UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net income	$ 2,771	$ 2,509
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation and accretion	891	852
Amortization of intangible assets	86	74
Amortization of major maintenance costs for reaction-based plants	25	10
Other amortization expense	115	123
Impairment of assets other than goodwill	19	84
Equity in income of unconsolidated affiliates	(224)	(310)
Distributions received from unconsolidated affiliates attributable to earnings	224	262
Net losses attributable to asset sales and related matters	2	11
Deferred income tax expense	16	24
Change in fair market value of derivative instruments	94	(39)
Non-cash expense related to long-term operating leases	27	19
Net effect of changes in operating accounts	218	399
Other operating activities	0	(1)
Net cash flows provided by operating activities	4,264	4,017
Investing activities:
Capital expenditures	(731)	(1,301)
Cash used for business combinations, net of cash received	(3,204)	0
Investments in unconsolidated affiliates	0	(1)
Distributions received from unconsolidated affiliates attributable to the return of capital	55	37
Proceeds from asset sales	14	50
Other investing activities	(2)	(14)
Cash used in investing activities	(3,868)	(1,229)
Financing activities:
Borrowings under debt agreements	42,112	9,797
Repayments of debt	(42,872)	(11,122)
Monetization of interest rate derivative instruments	0	75
Cash distributions paid to common unitholders	(2,026)	(1,965)
Cash payments made in connection with distribution equivalent rights	(17)	(15)
Cash distributions paid to noncontrolling interests	(82)	(71)
Cash contributions from noncontrolling interests	4	18
Repurchase of common units under 2019 Buyback Program	(35)	(14)
Other financing activities	(48)	(38)
Cash used in financing activities	(2,964)	(3,335)
Net change in cash and cash equivalents, including restricted cash	(2,568)	(547)
Cash and cash equivalents, including restricted cash, at beginning of period	2,965	1,158
Cash and cash equivalents, including restricted cash, at end of period	$ 397	$ 611