% basis) for all periods presented:

	December 31,
	2023		2022
Current assets	$	378	$	311
Property, plant and equipment, net	7,582		7,722
Other assets	88		86
Total assets	$	8,048	$	8,119
Current liabilities	$	260	$	291
Non-current liabilities	4,379		4,347
Equity	3,409		3,481
Total liabilities and equity	$	8,048	$	8,119

	Years Ended December 31,
	2023		2022		2021
Revenue	$	1,798	$	1,518	$	1,393
Operating income	1,012		704		684
Net income	735		463		446

In addition to the equity method investments described above, we have other equity method investments which are not significant to our consolidated financial statements.

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Net Income Per Limited Partner Unit (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Reconciliation Of Net Income (Loss) And Weighted Average Units

A reconciliation of net income and weighted average units used in computing basic and diluted net income per unit is as follows:

	Years Ended December 31,
	2023		2022		2021
Net income	$	5,294	$	5,868	$	6,687
Less: Net income attributable to redeemable noncontrolling interests	60		51		50
Less: Net income attributable to noncontrolling interests	1,299		1,061		1,167
Net income, net of noncontrolling interests	3,935		4,756		5,470
Less: General Partner’s interest in income	3		4		6
Less: Preferred Unitholders’ interest in income	463		422		285
Common Unitholders’ interest in net income	$	3,469	$	4,330	$	5,179
Basic Income per Common Unit:
Weighted average common units	3,161.7		3,086.8		2,734.4
Basic income per common unit	$	1.10	$	1.40	$	1.89
Diluted Income per Common Unit:
Common Unitholders’ interest in net income	$	3,469	$	4,330	$	5,179
Dilutive effect of equity-based compensation of subsidiaries and distributions to convertible units	(1)		(2)		(2)
Diluted income available to Common Unitholders	$	3,468	$	4,328	$	5,177
Weighted average common units	3,161.7		3,086.8		2,734.4
Dilutive effect of unvested unit awards	15.5		10.2		5.1
Weighted average common units, assuming dilutive effect of unvested unit awards	3,177.2		3,097.0		2,739.5
Diluted income per common unit	$	1.09	$	1.40	$	1.89

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Debt Obligations Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2023

Debt Obligations [Abstract]

Schedule of debt obligations

Our debt obligations consist of the following:

	December 31,
	2023	2022
Energy Transfer Indebtedness
3.45% Senior Notes due January 15, 2023(1)	—	350
3.60% Senior Notes due February 1, 2023(1)	—	800
4.25% Senior Notes due March 15, 2023(1)	—	5
4.25% Senior Notes due March 15, 2023(1)	—	995
4.20% Senior Notes due September 15, 2023(1)	—	500
4.50% Senior Notes due November 1, 2023(1)	—	600
5.875% Senior Notes due January 15, 2024(2)(3)	23	23
5.875% Senior Notes due January 15, 2024(2)(3)	1,127	1,127
7.60% Senior Notes due February 1, 2024(2)(3)	82	82
4.90% Senior Notes due February 1, 2024(2)(3)	350	350
7.60% Senior Notes due February 1, 2024(1)	—	277
4.25% Senior Notes due April 1, 2024(3)	500	500
4.50% Senior Notes due April 15, 2024(3)	750	750
3.90% Senior Notes due May 15, 2024(3)	600	600
9.00% Debentures due November 1, 2024(3)	65	65
4.05% Senior Notes due March 15, 2025	1,000	1,000
5.75% Senior Notes due April 1, 2025(4)	500	—
2.90% Senior Notes due May 15, 2025	1,000	1,000
5.95% Senior Notes due December 1, 2025	400	400
4.75% Senior Notes due January 15, 2026	1,000	1,000
3.90% Senior Notes due July 15, 2026	550	550
6.05% Senior Notes due December 1, 2026	1,000	—
4.40% Senior Notes due March 15, 2027	700	700
4.20% Senior Notes due April 15, 2027	600	600
6.05% Senior Notes due May 1, 2027(4)	600	—
5.50% Senior Notes due June 1, 2027	44	44
5.50% Senior Notes due June 1, 2027	956	956
4.00% Senior Notes due October 1, 2027	750	750
5.55% Senior Notes due February 15, 2028	1,000	1,000
4.95% Senior Notes due May 15, 2028	800	800
4.95% Senior Notes due June 15, 2028	1,000	1,000
6.10% Senior Notes due December 1, 2028	500	—
6.00% Senior Notes due February 1, 2029(4)	700	—
8.00% Senior Notes due April 1, 2029(4)	450	—
5.25% Senior Notes due April 15, 2029	1,500	1,500
7.00% Senior Notes due July 15, 2029	66	66
4.15% Senior Notes due September 15, 2029	547	547
8.25% Senior Notes due November 15, 2029	33	33
8.25% Senior Notes due November 15, 2029	267	267
3.75% Senior Note due May 15, 2030	1,500	1,500
6.40% Senior Notes due December 1, 2030	1,000	—
7.38% Senior Notes due April 1, 2031(4)	600	—
5.75% Senior Notes due February 15, 2033	1,500	1,500

4.05% Tax-Exempt Bonds due June 1, 2033(5)	225	—
6.55% Senior Notes due December 1,2033	1,500	—
4.90% Senior Notes due March 15, 2035	500	500
6.625% Senior Notes due October 15, 2036	400	400
5.80% Senior Notes due June 15, 2038	500	500
7.50% Senior Notes due July 1, 2038	550	550
6.85% Senior Notes due February 15, 2040	250	250
6.05% Senior Notes due June 1, 2041	700	700
6.50% Senior Notes due February 1, 2042	1,000	1,000
6.10% Senior Notes due February 15, 2042	300	300
4.95% Senior Notes due January 15, 2043	350	350
5.15% Senior Notes due February 1, 2043	450	450
5.95% Senior Notes due October 1, 2043	450	450
5.30% Senior Notes due April 1, 2044	700	700
5.00% Senior Notes due May 15, 2044	531	531
5.15% Senior Notes due March 15, 2045	1,000	1,000
5.35% Senior Notes due May 15, 2045	800	800
6.125% Senior Notes due December 15, 2045	1,000	1,000
5.30% Senior Notes due April 15, 2047	900	900
5.40% Senior Notes due October 1, 2047	1,500	1,500
6.00% Senior Notes due June 15, 2048	1,000	1,000
6.25% Senior Notes due April 15, 2049	1,750	1,750
5.00% Senior Notes due May 15, 2050	2,000	2,000
Floating Rate Junior Subordinated Notes due November 1, 2066	600	600
Five-Year Credit Facility	1,412	793
Unamortized premiums, discounts and fair value adjustments, net	128	184
Deferred debt issuance costs	(197)	(181)
	44,359	40,264
Subsidiary Indebtedness
Transwestern Debt
5.66% Senior Notes due December 9, 2024(3)	175	175
6.16% Senior Notes due May 24, 2037	75	75
	250	250
Bakken Project Debt
3.90% Senior Notes due April 1, 2024	1,000	1,000
4.625% Senior Notes due April 1, 2029	850	850
Unamortized premiums, discounts and fair value adjustments, net	(1)	(1)
Deferred debt issuance costs	(4)	(7)
	1,845	1,842

Sunoco LP Debt
6.00% Senior Notes Due April 15, 2027	600		600
5.875% Senior Notes Due March 15, 2028	400		400
7.00% Senior Notes due September 25, 2028	500		—
4.50% Senior Notes due May 15, 2029	800		800
4.50% Senior Notes due April 30, 2030	800		800
Sunoco LP Credit Facility due April 7, 2027	411		900
Lease-related obligations	94		94
Deferred debt issuance costs	(25)		(23)
	3,580		3,571
USAC Debt
6.875% Senior Notes due April 1, 2026	725		725
6.875% Senior Notes due September 1, 2027	750		750
USAC Credit Facility due December 2026(6)	872		646
Deferred debt issuance costs	(11)		(14)
	2,336		2,107
HFOTCO Debt
HFOTCO Tax Exempt Notes due 2050 (5)	—		225
	—		225
Other long-term debt	18		3
Total debt	52,388		48,262
Less: Current maturities of long-term debt	1,008		2
Long-term debt, less current maturities	$	51,380	$	48,260

Future maturities of long-term debt

The following table reflects future maturities of long-term debt for each of the next five years and thereafter. These amounts exclude $237 million in unamortized premiums, fair value adjustments and deferred debt issuance costs, net:

2024	$	4,672
2025	2,900
2026	4,147
2027	6,823
2028	4,200
Thereafter	29,756
Total	$	52,498

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Equity (Tables)

12 Months Ended

Dec. 31, 2023

Change In ETE Common Units

The change in Energy Transfer Common Units during the years ended December 31, 2023, 2022 and 2021 was as follows:

	Years Ended December 31,
	2023	2022	2021
Number of Common Units, beginning of period	3,094.4	3,082.5	2,702.4
Common Units issued in mergers and acquisitions (1)	260.2	—	374.6
Common Units repurchased	—	—	(4.2)
Issuance of Common Units (2)	12.9	11.9	9.7
Number of Common Units, end of period	3,367.5	3,094.4	3,082.5

(1)Common units issued related to our acquisitions of Crestwood and Lotus Midstream in 2023 and of Enable in 2021.

(2)Includes common units issued in connection with the distribution reinvestment program and restricted unit vestings.

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following table presents the components of AOCI, net of tax:

	December 31,
	2023		2022
Available-for-sale securities	$	13	$	9
Foreign currency translation adjustment	(5)		1
Actuarial gain (loss) related to pensions and other postretirement benefits	6		(7)
Investments in unconsolidated affiliates, net	14		13
Total AOCI, net of tax	$	28	$	16

The following table sets forth the tax amounts included in the respective components of other comprehensive income:

	December 31,
	2023		2022
Available-for-sale securities	$	(3)	$	1
Foreign currency translation adjustment	6		6
Actuarial loss relating to pension and other postretirement benefits	—		1
Total	$	3	$	8

Schedule of Preferred Units

The following table summarizes changes in the Energy Transfer Preferred Units:

	Preferred Unitholders
	Series A		Series B		Series C		Series D		Series E		Series F		Series G		Series H		Series I		Total
Balance, December 31, 2020	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Preferred units conversion (1)	943		547		440		434		786		504		1,114		—		—		4,768
Units issued for cash	—		—		—		—		—		—		—		889		—		889
Distributions to partners	(30)		(18)		(25)		(25)		(45)		(34)		(79)		(24)		—		(280)
Units issued in Enable acquisition	—		—		—		—		—		—		392		—		—		392
Other, net	—		—		—		—		—		—		—		(3)		—		(3)
Net income	45		27		25		25		45		26		61		31		—		285
Balance, December 31, 2021	958		556		440		434		786		496		1,488		893		—		6,051
Distributions to partners	(59)		(36)		(33)		(34)		(61)		(34)		(106)		(59)		—		(422)
Net income	59		36		33		34		61		34		106		59		—		422
Balance, December 31, 2022	958		556		440		434		786		496		1,488		893		—		6,051
Distributions to partners	(96)		(36)		(40)		(36)		(61)		(34)		(106)		(59)		—		(468)
Units issued in Crestwood acquisition	—		—		—		—		—		—		—		—		413		413
Net income	86		36		38		37		61		34		106		59		6		463
Balance, December 31, 2023	$	948	$	556	$	438	$	435	$	786	$	496	$	1,488	$	893	$	419	$	6,459

(1)In connection with the Rollup Mergers on April 1, 2021, as discussed in Note 1, all of ETO’s previously outstanding preferred units were converted to Energy Transfer Preferred Units with identical distribution and redemption rights.

Variable Rate Terms [Member]

Schedule of Preferred Units

Distributions on the Energy Transfer Series B Preferred Units and Series E Preferred Units are scheduled to begin accruing at a floating rate as follows:

	Beginning of floating rate period	Applicable Spread		Tenor spread adjustment		Floating rate
Series B Preferred Units	February 15, 2028	4.155	%	0.26161	%	Three-month SOFR
Series E Preferred Units	May 15, 2024	5.161	%	0.26161	%	Three-month SOFR

As discussed above, the Partnership expects to redeem the Series E Preferred Units at the beginning of the floating rate period on May 15, 2024.

Sunoco LP [Member]

Distributions Made to Limited Partner, by Distribution [Table Text Block]

Distributions on Sunoco LP’s units declared and/or paid by Sunoco LP were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	February 8, 2021	February 19, 2021	0.8255
March 31, 2021	May 11, 2021	May 19, 2021	0.8255
June 30, 2021	August 6, 2021	August 19, 2021	0.8255
September 30, 2021	November 5, 2021	November 19, 2021	0.8255
December 31, 2021	February 8, 2022	February 18, 2022	0.8255
March 31, 2022	May 9, 2022	May 19, 2022	0.8255
June 30, 2022	August 8, 2022	August 19, 2022	0.8255
September 30, 2022	November 4, 2022	November 18, 2022	0.8255
December 31, 2022	February 7, 2023	February 21, 2023	0.8255
March 31, 2023	May 8, 2023	May 22, 2023	0.8420
June 30, 2023	August 14, 2023	August 21, 2023	0.8420
September 30, 2023	October 30, 2023	November 20, 2023	0.8420
December 31, 2023	February 7, 2024	February 20, 2024	0.8420

Schedule of Incentive Distributions Made to Managing Members or General Partners by Distribution [Table Text Block]

The following table illustrates the percentage allocations of available cash from operating surplus between Sunoco LP’s common unitholders and the holder of its IDRs based on the specified target distribution levels, after the payment of distributions to Class C unitholders. The amounts set forth under “marginal percentage interest in distributions” are the percentage interests of the IDR holder and the common unitholders in any available cash from operating surplus which Sunoco LP distributes up to and including the corresponding amount in the column “total quarterly distribution per unit target amount.” The percentage interests shown for common unitholders and IDR holder for the minimum quarterly distribution are also applicable to quarterly distribution amounts that are less than the minimum quarterly distribution.

		Marginal Percentage Interest in Distributions
	Total Quarterly Distribution Target Amount	Common Unitholders	Holder of IDRs
Minimum Quarterly Distribution	$0.4375	100%	—%
First Target Distribution	$0.4375 to $0.503125	100%	—%
Second Target Distribution	$0.503125 to $0.546875	85%	15%
Third Target Distribution	$0.546875 to $0.656250	75%	25%
Thereafter	Above $0.656250	50%	50%

USAC [Member]

Distributions Made to Limited Partner, by Distribution [Table Text Block]

USAC Cash Distributions

Energy Transfer owns approximately 46.1 million USAC common units. As of December 31, 2023, USAC had approximately 101.0 million common units outstanding. USAC currently has a non-economic general partner interest and no outstanding IDRs.

Distributions on USAC’s units declared and/or paid by USAC were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	January 25, 2021	February 5, 2021	0.5250
March 31, 2021	April 26, 2021	May 7, 2021	0.5250
June 30, 2021	July 26, 2021	August 6, 2021	0.5250
September 30, 2021	October 25, 2021	November 5, 2021	0.5250
December 31, 2021	January 24, 2022	February 4, 2022	0.5250
March 31, 2022	April 25, 2022	May 6, 2022	0.5250
June 30, 2022	July 25, 2022	August 5, 2022	0.5250
September 30, 2022	October 24, 2022	November 4, 2022	0.5250
December 31, 2022	January 23, 2023	February 3, 2023	0.5250
March 31, 2023	April 24, 2023	May 5, 2023	0.5250
June 30, 2023	July 24, 2023	August 4, 2023	0.5250
September 30, 2023	October 23, 2023	November 3, 2023	0.5250
December 31, 2023	January 22, 2024	February 2, 2024	0.5250

ET [Member]

Distributions Made to Limited Partner, by Distribution [Table Text Block]

Our distributions declared and paid with respect to our common units were as follows:

Quarter Ended	Record Date	Payment Date	Rate
December 31, 2020	February 8, 2021	February 19, 2021	0.1525
March 31, 2021	May 11, 2021	May 19, 2021	0.1525
June 30, 2021	August 6, 2021	August 19, 2021	0.1525
September 30, 2021	November 5, 2021	November 19, 2021	0.1525
December 31, 2021	February 8, 2022	February 18, 2022	0.1750
March 31, 2022	May 9, 2022	May 19, 2022	0.2000
June 30, 2022	August 8, 2022	August 19, 2022	0.2300
September 30, 2022	November 4, 2022	November 21, 2022	0.2650
December 31, 2022	February 7, 2023	February 21, 2023	0.3050
March 31, 2023	May 8, 2023	May 22, 2023	0.3075
June 30, 2023	August 14, 2023	August 21, 2023	0.3100
September 30, 2023	October 30, 2023	November 20, 2023	0.3125
December 31, 2023	February 7, 2024	February 20, 2024	0.3150

Preferred Units [Member]

Distributions Made to Limited Partner, by Distribution [Table Text Block]

Distributions on Energy Transfer’s preferred units declared and/or paid by Energy Transfer were as follows:

Period Ended	Record Date	Payment Date	Series A (1)	Series B (1)	Series C	Series D	Series E	Series F (1)	Series G (1)	Series H (1)		Series I
March 31, 2021	May 3, 2021	May 17, 2021	$—	$—	$0.4609	$0.4766	$0.4750	$33.7500	$35.63	$—		$—
June 30, 2021	August 2, 2021	August 16, 2021	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
September 30, 2021	November 1, 2021	November 15, 2021	—	—	0.4609	0.4766	0.4750	33.7500	35.63	27.08	*	—
December 31, 2021	February 1, 2022	February 15, 2022	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
March 31, 2022	May 2, 2022	May 16, 2022	—	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
June 30, 2022	August 1, 2022	August 15, 2022	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
September 30, 2022	November 1, 2022	November 15, 2022	—	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
December 31, 2022	February 1, 2023	February 15, 2023	31.25	33.125	0.4609	0.4766	0.4750	—	—	—		—
March 31, 2023	May 1, 2023	May 15, 2023	21.98	—	0.4609	0.4766	0.4750	33.7500	35.63	32.50		—
June 30, 2023	August 1, 2023	August 15, 2023	23.89	33.125	0.6294	0.4766	0.4750	—	—	—		—
September 30, 2023	November 1, 2023	November 15, 2023	24.67	—	0.6489	0.6622	0.4750	33.7500	35.63	32.50		—
December 31, 2023	February 1, 2024	February 15, 2024	24.71	33.125	0.6075	0.6199	0.4750	—	—	—		0.2111

*    Represents prorated initial distribution.

(1)    Series B, Series F, Series G and Series H distributions are currently paid on a semi-annual basis. Pursuant to their terms, distributions on the Series A preferred units began to be paid quarterly on February 15, 2023, and distributions on the Series B preferred units will begin to be paid quarterly on February 15, 2028.

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Equity Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2023

Schedule of weighted average grant-date fair values

The following table summarizes the weighted average grant-date fair value per unit award granted:

	Years Ended December 31,
	2023		2022		2021
Sunoco LP	$	53.37	$	43.54	$	37.72
USAC	23.13		18.31		14.92

Schedule of Subsidiary Awards Granted To Employees And Non-Employee Directors

The following table shows the activity of the awards granted to employees and non-employee directors:

	Number of Units	Weighted Average Grant-Date Fair Value Per Unit
Unvested awards as of December 31, 2022	37.7	$	9.62
Awards granted	10.7	13.78
Awards vested	(7.7)	9.22
Awards forfeited	(1.6)	9.52
Unvested awards as of December 31, 2023	39.1	$	10.84

Subsidiaries [Member]

Schedule of Subsidiary Awards Granted To Employees And Non-Employee Directors

The following table summarizes the activity of the Subsidiary Unit Awards:

	Sunoco LP			USAC
	Number of Units	Weighted  Average Grant-Date Fair Value Per Unit		Number of Units	Weighted  Average Grant-Date Fair Value Per Unit
Unvested awards as of December 31, 2022	1.8	$	34.29	2.1	$	14.21
Awards granted	0.4	53.37		0.5	23.13
Awards vested	(0.6)	28.35		(0.6)	13.29
Awards forfeited	—	34.64		(0.1)	17.50
Unvested awards as of December 31, 2023	1.6	$	41.08	1.9	$	17.08

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Income Taxes Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The components of the federal and state income tax expense (benefit) of our taxable subsidiaries are summarized as follows:

	Years Ended December 31,
	2023		2022		2021
Current expense:
Federal	$	56	$	—	$	19
State	44		17		24
Total	100		17		43
Deferred expense (benefit):
Federal	227		239		246
State	(24)		(58)		(106)
Foreign	—		6		1
Total	203		187		141
Total income tax expense	$	303	$	204	$	184

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

Historically, our effective tax rate has differed from the statutory rate primarily due to partnership earnings that are not subject to United States federal and most state income taxes at the partnership level. A reconciliation of income tax expense at the United States statutory rate to the Partnership’s income tax benefit for the years ended December 31, 2023, 2022 and 2021 is as follows:

	Years Ended December 31,
	2023		2022		2021
Income tax expense at United States statutory rate	$	1,175	$	1,275	$	1,443
Increase (reduction) in income taxes resulting from:
Partnership earnings not subject to tax	(884)		(1,086)		(1,211)
Noncontrolling interests	—		26		—
State tax, net of federal tax benefit	47		19		85
Statutory rate change	(10)		(42)		(46)
Valuation allowance	(3)		(4)		(63)
Uncertain tax positions	(14)		(3)		(34)
Dividend received deduction	(3)		(3)		(4)
Foreign taxes	—		6		1
Other	(5)		16		13
Income tax expense	$	303	$	204	$	184

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Deferred taxes result from the temporary differences between financial reporting carrying amounts and the tax basis of existing assets and liabilities. The following table summarizes the principal components of the deferred tax assets (liabilities) as follows:

	December 31,
	2023		2022
Deferred income tax assets:
Net operating losses and other carryforwards	$	371	$	603
Other	46		60
Total deferred income tax assets	417		663
Valuation allowance	—		(19)
Net deferred income tax assets	417		644
Deferred income tax liabilities:
Property, plant and equipment	(232)		(218)
Investments in affiliates	(4,003)		(4,010)
Trademarks	(91)		(89)
Other	(22)		(28)
Total deferred income tax liabilities	(4,348)		(4,345)
Net deferred income taxes	$	(3,931)	$	(3,701)

ScheduleOfUnrecognizedTaxBenefits [Table Text Block]

The following table sets forth the changes in unrecognized tax benefits:

	Years Ended December 31,
	2023		2022		2021
Balance at beginning of year	$	52	$	56	$	90
Reduction attributable to tax positions taken in prior years	(9)		(4)		(34)
Settlements	(3)		—		—
Balance at end of year	$	40	$	52	$	56

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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities Regulatory Matters, Commitments, Contingencies And Environmental Liabilities (Tables)

12 Months Ended

Dec. 31, 2023

Environmental Exit Costs by Cost [Table Text Block]

The following table reflects the amounts of accrued liabilities recorded in our consolidated balance sheets related to environmental matters that are considered to be probable and reasonably estimable. Currently, we are not able to estimate possible losses or a range of possible losses in excess of amounts accrued. Except for matters discussed above, we do not have any material environmental matters assessed as reasonably possible that would require disclosure in our consolidated financial statements.

	December 31,
	2023		2022
Current	$	42	$	54
Non-current	235		228
Total environmental liabilities	$	277	$	282

Right of way (20 to 83 years)

Other Commitments

The following table reflects ROW expense included in operating expenses in the accompanying consolidated statements of operations:

	Years Ended December 31,
	2023		2022		2021
ROW expense	$	68	$	64	$	48

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Revenue (Tables)

12 Months Ended

Dec. 31, 2023

Contract with Customer, Asset and Liability [Table Text Block]

The following table summarizes the consolidated activity of our contract liabilities:

	Contract Liabilities
Balance, December 31, 2021	$	459
Additions	1,113
Revenue recognized	(944)
Other	(13)
Balance, December 31, 2022	615
Additions	1,254
Revenue recognized	(1,120)
Balance, December 31, 2023	$	749

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

As of December 31, 2023, the aggregate amount of transaction price allocated to unsatisfied (or partially satisfied) performance obligations was $39.10 billion, and the Partnership expects to recognize this amount as revenue within the time bands illustrated below:

	Years Ending December 31,
	2024		2025		2026		Thereafter		Total
Revenue expected to be recognized on contracts with customers existing as of December 31, 2023	$	7,590	$	6,497	$	5,769	$	19,240	$	39,096

Sunoco LP [Member]

Contract with Customer, Asset and Liability [Table Text Block]

The balances of Sunoco LP’s contract assets and contract liabilities as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Contract Balances
Contract assets	$	256	$	200
Accounts receivable from contracts with customers	809		834
Contract liabilities	—		—

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Lease Accounting (Tables)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Schedule of Property Subject to or Available for Operating Lease [Table Text Block]

The components of operating and finance lease amounts recognized in the accompanying consolidated balance sheets as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Operating leases:
Lease right-of-use assets, net	$	797	$	808
Operating lease current liabilities	56		45
Accrued and other current liabilities	5		1
Non-current operating lease liabilities	778		798
Finance leases:
Property, plant and equipment, net	$	1	$	1
Lease right-of-use assets, net	29		11
Current maturities of long-term debt	8		2
Long-term debt, less current maturities	19		9
Other non-current liabilities	—		1

Lease, Cost [Table Text Block]

The components of lease expense for the years ended December 31, 2023 and 2022 were as follows:

		Year Ended December 31,
	Income Statement Location	2023		2022
Operating lease costs:
Operating lease cost	Cost of goods sold	$	1	$	3
Operating lease cost	Operating expenses	69		63
Operating lease cost	Selling, general and administrative	18		22
Total operating lease costs		88		88
Finance lease costs:
Amortization of lease assets	Depreciation, depletion and amortization	—		—
Interest on lease liabilities	Interest expense, net of capitalized interest	—		—
Total finance lease costs		—		—
Short-term lease cost	Operating expenses	38		33
Variable lease cost	Operating expenses	16		13
Lease costs, gross		142		134
Less: Sublease income	Other revenue	42		40
Lease costs, net		$	100	$	94

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The weighted-average remaining lease terms and weighted-average discount rates as of December 31, 2023 and 2022 were as follows:

	December 31,
	2023		2022
Weighted-average remaining lease term (years):
Operating leases	21		21
Finance leases	12		27
Weighted-average discount rate (%):
Operating leases	6	%	5	%
Finance leases	5	%	4	%

Maturities of lease liabilities as of December 31, 2023 are as follows:

	Operating leases		Finance leases		Total
2024	$	96	$	7	$	103
2025	90		8		98
2026	81		4		85
2027	71		2		73
2028	70		1		71
Thereafter	979		12		991
Total lease payments	1,387		34		1,421
Less: present value discount	553		7		560
Present value of lease liabilities	$	834	$	27	$	861

Schedule of additional lease information [Table Text Block]

Cash flows and non-cash activity related to leases for the years ended December 31, 2023 and 2022 were as follows:

	Year Ended December 31,
	2023		2022
Operating cash flows from operating leases	$	(139)	$	(133)
Lease assets obtained in exchange for new finance lease liabilities	18		1
Lease assets obtained in exchange for new operating lease liabilities	5		41

Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]

Sunoco LP’s future minimum operating lease payments receivable as of December 31, 2023 are as follows:

	Lease Payments
2024	$	108
2025	99
2026	82
2027	63
2028	38
Thereafter	17
Total undiscounted cash flows	$	407

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Derivative Assets And Liabilities (Tables)

12 Months Ended

Dec. 31, 2023

General Discussion of Derivative Instruments and Hedging Activities [Abstract]

Offsetting Assets [Table Text Block]

		Asset Derivatives				Liability Derivatives
	Balance Sheet Location	December 31, 2023		December 31, 2022		December 31, 2023		December 31, 2022
Derivatives without offsetting agreements	Derivative assets (liabilities)	$	6	$	—	$	(4)	$	(23)
Derivatives in offsetting agreements:
OTC contracts	Derivative assets (liabilities)	132		95		(80)		(108)
Broker cleared derivative contracts	Other current assets (liabilities)	478		593		(380)		(418)
		616		688		(464)		(549)
Offsetting agreements:
Counterparty netting	Derivative assets (liabilities)	(72)		(85)		72		85
Counterparty netting	Other current assets (liabilities)	(368)		(359)		368		359
Total net derivatives		$	176	$	244	$	(24)	$	(105)

Outstanding Commodity-Related Derivatives

The following table details our outstanding commodity-related derivatives:

	December 31, 2023		December 31, 2022
	Notional Volume	Maturity	Notional Volume	Maturity
Mark-to-Market Derivatives
(Trading)
Natural Gas (BBtu):
Fixed Swaps/Futures	(1,878)	2024-2025	145	2023
Basis Swaps IFERC/NYMEX(1)	(171,185)	2024	(39,563)	2023
Swing Swaps	(900)	2024	—	—
Options – Puts	1,900	2024	—	—
Options - Calls	250	2024	—	—
Power (Megawatt):
Forwards	155,600	2024-2029	—	2023-2029
Futures	(464,897)	2024	(21,384)	2023
Options – Puts	136,000	2024	119,200	2023
Crude (MBbls):
Option - Puts	(15)	2024	—	—
Option - Calls	(20)	2024	—	—
NGL/Refined Products (MBbls):
Option - Puts	121	2024-2026	—	—
Option - Calls	(43)	2024-2026	—	—
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	124,210	2024-2025	42,440	2023-2024
Swing Swaps IFERC	(96,828)	2024-2025	(202,815)	2023-2024
Fixed Swaps/Futures	7,125	2024-2026	(15,758)	2023-2025
Forward Physical Contracts	(1,751)	2024-2026	2,423	2023-2024
NGL (MBbls) – Forwards/Swaps	(13,870)	2024-2027	6,934	2023-2025
Crude (MBbls) – Forwards/Swaps	(2,674)	2024-2025	795	2023-2024
Refined Products (MBbls) – Futures	(4,548)	2024-2025	(3,547)	2023-2024
Fair Value Hedging Derivatives
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX	(39,013)	2024	(37,448)	2023
Fixed Swaps/Futures	(39,013)	2024	(37,448)	2023
Hedged Item – Inventory	39,013	2024	37,448	2023

(1)Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.

Interest Rate Swaps Outstanding

The following table summarizes our interest rate swaps outstanding (including USAC’s), none of which were designated as hedges for accounting purposes:

Term	Type	Notional Amount Outstanding
		December 31, 2023		December 31, 2022
Energy Transfer
July 2024 (1)	Forward-starting to pay a fixed rate of 3.388% and receive a floating rate based on SOFR	$	—	$	400
USAC
December 2025	Pay a fixed rate of 3.9725% and receive a floating rate based on SOFR	700		—

(1)The July 2024 interest rate swaps were terminated and settled in August 2023.

Fair Value Of Derivative Instruments

The following table provides a summary of our derivative assets and liabilities:

	Fair Value of Derivative Instruments
	Asset Derivatives				Liability Derivatives
	December 31, 2023		December 31, 2022		December 31, 2023		December 31, 2022
Derivatives designated as hedging instruments:
Commodity derivatives (margin deposits)	$	51	$	87	$	(6)	$	(7)
	51		87		(6)		(7)
Derivatives not designated as hedging instruments:
Commodity derivatives (margin deposits)	427		506		(374)		(411)
Commodity derivatives	132		95		(80)		(108)
Interest rate derivatives	6		—		(4)		(23)
	565		601		(458)		(542)
Total derivatives	$	616	$	688	$	(464)	$	(549)

Derivatives Not Designated as Hedging Instruments [Table Text Block]

	Location of Gain (Loss) Recognized in Income on Derivatives	Amount of Gain (Loss) Recognized in Income on Derivatives
		Years Ended December 31,
		2023		2022		2021
Derivatives not designated as hedging instruments:
Commodity derivatives – Trading	Cost of products sold	$	7	$	83	$	(6)
Commodity derivatives – Non-trading	Cost of products sold	40		41		(141)
Interest rate derivatives	Gains (losses) on interest rate derivatives	36		293		61
Total		$	83	$	417	$	(86)

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Retirement Benefits Retirement Benefits (Tables)

12 Months Ended

Dec. 31, 2023

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Certain of the Partnership’s subsidiaries sponsor pension and/or other postretirement benefit plans that provide benefits to a defined group of retirees. The following table contains information at the dates indicated about the obligations and funded status of pension and other postretirement plans on a combined basis:

	December 31, 2023						December 31, 2022
	Pension Benefits						Pension Benefits
	Funded Plans		Unfunded Plans		Other Postretirement Benefits		Funded Plans		Unfunded Plans		Other Postretirement Benefits
Change in benefit obligation:
Benefit obligation at beginning of period	$	22	$	19	$	148	$	50	$	26	$	195
Service cost	—		—		—		—		—		1
Interest cost	1		1		6		1		1		4
Benefits paid, net	(1)		(3)		(13)		(1)		(3)		(14)
Actuarial gain and other	1		—		(3)		(8)		(3)		(38)
Energy Transfer Canada sale	—		—		—		(20)		(2)		—
Benefit obligation at end of period	23		17		138		22		19		148
Change in plan assets:
Fair value of plan assets at beginning of period	20		—		259		44		—		311
Return on plan assets and other	2		—		29		(4)		—		(41)
Employer contributions	1		—		2		1		—		3
Benefits paid, net	(1)		—		(13)		(1)		—		(14)
Energy Transfer Canada sale	—		—		—		(20)		—		—
Fair value of plan assets at end of period	22		—		277		20		—		259
Amount underfunded (overfunded) at end of period	$	1	$	17	$	(139)	$	2	$	19	$	(111)
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	$	—	$	—	$	155	$	—	$	—	$	127
Current liabilities	—		(3)		(2)		—		(3)		(2)
Non-current liabilities	(1)		(14)		(14)		(2)		(16)		(14)
	$	(1)	$	(17)	$	139	$	(2)	$	(19)	$	111
Amounts recognized in accumulated other comprehensive income (pre-tax basis) consist of:
Net actuarial gain (loss)	$	—	$	(2)	$	(12)	$	—	$	(2)	$	5
Prior service credit	—		—		(3)		—		—		(3)
	$	—	$	(2)	$	(15)	$	—	$	(2)	$	2

Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block]

The following table summarizes information at the dates indicated for plans with an accumulated benefit obligation in excess of plan assets:

	December 31, 2023						December 31, 2022
	Pension Benefits						Pension Benefits
	Funded Plans		Unfunded Plans		Other Postretirement Benefits		Funded Plans		Unfunded Plans		Other Postretirement Benefits
Projected benefit obligation	$	23	$	15	N/A		$	22	$	19	N/A
Accumulated benefit obligation	23		17		$	138	22		19		$	148
Fair value of plan assets	22		—		277		20		—		259

Schedule of Health Care Cost Trend Rates [Table Text Block]

The assumed health care cost trend weighted-average rates used to measure the expected cost of benefits covered by the plans are shown in the following table:

	December 31,
	2023		2022
Health care cost trend rate	7.42	%	7.48	%
Rate to which the cost trend is assumed to decline (the ultimate trend rate)	5.17	%	5.18	%
Year that the rate reaches the ultimate trend rate	2031		2030

Fair Value of Plan Assets [Table Text Block]

The fair value of the pension plan assets by asset category at the dates indicated is as follows:

			Fair Value Measurements at December 31, 2023
	Fair Value Total		Level 1		Level 2		Level 3
Asset Category:
Cash and cash equivalents	$	2	$	2	$	—	$	—
Mutual funds (1)	20		20		—		—
Total	$	22	$	22	$	—	$	—

(1)Comprised of approximately 100% equities as of December 31, 2023.

			Fair Value Measurements at December 31, 2022
	Fair Value Total		Level 1		Level 2		Level 3
Asset Category:
Cash and cash equivalents	$	2	$	2	$	—	$	—
Mutual funds (1)	18		18		—		—
Total	$	20	$	20	$	—	$	—

(1)Comprised of approximately 100% equities as of December 31, 2022.

The fair value of other postretirement plan assets by asset category at the dates indicated is as follows:

			Fair Value Measurements at December 31, 2023
	Fair Value Total		Level 1		Level 2		Level 3
Asset category:
Cash and cash equivalents	$	13	$	13	$	—	$	—
Mutual funds(1)	166		166		—		—
Fixed income securities	98		—		98		—
Total	$	277	$	179	$	98	$	—

(1)Primarily composed of market index funds as of December 31, 2023.

			Fair Value Measurements at December 31, 2022
	Fair Value Total		Level 1		Level 2		Level 3
Asset category:
Cash and cash equivalents	$	19	$	19	$	—	$	—
Mutual funds(1)	146		146		—		—
Fixed income securities	94		—		94		—
Total	$	259	$	165	$	94	$	—

(1)Primarily composed of market index funds as of December 31, 2022.

The Level 1 plan assets are valued based on active market quotes. The Level 2 plan assets are valued based on the net asset value per share (or its equivalent) of the investments, which was not determinable through publicly published sources but was calculated consistent with authoritative accounting guidelines.

Schedule of Expected Benefit Payments [Table Text Block]

Benefit Payments

The Partnership’s estimate of expected benefit payments, which reflect expected future service, as appropriate, in each of the next five years and in the aggregate for the five years thereafter are shown in the following table:

	Pension Benefits - Funded Plans		Pension Benefits - Unfunded Plans		Other Postretirement Benefits (Gross, Before Medicare Part D)
2024	$	1	$	3	$	14
2025	1		3		14
2026	1		2		13
2027	1		2		12
2028	1		2		32
2029 – 2033	7		5		23

Schedule of Net Benefit Costs [Table Text Block]

Components of Net Periodic Benefit Cost

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Net periodic benefit cost:
Service cost	$	—	$	—	$	—	$	1
Interest cost	1		6		2		4
Expected return on plan assets	(1)		(12)		(2)		(11)
Prior service cost amortization	—		2		—		19
Actuarial gain amortization	—		(1)		—		—
Net periodic benefit cost	$	—	$	(5)	$	—	$	13

Defined Benefit Plan, Assumptions [Table Text Block]

The weighted-average assumptions used in determining benefit obligations at the dates indicated are shown in the following table:

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Discount rate	2.70	%	4.62	%	5.00	%	2.46	%

The weighted-average assumptions used in determining net periodic benefit cost for the periods presented are shown in the following table:

	December 31, 2023				December 31, 2022
	Pension Benefits		Other Postretirement Benefits		Pension Benefits		Other Postretirement Benefits
Discount rate	2.70	%	4.93	%	2.70	%	2.58	%
Expected return on assets:
Tax exempt accounts	7.00	%	7.00	%	7.00	%	7.00	%
Taxable accounts	—		4.75	%	—		4.75	%

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Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2023

Financial Information By Segment

The following tables present financial information by segment:

	Years Ended December 31,
	2023		2022		2021
Revenues:
Intrastate transportation and storage:
Revenues from external customers	$	3,222	$	6,954	$	7,307
Intersegment revenues	740		864		1,264
	3,962		7,818		8,571
Interstate transportation and storage:
Revenues from external customers	2,328		2,185		1,802
Intersegment revenues	47		66		39
	2,375		2,251		1,841
Midstream:
Revenues from external customers	2,911		4,114		2,620
Intersegment revenues	7,495		12,987		8,696
	10,406		17,101		11,316
NGL and refined products transportation and services:
Revenues from external customers	18,413		21,414		16,989
Intersegment revenues	3,490		4,243		2,972
	21,903		25,657		19,961
Crude oil transportation and services:
Revenues from external customers	26,534		25,980		17,442
Intersegment revenues	2		2		4
	26,536		25,982		17,446
Investment in Sunoco LP:
Revenues from external customers	23,026		25,677		17,571
Intersegment revenues	42		52		25
	23,068		25,729		17,596
Investment in USAC:
Revenues from external customers	824		689		621
Intersegment revenues	22		16		12
	846		705		633
All other:
Revenues from external customers	1,328		2,863		3,065
Intersegment revenues	470		711		411
	1,798		3,574		3,476
Eliminations	(12,308)		(18,941)		(13,423)
Total revenues	$	78,586	$	89,876	$	67,417

	Years Ended December 31,
	2023		2022		2021
Cost of products sold:
Intrastate transportation and storage	$	2,616	$	6,000	$	4,769
Interstate transportation and storage	6		25		11
Midstream	6,503		12,682		8,569
NGL and refined products transportation and services	17,049		21,656		16,248
Crude oil transportation and services	23,071		22,917		14,759
Investment in Sunoco LP	21,703		24,350		16,246
Investment in USAC	137		111		85
All other	1,740		3,328		3,068
Eliminations	(12,284)		(18,837)		(13,360)
Total cost of products sold	$	60,541	$	72,232	$	50,395

	Years Ended December 31,
	2023		2022		2021
Depreciation, depletion and amortization:
Intrastate transportation and storage	$	214	$	209	$	191
Interstate transportation and storage	563		513		457
Midstream	1,451		1,351		1,190
NGL and refined products transportation and services	915		865		778
Crude oil transportation and services	740		663		588
Investment in Sunoco LP	187		193		177
Investment in USAC	246		237		239
All other	69		133		197
Total depreciation, depletion and amortization	$	4,385	$	4,164	$	3,817

	Years Ended December 31,
	2023		2022		2021
Equity in earnings (losses) of unconsolidated affiliates:
Intrastate transportation and storage	$	17	$	17	$	20
Interstate transportation and storage	260		175		140
Midstream	15		19		24
NGL and refined products transportation and services	76		44		51
Crude oil transportation and services	11		(2)		10
All other	4		4		1
Total equity in earnings of unconsolidated affiliates	$	383	$	257	$	246

	Years Ended December 31,
	2023		2022		2021
Segment Adjusted EBITDA:
Intrastate transportation and storage	$	1,111	$	1,396	$	3,483
Interstate transportation and storage	2,009		1,753		1,515
Midstream	2,525		3,210		1,868
NGL and refined products transportation and services	3,894		3,025		2,828
Crude oil transportation and services	2,681		2,187		2,023
Investment in Sunoco LP	964		919		754
Investment in USAC	512		426		398
All Other	2		177		177
Adjusted EBITDA (consolidated)	$	13,698	$	13,093	$	13,046

	Years Ended December 31,
	2023		2022		2021
Reconciliation of net income to Adjusted EBITDA:
Net income	$	5,294	$	5,868	$	6,687
Depreciation, depletion and amortization	4,385		4,164		3,817
Interest expense, net of interest capitalized	2,578		2,306		2,267
Income tax expense	303		204		184
Impairment losses and other	12		386		21
Gains on interest rate derivatives	(36)		(293)		(61)
Non-cash compensation expense	130		115		111
Unrealized gains on commodity risk management activities	(3)		(42)		(162)
Inventory valuation adjustments	114		(5)		(190)
(Gains) losses on extinguishments of debt	(2)		—		38
Adjusted EBITDA related to unconsolidated affiliates	691		565		523
Equity in earnings of unconsolidated affiliates	(383)		(257)		(246)
Non-operating litigation-related loss	627		—		—
Other, net	(12)		82		57
Adjusted EBITDA (consolidated)	$	13,698	$	13,093	$	13,046

	December 31,
	2023		2022		2021
Segment assets:
Intrastate transportation and storage	$	6,112	$	6,609	$	7,322
Interstate transportation and storage	17,708		17,979		17,774
Midstream	25,592		21,851		21,960
NGL and refined products transportation and services	27,214		27,903		28,160
Crude oil transportation and services	25,464		19,200		19,649
Investment in Sunoco LP	6,826		6,830		5,815
Investment in USAC	2,737		2,666		2,768
All other and eliminations	2,045		2,605		2,515
Total segment assets	$	113,698	$	105,643	$	105,963

	Years Ended December 31,
	2023		2022		2021
Additions to property, plant and equipment (1):
Intrastate transportation and storage	$	93	$	179	$	52
Interstate transportation and storage	383		644		159
Midstream	832		1,004		484
NGL and refined products transportation and services	679		507		751
Crude oil transportation and services	266		246		343
Investment in Sunoco LP	215		186		174
Investment in USAC	300		169		60
All other	100		91		135
Total additions to property, plant and equipment (1)	$	2,868	$	3,026	$	2,158

(1)Amounts are presented on the accrual basis, net of contributions in aid of constructions costs. Amounts exclude acquisitions and include only the Partnership’s proportionate share of capital expenditures related to joint ventures.

	December 31,
	2023		2022		2021
Investments in unconsolidated affiliates:
Intrastate transportation and storage	$	144	$	139	$	110
Interstate transportation and storage	2,179		2,201		2,209
Midstream	141		54		101
NGL and refined products transportation and services	390		398		457
Crude oil transportation and services	187		48		19
All other	56		53		51
Total investments in unconsolidated affiliates	$	3,097	$	2,893	$	2,947

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Operations And Organization (Narrative) (Details) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Apr. 01, 2021
Incentive Distribution Rights	0.00%
Issued	3,367,525,806	3,094,425,367
Class B Preferred Units [Member] | Rollup Mergers
Issued			675,625,000
Sunoco LP [Member]
Incentive Distribution Rights	10000.00%
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.	28,500,000
USAC [Member]
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.	46,100,000
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	100.00%

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Estimates, Significant Accounting Policies and Balance Sheet Detail (Narrative) (Details) - USD ($) $ in Millions			3 Months Ended	12 Months Ended
	Nov. 03, 2023	Apr. 01, 2022	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Impairment losses and other				$ 12	$ 386	$ 21
Asset Retirement Obligation			$ 410	410	362
Costs Incurred, Asset Retirement Obligation Incurred				10	4	12
Asset Retirement Obligation, Legally Restricted Assets, Fair Value			31	31	27
Long-term Debt, Fair Value			51,930	51,930	45,420
Goodwill				1,455	33
Goodwill			4,019	4,019	2,566	2,533
Long-term Debt			$ 52,388	52,388	48,262
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net				0
Inventory Write-down				114	5	190
Revenues				78,586	89,876	67,417
Related Party
Revenues				$ 626	391	410
Minimum [Member] | Product storage and related facilities
Property, plant and equipment, useful life, minimum (years)			2 years	2 years
Maximum [Member] | Product storage and related facilities
Property, plant and equipment, useful life, minimum (years)			83 years	83 years
Reporting units for which the estimated FV exceeds the carrying value by less than 20%
Goodwill			$ 368	$ 368
Midstream
Goodwill				601	0
Goodwill			601	601	0	0
All Other
Goodwill				0	0
Goodwill			82	82	82	82
Investment in Sunoco LP
Goodwill				0	33
Goodwill			1,599	1,599	1,601	1,568
Retail Marketing [Member]
Excise Taxes Collected				274	285	332
Interstate Transportation and Storage
Goodwill				0	0
Goodwill			0	0	0	0
Investment in USAC
Goodwill				0	0
Goodwill			0	0	0	0
Crude Oil Transportation and Services
Goodwill				663	0
Goodwill			853	853	190	190
Intrastate Transportation and Storage
Goodwill				0	0
Goodwill			0	0	0	0
Sunoco LP [Member]
Goodwill		$ 20
Long-term Debt			3,580	3,580	3,571
Inventory, LIFO Reserve			230	230	116
USAC [Member]
Impairment losses and other				12	$ 1	$ 5
Sunoco LP [Member]
Goodwill				$ 33
Crestwood Acquisition
Goodwill	$ 1,455		$ 1,460

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Estimates (Schedule Of Net Changes In Operating Assets And Liabilities Included Cash Flows From Operating Activities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]
Accounts receivable	$ (171)	$ (863)	$ (3,356)
Accounts receivable from related companies	(5)	23	38
Inventories	35	(361)	(19)
Other current assets	(221)	326	216
Other non-current assets, net	(125)	146	1
Accounts payable	(501)	25	3,834
Accounts payable to related companies	(38)	6	(34)
Accrued and other current liabilities	209	131	238
Other non-current liabilities	(33)	66	117
Derivative assets and liabilities, net	(43)	(349)	(88)
Net change in operating assets and liabilities, net of effects of acquisitions	$ (451)	$ (1,502)	$ 515

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Estimates (Schedule Of Non-Cash Investing And Financing Activities) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
NON-CASH INVESTING ACTIVITIES: [Abstract]
Cash paid for interest, net of interest capitalized		$ 2,298	$ 2,167	$ 2,188
Cash paid for income taxes (net of refunds)		103	54	41
Accrued capital expenditures		442	575	464
Lease assets obtained in exchange for new lease liabilities		23	42	18
Acquisition of interest in unconsolidated affiliate		0	0	49
Enable Acquisition
NON-CASH INVESTING ACTIVITIES: [Abstract]
Units issued in connection with the Enable acquisition (1)	[1]	0	0	3,509
Units issued in connection with the Enable acquisition (1)	[1]	0	0	3,509
Crestwood Acquisition
NON-CASH INVESTING ACTIVITIES: [Abstract]
Units issued in connection with the Enable acquisition (1)	[1]	3,366	0	0
Units issued in connection with the Enable acquisition (1)	[1]	3,366	0	0
Lotus Midstream Acquisition
NON-CASH INVESTING ACTIVITIES: [Abstract]
Units issued in connection with the Enable acquisition (1)	[1]	574	0	0
Units issued in connection with the Enable acquisition (1)	[1]	$ 574	$ 0	$ 0

[1] See Note 3 for additional information.

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Estimates (Schedule of Inventory) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Inventory, Net [Abstract]
Natural gas, NGLs and refined products	$ 1,658	$ 1,802
Crude oil	258	246
Spare parts and other	562	413
Total inventories	$ 2,478	$ 2,461

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Estimates (Other Current Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Information [Abstract]
Deposits paid to vendors	$ 205	$ 334
Prepaid expenses and other	308	392
Total other current assets	$ 513	$ 726

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Estimates (Property, Plant and Equipment) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, gross	$ 114,932	$ 105,996
Less - Accumulated depreciation	(29,581)	(25,685)
Property, plant and equipment, net	$ 85,351	80,311
Minimum [Member] | Customer relationships, contracts and agreements (3 to 46 years)
Property, Plant and Equipment, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	3 years
Minimum [Member] | Other (5 to 20 years)
Property, Plant and Equipment, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	5 years
Maximum [Member] | Customer relationships, contracts and agreements (3 to 46 years)
Property, Plant and Equipment, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	46 years
Maximum [Member] | Patents (10 years)
Property, Plant and Equipment, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum [Member] | Trade names (20 years)
Property, Plant and Equipment, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	10 years
Maximum [Member] | Other (5 to 20 years)
Property, Plant and Equipment, Net [Abstract]
Finite-Lived Intangible Asset, Useful Life	20 years
Land and improvements
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, gross	$ 1,529	1,427
Buildings and improvements (1 to 45 years)
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, gross	3,848	3,546
Pipelines and equipment (5 to 83 years)
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, gross	88,195	82,353
Right of way (20 to 83 years)
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, gross	$ 7,379	6,252
Right of way (20 to 83 years) | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	20 years
Right of way (20 to 83 years) | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	83 years
Other (1 to 48 years) | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	1 year
Other (1 to 48 years) | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	48 years
Construction work-in-process
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, gross	$ 2,315	2,405
Product storage and related facilities
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, gross	$ 7,978	7,274
Product storage and related facilities | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	2 years
Product storage and related facilities | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	83 years
Other
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, gross	$ 3,688	$ 2,739
Buildings and improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	1 year
Buildings and improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	45 years
Pipelines And Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	5 years
Pipelines And Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, useful life, minimum (years)	83 years

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Estimates (Schedule Of Property, Plant And Equipment Depreciation And Capitalized Interest Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Depreciation, depletion and amortization expense	$ 3,986	$ 3,774	$ 3,465
Capitalized interest	$ 77	$ 112	$ 135
Property, Plant and Equipment [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year
2024	$ 434
2025	423
2026	417
2027	400
2028	$ 397
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Property, Plant and Equipment [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Property, Plant and Equipment [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Property, Plant and Equipment [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2026
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Property, Plant and Equipment [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2027
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01
Property, Plant and Equipment [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2028

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Estimates (Schedule of Other Non-Current Assets, net) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Crude pipeline linefill and tank bottoms	$ 598	$ 489
Regulatory assets	48	55
Pension assets	145	129
Deferred charges	148	140
Restricted funds	121	121
Other	673	624
Total other non-current assets, net	$ 1,733	$ 1,558

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Estimates (Components Of Intangibles And Other Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Gross Carrying Amount	$ 9,538	$ 8,324
Accumulated Amortization	(3,299)	(2,909)
Customer relationships, contracts and agreements (3 to 46 years)
Gross Carrying Amount	9,098	7,884
Accumulated Amortization	(3,196)	(2,807)
Patents (10 years)
Gross Carrying Amount	48	48
Accumulated Amortization	(48)	(48)
Trade names (20 years)
Gross Carrying Amount	66	66
Accumulated Amortization	(44)	(41)
Other (5 to 20 years)
Gross Carrying Amount	12	12
Accumulated Amortization	(11)	(13)
Total Amortizable Intangible Assets [Member]
Gross Carrying Amount	9,224	8,010
Accumulated Amortization	(3,299)	(2,909)
Trademarks [Member]
Gross Carrying Amount	302	302
Accumulated Amortization	0	0
Other
Gross Carrying Amount	12	12
Accumulated Amortization	0	0
Non-amortizable intangible assets [Member]
Gross Carrying Amount	314	314
Accumulated Amortization	$ 0	$ 0

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Estimates, Significant Accounting Policies and Balance Sheet Detail Estimates (Schedule of Useful Lives) (Details) (Details)	Dec. 31, 2023
Minimum [Member] | Customer relationships, contracts and agreements (3 to 46 years)
Intangible assets, useful life, minimum (years)	3 years
Minimum [Member] | Other (5 to 20 years)
Intangible assets, useful life, minimum (years)	5 years
Maximum [Member] | Customer relationships, contracts and agreements (3 to 46 years)
Intangible assets, useful life, minimum (years)	46 years
Maximum [Member] | Patents (10 years)
Intangible assets, useful life, minimum (years)	20 years
Maximum [Member] | Trade names (20 years)
Intangible assets, useful life, minimum (years)	10 years
Maximum [Member] | Other (5 to 20 years)
Intangible assets, useful life, minimum (years)	20 years
Right of way (20 to 83 years) | Minimum [Member]
Property, plant and equipment, useful life, minimum (years)	20 years
Right of way (20 to 83 years) | Maximum [Member]
Property, plant and equipment, useful life, minimum (years)	83 years
Other (1 to 48 years) | Minimum [Member]
Property, plant and equipment, useful life, minimum (years)	1 year
Other (1 to 48 years) | Maximum [Member]
Property, plant and equipment, useful life, minimum (years)	48 years

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Estimates (Aggregate Amortization Expense Of Intangibles And Other Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Reported in depreciation and amortization	$ 399	$ 390	$ 352

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Estimates (Estimated Aggregate Amortization Expense) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2024	$ 434
2025	423
2026	417
2027	400
2028	$ 397

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Estimates (Schedule Of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Goodwill	$ 2,566	$ 2,533
Goodwill	1,455	33
Goodwill	4,019	2,566
Goodwill, Other Changes	(2)
Intrastate Transportation and Storage
Goodwill [Roll Forward]
Goodwill	0	0
Goodwill	0	0
Goodwill	0	0
Goodwill, Other Changes	0
Interstate Transportation and Storage
Goodwill [Roll Forward]
Goodwill	0	0
Goodwill	0	0
Goodwill	0	0
Goodwill, Other Changes	0
Midstream
Goodwill [Roll Forward]
Goodwill	0	0
Goodwill	601	0
Goodwill	601	0
Goodwill, Other Changes	0
NGL and Refined Products Transportation and Services
Goodwill [Roll Forward]
Goodwill	693	693
Goodwill	191	0
Goodwill	884	693
Goodwill, Other Changes	0
Crude Oil Transportation and Services
Goodwill [Roll Forward]
Goodwill	190	190
Goodwill	663	0
Goodwill	853	190
Goodwill, Other Changes	0
Investment in Sunoco LP
Goodwill [Roll Forward]
Goodwill	1,601	1,568
Goodwill	0	33
Goodwill	1,599	1,601
Goodwill, Other Changes	(2)
Investment in USAC
Goodwill [Roll Forward]
Goodwill	0	0
Goodwill	0	0
Goodwill	0	0
Goodwill, Other Changes	0
All Other
Goodwill [Roll Forward]
Goodwill	82	82
Goodwill	0	0
Goodwill	82	$ 82
Goodwill, Other Changes	$ 0

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Estimates (Accrued And Other Current Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Information [Abstract]
Interest payable	$ 637	$ 559
Customer advances and deposits	240	222
Accrued capital expenditures	442	575
Accrued wages and benefits	406	376
Taxes payable other than income taxes	646	519
Exchanges payable	163	224
Deferred Revenue	312	268
Other	675	586
Accrued and other current liabilities	$ 3,521	$ 3,329

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Estimates (Fair Value Of Financial Assets And Liabilities Measured On Recurring Basis) (Details) - Fair Value, Recurring [Member] - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Commodity derivatives:	$ 610	$ 688
Other Assets, Fair Value Disclosure	31	27
Total assets	647	715
Interest rate derivatives	(4)	(23)
Commodity derivatives:	(460)	(526)
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(464)	(549)
Interest Rate Derivative Assets, at Fair Value	6	0
Level 1 [Member]
Commodity derivatives:	602	626
Other Assets, Fair Value Disclosure	20	18
Total assets	622	644
Interest rate derivatives	0	0
Commodity derivatives:	(460)	(473)
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(460)	(473)
Interest Rate Derivative Assets, at Fair Value	0	0
Level 2 [Member]
Commodity derivatives:	8	62
Other Assets, Fair Value Disclosure	11	9
Total assets	25	71
Interest rate derivatives	(4)	(23)
Commodity derivatives:	0	(53)
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(4)	(76)
Interest Rate Derivative Assets, at Fair Value	6	0
Commodity Derivatives - Power [Member] | Forwards Swaps [Member]
Commodity derivatives:	57	52
Commodity derivatives:	(56)	(51)
Commodity Derivatives - Power [Member] | Future [Member]
Commodity derivatives:	8	3
Commodity derivatives:	(8)	(3)
Commodity Derivatives - Power [Member] | Level 1 [Member] | Forwards Swaps [Member]
Commodity derivatives:	57	0
Commodity derivatives:	(56)
Commodity Derivatives - Power [Member] | Level 1 [Member] | Future [Member]
Commodity derivatives:	8	3
Commodity derivatives:	(8)	(3)
Commodity Derivatives - Power [Member] | Level 2 [Member] | Forwards Swaps [Member]
Commodity derivatives:	0	52
Commodity derivatives:	0	(51)
Commodity Derivatives - Power [Member] | Level 2 [Member] | Future [Member]
Commodity derivatives:	0	0
Commodity derivatives:	0	0
Commodity Derivatives - Refined Products [Member] | Future [Member]
Commodity derivatives:	35	20
Commodity derivatives:	(18)	(59)
Commodity Derivatives - Refined Products [Member] | Level 1 [Member] | Future [Member]
Commodity derivatives:	35	20
Commodity derivatives:	(18)	(59)
Commodity Derivatives - Refined Products [Member] | Level 2 [Member] | Future [Member]
Commodity derivatives:	0	0
Commodity derivatives:	0	0
Commodity Derivatives - Crude [Member] | Forwards Swaps [Member]
Commodity derivatives:	45	38
Commodity derivatives:	(37)	(12)
Commodity Derivatives - Crude [Member] | Level 1 [Member] | Forwards Swaps [Member]
Commodity derivatives:	45	38
Commodity derivatives:	(37)	(12)
Commodity Derivatives - Crude [Member] | Level 2 [Member] | Forwards Swaps [Member]
Commodity derivatives:	0	0
Commodity derivatives:	0	0
Commodity Derivatives - Natural Gas [Member] | Basis Swaps IFERC NYMEX [Member]
Commodity derivatives:	24	60
Commodity derivatives:	(3)	(25)
Commodity Derivatives - Natural Gas [Member] | Swing Swaps IFERC [Member]
Commodity derivatives:	20	75
Commodity derivatives:	(2)	(12)
Commodity Derivatives - Natural Gas [Member] | Fixed Swaps/Futures [Member]
Commodity derivatives:	77	113
Commodity derivatives:	(16)	(4)
Commodity Derivatives - Natural Gas [Member] | Forward Physical Contracts [Member]
Commodity derivatives:		(2)
Commodity Derivatives - Natural Gas [Member] | Forward Physical Swaps [Member]
Commodity derivatives:	8	10
Commodity Derivatives - Natural Gas [Member] | Put Option [Member]
Commodity derivatives:	(2)
Commodity Derivatives - Natural Gas [Member] | Level 1 [Member] | Basis Swaps IFERC NYMEX [Member]
Commodity derivatives:	24	60
Commodity derivatives:	(3)	(25)
Commodity Derivatives - Natural Gas [Member] | Level 1 [Member] | Swing Swaps IFERC [Member]
Commodity derivatives:	20	75
Commodity derivatives:	(2)	(12)
Commodity Derivatives - Natural Gas [Member] | Level 1 [Member] | Fixed Swaps/Futures [Member]
Commodity derivatives:	77	113
Commodity derivatives:	(16)	(4)
Commodity Derivatives - Natural Gas [Member] | Level 1 [Member] | Forward Physical Contracts [Member]
Commodity derivatives:		0
Commodity Derivatives - Natural Gas [Member] | Level 1 [Member] | Forward Physical Swaps [Member]
Commodity derivatives:	0	0
Commodity Derivatives - Natural Gas [Member] | Level 1 [Member] | Put Option [Member]
Commodity derivatives:	(2)
Commodity Derivatives - Natural Gas [Member] | Level 2 [Member] | Basis Swaps IFERC NYMEX [Member]
Commodity derivatives:	0	0
Commodity derivatives:	0
Commodity Derivatives - Natural Gas [Member] | Level 2 [Member] | Swing Swaps IFERC [Member]
Commodity derivatives:	0	0
Commodity derivatives:	0	0
Commodity Derivatives - Natural Gas [Member] | Level 2 [Member] | Fixed Swaps/Futures [Member]
Commodity derivatives:	0	0
Commodity derivatives:	0	0
Commodity Derivatives - Natural Gas [Member] | Level 2 [Member] | Forward Physical Contracts [Member]
Commodity derivatives:		(2)
Commodity Derivatives - Natural Gas [Member] | Level 2 [Member] | Forward Physical Swaps [Member]
Commodity derivatives:	8	10
Commodity Derivatives - Natural Gas [Member] | Level 2 [Member] | Put Option [Member]
Commodity derivatives:	0
Commodity Derivatives - NGLs [Member] | Forwards Swaps [Member]
Commodity derivatives:	336	317
Commodity derivatives:	(316)	(358)
Commodity Derivatives - NGLs [Member] | Put Option [Member]
Commodity derivatives:	(1)
Commodity Derivatives - NGLs [Member] | Options - Calls [Member]
Commodity derivatives:	(1)
Commodity Derivatives - NGLs [Member] | Level 1 [Member] | Forwards Swaps [Member]
Commodity derivatives:	336	317
Commodity derivatives:	(316)	(358)
Commodity Derivatives - NGLs [Member] | Level 1 [Member] | Put Option [Member]
Commodity derivatives:	(1)
Commodity Derivatives - NGLs [Member] | Level 1 [Member] | Options - Calls [Member]
Commodity derivatives:	(1)
Commodity Derivatives - NGLs [Member] | Level 2 [Member] | Forwards Swaps [Member]
Commodity derivatives:	0	0
Commodity derivatives:	0	$ 0
Commodity Derivatives - NGLs [Member] | Level 2 [Member] | Put Option [Member]
Commodity derivatives:	0
Commodity Derivatives - NGLs [Member] | Level 2 [Member] | Options - Calls [Member]
Commodity derivatives:	$ 0

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Acquisitions and Related Transactions Acquisitions (Details) $ / shares in Units, NAƒ in Millions									1 Months Ended		3 Months Ended	12 Months Ended
	Jan. 24, 2024 USD ($) shares	Jan. 11, 2024 USD ($)	Jan. 11, 2024 ANG (NAƒ)	Nov. 03, 2023 USD ($) $ / shares shares	May 02, 2023 USD ($) shares	May 01, 2023 USD ($)	Apr. 01, 2022 USD ($)	Dec. 02, 2021 USD ($) shares	Nov. 30, 2022 USD ($)	Feb. 28, 2021 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)	Jan. 22, 2024
Business Acquisition [Line Items]
Goodwill												$ 1,455,000,000	$ 33,000,000
Impairment losses and other												12,000,000	$ 386,000,000	$ 21,000,000
Deconsolidation, Gain (Loss), Amount												$ 85,000,000
Preferred Units, Issued | shares											113,648,967	113,648,967	72,184,780
Sunoco LP [Member]
Business Acquisition [Line Items]
Goodwill							$ 20,000,000
Other Payments to Acquire Businesses							252,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill							98,000,000
Total assets acquired							73,000,000
Spindletop Assets
Business Acquisition [Line Items]
Asset Acquisition, Consideration Transferred												$ 325,000,000
ET Canada
Business Acquisition [Line Items]
Sale of Stock, Percentage of Ownership before Transaction												51.00%
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates												$ 302,000,000
Impairment losses and other												300,000,000
ET Canada | Noncontrolling Interest
Business Acquisition [Line Items]
Impairment losses and other												164,000,000
ET Canada | Common Unitholders
Business Acquisition [Line Items]
Impairment losses and other												136,000,000
Woodford Express Acquisition
Business Acquisition [Line Items]
Repayments of Debt												292,000,000
Total consideration, net of cash received												$ 485,000,000
Working Capital | Sunoco LP [Member]
Business Acquisition [Line Items]
Total assets acquired							$ 76,000,000
Peerless | Sunoco LP [Member]
Business Acquisition [Line Items]
Other Payments to Acquire Businesses									$ 67,000,000
Crestwood Acquisition
Business Acquisition [Line Items]
Goodwill				$ 1,455,000,000							$ 1,460,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				1,139,000,000
Total assets acquired				8,157,000,000
Total consideration, net of cash received				3,645,000,000
Cash received				$ 12,000,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares				216,000,000
Total current assets				$ 657,000,000
Property, plant and equipment, net				4,772,000,000
Investments in unconsolidated affiliates				95,000,000
Lease right-of-use assets, net				27,000,000
Other non-current assets				12,000,000
Total current liabilities				445,000,000
Long-term debt, less current maturities				3,461,000,000
Other non-current liabilities				322,000,000
Total liabilities assumed				4,228,000,000
Total consideration				3,657,000,000
Noncontrolling interests				272,000,000
Payments to Acquire Businesses, Gross				300,000,000
Crestwood Acquisition | Senior Notes [Member]
Business Acquisition [Line Items]
Long-term debt, less current maturities				2,850,000,000
Crestwood Acquisition | Revolving Credit Facility
Business Acquisition [Line Items]
Long-term debt, less current maturities				$ 613,000,000
Crestwood Acquisition | Series I Preferred Units
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares				41,000,000
Crestwood
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares												2.07
Crestwood | Series I Preferred Units
Business Acquisition [Line Items]
Preferred Stock, Redemption Price Per Share | $ / shares				$ 9.857484
Lotus Midstream Acquisition
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill					$ 75,000,000
Total assets acquired					1,551,000,000
Total consideration, net of cash received					1,504,000,000
Cash received					$ 4,000,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares					44,500,000
Total current assets					$ 61,000,000
Property, plant and equipment, net					1,263,000,000
Investments in unconsolidated affiliates					138,000,000
Lease right-of-use assets, net					10,000,000
Other non-current assets					4,000,000
Total current liabilities					27,000,000
Other non-current liabilities					16,000,000
Total liabilities assumed					43,000,000
Total consideration					1,508,000,000
Payments to Acquire Businesses, Gross					930,000,000
Equity Issued in Business Combination, Fair Value Disclosure					$ 574,000,000
Zenith Energy | Sunoco LP [Member]
Business Acquisition [Line Items]
Other Payments to Acquire Businesses						$ 111,000,000
Number of Units in Real Estate Property						16
Zenith Energy | Sunoco LP [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Business Combination, Price of Acquisition, Expected | NAƒ			NAƒ 170
Enable
Business Acquisition [Line Items]
Goodwill								$ 138,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								440,000,000
Total assets acquired								8,326,000,000
Total consideration, net of cash received								3,458,000,000		$ 10,000,000
Cash received								61,000,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares										0.8595
Total current assets								593,000,000
Property, plant and equipment, net								7,076,000,000
Other non-current assets								39,000,000
Total current liabilities								488,000,000
Long-term debt, less current maturities								4,267,000,000
Other non-current liabilities								18,000,000
Total liabilities assumed								4,773,000,000
Total consideration								3,519,000,000
Noncontrolling interests								34,000,000
Senior Notes								3,180,000,000
Enable | Enable 2019 Term Loan Agreement
Business Acquisition [Line Items]
Line of Credit Facility, Current Borrowing Capacity								800,000,000
Enable | Enable Five-Year Revolving Credit Facility
Business Acquisition [Line Items]
Line of Credit Facility, Current Borrowing Capacity								$ 35,000,000
Enable | Series G Preferred Units [Member]
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares										0.0265
Preferred Units, Issued | shares								384,780
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned								$ 3,500,000,000
Nustar Acquisition | Sunoco LP [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares	0.4
Business Combination, Price of Acquisition, Expected	$ 7,300,000,000
Nustar Acquisition | Sunoco LP [Member] | Subsequent Event [Member] | Miles of pipeline [Member]
Business Acquisition [Line Items]
Number of Units in Real Estate Property															9,500
Nustar Acquisition | Sunoco LP [Member] | Subsequent Event [Member] | Terminal and storage facilities [Member]
Business Acquisition [Line Items]
Number of Units in Real Estate Property															63
7-Eleven | Sunoco LP [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Number of Units in Real Estate Property		204	204
Business Combination, Price of Acquisition, Expected		$ 1,000,000,000.00

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Acquisitions (Schedule Of Assets Acquired And Liabilities Assumed In Acquisition Table) (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Dec. 02, 2021	Feb. 28, 2021	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill			$ 1,455	$ 33
Enable
Business Acquisition [Line Items]
Total current assets	$ 593
Property, plant and equipment, net	7,076
Intangible assets, net	440
Goodwill	138
Total consideration	3,519
Total assets acquired	8,326
Total current liabilities	488
Long-term debt, less current maturities	4,267
Other non-current liabilities	18
Total liabilities assumed	4,773
Cash received	61
Noncontrolling interests	34
Other non-current assets	39
Total consideration, net of cash received	3,458	$ 10
Enable | Enable Five-Year Revolving Credit Facility
Business Acquisition [Line Items]
Line of Credit Facility, Current Borrowing Capacity	35
Enable | Investments in Unconsolidated Affiliates
Business Acquisition [Line Items]
Investments in unconsolidated affiliates	$ 40
Woodford Express Acquisition
Business Acquisition [Line Items]
Total consideration, net of cash received			$ 485

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Advances to and Investments in Unconsolidated Affiliates Narrative (Details)	Dec. 31, 2023
Citrus [Member]
Interest ownership	50.00%
FGT [Member]
Interest ownership	100.00%
Midcontinent Express Pipeline, LLC [Member]
Interest ownership	50.00%
White Cliffs
Interest ownership	51.00%
Explorer
Interest ownership	15.00%

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Advances to and Investments in Unconsolidated Affiliates Investment in Affiliates (Carrying Values) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Investments in unconsolidated affiliates	$ 3,097	$ 2,893	$ 2,947
Equity in earnings of unconsolidated affiliates	383	257	246
Other Affiliates [Member]
Equity in earnings of unconsolidated affiliates	103	89	82
Citrus [Member]
Investments in unconsolidated affiliates	1,811	1,800
Equity in earnings of unconsolidated affiliates	146	141	157
MEP [Member]
Investments in unconsolidated affiliates	332	360
Equity in earnings of unconsolidated affiliates	87	10	(17)
White Cliffs
Investments in unconsolidated affiliates	203	218
Equity in earnings of unconsolidated affiliates	10	(8)	0
Other
Investments in unconsolidated affiliates	684	446
Explorer
Investments in unconsolidated affiliates	67	69
Equity in earnings of unconsolidated affiliates	$ 37	$ 25	$ 24

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Investments in Affiliates (Summarized Balance Sheet Information) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Assets, Current	$ 12,433	$ 12,081
Other non-current assets, net	1,733	1,558
Assets	113,698	105,643	$ 105,963
Current Liabilities	11,277	10,368
Equity	43,939	40,659	$ 39,345	$ 31,388
Liabilities and Equity	113,698	105,643
Equity Method Investments [Member]
Schedule of Investments [Line Items]
Assets, Current	378	311
Property, plant and equipment, net	7,582	7,722
Other non-current assets, net	88	86
Assets	8,048	8,119
Current Liabilities	260	291
Non-current liabilities	4,379	4,347
Equity	3,409	3,481
Liabilities and Equity	$ 8,048	$ 8,119

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Investments in Affiliates (Summarized Income Statement Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Revenues	$ 78,586	$ 89,876	$ 67,417
Net income	5,294	5,868	6,687
Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	1,798	1,518	1,393
Equity Method Investments Summarized Financial Information, Operating Income	1,012	704	684
Net income	$ 735	$ 463	$ 446

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Net Income Per Limited Partner Unit (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
NET INCOME	$ 5,294	$ 5,868	$ 6,687
Less: Net income attributable to redeemable noncontrolling interests	60	51	50
NET INCOME ATTRIBUTABLE TO PARTNERS	3,935	4,756	5,470
Dilutive effect of equity-based compensation of subsidiaries and distributions to convertible units	(1)	(2)	(2)
Diluted income available to Common Unitholders	$ 3,468	$ 4,328	$ 5,177
Weighted average common units	3,161.7	3,086.8	2,734.4
Basic	$ 1.10	$ 1.40	$ 1.89
Dilutive effect of unconverted unit awards and ET Series A Convertible Preferred Units	15.5	10.2	5.1
Weighted average common units, assuming dilutive effect of unvested unit awards	3,177.2	3,097.0	2,739.5
Diluted	$ 1.09	$ 1.40	$ 1.89
Limited Partners’ interest in net income	$ 3,469	$ 4,330	$ 5,179
Less: Net income attributable to noncontrolling interests	1,299	1,061	1,167
General Partner’s interest in net income	(3)	(4)	(6)
Preferred Unitholders’ interest in net income	$ 463	$ 422	$ 285

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Debt Obligations Debt Obligations (Schedule Of Debt Obligations) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Other Long-term Debt		$ 18	$ 3
Long-term Debt		52,388	48,262
Current maturities of long-term debt		1,008	2
Long-term debt, less current maturities		51,380	48,260
Five Year Credit Facility
Debt Instrument [Line Items]
Long-term Line of Credit		1,410
Bakken Project [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net		(1)	(1)
Deferred Finance Costs, Noncurrent, Net		(4)	(7)
Long-term Debt		1,845	1,842
Bakken Project [Member] | 3.90% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		3.90% Senior Notes due April 1, 2024
Bakken Project [Member] | 4.625% Senior Notes due 2029 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 850	850
Long-term Debt, Description		4.625% Senior Notes due April 1, 2029
Sunoco LP [Member]
Debt Instrument [Line Items]
Capital Lease Obligations		$ 94	94
Deferred Finance Costs, Noncurrent, Net		(25)	(23)
Long-term Debt		3,580	3,571
Sunoco LP [Member] | 6.00% Senior Notes due April 15, 2027 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 600	600
Long-term Debt, Description		6.00% Senior Notes Due April 15, 2027
Sunoco LP [Member] | Sunoco LP $1.5 billion Revolving Credit Facility due July 2023 [Member]
Debt Instrument [Line Items]
Long-term Line of Credit		$ 411	900
Long-term Debt, Description		Sunoco LP Credit Facility due April 7, 2027
Sunoco LP [Member] | 5.875% senior notes due 2028 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 400	400
Long-term Debt, Description		5.875% Senior Notes Due March 15, 2028
Sunoco LP [Member] | 4.50% Senior Notes due May 15, 2029
Debt Instrument [Line Items]
Senior Notes		$ 800	800
Long-term Debt, Description		4.50% Senior Notes due May 15, 2029
Sunoco LP [Member] | 4.50% Senior Notes due April 30, 2030
Debt Instrument [Line Items]
Senior Notes		$ 800	800
Long-term Debt, Description		4.50% Senior Notes due April 30, 2030
Sunoco LP [Member] | 7.00% Senior Notes Due 2028
Debt Instrument [Line Items]
Senior Notes		$ 500	0
Long-term Debt, Description		7.00% Senior Notes due September 25, 2028
Transwestern [Member]
Debt Instrument [Line Items]
Long-term Debt		$ 250	250
Transwestern [Member] | 5.66% Senior Unsecured Notes, due December 9, 2024 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 175	175
Long-term Debt, Description		5.66% Senior Notes due December 9, 2024(3)
Transwestern [Member] | 6.16% Senior Unsecured Notes, due May 24, 2037 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 75	75
Long-term Debt, Description		6.16% Senior Notes due May 24, 2037
USA Compression Partners, LP [Member]
Debt Instrument [Line Items]
Long-term Line of Credit	[1]	$ 872	646
Deferred Finance Costs, Noncurrent, Net		(11)	(14)
Long-term Debt		$ 2,336	2,107
Long-term Debt, Description		USAC Credit Facility due December 2026(6)
USA Compression Partners, LP [Member] | 6.875% Senior notes due April 2026 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 725	725
Long-term Debt, Description		6.875% Senior Notes due April 1, 2026
USA Compression Partners, LP [Member] | 6.875% Senior Notes due September 2027 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 750	750
Long-term Debt, Description		6.875% Senior Notes due September 1, 2027
SemGroup [Member]
Debt Instrument [Line Items]
Long-term Debt		$ 0	225
SemGroup [Member] | HFOTCO Tax Exempt Notes due 2050 [Member]
Debt Instrument [Line Items]
Senior Notes	[2]	$ 0	225
Long-term Debt, Description		HFOTCO Tax Exempt Notes due 2050 (5)
ET [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net		$ 128	184
Deferred Finance Costs, Noncurrent, Net		(197)	(181)
Long-term Debt		44,359	40,264
ET [Member] | 5.875% Senior Notes due January 15, 2024 [Member]
Debt Instrument [Line Items]
Senior Notes	[3],[4]	$ 1,127	1,127
Long-term Debt, Description		5.875% Senior Notes due January 15, 2024(2)(3)
ET [Member] | 5.5% Senior Notes due June 1, 2027 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 956	956
Long-term Debt, Description		5.50% Senior Notes due June 1, 2027
ET [Member] | 4.25% Senior Notes due March 15, 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	[5]	$ 0	995
Long-term Debt, Description		4.25% Senior Notes due March 15, 2023(1)
ET [Member] | 7.60% Senior Notes, due February 1, 2024 [Member]
Debt Instrument [Line Items]
Senior Notes	[5]	$ 0	277
Long-term Debt, Description		7.60% Senior Notes due February 1, 2024(1)
ET [Member] | 4.05% Senior Notes due March 2025 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		4.05% Senior Notes due March 15, 2025
ET [Member] | 4.75% Senior Notes due January 2026 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		4.75% Senior Notes due January 15, 2026
ET [Member] | 8.25% Senior Notes, due November 14, 2029 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 267	267
Long-term Debt, Description		8.25% Senior Notes due November 15, 2029
ET [Member] | 4.90% Senior Notes due March 2035 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 500	500
Long-term Debt, Description		4.90% Senior Notes due March 15, 2035
ET [Member] | 6.625% Senior Notes, due October 15, 2036 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 400	400
Long-term Debt, Description		6.625% Senior Notes due October 15, 2036
ET [Member] | 5.80% Senior Notes due 2038 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 500	500
Long-term Debt, Description		5.80% Senior Notes due June 15, 2038
ET [Member] | 7.5% Senior Notes, due July 1, 2038 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 550	550
Long-term Debt, Description		7.50% Senior Notes due July 1, 2038
ET [Member] | Senior Notes 6.05% Due June 1, 2041 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 700	700
Long-term Debt, Description		6.05% Senior Notes due June 1, 2041
ET [Member] | Senior Notes 6.50% Due February 1, 2042 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		6.50% Senior Notes due February 1, 2042
ET [Member] | 5.15% Senior Notes due February 1, 2043 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 450	450
Long-term Debt, Description		5.15% Senior Notes due February 1, 2043
ET [Member] | 5.95% Senior Notes due October 1, 2043 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 450	450
Long-term Debt, Description		5.95% Senior Notes due October 1, 2043
ET [Member] | 5.15% Senior Notes due March 2045 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		5.15% Senior Notes due March 15, 2045
ET [Member] | 6.125% Senior Notes due December 2045 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		6.125% Senior Notes due December 15, 2045
ET [Member] | 5.30% Senior Notes due April 2047 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 900	900
Long-term Debt, Description		5.30% Senior Notes due April 15, 2047
ET [Member] | 5.40% Senior Notes due October 1, 2047 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,500	1,500
Long-term Debt, Description		5.40% Senior Notes due October 1, 2047
ET [Member] | 6.0% Senior Notes due 2048 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		6.00% Senior Notes due June 15, 2048
ET [Member] | 6.25% Senior Notes due 2049 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,750	1,750
Long-term Debt, Description		6.25% Senior Notes due April 15, 2049
ET [Member] | 7.2% Junior Subordinated Notes due November 21, 2066 [Member]
Debt Instrument [Line Items]
Junior Subordinated Notes		$ 600	600
ET [Member] | 9.00% Debentures, due 2024 [Member]
Debt Instrument [Line Items]
Subordinated Debt	[3]	$ 65	65
Long-term Debt, Description		9.00% Debentures due November 1, 2024(3)
ET [Member] | 3.45% Senior Notes due January 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	[5]	$ 0	350
Long-term Debt, Description		3.45% Senior Notes due January 15, 2023(1)
ET [Member] | 6.85% Senior Notes, due February 15, 2040 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 250	250
Long-term Debt, Description		6.85% Senior Notes due February 15, 2040
ET [Member] | 4.25% Senior Notes due April 1, 2024 [Member]
Debt Instrument [Line Items]
Senior Notes	[3]	$ 500	500
Long-term Debt, Description		4.25% Senior Notes due April 1, 2024(3)
ET [Member] | 4.5% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Senior Notes	[3]	$ 750	750
Long-term Debt, Description		4.50% Senior Notes due April 15, 2024(3)
ET [Member] | 5.95% Senior Notes due December 2025 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 400	400
Long-term Debt, Description		5.95% Senior Notes due December 1, 2025
ET [Member] | 3.90% Senior Notes due July 15, 2026 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 550	550
Long-term Debt, Description		3.90% Senior Notes due July 15, 2026
ET [Member] | 4.20% Senior Notes due April 2027 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 600	600
Long-term Debt, Description		4.20% Senior Notes due April 15, 2027
ET [Member] | 4.00% Senior Notes due October 1, 2027 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 750	750
Long-term Debt, Description		4.00% Senior Notes due October 1, 2027
ET [Member] | 4.95% Senior Notes due 2028 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		4.95% Senior Notes due June 15, 2028
ET [Member] | 5.25% Senior Notes due 2029 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 1,500	1,500
Long-term Debt, Description		5.25% Senior Notes due April 15, 2029
ET [Member] | Senior Note 6.10%, due February 15, 2042 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 300	300
Long-term Debt, Description		6.10% Senior Notes due February 15, 2042
ET [Member] | 5.30% Senior Notes due April 1, 2044 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 700	700
Long-term Debt, Description		5.30% Senior Notes due April 1, 2044
ET [Member] | 5.35% Senior Notes due May 15, 2045 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 800	800
Long-term Debt, Description		5.35% Senior Notes due May 15, 2045
ET [Member] | 7.00% Senior Notes, due July 15, 2029 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 66	66
Long-term Debt, Description		7.00% Senior Notes due July 15, 2029
ET [Member] | 4.5% Senior Notes due November 1, 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	[5]	$ 0	600
Long-term Debt, Description		4.50% Senior Notes due November 1, 2023(1)
ET [Member] | 4.9% Senior Notes due February 1, 2024 [Member]
Debt Instrument [Line Items]
Senior Notes	[3],[4]	$ 350	350
Long-term Debt, Description		4.90% Senior Notes due February 1, 2024(2)(3)
ET [Member] | 3.6% Senior Notes due February 1, 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	[5]	$ 0	800
Long-term Debt, Description		3.60% Senior Notes due February 1, 2023(1)
ET [Member] | 4.20% Senior Notes due 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	[5]	$ 0	500
Long-term Debt, Description		4.20% Senior Notes due September 15, 2023(1)
ET [Member] | 2.9% Senior Notes due May 15, 2025
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		2.90% Senior Notes due May 15, 2025
ET [Member] | 3.75 Senior Notes due May 15, 2030
Debt Instrument [Line Items]
Senior Notes		$ 1,500	1,500
Long-term Debt, Description		3.75% Senior Note due May 15, 2030
ET [Member] | 5.00% Senior Notes due May 15, 2050
Debt Instrument [Line Items]
Senior Notes		$ 2,000	2,000
Long-term Debt, Description		5.00% Senior Notes due May 15, 2050
ET [Member] | Five Year Credit Facility
Debt Instrument [Line Items]
Long-term Line of Credit		$ 1,412	793
ET [Member] | 5.00% Senior Notes due May 15, 2044
Debt Instrument [Line Items]
Senior Notes		$ 531	531
Long-term Debt, Description		5.00% Senior Notes due May 15, 2044
ET [Member] | 3.90% Senior Notes due May 15, 2024
Debt Instrument [Line Items]
Senior Notes	[3]	$ 600	600
Long-term Debt, Description		3.90% Senior Notes due May 15, 2024(3)
ET [Member] | 4.40% Senior Notes due March 15, 2027
Debt Instrument [Line Items]
Senior Notes		$ 700	700
Long-term Debt, Description		4.40% Senior Notes due March 15, 2027
ET [Member] | 4.95% Senior Notes due May 15, 2028
Debt Instrument [Line Items]
Senior Notes		$ 800	800
Long-term Debt, Description		4.95% Senior Notes due May 15, 2028
ET [Member] | 4.15% Senior Notes due September 15, 2029
Debt Instrument [Line Items]
Senior Notes		$ 547	547
Long-term Debt, Description		4.15% Senior Notes due September 15, 2029
ET [Member] | 4.25% Senior Notes due March 15, 2023
Debt Instrument [Line Items]
Senior Notes	[5]	$ 0	5
Long-term Debt, Description		4.25% Senior Notes due March 15, 2023(1)
ET [Member] | 5.875% Senior Notes due January 15, 2024
Debt Instrument [Line Items]
Senior Notes	[3],[4]	$ 23	23
Long-term Debt, Description		5.875% Senior Notes due January 15, 2024(2)(3)
ET [Member] | 5.5% Senior Notes due June 1, 2027
Debt Instrument [Line Items]
Senior Notes		$ 44	44
Long-term Debt, Description		5.50% Senior Notes due June 1, 2027
ET [Member] | 5.55% Senior Notes due February 15, 2028
Debt Instrument [Line Items]
Senior Notes		$ 1,000	1,000
Long-term Debt, Description		5.55% Senior Notes due February 15, 2028
ET [Member] | 5.75% Senior Notes due February 15, 2023
Debt Instrument [Line Items]
Senior Notes		$ 1,500	1,500
Long-term Debt, Description		5.75% Senior Notes due February 15, 2033
ET [Member] | 8.25% Senior Notes due to November 15, 2029 - Previously held by Panhandle
Debt Instrument [Line Items]
Senior Notes		$ 33	33
Long-term Debt, Description		8.25% Senior Notes due November 15, 2029
ET [Member] | 7.60% Senior Notes, due February 1, 2024, previously held by Panhandle
Debt Instrument [Line Items]
Senior Notes	[3],[4]	$ 82	82
Long-term Debt, Description		7.60% Senior Notes due February 1, 2024(2)(3)
ET [Member] | 4.95% Senior Notes due January 2043 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 350	350
Long-term Debt, Description		4.95% Senior Notes due January 15, 2043
ET [Member] | 5.75% Senior Notes due April 1, 2025
Debt Instrument [Line Items]
Senior Notes	[6]	$ 500	0
Long-term Debt, Description		5.75% Senior Notes due April 1, 2025(4)
ET [Member] | 6.05% Senior Notes due December 1, 2026
Debt Instrument [Line Items]
Senior Notes		$ 1,000	0
Long-term Debt, Description		6.05% Senior Notes due December 1, 2026
ET [Member] | 6.05% Senior Notes due December 1, 2027
Debt Instrument [Line Items]
Senior Notes	[6]	$ 600	0
Long-term Debt, Description		6.05% Senior Notes due May 1, 2027(4)
ET [Member] | 6.10% Senior Notes due December 1, 2028
Debt Instrument [Line Items]
Senior Notes		$ 500	0
Long-term Debt, Description		6.10% Senior Notes due December 1, 2028
ET [Member] | 6.0% Senior Notes due February 1, 2029
Debt Instrument [Line Items]
Senior Notes	[6]	$ 700	0
Long-term Debt, Description		6.00% Senior Notes due February 1, 2029(4)
ET [Member] | 8.0% Senior Notes due April 1, 2029
Debt Instrument [Line Items]
Senior Notes	[6]	$ 450	0
Long-term Debt, Description		8.00% Senior Notes due April 1, 2029(4)
ET [Member] | 6.40% Senior Notes due December 1, 2030
Debt Instrument [Line Items]
Senior Notes		$ 1,000	0
Long-term Debt, Description		6.40% Senior Notes due December 1, 2030
ET [Member] | 7.38 % Senior Notes due April 1, 2031
Debt Instrument [Line Items]
Senior Notes	[6]	$ 600	0
Long-term Debt, Description		7.38% Senior Notes due April 1, 2031(4)
ET [Member] | 4.05% Senior Notes due June 1, 2033
Debt Instrument [Line Items]
Senior Notes	[2]	$ 225	0
Long-term Debt, Description		4.05% Tax-Exempt Bonds due June 1, 2033(5)
ET [Member] | 6.55% Senior Notes due December 1, 2033
Debt Instrument [Line Items]
Senior Notes		$ 1,500	$ 0
Long-term Debt, Description		6.55% Senior Notes due December 1,2033

[1] The USAC Credit Facility matures in December 2026, except that if any portion of the 6.875% Senior Notes due 2026 are outstanding on December 31, 2025, the USAC Credit Facility will mature on December 31, 2025.

[2] In May 2023, the Partnership refinanced all of the $225 million outstanding principal amount of HFOTCO tax-exempt bonds with new 10-year tax-exempt bonds. The new bonds, which were issued through the Harris County Industrial Development Corporation and are obligations of Energy Transfer, accrue interest at a fixed rate of 4.05% and are mandatorily redeemable in 2033. Upon redemption, these tax-exempt bonds may be remarketed on different terms through final maturity of November 1, 2050.

[3] As of December 31, 2023, these notes were classified as long-term as management had the intent and ability to refinance the borrowings on a long-term basis.

[4] These notes were redeemed subsequent to December 31, 2023

[5] These notes were redeemed in 2023.

[6] These notes, totaling $2.85 billion aggregate principal amount, were assumed by the Partnership in connection with the closing of the Crestwood acquisition in November 2023.

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Debt Obligations Debt Obligations (Future Maturities of Long-Term Debt) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Debt Obligations [Abstract]
2024	$ 4,672
2025	2,900
2026	4,147
2027	6,823
2028	4,200
Thereafter	29,756
Long-term Debt	$ 52,498
Schedule of Capitalization, Long-Term Debt [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year
2024	$ 4,672
2025	2,900
2026	4,147
2027	6,823
2028	4,200
Thereafter	29,756
Long-term Debt, Gross	$ 52,498
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Schedule of Capitalization, Long-Term Debt [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Schedule of Capitalization, Long-Term Debt [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Schedule of Capitalization, Long-Term Debt [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2026
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Schedule of Capitalization, Long-Term Debt [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2027
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01
Schedule of Capitalization, Long-Term Debt [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2028

XML

Debt Obligations (Debt Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Unamortized Discounts, Premiums, Fair Value Adjustments and Deferred Debt Issuance Costs	$ (237)
Five Year Credit Facility
Line of Credit Facility, Current Borrowing Capacity	5,000
Letters of Credit Outstanding, Amount	29
Line of Credit Facility, Remaining Borrowing Capacity	$ 3,560
Line of Credit Facility, Interest Rate at Period End	5.87%
Outstanding borrowings	$ 1,410
Commercial Paper	1,370
Senior Notes due 2034
Senior Notes	$ 1,250
Debt Instrument, Interest Rate, Stated Percentage	5.55%
Senior Notes due 2054
Senior Notes	$ 1,750
Debt Instrument, Interest Rate, Stated Percentage	5.95%
Junior Subordinated Noes due 2054
Debt Instrument, Interest Rate, Stated Percentage	8.00%
Junior Subordinated Notes	$ 800
HFOTCO tax-exempt bonds
Debt Instrument, Interest Rate, Stated Percentage	4.05%
Unsecured Debt	$ 225
6.875% Senior Notes due 2026
Debt Instrument, Interest Rate, Stated Percentage	6.875%
USAC [Member] | USAC Credit Facility, due 2023 [Member]
Line of Credit Facility, Current Borrowing Capacity	$ 728
Letters of Credit Outstanding, Amount	0
Line of Credit Facility, Remaining Borrowing Capacity	$ 529
Line of Credit Facility, Interest Rate at Period End	7.98%
Outstanding borrowings	$ 872
Line of Credit Facility, Maximum Borrowing Capacity	1,600
Sunoco LP [Member] | Sunoco LP $1.5 billion Revolving Credit Facility due July 2023 [Member]
Line of Credit Facility, Current Borrowing Capacity	1,500
Letters of Credit Outstanding, Amount	5
Line of Credit Facility, Remaining Borrowing Capacity	$ 1,080
Line of Credit Facility, Interest Rate at Period End	7.54%
Outstanding borrowings	$ 411	$ 900
Accordion feature [Member] | Five Year Credit Facility
Line of Credit Facility, Current Borrowing Capacity	$ 7,000

XML

Debt Obligations Debt Obligations (Covenants Related To Credit Agrrements) (Narrative) (Details)	12 Months Ended
	Dec. 31, 2023
USAC Credit Facility, due 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Description	The USAC Credit Facility is also subject to the following financial covenants, including covenants requiring USAC to maintain:•a minimum EBITDA to interest coverage ratio;•a ratio of total secured indebtedness to EBITDA within a specified range; and •a maximum funded debt to EBITDA ratio.
Five Year Credit Facility | ET [Member]
Debt Instrument [Line Items]
Leverage Ratio Maximum	5.00
Maximum Leverage Ratio Permitted	5.50
Supplementary Leverage Ratio	0.0331
Five Year Credit Facility | Minimum [Member] | ET [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage	0.125%
Five Year Credit Facility | Minimum [Member] | ET [Member] | Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.125%
Five Year Credit Facility | Minimum [Member] | ET [Member] | Base Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.125%
Five Year Credit Facility | Maximum [Member] | ET [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage	0.30%
Five Year Credit Facility | Maximum [Member] | ET [Member] | Eurodollar [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Five Year Credit Facility | Maximum [Member] | ET [Member] | Base Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%
Sunoco LP Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Covenant Description	Sunoco LP’s Credit Facility requires Sunoco LP to maintain a specified net leverage ratio and interest coverage ratio.

XML

Redeemable Preferred Units (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Jan. 12, 2024	Dec. 31, 2022
Redeemable noncontrolling interests	$ 778		$ 493
Preferred Units, Issued	113,648,967		72,184,780
Preferred Units, Outstanding	113,648,967		72,184,780
USAC [Member]
Redeemable noncontrolling interests	$ 476
Convertible Preferred Stock, Shares Issued upon Conversion	24,985,633
USAC [Member] | Subsequent Event [Member]
Preferred Units, Issued		40,000
Common Unit, Issued		1,998,850
ET [Member]
Redeemable noncontrolling interests	$ 22
Niobrara
Redeemable noncontrolling interests	$ 280
Preferred Units [Member] | USAC [Member]
Preferred Units, Issued	500,000		500,000
Distribution Made to Limited Partner, Distributions Declared, Per Unit	$ 24.375
Preferred Units, Description	the holders of the USAC Preferred Units will have the right to require USAC to redeem all or any portion of the USAC Preferred Units, and USAC may elect to pay up to 50% of such redemption amount in USAC common units
USAC Preferred Units
Redeemable Noncontrolling Interest, Equity, Carrying Amount			$ 477
Noncontrolling Interest
Redeemable noncontrolling interests			$ 16

XML

Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended															12 Months Ended
		Dec. 31, 2023		Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021		Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Oct. 27, 2023	Apr. 27, 2022	Dec. 02, 2021
Issuance of Common Units (2)	[1]																12,900,000	11,900,000	9,700,000
Stock Repurchase Program, Authorized Amount		$ 2,000															$ 2,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 880															$ 880
Minimum beneficial percentage ownership, other than the Partnership's General Partner and its affiliates, no voting rights, not considered outstanding		20.00%															20.00%
Limited Partners' Capital Account, Units Outstanding		3,367,525,806					3,094,425,367				3,082,500,000					2,702,400,000	3,367,525,806	3,094,425,367	3,082,500,000
Stock Issued During Period, Value, Dividend Reinvestment Plan																	$ 90
Common Units Remaining Available to be Issued Under Distribution Reinvestment Plan		4,500,000															4,500,000
Preferred Units, Issued		113,648,967					72,184,780										113,648,967	72,184,780
Partners' Capital Account, Units, Treasury Units Purchased																	0	0	4,200,000
Incentive Distribution Rights		0.00%															0.00%
Issued		3,367,525,806					3,094,425,367										3,367,525,806	3,094,425,367
Series A Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[2]	$ 24.71		$ 24.67	$ 23.89	$ 21.98	$ 31.25	$ 0	$ 31.25	$ 0	$ 31.25	$ 0	[3]	$ 31.25	$ 0
Units issued for cash																			0
Preferred Stock, Dividend Rate, Percentage																	6.25%
Preferred Units, Liquidation Spread, Percent		4.028%															4.028%
Preferred Stock, Shares Outstanding		950,000															950,000
Series A Preferred Units [Member] | Tenor spread adjustment
Preferred Units, Liquidation Spread, Percent		0.26161%															0.26161%
Series C Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.6075		0.6489	0.6294	0.4609	0.4609	0.4609	0.4609	0.4609	0.4609	0.4609		0.4609	0.4609
Units issued for cash																			0
Preferred Stock, Dividend Rate, Percentage																	7.375%
Shares Issued, Price Per Share		$ 25															$ 25
Preferred Units, Liquidation Spread, Percent		4.53%															4.53%
Preferred Stock, Shares Outstanding		18,000,000															18,000,000
Series C Preferred Units [Member] | Tenor spread adjustment
Preferred Units, Liquidation Spread, Percent		0.26161%															0.26161%
Series D Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.6199		0.6622	0.4766	0.4766	0.4766	0.4766	0.4766	0.4766	0.4766	0.4766	[3]	0.4766	0.4766
Units issued for cash																			0
Preferred Stock, Dividend Rate, Percentage																	7.625%
Shares Issued, Price Per Share		$ 25															$ 25
Preferred Units, Liquidation Spread, Percent		4.738%															4.738%
Preferred Stock, Shares Outstanding		17,800,000															17,800,000
Series D Preferred Units [Member] | Tenor spread adjustment
Preferred Units, Liquidation Spread, Percent		0.26161%															0.26161%
Series E Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.4750		0.4750	0.4750	0.4750	0.4750	0.4750	0.4750	0.4750	0.4750	0.4750	[3]	0.4750	0.4750
Units issued for cash																			0
Preferred Stock, Shares Outstanding		32,000,000															32,000,000
Series F Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[2]	$ 0		33.7500	0	33.7500	0	33.7500	0	33.7500	0	33.7500	[3]	0	33.7500
Units issued for cash																			0
Preferred Stock, Shares Outstanding		500,000															500,000
Series G Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[2]	$ 0		35.63	0	35.63	0	35.63	0	35.63	0	35.63	[3]	0	35.63
Units issued for cash																			0
Preferred Stock, Shares Outstanding		1,484,780															1,484,780
Series B Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[2]	$ 33.125		0	33.125	0	33.125	0	33.125	0	33.125	0	[3]	33.125	0
Units issued for cash																			0
Preferred Stock, Shares Outstanding		550,000															550,000
Series H Preferred Units
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[2]	$ 0		32.50	0	32.50	0	32.50	0	32.50	0	27.08	[3]	0	0
Units issued for cash																			889,000,000
Preferred Stock, Shares Outstanding		900,000															900,000
Series I Preferred Units
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.2111	[3]	0	0	0	0	0	0	0	0	0		0	0		$ 0.2111
Units issued for cash																			0
Preferred Stock, Shares Outstanding		41,464,179															41,464,179
LE GP, LLC, the general partner of Energy Transfer
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest																	0.10%
Sunoco LP [Member]
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.		28,500,000															28,500,000
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.8420		0.8420	0.8420	0.8420	0.8255	0.8255	0.8255	0.8255	0.8255	0.8255		0.8255	0.8255	$ 0.8255
Limited Partners' Capital Account, Units Outstanding		84,400,000															84,400,000
USAC [Member]
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent.		46,100,000															46,100,000
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.5250		$ 0.5250	$ 0.5250	$ 0.5250	$ 0.5250	$ 0.5250	$ 0.5250	$ 0.5250	$ 0.5250	$ 0.5250		$ 0.5250	$ 0.5250	$ 0.5250
Limited Partners' Capital Account, Units Outstanding		101,000,000															101,000,000
Stock Issued During Period, Shares, Dividend Reinvestment Plan																	87,808	124,255	118,399
Class of Warrant or Right, Number of Securities Called by Warrants or Rights																				2,360,488
Series A Preferred Units [Member]
Shares Issued, Price Per Share		$ 1,000															$ 1,000
Preferred Units, Liquidation Spread, Percent		4.028%															4.028%
Series B Preferred Units [Member]
Preferred Stock, Dividend Rate, Percentage																	6.625%
Shares Issued, Price Per Share		$ 1,000															$ 1,000
Preferred Units, Liquidation Spread, Percent		4.155%															4.155%
Series E Preferred Units [Member]
Preferred Stock, Dividend Rate, Percentage																	7.60%
Shares Issued, Price Per Share		$ 25															$ 25
Preferred Units, Liquidation Spread, Percent		5.161%															5.161%
Series F Preferred Units [Member]
Preferred Stock, Dividend Rate, Percentage																	6.75%
Shares Issued, Price Per Share		$ 1,000															$ 1,000
Preferred Units, Liquidation Spread, Percent		5.134%															5.134%
Series G Preferred Units [Member]
Preferred Stock, Dividend Rate, Percentage																	7.125%
Shares Issued, Price Per Share		$ 1,000															$ 1,000
Preferred Units, Liquidation Spread, Percent		5.306%															5.306%
Series H Preferred Units
Preferred Stock, Dividend Rate, Percentage																	6.50%
Shares Issued, Price Per Share		$ 1,000															$ 1,000
Preferred Units, Liquidation Spread, Percent		5.694%															5.694%
Enable | Series G Preferred Units [Member]
Preferred Units, Issued																						384,780
ETE Class A Units [Member] | ETE Merger [Member]
Sale of Stock, Number of Shares Issued in Transaction																	833,486,004
USAC Issue Tranche 1 | USAC [Member]
Issued																					534,308

[1] Includes common units issued in connection with the distribution reinvestment program and restricted unit vestings.

[2] (1)    Series B, Series F, Series G and Series H distributions are currently paid on a semi-annual basis. Pursuant to their terms, distributions on the Series A preferred units began to be paid quarterly on February 15, 2023, and distributions on the Series B preferred units will begin to be paid quarterly on February 15, 2028.

[3] *    Represents prorated initial distribution.

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Equity (Change In ETE Common Units) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Issuance of Common Units (2)	[1]	12,900,000	11,900,000	9,700,000
Outstanding		3,367,525,806	3,094,425,367	3,082,500,000	2,702,400,000
Issuance of restricted Common Units under long-term incentive plans	[2]	(260,200,000)	0	(374,600,000)
Common Units repurchased		0	0	(4,200,000)
Number of Common Units, end of period		3,367,525,806	3,094,425,367	3,082,500,000
Equity		$ 43,939	$ 40,659	$ 39,345	$ 31,388
Distributions to partners		(4,248)	(3,047)	(1,898)
Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)	[3]	3,366	0	0
Series A Preferred Units [Member]
Equity		948	958	958	0
Preferred units conversion (1)	[4]			$ 943
Units issued for cash				0
Distributions to partners		(96)	(59)	$ (30)
Units issued in connection with the Enable acquisition (1)				0
Other, net				0
Net income		86	59	45
Series A Preferred Units [Member] | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		0
Series B Preferred Units [Member]
Equity		556	556	556	0
Preferred units conversion (1)	[4]			$ 547
Units issued for cash				0
Distributions to partners		(36)	(36)	$ (18)
Units issued in connection with the Enable acquisition (1)				0
Other, net				0
Net income		36	36	27
Series B Preferred Units [Member] | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		0
Series C Preferred Units [Member]
Equity		438	440	440	0
Preferred units conversion (1)	[4]			$ 440
Units issued for cash				0
Distributions to partners		(40)	(33)	$ (25)
Units issued in connection with the Enable acquisition (1)				0
Other, net				0
Net income		38	33	25
Series C Preferred Units [Member] | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		0
Series D Preferred Units [Member]
Equity		435	434	434	0
Preferred units conversion (1)	[4]			$ 434
Units issued for cash				0
Distributions to partners		(36)	(34)	$ (25)
Units issued in connection with the Enable acquisition (1)				0
Other, net				0
Net income		37	34	25
Series D Preferred Units [Member] | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		0
Series E Preferred Units [Member]
Equity		786	786	786	0
Preferred units conversion (1)	[4]			$ 786
Units issued for cash				0
Distributions to partners		(61)	(61)	$ (45)
Units issued in connection with the Enable acquisition (1)				0
Other, net				0
Net income		61	61	45
Series E Preferred Units [Member] | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		0
Series F Preferred Units [Member]
Equity		496	496	496	0
Preferred units conversion (1)	[4]			$ 504
Units issued for cash				0
Distributions to partners		(34)	(34)	$ (34)
Units issued in connection with the Enable acquisition (1)				0
Other, net				0
Net income		34	34	26
Series F Preferred Units [Member] | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		0
Series G Preferred Units [Member]
Equity		1,488	1,488	1,488	0
Preferred units conversion (1)	[4]			$ 1,114
Units issued for cash				0
Distributions to partners		(106)	(106)	$ (79)
Units issued in connection with the Enable acquisition (1)				392
Other, net				0
Net income		106	106	61
Series G Preferred Units [Member] | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		0
Series H Preferred Units
Equity		893	893	893	0
Preferred units conversion (1)	[4]			$ 0
Units issued for cash				889,000,000
Distributions to partners		(59)	(59)	$ (24)
Units issued in connection with the Enable acquisition (1)				0
Other, net				(3)
Net income		59	59	31
Series H Preferred Units | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		0
Preferred Units [Member]
Equity		6,459	6,051	6,051	0
Preferred units conversion (1)	[4]			$ 4,768
Units issued for cash				889,000,000
Distributions to partners		(468)	(422)	$ (280)
Units issued in connection with the Enable acquisition (1)				392
Other, net				(3)
Net income		463	422	285
Preferred Units [Member] | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		413
Series I Preferred Units
Equity		419	0	0	$ 0
Preferred units conversion (1)	[4]			$ 0
Units issued for cash				0
Distributions to partners		0	0	$ 0
Units issued in connection with the Enable acquisition (1)				0
Other, net				0
Net income		6	$ 0	$ 0
Series I Preferred Units | Crestwood Acquisition
Units issued in connection with the Enable acquisition (1)		$ 413

[1] Includes common units issued in connection with the distribution reinvestment program and restricted unit vestings.

[2] Common units issued related to our acquisitions of Crestwood and Lotus Midstream in 2023 and of Enable in 2021.

[3] See Note 3 for additional information.

[4] In connection with the Rollup Mergers on April 1, 2021, as discussed in Note 1, all of ETO’s previously outstanding preferred units were converted to Energy Transfer Preferred Units with identical distribution and redemption rights.

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Equity (Quarterly Distributions Of Available Cash) (Details) - $ / shares		3 Months Ended															12 Months Ended
		Dec. 31, 2023		Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021		Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2023	Feb. 15, 2028	May 15, 2024
Parent Company [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.3150		$ 0.3125	$ 0.3100	$ 0.3075	$ 0.3050	$ 0.2650	$ 0.2300	$ 0.2000	$ 0.1750	$ 0.1525		$ 0.1525	$ 0.1525	$ 0.1525
USAC [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		0.5250		0.5250	0.5250	0.5250	0.5250	0.5250	0.5250	0.5250	0.5250	0.5250		0.5250	0.5250	0.5250
Sunoco LP [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		0.8420		0.8420	0.8420	0.8420	0.8255	0.8255	0.8255	0.8255	0.8255	0.8255		0.8255	0.8255	$ 0.8255
Minimum Quarterly Distribution [Member]
Distribution Payment Targets																	$0.4375
First Target Distribution [Member]
Distribution Payment Targets																	$0.4375 to $0.503125
Second Target Distribution [Member]
Distribution Payment Targets																	$0.503125 to $0.546875
Third Target Distribution [Member]
Distribution Payment Targets																	$0.546875 to $0.656250
Thereafter [Member]
Distribution Payment Targets																	Above $0.656250
Common Stock | Minimum Quarterly Distribution [Member]
Distribution Payment Targets																	100%
Common Stock | First Target Distribution [Member]
Distribution Payment Targets																	100%
Common Stock | Second Target Distribution [Member]
Distribution Payment Targets																	85%
Common Stock | Third Target Distribution [Member]
Distribution Payment Targets																	75%
Common Stock | Thereafter [Member]
Distribution Payment Targets																	50%
IDRs [Member] | Minimum Quarterly Distribution [Member]
Distribution Payment Targets																	—%
IDRs [Member] | First Target Distribution [Member]
Distribution Payment Targets																	—%
IDRs [Member] | Second Target Distribution [Member]
Distribution Payment Targets																	15%
IDRs [Member] | Third Target Distribution [Member]
Distribution Payment Targets																	25%
IDRs [Member] | Thereafter [Member]
Distribution Payment Targets																	50%
Series A Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[1]	$ 24.71		24.67	23.89	21.98	31.25	0	31.25	0	31.25	0	[2]	31.25	0
Preferred Units, Liquidation Spread, Percent		4.028%															4.028%
Series A Preferred Units [Member] | Tenor spread adjustment
Preferred Units, Liquidation Spread, Percent		0.26161%															0.26161%
Series B Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[1]	$ 33.125		0	33.125	0	33.125	0	33.125	0	33.125	0	[2]	33.125	0
Series B Preferred Units [Member] | Subsequent Event [Member]
Preferred Units, Liquidation Spread, Percent																		4.155%
Series B Preferred Units [Member] | Subsequent Event [Member] | Tenor spread adjustment
Preferred Units, Liquidation Spread, Percent																		0.26161%
Series C Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.6075		0.6489	0.6294	0.4609	0.4609	0.4609	0.4609	0.4609	0.4609	0.4609		0.4609	0.4609
Preferred Units, Liquidation Spread, Percent		4.53%															4.53%
Series C Preferred Units [Member] | Tenor spread adjustment
Preferred Units, Liquidation Spread, Percent		0.26161%															0.26161%
Series D Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.6199		0.6622	0.4766	0.4766	0.4766	0.4766	0.4766	0.4766	0.4766	0.4766	[2]	0.4766	0.4766
Preferred Units, Liquidation Spread, Percent		4.738%															4.738%
Series D Preferred Units [Member] | Tenor spread adjustment
Preferred Units, Liquidation Spread, Percent		0.26161%															0.26161%
Series E Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.4750		0.4750	0.4750	0.4750	0.4750	0.4750	0.4750	0.4750	0.4750	0.4750	[2]	0.4750	0.4750
Series E Preferred Units [Member] | Subsequent Event [Member]
Preferred Units, Liquidation Spread, Percent																			5.161%
Series E Preferred Units [Member] | Subsequent Event [Member] | Tenor spread adjustment
Preferred Units, Liquidation Spread, Percent																			0.26161%
Series F Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[1]	0		33.7500	0	33.7500	0	33.7500	0	33.7500	0	33.7500	[2]	0	33.7500
Series G Preferred Units [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[1]	0		35.63	0	35.63	0	35.63	0	35.63	0	35.63	[2]	0	35.63
Series H Preferred Units
Distribution Made to Limited Partner, Distributions Paid, Per Unit	[1]	0		32.50	0	32.50	0	32.50	0	32.50	0	27.08	[2]	0	0
Series I Preferred Units
Distribution Made to Limited Partner, Distributions Paid, Per Unit		$ 0.2111	[2]	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0		$ 0	$ 0		$ 0.2111

[1] (1)    Series B, Series F, Series G and Series H distributions are currently paid on a semi-annual basis. Pursuant to their terms, distributions on the Series A preferred units began to be paid quarterly on February 15, 2023, and distributions on the Series B preferred units will begin to be paid quarterly on February 15, 2028.

[2] *    Represents prorated initial distribution.

