Phillips 66 Partners LP	12 Months Ended
Dec. 31, 2016
Limited Liability Company or Limited Partnership, Business Organization and Operations [Abstract]
Phillips 66 Partners LP	Phillips 66 Partners LP Phillips 66 Partners is a publicly traded master limited partnership formed to own, operate, develop and acquire primarily fee-based crude oil, refined petroleum product and NGL pipelines and terminals, as well as other midstream assets. Headquartered in Houston, Texas, Phillips 66 Partners’ assets currently consist of crude oil, refined petroleum products and NGL transportation, terminaling and storage systems, as well as an NGL fractionator. Phillips 66 Partners conducts its operations through both wholly owned and joint-venture operations. The majority of Phillips 66 Partners’ wholly owned assets are associated with, and integral to the operation of, nine of Phillips 66’s owned or joint-venture refineries. 2016 Activities In March 2016, we contributed to Phillips 66 Partners a 25 percent interest in our then wholly owned subsidiary, Phillips 66 Sweeny Frac LLC, which owns the Sweeny Fractionator, an NGL fractionator located within our Sweeny Refinery complex in Old Ocean, Texas, and the Clemens Caverns, an NGL salt dome storage facility located near Brazoria, Texas. Total consideration for the transaction was $236 million, which consisted of Phillips 66 Partners’ assumption of a $212 million note payable to us and the issuance of common units and general partner units to us with an aggregate fair value of $24 million. In May 2016, we contributed to Phillips 66 Partners the remaining 75 percent interest in Phillips 66 Sweeny Frac LLC and a 100 percent interest in our wholly owned subsidiary, Phillips 66 Plymouth LLC, which owned the Standish Pipeline, a refined petroleum product pipeline system extending from Phillips 66’s Ponca City Refinery in Ponca City, Oklahoma, and terminating at Phillips 66 Partners’ North Wichita Terminal in Wichita, Kansas. Total consideration for the transaction was $775 million, consisting of Phillips 66 Partners’ assumption of $675 million of notes payable to us and the issuance of common units and general partner units to us with an aggregate fair value of $100 million. In May 2016, Phillips 66 Partners completed a public offering of 12,650,000 common units representing limited partner interests, at a price of $52.40 per unit. The net proceeds at closing were $656 million. Phillips 66 Partners used these net proceeds to repay a large portion of the notes assumed in the May 2016 transaction. In June 2016, Phillips 66 Partners began issuing common units under a continuous offering program, which allows for the issuance of up to an aggregate of $250 million of Phillips 66 Partners’ common units, in amounts, at prices and on terms to be determined by market conditions and other factors at the time of the offerings. We refer to this as an at-the-market, or ATM, program. Through December 31, 2016, on a settlement-date basis, Phillips 66 Partners issued an aggregate of 346,152 common units under the ATM program, generating net proceeds of approximately $19 million. In August 2016, Phillips 66 Partners completed a public offering of 6,000,000 common units representing limited partner interests, at a price of $50.22 per unit. The net proceeds at closing were $299 million. The net proceeds from the offering were used to repay the note assumed in the March 2016 transaction discussed above, as well as short-term borrowings incurred to fund Phillips 66 Partners’ acquisition of an additional interest in Explorer Pipeline Company and its contribution to a recently formed pipeline joint venture. In October 2016, we contributed to Phillips 66 Partners certain crude oil, refined product and NGL pipeline and terminal assets supporting four of our operated refineries. Total consideration for the transaction was $1.3 billion, consisting of $1,109 million in cash and the issuance of common and general partner units to us with a fair value of $196 million. Phillips 66 Partners funded the cash portion of the transaction with proceeds from a public debt offering of unsecured senior notes of $1,125 million in the aggregate. See Note 13—Debt for additional information on the notes offering. In November 2016, Phillips 66 Partners acquired a third-party NGL logistics system in southeast Louisiana. Consideration was financed with cash and borrowings under Phillips 66 Partners’ revolving credit facility. The system includes approximately 500 miles of pipeline and a storage cavern connecting multiple fractionation facilities, refineries and a petrochemical facility. Ownership At December 31, 2016, we owned a 59 percent limited partner interest and a 2 percent general partner interest in Phillips 66 Partners, while the public owned a 39 percent limited partner interest. We consolidate Phillips 66 Partners as a variable interest entity for financial reporting purposes. See Note 3—Variable Interest Entities for additional information on why we consolidate the partnership. As a result of this consolidation, the public unitholders’ ownership interest in Phillips 66 Partners is reflected as a noncontrolling interest of $1,306 million and $809 million in our consolidated balance sheet as of December 31, 2016, and 2015, respectively. Generally, drop down transactions to Phillips 66 Partners will eliminate in consolidation, except for third-party debt or equity offerings made by Phillips 66 Partners to finance such transactions. For contributions in 2016 together with the public offerings of common units and senior notes discussed above, our consolidated cash increased by $2.1 billion, consolidated debt increased by $1.1 billion and consolidated equity increased by $791 million as a result of the transactions.

Phillips 66 Partners LP

Phillips 66 Partners is a publicly traded master limited partnership formed to own, operate, develop and acquire primarily fee-based crude oil, refined petroleum product and NGL pipelines and terminals, as well as other midstream assets. Headquartered in Houston, Texas, Phillips 66 Partners’ assets currently consist of crude oil, refined petroleum products and NGL transportation, terminaling and storage systems, as well as an NGL fractionator. Phillips 66 Partners conducts its operations through both wholly owned and joint-venture operations. The majority of Phillips 66 Partners’ wholly owned assets are associated with, and integral to the operation of, nine of Phillips 66’s owned or joint-venture refineries.

2016 Activities

In March 2016, we contributed to Phillips 66 Partners a 25 percent interest in our then wholly owned subsidiary, Phillips 66 Sweeny Frac LLC, which owns the Sweeny Fractionator, an NGL fractionator located within our Sweeny Refinery complex in Old Ocean, Texas, and the Clemens Caverns, an NGL salt dome storage facility located near Brazoria, Texas. Total consideration for the transaction was $236 million, which consisted of Phillips 66 Partners’ assumption of a $212 million note payable to us and the issuance of common units and general partner units to us with an aggregate fair value of $24 million.

In May 2016, we contributed to Phillips 66 Partners the remaining 75 percent interest in Phillips 66 Sweeny Frac LLC and a 100 percent interest in our wholly owned subsidiary, Phillips 66 Plymouth LLC, which owned the Standish Pipeline, a refined petroleum product pipeline system extending from Phillips 66’s Ponca City Refinery in Ponca City, Oklahoma, and terminating at Phillips 66 Partners’ North Wichita Terminal in Wichita, Kansas. Total consideration for the transaction was $775 million, consisting of Phillips 66 Partners’ assumption of $675 million of notes payable to us and the issuance of common units and general partner units to us with an aggregate fair value of $100 million.

In May 2016, Phillips 66 Partners completed a public offering of 12,650,000 common units representing limited partner interests, at a price of $52.40 per unit. The net proceeds at closing were $656 million. Phillips 66 Partners used these net proceeds to repay a large portion of the notes assumed in the May 2016 transaction.

In June 2016, Phillips 66 Partners began issuing common units under a continuous offering program, which allows for the issuance of up to an aggregate of $250 million of Phillips 66 Partners’ common units, in amounts, at prices and on terms to be determined by market conditions and other factors at the time of the offerings. We refer to this as an at-the-market, or ATM, program. Through December 31, 2016, on a settlement-date basis, Phillips 66 Partners issued an aggregate of 346,152 common units under the ATM program, generating net proceeds of approximately $19 million.

In August 2016, Phillips 66 Partners completed a public offering of 6,000,000 common units representing limited partner interests, at a price of $50.22 per unit. The net proceeds at closing were $299 million. The net proceeds from the offering were used to repay the note assumed in the March 2016 transaction discussed above, as well as short-term borrowings incurred to fund Phillips 66 Partners’ acquisition of an additional interest in Explorer Pipeline Company and its contribution to a recently formed pipeline joint venture.

In October 2016, we contributed to Phillips 66 Partners certain crude oil, refined product and NGL pipeline and terminal assets supporting four of our operated refineries. Total consideration for the transaction was $1.3 billion, consisting of $1,109 million in cash and the issuance of common and general partner units to us with a fair value of $196 million. Phillips 66 Partners funded the cash portion of the transaction with proceeds from a public debt offering of unsecured senior notes of $1,125 million in the aggregate. See Note 13—Debt for additional information on the notes offering.

In November 2016, Phillips 66 Partners acquired a third-party NGL logistics system in southeast Louisiana. Consideration was financed with cash and borrowings under Phillips 66 Partners’ revolving credit facility. The system includes approximately 500 miles of pipeline and a storage cavern connecting multiple fractionation facilities, refineries and a petrochemical facility.

Ownership

At December 31, 2016, we owned a 59 percent limited partner interest and a 2 percent general partner interest in Phillips 66 Partners, while the public owned a 39 percent limited partner interest. We consolidate Phillips 66 Partners as a variable interest entity for financial reporting purposes. See Note 3—Variable Interest Entities for additional information on why we consolidate the partnership. As a result of this consolidation, the public unitholders’ ownership interest in Phillips 66 Partners is reflected as a noncontrolling interest of $1,306 million and $809 million in our consolidated balance sheet as of December 31, 2016, and 2015, respectively. Generally, drop down transactions to Phillips 66 Partners will eliminate in consolidation, except for third-party debt or equity offerings made by Phillips 66 Partners to finance such transactions. For contributions in 2016 together with the public offerings of common units and senior notes discussed above, our consolidated cash increased by $2.1 billion, consolidated debt increased by $1.1 billion and consolidated equity increased by $791 million as a result of the transactions.