XML 59 R47.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Investments, Loans and Long-Term Receivables (Narrative) (Details) $ in Millions | Jun. 30, 2016 USD ($) joint_venture | May 31, 2016 USD ($) | Aug. 31, 2009 | Aug. 28, 2009 | Aug. 27, 2009
--- | --- | --- | --- | --- | ---
Dakota Access LLC [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of ownership interest | 25.00% |  |  |  |
Loan agreement, maximum borrowing capacity |  | $ 2,256 |  |  |
Contribution obligation by co-venturer | $ 95 |  |  |  |
Equity Method Investments | $ 391 |  |  |  |
Energy Transfer Crude Oil Company, LLC [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of ownership interest | 25.00% |  |  |  |
Loan agreement, maximum borrowing capacity |  | $ 227 |  |  |
Contribution obligation by co-venturer | $ 12 |  |  |  |
Equity Method Investments | $ 129 |  |  |  |
Merey Sweeny [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Additional ownership interest acquired |  |  | 50.00% | 50.00% |
Petroleos De Venezuela S.A. (PDVSA) [Member] | Merey Sweeny [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of equity interest of others |  |  |  |  | 50.00%
Energy Transfer [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of joint ventures | joint_venture | 2 |  |  |  |
Conocophillips [Member] | Merey Sweeny [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of ownership interest |  |  |  |  | 50.00%
Corporate Joint Venture [Member] | Dakota Access LLC [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Loans and leases receivable, related parties | $ 382 |  |  |  |
Corporate Joint Venture [Member] | Energy Transfer Crude Oil Company, LLC [Member] |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Loans and leases receivable, related parties | $ 46 |  |  |  |

X
- Definition Additional equity method ownership interest acquired in Merey Sweeny Limited Partnership. + References No definition available. + Details
Name: | psx_AdditionalEquityMethodOwnershipInterestAcquiredInLimitedPartnership
Namespace Prefix: | psx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The equity percentage held by other companies in investments in which the entity also holds an interest. + References No definition available. + Details
Name: | psx_EquityInterestOfOthers
Namespace Prefix: | psx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of contribution obligation by co-venturer in a business venture. + References No definition available. + Details
Name: | psx_EquityMethodInvestmentContributionObligationByCoVenturer
Namespace Prefix: | psx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Equity Method Investment, Maximum Borrowing Capacity + References No definition available. + Details
Name: | psx_EquityMethodInvestmentMaximumBorrowingCapacity
Namespace Prefix: | psx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of joint ventures + References No definition available. + Details
Name: | psx_NumberOfJointVentures
Namespace Prefix: | psx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_EquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(e)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_LoansAndLeasesReceivableRelatedParties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=psx_DakotaAccessLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=psx_EnergyTransferCrudeOilCompanyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=psx_MereySweenyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | psx_CoVenturerNameAxis=psx_PetroleosDeVenezuelaSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CounterpartyNameAxis=psx_EnergyTransferMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=psx_ConocophillipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_CorporateJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |