3.4.0.3 html 159 217 1 true 54 0 false 9 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.phillips66partners.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Statement of Income Sheet http://www.phillips66partners.com/role/ConsolidatedStatementOfIncome Consolidated Statement of Income Statements 2 false false R3.htm 1002000 - Statement - Consolidated Statement of Comprehensive Income Sheet http://www.phillips66partners.com/role/ConsolidatedStatementOfComprehensiveIncome Consolidated Statement of Comprehensive Income Statements 3 false false R4.htm 1003000 - Statement - Consolidated Balance Sheet Sheet http://www.phillips66partners.com/role/ConsolidatedBalanceSheet Consolidated Balance Sheet Statements 4 false false R5.htm 1003001 - Statement - Consolidated Balance Sheet (Parenthetical) Sheet http://www.phillips66partners.com/role/ConsolidatedBalanceSheetParenthetical Consolidated Balance Sheet (Parenthetical) Statements 5 false false R6.htm 1004000 - Statement - Consolidated Statement of Cash Flows Sheet http://www.phillips66partners.com/role/ConsolidatedStatementOfCashFlows Consolidated Statement of Cash Flows Statements 6 false false R7.htm 1005000 - Statement - Consolidated Statement of Changes in Equity Sheet http://www.phillips66partners.com/role/ConsolidatedStatementOfChangesInEquity Consolidated Statement of Changes in Equity Statements 7 false false R8.htm 2101100 - Disclosure - Business and Basis of Presentation Sheet http://www.phillips66partners.com/role/BusinessAndBasisOfPresentation Business and Basis of Presentation Notes 8 false false R9.htm 2102100 - Disclosure - Interim Financial Information Sheet http://www.phillips66partners.com/role/InterimFinancialInformation Interim Financial Information Notes 9 false false R10.htm 2104100 - Disclosure - Changes in Accounting Principles Sheet http://www.phillips66partners.com/role/ChangesInAccountingPrinciples Changes in Accounting Principles Notes 10 false false R11.htm 2104100 - Disclosure - Sweeny Fractionator Acquisition Sheet http://www.phillips66partners.com/role/SweenyFractionatorAcquisition Sweeny Fractionator Acquisition Notes 11 false false R12.htm 2105100 - Disclosure - Equity Investments Sheet http://www.phillips66partners.com/role/EquityInvestments Equity Investments Notes 12 false false R13.htm 2106100 - Disclosure - Properties, Plants and Equipment Sheet http://www.phillips66partners.com/role/PropertiesPlantsAndEquipment Properties, Plants and Equipment Notes 13 false false R14.htm 2107100 - Disclosure - Debt Sheet http://www.phillips66partners.com/role/Debt Debt Notes 14 false false R15.htm 2108100 - Disclosure - Equity Sheet http://www.phillips66partners.com/role/Equity Equity Notes 15 false false R16.htm 2109100 - Disclosure - Net Income Per Limited Partner Unit Sheet http://www.phillips66partners.com/role/NetIncomePerLimitedPartnerUnit Net Income Per Limited Partner Unit Notes 16 false false R17.htm 2110100 - Disclosure - Contingencies Sheet http://www.phillips66partners.com/role/Contingencies Contingencies Notes 17 false false R18.htm 2111100 - Disclosure - Cash Flow Information Sheet http://www.phillips66partners.com/role/CashFlowInformation Cash Flow Information Notes 18 false false R19.htm 2112100 - Disclosure - Related Party Transactions Sheet http://www.phillips66partners.com/role/RelatedPartyTransactions Related Party Transactions Notes 19 false false R20.htm 2113100 - Disclosure - Income Taxes Sheet http://www.phillips66partners.com/role/IncomeTaxes Income Taxes Notes 20 false false R21.htm 2114100 - Disclosure - Leases Sheet http://www.phillips66partners.com/role/Leases Leases Notes 21 false false R22.htm 2115100 - Disclosure - New Accounting Standards Sheet http://www.phillips66partners.com/role/NewAccountingStandards New Accounting Standards Notes 22 false false R23.htm 2201201 - Disclosure - Business and Basis of Presentation (Policies) Sheet http://www.phillips66partners.com/role/BusinessAndBasisOfPresentationPolicies Business and Basis of Presentation (Policies) Policies http://www.phillips66partners.com/role/ChangesInAccountingPrinciples 23 false false R24.htm 2304301 - Disclosure - Sweeny Fractionator Acquisition (Tables) Sheet http://www.phillips66partners.com/role/SweenyFractionatorAcquisitionTables Sweeny Fractionator Acquisition (Tables) Tables http://www.phillips66partners.com/role/SweenyFractionatorAcquisition 24 false false R25.htm 2305301 - Disclosure - Equity Investments (Tables) Sheet http://www.phillips66partners.com/role/EquityInvestmentsTables Equity Investments (Tables) Tables http://www.phillips66partners.com/role/EquityInvestments 25 false false R26.htm 2306301 - Disclosure - Properties, Plants and Equipment (Tables) Sheet http://www.phillips66partners.com/role/PropertiesPlantsAndEquipmentTables Properties, Plants and Equipment (Tables) Tables http://www.phillips66partners.com/role/PropertiesPlantsAndEquipment 26 false false R27.htm 2307301 - Disclosure - Debt (Tables) Sheet http://www.phillips66partners.com/role/DebtTables Debt (Tables) Tables http://www.phillips66partners.com/role/Debt 27 false false R28.htm 2309301 - Disclosure - Net Income Per Limited Partner Unit (Tables) Sheet http://www.phillips66partners.com/role/NetIncomePerLimitedPartnerUnitTables Net Income Per Limited Partner Unit (Tables) Tables http://www.phillips66partners.com/role/NetIncomePerLimitedPartnerUnit 28 false false R29.htm 2311301 - Disclosure - Cash Flow Information (Tables) Sheet http://www.phillips66partners.com/role/CashFlowInformationTables Cash Flow Information (Tables) Tables http://www.phillips66partners.com/role/CashFlowInformation 29 false false R30.htm 2312301 - Disclosure - Related Party Transactions (Tables) Sheet http://www.phillips66partners.com/role/RelatedPartyTransactionsTables Related Party Transactions (Tables) Tables http://www.phillips66partners.com/role/RelatedPartyTransactions 30 false false R31.htm 2314301 - Disclosure - Leases (Tables) Sheet http://www.phillips66partners.com/role/LeasesTables Leases (Tables) Tables http://www.phillips66partners.com/role/Leases 31 false false R32.htm 2401402 - Disclosure - Business and Basis of Presentation (Narrative) (Details) Sheet http://www.phillips66partners.com/role/BusinessAndBasisOfPresentationNarrativeDetails Business and Basis of Presentation (Narrative) (Details) Details http://www.phillips66partners.com/role/BusinessAndBasisOfPresentationPolicies 32 false false R33.htm 2404402 - Disclosure - Sweeny Fractionator Acquisition (Schedule of Results of Operations Giving Effect to Acquisitions) (Details) Sheet http://www.phillips66partners.com/role/SweenyFractionatorAcquisitionScheduleOfResultsOfOperationsGivingEffectToAcquisitionsDetails Sweeny Fractionator Acquisition (Schedule of Results of Operations Giving Effect to Acquisitions) (Details) Details http://www.phillips66partners.com/role/SweenyFractionatorAcquisitionTables 33 false false R34.htm 2404403 - Disclosure - Sweeny Fractionator Acquisition (Narrative) (Details) Sheet http://www.phillips66partners.com/role/SweenyFractionatorAcquisitionNarrativeDetails Sweeny Fractionator Acquisition (Narrative) (Details) Details http://www.phillips66partners.com/role/SweenyFractionatorAcquisitionTables 34 false false R35.htm 2405402 - Disclosure - Equity Investments (Schedule of Equity Investments) (Details) Sheet http://www.phillips66partners.com/role/EquityInvestmentsScheduleOfEquityInvestmentsDetails Equity Investments (Schedule of Equity Investments) (Details) Details http://www.phillips66partners.com/role/EquityInvestmentsTables 35 false false R36.htm 2405403 - Disclosure - Equity Investments (Summarized Financial Information) (Details) Sheet http://www.phillips66partners.com/role/EquityInvestmentsSummarizedFinancialInformationDetails Equity Investments (Summarized Financial Information) (Details) Details http://www.phillips66partners.com/role/EquityInvestmentsTables 36 false false R37.htm 2405404 - Disclosure - Equity Investments (Narrative) (Details) Sheet http://www.phillips66partners.com/role/EquityInvestmentsNarrativeDetails Equity Investments (Narrative) (Details) Details http://www.phillips66partners.com/role/EquityInvestmentsTables 37 false false R38.htm 2406402 - Disclosure - Properties, Plants and Equipment (Summary of Properties, Plants and Equipment)(Details) Sheet http://www.phillips66partners.com/role/PropertiesPlantsAndEquipmentSummaryOfPropertiesPlantsAndEquipmentdetails Properties, Plants and Equipment (Summary of Properties, Plants and Equipment)(Details) Details http://www.phillips66partners.com/role/PropertiesPlantsAndEquipmentTables 38 false false R39.htm 2407402 - Disclosure - Debt (Summary of Long-Term Debt) (Details) Sheet http://www.phillips66partners.com/role/DebtSummaryOfLongTermDebtDetails Debt (Summary of Long-Term Debt) (Details) Details http://www.phillips66partners.com/role/DebtTables 39 false false R40.htm 2407403 - Disclosure - Debt (Narrative) (Details) Sheet http://www.phillips66partners.com/role/DebtNarrativeDetails Debt (Narrative) (Details) Details http://www.phillips66partners.com/role/DebtTables 40 false false R41.htm 2408401 - Disclosure - Equity (Narrative) (Details) Sheet http://www.phillips66partners.com/role/EquityNarrativeDetails Equity (Narrative) (Details) Details http://www.phillips66partners.com/role/EquityInvestmentsTables 41 false false R42.htm 2409402 - Disclosure - Net Income Per Limited Partner Unit (Schedule of Net Income By Class of Participating Securities) (Details) Sheet http://www.phillips66partners.com/role/NetIncomePerLimitedPartnerUnitScheduleOfNetIncomeByClassOfParticipatingSecuritiesDetails Net Income Per Limited Partner Unit (Schedule of Net Income By Class of Participating Securities) (Details) Details http://www.phillips66partners.com/role/NetIncomePerLimitedPartnerUnitTables 42 false false R43.htm 2409403 - Disclosure - Net Income Per Limited Partner Unit (Narrative) (Details) Sheet http://www.phillips66partners.com/role/NetIncomePerLimitedPartnerUnitNarrativeDetails Net Income Per Limited Partner Unit (Narrative) (Details) Details http://www.phillips66partners.com/role/NetIncomePerLimitedPartnerUnitTables 43 false false R44.htm 2410401 - Disclosure - Contingencies (Narrative) (Details) Sheet http://www.phillips66partners.com/role/ContingenciesNarrativeDetails Contingencies (Narrative) (Details) Details http://www.phillips66partners.com/role/Contingencies 44 false false R45.htm 2411402 - Disclosure - Cash Flow Information (Summary of Cash Flow Information) (Details) Sheet http://www.phillips66partners.com/role/CashFlowInformationSummaryOfCashFlowInformationDetails Cash Flow Information (Summary of Cash Flow Information) (Details) Details http://www.phillips66partners.com/role/CashFlowInformationTables 45 false false R46.htm 2411403 - Disclosure - Cash Flow Information (Narrative) (Details) Sheet http://www.phillips66partners.com/role/CashFlowInformationNarrativeDetails Cash Flow Information (Narrative) (Details) Details http://www.phillips66partners.com/role/CashFlowInformationTables 46 false false R47.htm 2412402 - Disclosure - Related Parties Transactions (Summary of Related Party Transactions) (Details) Sheet http://www.phillips66partners.com/role/RelatedPartiesTransactionsSummaryOfRelatedPartyTransactionsDetails Related Parties Transactions (Summary of Related Party Transactions) (Details) Details 47 false false R48.htm 2412403 - Disclosure - Related Party Transactions (Narrative) (Details) Sheet http://www.phillips66partners.com/role/RelatedPartyTransactionsNarrativeDetails Related Party Transactions (Narrative) (Details) Details http://www.phillips66partners.com/role/RelatedPartyTransactionsTables 48 false false R49.htm 2413401 - Disclosure - Income Taxes (Narrative) (Details) Sheet http://www.phillips66partners.com/role/IncomeTaxesNarrativeDetails Income Taxes (Narrative) (Details) Details http://www.phillips66partners.com/role/IncomeTaxes 49 false false R50.htm 2414402 - Disclosure - Leases (Schedule of Future Minimum Operating Lease Income) (Details) Sheet http://www.phillips66partners.com/role/LeasesScheduleOfFutureMinimumOperatingLeaseIncomeDetails Leases (Schedule of Future Minimum Operating Lease Income) (Details) Details http://www.phillips66partners.com/role/LeasesTables 50 false false R51.htm 2415401 - Disclosure - New Accounting Standards (Narrative) (Details) Sheet http://www.phillips66partners.com/role/NewAccountingStandardsNarrativeDetails New Accounting Standards (Narrative) (Details) Details http://www.phillips66partners.com/role/NewAccountingStandards 51 false false All Reports Book All Reports psxp-20160331.xml psxp-20160331.xsd psxp-20160331_cal.xml psxp-20160331_def.xml psxp-20160331_lab.xml psxp-20160331_pre.xml true true