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Equity (Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Partners' Capital Notes [Abstract]
Available-for-sale securities	$ 13	$ 9
Foreign currency translation adjustment	(5)	1
Actuarial gain (loss) related to pensions and other postretirement benefits	6	(7)
Investments in unconsolidated affiliates, net	14	13
Total AOCI, net of tax	$ 28	$ 16

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Equity Tax amounts in components of other comprehensive income (loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Available-for-sale securities	$ (3)	$ 1
Foreign currency translation adjustment	6	6
Actuarial loss relating to pension and other postretirement benefits	0	1
Other Comprehensive Income (Loss), Tax	$ 3	$ 8

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Equity Incentive Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Awards granted	$ 13.78
Unvested awards	39.1	37.7
Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Term	3 years 6 months
Awards granted	10.7
ETE Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	42.9
ET Unit Based Compensation Plans [Member]
Awards granted		$ 11.56	$ 8.46
Fair Value Of Units As Of The Vesting Date	$ 106.0	$ 103.0	$ 52.0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 279.0
Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Term	3 years
Subsidiary Unit Based Compensation [Member]
Fair Value Of Units As Of The Vesting Date	$ 37.0	$ 26.0	$ 24.0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 55.0
ET Cash Restricted Unit Plan [Member]
Unvested awards	6.9
Awards granted	3.2	3.8	3.9
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent	$ 3.0

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ET Equity Incentive Plans (Details) - $ / shares shares in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Awards granted	10.7
Awards granted	$ 13.78
Unvested awards	39.1	37.7
Unvested awards	$ 10,840,000	$ 9.62
Awards vested	(7.7)
Awards vested	$ 9.22
Awards forfeited	(1.6)
Awards forfeited	$ 9.52

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Subsidiary Equity Incentive Plans (Details) - $ / shares shares in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested awards	39.1	37.7
Unvested awards	$ 10,840,000	$ 9.62
Awards granted	10.7
Awards granted	$ 13.78
Awards vested	(7.7)
Awards vested	$ 9.22
Awards forfeited	1.6
Awards forfeited	$ 9.52
Sunoco LP Unit Based Compensation Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested awards	1.6	1.8
Unvested awards	$ 41.08	$ 34.29
Awards granted	0.4
Awards granted	$ 53.37	$ 43.54	$ 37.72
Awards vested	(0.6)
Awards vested	$ 28.35
Awards forfeited	0.0
Awards forfeited	$ 34.64
USAC Unit Based Compensation Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested awards	1.9	2.1
Unvested awards	$ 17.08	$ 14.21
Awards granted	0.5
Awards granted	$ 23.13	$ 18.31	$ 14.92
Awards vested	(0.6)
Awards vested	$ 13.29
Awards forfeited	0.1
Awards forfeited	$ 17.50

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Income Taxes Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Deferred Tax Liabilities, Gross	$ 4,348,000,000	$ 4,345,000,000
Net operating losses and other carryforwards	371,000,000	603,000,000
Valuation allowance	0	(19,000,000)
State	44,000,000	17,000,000	$ 24,000,000
Deferred Income Tax Expense (Benefit)	203,000,000	$ 187,000,000	$ 141,000,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	40,000,000
Unrecognized Tax Benefits That Would Impact Effective Tax Rate, After Tax	38,000,000
Unrecognized Tax Benefits, Interest on Income Taxes Expense	7,000,000
Income Tax Examination, Penalties and Interest Accrued	11,000,000
Corporate Subsidiaries [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Asset, Interest Carryforward	136,000,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	75,000,000
Sunoco Property Company LLC [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	75,000,000
Sunoco Retail LLC
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
ETP Holdco
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	1,400,000,000
PENNSYLVANIA
Operating Loss Carryforwards [Line Items]
State	67,000,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies	34,000,000
Net of federal tax benefits | PENNSYLVANIA
Operating Loss Carryforwards [Line Items]
State	53,000,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies	27,000,000
Limited NOL Carryforward | ETP Holdco
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	341,000,000
Limited Under IRC §382 | Corporate Subsidiaries [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Asset, Interest Carryforward	$ 23,000,000

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Income Taxes Components of Income Tax (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current expense:
Federal	$ 56	$ 0	$ 19
State	44	17	24
Total	100	17	43
Deferred expense (benefit):
Federal	227	239	246
State	(24)	(58)	(106)
Deferred Foreign Income Tax Expense (Benefit)	0	6	1
Total	203	187	141
Total income tax expense	$ 303	$ 204	$ 184

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Income Taxes Reconciliation of Income Tax Satutory Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income tax expense at United States statutory rate	$ 1,175	$ 1,275	$ 1,443
Increase (reduction) in income taxes resulting from:
Partnership earnings not subject to tax	(884)	(1,086)	(1,211)
Noncontrolling interests	0	26	0
State tax, net of federal tax benefit	47	19	85
Statutory rate change	(10)	(42)	(46)
Valuation allowance	(3)	(4)	(63)
Uncertain tax positions	(14)	(3)	(34)
Dividend received deduction	(3)	(3)	(4)
Foreign taxes	0	6	1
Other	(5)	16	13
Income tax expense	$ 303	$ 204	$ 184

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Income Taxes Effects of Temporary Differences That Comprise Net Deffered Income Tax Liability (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred income tax assets:
Net operating losses and other carryforwards	$ 371	$ 603
Other	46	60
Deferred Tax Assets, Gross	417	663
Valuation allowance	0	(19)
Net deferred income tax assets	417	644
Deferred income tax liabilities:
Property, plant and equipment	(232)	(218)
Investments in affiliates	(4,003)	(4,010)
Trademarks	(91)	(89)
Other	(22)	(28)
Deferred Tax Liabilities, Gross	4,348	4,345
Deferred Tax Liabilities	$ (3,931)	$ (3,701)

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Income Taxes Components of Net Deferred Tax Liability (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Components of Net Deferred Income Tax [Abstract]
Total deferred income tax assets	$ 417	$ 663
Deferred Tax Liabilities, Net	(3,931)	(3,701)
Valuation allowance	0	19
Net deferred income tax assets	$ 417	$ 644

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Income Taxes Changes in Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Changes in Unrecognized Tax Benefits [Abstract]
Balance at beginning of year	$ 52	$ 56	$ 90
Reduction attributable to tax positions taken in prior years	(9)	(4)	(34)
Tax Adjustments, Settlements, and Unusual Provisions	(3)	0	0
Balance at end of year	$ 40	$ 52	$ 56

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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities (Narrative) (Details)				1 Months Ended		12 Months Ended
	Sep. 21, 2022 USD ($)	Dec. 29, 2021 USD ($)	Aug. 01, 2020 USD ($)	Jan. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2023 USD ($) Rate	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Operating Leases, Rent Expense						$ 68,000,000	$ 64,000,000	$ 48,000,000
Payments for Environmental Liabilities						29,000,000	30,000,000
Total environmental liabilities						$ 277,000,000	$ 282,000,000
Site Contingency, Number of Sites Needing Remediation						32
Loss Contingency, Estimate of Possible Loss						$ 200,000,000
Litigation Settlement, Expense						161,000,000
Legal Fees						$ 18,000,000
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]						Other non-current liabilities	Other non-current liabilities
Interest Statutory Rate | Rate						12.00%
Williams
Loss Contingency, Damages Sought, Value						$ 410,000,000				$ 1,480,000,000
Payments for Legal Settlements						627,000,000
Litigation Settlement, Expense	$ 601,000,000
Debt Instrument, Interest Rate, Stated Percentage	3.50%
Litigation Settlement, Amount Awarded to Other Party		$ 190,000,000
Cline Class Action | Actual Damages
Payments for Legal Settlements			$ 74,800,000
Cline Class Action | Punitive Damages [Member]
Payments for Legal Settlements			75,000,000
Cline Class Action | Amended Actual Damages
Payments for Legal Settlements			$ 80,700,000
Ohio EPA
Loss Contingency, Damages Sought, Value									$ 2,600,000
Proposed Civil Penalty
Payments for Legal Settlements						20,000,000
Litigation Settlement, Expense						40,000,000
Additional Interest | Cline Class Action
Litigation Settlement Interest						23,000,000
Actual Damages | Cline Class Action
Litigation Settlement Interest						104,000,000
Punitive Damages [Member] | Cline Class Action
Litigation Settlement Interest						75,000,000
Culberson
Loss Contingency, Damages Sought, Value						93,000,000
Crestwood
Payments for Legal Settlements				$ 21,200,000
Crestwood | pre-judgement interest award
Litigation Settlement, Amount Awarded to Other Party					$ 20,700,000
Crestwood | attorney fees
Litigation Settlement, Amount Awarded to Other Party					17,700,000
Crestwood | other costs
Litigation Settlement, Amount Awarded to Other Party					$ 4,700,000
Related To Deductibles [Member]
Loss Contingency Accrual						$ 285,000,000	$ 200,000,000

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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities Regulatory Matters, Commitments, Contingencies And Environemental Liabilities (Environmental Liabilities) (Details) $ in Millions	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Environmental Remediation Obligations [Abstract]
Current	$ 42	$ 54
Non-current	235	228
Total environmental liabilities	$ 277	$ 282
Site Contingency, Number of Sites Needing Remediation	32

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Revenue Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Sunoco LP [Member]
Capitalized Contract Cost, Amortization	$ 29	$ 22	$ 21

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Revenue Contracts with customers (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2019
Contract with Customer, Liability	$ 749	$ 615	$ 459
Additions	1,254	1,113
Deferred Revenue, Revenue Recognized	$ (1,120)	(944)
Deferred Revenue, Period Increase (Decrease)		(13)
Sunoco LP [Member]
Contract with Customer, Liability		0		$ 0
Accounts receivable from contracts with customers		834		809
Contract assets		$ 200		$ 256

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Revenue from Contract with Customer - Performance Obligation (Details) $ in Millions	Dec. 31, 2023 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 39,096
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 7,590
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 6,497
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 5,769
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2026
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	3 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 19,240
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2027
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	4 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2028

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Lease Accounting Narrative (Details)	Dec. 31, 2023
Real estate leases
Lessee, Operating Lease, Term of Contract	40 years
Minimum [Member]
Lessee, Operating Lease, Renewal Term	1 year
Minimum [Member] | Terminal facilities, tank cars, office space, land and equipment
Lessee, Operating Lease, Term of Contract	5 years
Maximum [Member]
Lessee, Operating Lease, Renewal Term	20 years
Maximum [Member] | Terminal facilities, tank cars, office space, land and equipment
Lessee, Operating Lease, Term of Contract	15 years

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Lease Accounting - Components of Leases on BS (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Operating lease current liabilities	$ 56	$ 45
Accrued and other current liabilities	3,521	3,329
Non-current operating lease liabilities	778	798
Property, plant and equipment, net	85,351	80,311
Current maturities of long-term debt	1,008	2
Long-term debt, less current maturities	51,380	48,260
Other non-current liabilities	1,611	1,341
Operating Leases [Member]
Lessee, Lease, Description [Line Items]
Lease right-of-use assets, net	797	808
Operating lease current liabilities	56	45
Accrued and other current liabilities	5	1
Non-current operating lease liabilities	778	798
Finance Leases [Member]
Lessee, Lease, Description [Line Items]
Property, plant and equipment, net	1	1
Lease right-of-use assets, net	29	11
Current maturities of long-term debt	8	2
Long-term debt, less current maturities	19	9
Other non-current liabilities	$ 0	$ 1

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Lease Accounting - Components of Lease Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Operating Lease, Cost	$ 88	$ 88
Interest on lease liabilities	0	0
Lease, Cost	100	94
Lease costs, gross	142	134
Finance Leases [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost	0	0
Cost of goods sold
Lessee, Lease, Description [Line Items]
Operating Lease, Cost	1	3
Operating expenses
Lessee, Lease, Description [Line Items]
Operating Lease, Cost	69	63
Short-term lease cost	38	33
Variable lease cost	16	13
Selling, general and administrative
Lessee, Lease, Description [Line Items]
Operating Lease, Cost	18	22
Depreciation, depletion and amortization
Lessee, Lease, Description [Line Items]
Amortization of lease assets	0	0
Other Revenue [Member]
Lessee, Lease, Description [Line Items]
Sublease Income	$ 42	$ 40

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Lease Accounting - Remaining term and rate (Details)	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating leases	21 years	21 years
Finance leases	12 years	27 years
Operating leases	6.00%	5.00%
Finance leases	5.00%	4.00%

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Lease Accounting - Cash flow (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Net cash provided by operating activities	$ 9,555	$ 9,051	$ 11,162
Lease assets obtained in exchange for new finance lease liabilities	18	1
Lease assets obtained in exchange for new operating lease liabilities	5	41
Operating Leases [Member]
Lessee, Lease, Description [Line Items]
Net cash provided by operating activities	$ (139)	$ (133)

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Lease Accounting - Lease Maturities (Details) $ in Millions	Dec. 31, 2023 USD ($)
Lessee, Lease, Description [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year
2024	$ 96
2024	7
2024	103
2025	90
2025	8
2025	98
2026	81
2026	4
2026	85
2027	71
2027	2
2027	73
2028	70
2028	1
2028	71
Thereafter	979
Thereafter	12
Thereafter	991
Total lease payments	1,387
Total lease payments	34
Lease Liabilities, Due	1,421
Less: present value discount	553
Less: present value discount	7
Less: present value discount	$ 560
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Non-current operating lease liabilities
Operating Lease, Liability	$ 834
Finance Lease, Liability	27
Lease, Liabilities	$ 861
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Lessee, Lease, Description [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Lessee, Lease, Description [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Lessee, Lease, Description [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2026
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Lessee, Lease, Description [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2027
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01
Lessee, Lease, Description [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2028

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Lease Accounting - Lessor (Details) $ in Millions	Dec. 31, 2023 USD ($)
Thereafter	$ 979
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year
Sunoco LP [Member]
2024	$ 108
2025	99
2026	82
2027	63
2028	38
Thereafter	17
Total undiscounted cash flows	$ 407
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2026
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2027
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year	2028

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Derivative Assets And Liabilities (Outstanding Commodity-Related Derivatives) (Details)		Dec. 31, 2023 BBtu MB_bls barrels MW	Dec. 31, 2022 MW BBtu MB_bls barrels
Natural Gas [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Swing Swaps IFERC [Member]
Derivative, Nonmonetary Notional Amount, Volume		(96,828)	(202,815)
Natural Gas [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Fixed Swaps/Futures [Member]
Derivative, Nonmonetary Notional Amount, Volume			(15,758)
Natural Gas [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forward Physical Contracts [Member]
Derivative, Nonmonetary Notional Amount, Volume		(1,751)
Natural Gas [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Swing Swaps IFERC [Member]
Derivative, Nonmonetary Notional Amount, Volume		(900)	0
Natural Gas [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Fixed Swaps/Futures [Member]
Derivative, Nonmonetary Notional Amount, Volume		(1,878)
Natural Gas [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Basis Swaps IFERC NYMEX [Member]
Derivative, Nonmonetary Notional Amount, Volume	[1]	(171,185)	(39,563)
Natural Gas [Member] | Short [Member] | Fair Value Hedging [Member] | Non Trading [Member] | Fixed Swaps/Futures [Member]
Derivative, Nonmonetary Notional Amount, Volume		(39,013)	(37,448)
Natural Gas [Member] | Short [Member] | Fair Value Hedging [Member] | Non Trading [Member] | Basis Swaps IFERC NYMEX [Member]
Derivative, Nonmonetary Notional Amount, Volume		(39,013)	(37,448)
Natural Gas [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Fixed Swaps/Futures [Member]
Derivative, Nonmonetary Notional Amount, Volume		(7,125)
Natural Gas [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Basis Swaps IFERC NYMEX [Member]
Derivative, Nonmonetary Notional Amount, Volume		(124,210)	(42,440)
Natural Gas [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forward Physical Contracts [Member]
Derivative, Nonmonetary Notional Amount, Volume			(2,423)
Natural Gas [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Fixed Swaps/Futures [Member]
Derivative, Nonmonetary Notional Amount, Volume			(145)
Natural Gas [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Put Option [Member]
Derivative, Nonmonetary Notional Amount, Volume		(1,900)	0
Natural Gas [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Options - Calls [Member]
Derivative, Nonmonetary Notional Amount, Volume		(250)	0
Natural Gas [Member] | Long [Member] | Fair Value Hedging [Member] | Non Trading [Member] | Hedged Item - Inventory (MMBtu) [Member]
Derivative, Nonmonetary Notional Amount, Volume		(39,013)	(37,448)
Power [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Future [Member]
Derivative, Nonmonetary Notional Amount, Volume | MW		(464,897)	(21,384)
Power [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Forward Swaps [Member]
Derivative, Nonmonetary Notional Amount, Volume | MW		(155,600)	0
Power [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Put Option [Member]
Derivative, Nonmonetary Notional Amount, Volume | MW		(136,000)	(119,200)
Natural Gas Liquids [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forward Swaps [Member]
Derivative, Nonmonetary Notional Amount, Volume | MB_bls		(13,870)
Natural Gas Liquids [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forward Swaps [Member]
Derivative, Nonmonetary Notional Amount, Volume | MB_bls			(6,934)
Refined Products [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Future [Member]
Derivative, Nonmonetary Notional Amount, Volume | MB_bls		(4,548)	(3,547)
Crude Oil [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forward Swaps [Member]
Derivative, Nonmonetary Notional Amount, Volume | barrels		(2,674)
Crude Oil [Member] | Long [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forward Swaps [Member]
Derivative, Nonmonetary Notional Amount, Volume | barrels			(795)
Commodity Derivatives - Crude [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Put Option [Member]
Derivative, Nonmonetary Notional Amount, Volume		(15)	0
Commodity Derivatives - Crude [Member] | Short [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Options - Calls [Member]
Derivative, Nonmonetary Notional Amount, Volume		(20)	0
Commodity Derivatives - NGL/Refined Products | Short [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Options - Calls [Member]
Derivative, Nonmonetary Notional Amount, Volume		(43)	0
Commodity Derivatives - NGL/Refined Products | Long [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Put Option [Member]
Derivative, Nonmonetary Notional Amount, Volume		(121)	0

[1] Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.

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Derivative Assets And Liabilities (Interest Rate Swaps Outstanding) (Details) - Derivatives Not Designated As Hedging Instruments - Interest Rate Derivatives [Member] - Forward-Starting Swaps [Member] - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
July 2024
Description of Interest Rate Derivative Activities	[1]	Forward-starting to pay a fixed rate of 3.388% and receive a floating rate based on SOFR
Derivative, Notional Amount	[1]	$ 0	$ 400
April 2025
Description of Interest Rate Derivative Activities		Pay a fixed rate of 3.9725% and receive a floating rate based on SOFR
Derivative, Notional Amount		$ 700	$ 0

[1] The July 2024 interest rate swaps were terminated and settled in August 2023.

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Derivative Assets And Liabilities (Fair Value Of Derivative Instruments) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Asset Derivatives	$ 616	$ 688
Liability Derivatives	(464)	(549)
Designated as Hedging Instrument [Member]
Asset Derivatives	51	87
Liability Derivatives	(6)	(7)
Not Designated as Hedging Instrument [Member]
Asset Derivatives	565	601
Liability Derivatives	(458)	(542)
Broker cleared derivative contracts [Member]
Asset Derivatives	478	593
Liability Derivatives	(380)	(418)
Commodity Derivatives [Member] | Not Designated as Hedging Instrument [Member]
Asset Derivatives	132	95
Liability Derivatives	(80)	(108)
Commodity Derivatives (Margin Deposits) [Member] | Designated as Hedging Instrument [Member]
Asset Derivatives	51	87
Liability Derivatives	(6)	(7)
Commodity Derivatives (Margin Deposits) [Member] | Not Designated as Hedging Instrument [Member]
Asset Derivatives	427	506
Liability Derivatives	(374)	(411)
Interest Rate Derivatives [Member] | Not Designated as Hedging Instrument [Member]
Asset Derivatives	6	0
Liability Derivatives	$ (4)	$ (23)

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Derivative Assets And Liabilities Derivative Assets and Lianilities (Offsetting Agreements Netting Table) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Asset Derivatives	$ 616	$ 688
Derivative Liabilities	(464)	(549)
Derivative Asset, Fair Value, Amount Offset Against Collateral	(72)	(85)
Derivative Liability, Fair Value, Amount Offset Against Collateral	72	85
Derivative Asset, Collateral, Obligation to Return Cash, Offset	(368)	(359)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	368	359
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	176	244
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	24	105
Without offsetting agreements [Member]
Asset Derivatives	6	0
Derivative Liabilities	(4)	(23)
OTC Contracts [Member]
Asset Derivatives	132	95
Derivative Liabilities	(80)	(108)
Broker cleared derivative contracts [Member]
Asset Derivatives	478	593
Derivative Liabilities	$ (380)	$ (418)

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Derivative Assets And Liabilities (Derivative Amount Of Gain (Loss) Recognized) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Amount of Gain/(Loss) Recognized in Income on Derivatives	$ 83	$ 417	$ (86)
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments	36	293	61
Trading [Member]
Amount of Gain/(Loss) Recognized in Income on Derivatives	$ 7	83	(6)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of products sold
Non Trading [Member]
Amount of Gain/(Loss) Recognized in Income on Derivatives	$ 40	$ 41	$ (141)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of products sold

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Retirement Benefits (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Retirement Benefits [Line Items]
Defined Contribution Plan, Cost	$ 86	$ 79	$ 65
Pension Benefits
Retirement Benefits [Line Items]
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	$ 3
Large Cap US Equitiies	100.00%	100.00%
Other Postretirement Benefits
Retirement Benefits [Line Items]
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	$ 1

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Retirement Benefits (Obligations and Funded Status) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Change in benefit obligation:
Defined Benefit Plan, Plan Assets, Divestiture	$ 0	$ 0
Defined Benefit Plan, Benefit Obligation, Divestiture	0	0
Pension Benefits
Change in benefit obligation:
Defined Benefit Plan, Benefit Obligation	22	50
Service cost	0	0
Interest cost	1	2
Defined Benefit Plan, Benefit Obligation		22
Change in plan assets:
Defined Benefit Plan, Plan Assets, Amount	20
Defined Benefit Plan, Plan Assets, Amount	22	20
Amounts recognized in the consolidated balance sheets consist of:
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position		(2)
Amounts recognized in accumulated other comprehensive income (pre-tax basis) consist of:
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax		0
Other Postretirement Benefits
Change in benefit obligation:
Defined Benefit Plan, Benefit Obligation	148	195
Service cost	0	1
Interest cost	6	4
Benefits paid, net	(13)	(14)
Actuarial gain and other	(3)	(38)
Defined Benefit Plan, Benefit Obligation	138	148
Change in plan assets:
Defined Benefit Plan, Plan Assets, Amount	259	311
Return on plan assets and other	29	(41)
Employer contributions	2	3
Benefits paid, net	(13)	(14)
Defined Benefit Plan, Plan Assets, Amount	277	259
Amount underfunded (overfunded) at end of period	(139)	(111)
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	155	127
Current liabilities	(2)	(2)
Non-current liabilities	(14)	(14)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	139	111
Amounts recognized in accumulated other comprehensive income (pre-tax basis) consist of:
Net actuarial gain (loss)	(12)	5
Prior service credit	(3)	(3)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(15)	2
Funded Plans [Member] | Pension Benefits
Change in benefit obligation:
Defined Benefit Plan, Benefit Obligation	22
Interest cost	1	1
Benefits paid, net	(1)	(1)
Actuarial gain and other	1	(8)
Defined Benefit Plan, Plan Assets, Divestiture	0	(20)
Defined Benefit Plan, Benefit Obligation, Divestiture	0	(20)
Defined Benefit Plan, Benefit Obligation	23	22
Change in plan assets:
Defined Benefit Plan, Plan Assets, Amount	20	44
Return on plan assets and other	2	(4)
Employer contributions	1	1
Benefits paid, net	(1)	(1)
Defined Benefit Plan, Plan Assets, Amount	22	20
Amount underfunded (overfunded) at end of period	1	2
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	0	0
Current liabilities	0	0
Non-current liabilities	(1)	(2)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	(1)
Amounts recognized in accumulated other comprehensive income (pre-tax basis) consist of:
Net actuarial gain (loss)	0	0
Prior service credit	0	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	0
Unfunded Plans [Member]
Change in benefit obligation:
Defined Benefit Plan, Plan Assets, Divestiture	0	0
Defined Benefit Plan, Benefit Obligation, Divestiture	0	(2)
Unfunded Plans [Member] | Pension Benefits
Change in benefit obligation:
Defined Benefit Plan, Benefit Obligation	19	26
Service cost	0	0
Interest cost	1	1
Benefits paid, net	(3)	(3)
Actuarial gain and other	0	(3)
Defined Benefit Plan, Benefit Obligation	17	19
Change in plan assets:
Defined Benefit Plan, Plan Assets, Amount	0	0
Return on plan assets and other	0	0
Employer contributions	0	0
Benefits paid, net	0	0
Defined Benefit Plan, Plan Assets, Amount	0	0
Amount underfunded (overfunded) at end of period	17	19
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	0	0
Current liabilities	(3)	(3)
Non-current liabilities	(14)	(16)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	(17)	(19)
Amounts recognized in accumulated other comprehensive income (pre-tax basis) consist of:
Net actuarial gain (loss)	(2)	(2)
Prior service credit	0	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	$ (2)	$ (2)

XML

Retirement Benefits (Accumulated Benefit Obligation In Excess of Plan Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation		$ 22	$ 50
Fair value of plan assets	$ 22	20
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	138	148	195
Fair value of plan assets	277	259	311
Funded Plans [Member] | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	23	22
Accumulated benefit obligation	23	22
Fair value of plan assets	22	20	44
Unfunded Plans [Member] | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	15	19
Accumulated benefit obligation	17	19	26
Fair value of plan assets	$ 0	$ 0	$ 0

XML

Retirement Benefits (Net Periodic Benefit Costs Schedule) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	1	2
Expected return on plan assets	(1)	(2)
Prior service cost amortization	0	0
Defined Benefit Plan, Actuarial Gain (Loss), Immediate Recognition as Component in Net Periodic Benefit (Cost) Credit	0	0
Net periodic benefit cost	0	0
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	1
Interest cost	6	4
Expected return on plan assets	(12)	(11)
Prior service cost amortization	2	19
Defined Benefit Plan, Actuarial Gain (Loss), Immediate Recognition as Component in Net Periodic Benefit (Cost) Credit	(1)	0
Net periodic benefit cost	$ (5)	$ 13

XML

Retirement Benefits (Benefit Assumptions) (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Health care cost trend rate	7.42%	7.48%
Rate to which the cost trend is assumed to decline (the ultimate trend rate)	5.17%	5.18%
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.70%	5.00%
Discount rate	2.70%	2.70%
Tax exempt accounts	7.00%	7.00%
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.62%	2.46%
Discount rate	4.93%	2.58%
Tax exempt accounts	7.00%	7.00%
Taxable accounts	4.75%	4.75%

XML

Retirement Benefits (Fair Value of Plan Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Accumulated benefit obligation	$ 138		$ 148		$ 195
Fair value of plan assets	277		259		311
Pension Benefits
Fair Value of Plan Assets [Line Items]
Accumulated benefit obligation			22		50
Fair value of plan assets	22		20
Cash and Cash Equivalents [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	13		19
Cash and Cash Equivalents [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	2		2
Mutual Fund [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	166	[1]	146	[2]
Mutual Fund [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	20	[3]	18	[4]
Fixed Income Securities [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	98		94
Level 1 [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	179		165
Level 1 [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	22		20
Level 1 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	13		19
Level 1 [Member] | Cash and Cash Equivalents [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	2		2
Level 1 [Member] | Mutual Fund [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	166	[1]	146	[2]
Level 1 [Member] | Mutual Fund [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	20	[3]	18	[4]
Level 1 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Level 2 [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	98		94
Level 2 [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Level 2 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Level 2 [Member] | Cash and Cash Equivalents [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Level 2 [Member] | Mutual Fund [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0	[1]	0	[2]
Level 2 [Member] | Mutual Fund [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0	[3]	0	[4]
Level 2 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	98		94
Level 3 [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Level 3 [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Level 3 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Level 3 [Member] | Cash and Cash Equivalents [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Level 3 [Member] | Mutual Fund [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0	[1]	0	[2]
Level 3 [Member] | Mutual Fund [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0	[3]	0	[4]
Level 3 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefits
Fair Value of Plan Assets [Line Items]
Fair value of plan assets	0		0
Funded Plans [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Projected benefit obligation	23		22
Accumulated benefit obligation	23		22
Fair value of plan assets	22		20		44
Unfunded Plans [Member] | Pension Benefits
Fair Value of Plan Assets [Line Items]
Projected benefit obligation	15		19
Accumulated benefit obligation	17		19		26
Fair value of plan assets	$ 0		$ 0		$ 0

[1] Primarily composed of market index funds as of December 31, 2023.

[2] Primarily composed of market index funds as of December 31, 2022.

[3] Comprised of approximately 100% equities as of December 31, 2023.

[4] Comprised of approximately 100% equities as of December 31, 2022.

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Retirement Benefits (Benefit Payments) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
2024	$ 14
2025	14
2026	13
2027	12
2028	32
2029 – 2033	23
Defined Benefit Plan, Funded Plan | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
2024	1
2025	1
2026	1
2027	1
2028	1
2029 – 2033	7
Defined Benefit Plan, Unfunded Plan | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
2024	3
2025	3
2026	2
2027	2
2028	2
2029 – 2033	$ 5

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Reportable Segments Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue from External Customer [Line Items]
Revenues	$ (78,586)	$ (89,876)	$ (67,417)
Intersegment Eliminations [Member]
Revenue from External Customer [Line Items]
Revenues	(12,308)	(18,941)	(13,423)
Investment in USAC | Operating Segments
Revenue from External Customer [Line Items]
Revenues	(846)	(705)	(633)
Investment in USAC | Operating Segments | External Customers [Member]
Revenue from External Customer [Line Items]
Revenues	(824)	(689)	(621)
Investment in USAC | Operating Segments | Intersegment [Member]
Revenue from External Customer [Line Items]
Revenues	(22)	(16)	(12)
All Other | Operating Segments
Revenue from External Customer [Line Items]
Revenues	(1,798)	(3,574)	(3,476)
All Other | Operating Segments | External Customers [Member]
Revenue from External Customer [Line Items]
Revenues	(1,328)	(2,863)	(3,065)
All Other | Operating Segments | Intersegment [Member]
Revenue from External Customer [Line Items]
Revenues	(470)	(711)	(411)
Crude Oil Transportation and Services | Operating Segments
Revenue from External Customer [Line Items]
Revenues	(26,536)	(25,982)	(17,446)
Crude Oil Transportation and Services | Operating Segments | External Customers [Member]
Revenue from External Customer [Line Items]
Revenues	(26,534)	(25,980)	(17,442)
Crude Oil Transportation and Services | Operating Segments | Intersegment [Member]
Revenue from External Customer [Line Items]
Revenues	(2)	(2)	(4)
NGL and Refined Products Transportation and Services | Operating Segments
Revenue from External Customer [Line Items]
Revenues	(21,903)	(25,657)	(19,961)
NGL and Refined Products Transportation and Services | Operating Segments | External Customers [Member]
Revenue from External Customer [Line Items]
Revenues	(18,413)	(21,414)	(16,989)
NGL and Refined Products Transportation and Services | Operating Segments | Intersegment [Member]
Revenue from External Customer [Line Items]
Revenues	(3,490)	(4,243)	(2,972)
Midstream | Operating Segments
Revenue from External Customer [Line Items]
Revenues	(10,406)	(17,101)	(11,316)
Midstream | Operating Segments | External Customers [Member]
Revenue from External Customer [Line Items]
Revenues	(2,911)	(4,114)	(2,620)
Midstream | Operating Segments | Intersegment [Member]
Revenue from External Customer [Line Items]
Revenues	(7,495)	(12,987)	(8,696)
Interstate Transportation and Storage | Operating Segments
Revenue from External Customer [Line Items]
Revenues	(2,375)	(2,251)	(1,841)
Interstate Transportation and Storage | Operating Segments | External Customers [Member]
Revenue from External Customer [Line Items]
Revenues	(2,328)	(2,185)	(1,802)
Interstate Transportation and Storage | Operating Segments | Intersegment [Member]
Revenue from External Customer [Line Items]
Revenues	(47)	(66)	(39)
Intrastate Transportation and Storage | Operating Segments
Revenue from External Customer [Line Items]
Revenues	(3,962)	(7,818)	(8,571)
Intrastate Transportation and Storage | Operating Segments | External Customers [Member]
Revenue from External Customer [Line Items]
Revenues	(3,222)	(6,954)	(7,307)
Intrastate Transportation and Storage | Operating Segments | Intersegment [Member]
Revenue from External Customer [Line Items]
Revenues	(740)	(864)	(1,264)
Investment in Sunoco LP | Operating Segments
Revenue from External Customer [Line Items]
Revenues	(23,068)	(25,729)	(17,596)
Investment in Sunoco LP | Operating Segments | External Customers [Member]
Revenue from External Customer [Line Items]
Revenues	(23,026)	(25,677)	(17,571)
Investment in Sunoco LP | Operating Segments | Intersegment [Member]
Revenue from External Customer [Line Items]
Revenues	$ (42)	$ (52)	$ (25)

XML

Reportable Segments (Operating Segments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cost of Goods and Services Sold	$ (60,541)	$ (72,232)	$ (50,395)
Depreciation, depletion and amortization	4,385	4,164	3,817
Equity in earnings of unconsolidated affiliates	383	257	246
Intersegment Eliminations [Member]
Cost of Goods and Services Sold	(12,284)	(18,837)	(13,360)
Intrastate Transportation and Storage
Depreciation, depletion and amortization	214	209	191
Equity in earnings of unconsolidated affiliates	17	17	20
Intrastate Transportation and Storage | Operating Segments
Cost of Goods and Services Sold	(2,616)	(6,000)	(4,769)
Investment in Sunoco LP
Depreciation, depletion and amortization	187	193	177
Investment in Sunoco LP | Operating Segments
Cost of Goods and Services Sold	(21,703)	(24,350)	(16,246)
Interstate Transportation and Storage
Depreciation, depletion and amortization	563	513	457
Equity in earnings of unconsolidated affiliates	260	175	140
Interstate Transportation and Storage | Operating Segments
Cost of Goods and Services Sold	(6)	(25)	(11)
Midstream
Depreciation, depletion and amortization	1,451	1,351	1,190
Equity in earnings of unconsolidated affiliates	15	19	24
Midstream | Operating Segments
Cost of Goods and Services Sold	(6,503)	(12,682)	(8,569)
NGL and Refined Products Transportation and Services
Depreciation, depletion and amortization	915	865	778
Equity in earnings of unconsolidated affiliates	76	44	51
NGL and Refined Products Transportation and Services | Operating Segments
Cost of Goods and Services Sold	(17,049)	(21,656)	(16,248)
Crude Oil Transportation and Services
Depreciation, depletion and amortization	740	663	588
Equity in earnings of unconsolidated affiliates	11	(2)	10
Crude Oil Transportation and Services | Operating Segments
Cost of Goods and Services Sold	(23,071)	(22,917)	(14,759)
All Other
Depreciation, depletion and amortization	69	133	197
Equity in earnings of unconsolidated affiliates	4	4	1
All Other | Operating Segments
Cost of Goods and Services Sold	(1,740)	(3,328)	(3,068)
Investment in USAC
Depreciation, depletion and amortization	246	237	239
Investment in USAC | Operating Segments
Cost of Goods and Services Sold	$ (137)	$ (111)	$ (85)

XML

Reportable Segments Reportable Segments (Segment Adjusted EBITDA) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	$ 13,698	$ 13,093	$ 13,046
Depreciation, depletion and amortization	4,385	4,164	3,817
Interest expense, net of interest capitalized	2,578	2,306	2,267
Impairment losses and other	12	386	21
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments	36	293	61
Non-cash compensation expense	130	115	111
Non-cash compensation expense	3	42	162
(Gains) losses on extinguishments of debt	(2)	0	38
Inventory valuation adjustments	114	(5)	(190)
Impairment of investments in unconsolidated affiliates	691	565	523
Equity in earnings of unconsolidated affiliates	(383)	(257)	(246)
Other, net	(12)	82	57
Income tax expense (benefit) from continuing operations	(303)	(204)	(184)
NET INCOME	5,294	5,868	6,687
Gain (Loss) Related to Litigation Settlement	627	0	0
Intrastate Transportation and Storage
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	1,111	1,396	3,483
Depreciation, depletion and amortization	214	209	191
Equity in earnings of unconsolidated affiliates	(17)	(17)	(20)
Investment in Sunoco LP
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	964	919	754
Depreciation, depletion and amortization	187	193	177
Investment in USAC
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	512	426	398
Depreciation, depletion and amortization	246	237	239
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	2	177	177
Interstate Transportation and Storage
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	2,009	1,753	1,515
Depreciation, depletion and amortization	563	513	457
Equity in earnings of unconsolidated affiliates	(260)	(175)	(140)
Midstream
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	2,525	3,210	1,868
Depreciation, depletion and amortization	1,451	1,351	1,190
Equity in earnings of unconsolidated affiliates	(15)	(19)	(24)
NGL and Refined Products Transportation and Services
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	3,894	3,025	2,828
Depreciation, depletion and amortization	915	865	778
Equity in earnings of unconsolidated affiliates	(76)	(44)	(51)
Crude Oil Transportation and Services
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	2,681	2,187	2,023
Depreciation, depletion and amortization	740	663	588
Equity in earnings of unconsolidated affiliates	$ (11)	$ 2	$ (10)

XML

Reportable Segments (Assets Segments) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets	$ 113,698	$ 105,643	$ 105,963
Intrastate Transportation and Storage | Operating Segments
Assets	6,112	6,609	7,322
Interstate Transportation and Storage | Operating Segments
Assets	17,708	17,979	17,774
Midstream | Operating Segments
Assets	25,592	21,851	21,960
NGL and Refined Products Transportation and Services | Operating Segments
Assets	27,214	27,903	28,160
Crude Oil Transportation and Services | Operating Segments
Assets	25,464	19,200	19,649
Investment in Sunoco LP | Operating Segments
Assets	6,826	6,830	5,815
Investment in USAC | Operating Segments
Assets	2,737	2,666	2,768
Corporate and Other [Member]
Assets	$ 2,045	$ 2,605	$ 2,515

XML

Reporting Segments (Additions To Property Plant And Equipment Including Acquisitions Net Of Contributions In Aid Of Construction Costs Segments) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	$ 2,868	$ 3,026	$ 2,158
Investment in Sunoco LP
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	215	186	174
Intrastate Transportation and Storage
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	93	179	52
Interstate Transportation and Storage
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	383	644	159
Midstream
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	832	1,004	484
NGL and Refined Products Transportation and Services
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	679	507	751
Crude Oil Transportation and Services
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	266	246	343
Investment in USAC
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	300	169	60
All Other
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Additions	[1]	$ 100	$ 91	$ 135

[1] Amounts are presented on the accrual basis, net of contributions in aid of constructions costs. Amounts exclude acquisitions and include only the Partnership’s proportionate share of capital expenditures related to joint ventures.

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Reportable Segments (Advances to and investments in affiliates) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Investments in unconsolidated affiliates	$ 3,097	$ 2,893	$ 2,947
Intrastate Transportation and Storage
Segment Reporting Information [Line Items]
Investments in unconsolidated affiliates	144	139	110
Interstate Transportation and Storage
Segment Reporting Information [Line Items]
Investments in unconsolidated affiliates	2,179	2,201	2,209
Midstream
Segment Reporting Information [Line Items]
Investments in unconsolidated affiliates	141	54	101
NGL and Refined Products Transportation and Services
Segment Reporting Information [Line Items]
Investments in unconsolidated affiliates	390	398	457
Crude Oil Transportation and Services
Segment Reporting Information [Line Items]
Investments in unconsolidated affiliates	187	48	19
All Other
Segment Reporting Information [Line Items]
Investments in unconsolidated affiliates	$ 56	$ 53	$ 51