Annual report pursuant to Section 13 and 15(d)

Schedule 1—Condensed Financial Information of Registrant - Condensed Statement of Cash Flows (Details)

v2.4.1.9
Schedule 1—Condensed Financial Information of Registrant - Condensed Statement of Cash Flows (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]      
Cash flows from operating activities $ 11,928us-gaap_NetCashProvidedByUsedInOperatingActivities $ 35,664us-gaap_NetCashProvidedByUsedInOperatingActivities $ (37,741)us-gaap_NetCashProvidedByUsedInOperatingActivities
Net Cash Provided by (Used in) Investing Activities [Abstract]      
Purchase of Creole Trail Pipeline Business, net 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired (313,892)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Other (38,880)us-gaap_PaymentsForProceedsFromOtherInvestingActivities (13,897)us-gaap_PaymentsForProceedsFromOtherInvestingActivities (740)us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Net cash used in investing activities (15,101)us-gaap_NetCashProvidedByUsedInInvestingActivities (328,800)us-gaap_NetCashProvidedByUsedInInvestingActivities (4,785)us-gaap_NetCashProvidedByUsedInInvestingActivities
Net Cash Provided by (Used in) Financing Activities [Abstract]      
Proceeds from sale of Class B units 0cqp_ProceedsFromSaleOfClassBUnits 0cqp_ProceedsFromSaleOfClassBUnits 1,887,342cqp_ProceedsFromSaleOfClassBUnits
Distributions to owners (98,979)us-gaap_PaymentsOfCapitalDistribution (91,386)us-gaap_PaymentsOfCapitalDistribution (57,821)us-gaap_PaymentsOfCapitalDistribution
Proceeds from sale of partnership common and general partner units 0us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit 375,897us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit 250,022us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
Net cash provided by (used in) financing activities (99,029)us-gaap_NetCashProvidedByUsedInFinancingActivities 224,876us-gaap_NetCashProvidedByUsedInFinancingActivities 380,403us-gaap_NetCashProvidedByUsedInFinancingActivities
Net increase (decrease) in cash and cash equivalents (102,202)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (68,260)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 337,877us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents—beginning of period 351,032us-gaap_CashAndCashEquivalentsAtCarryingValue 419,292us-gaap_CashAndCashEquivalentsAtCarryingValue 81,415us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents—end of period 248,830us-gaap_CashAndCashEquivalentsAtCarryingValue 351,032us-gaap_CashAndCashEquivalentsAtCarryingValue 419,292us-gaap_CashAndCashEquivalentsAtCarryingValue
Parent Company [Member]      
Condensed Financial Statements, Captions [Line Items]      
Cash flows from operating activities (24,416)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(13,056)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(17,508)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net Cash Provided by (Used in) Investing Activities [Abstract]      
Investment in subsidiaries (77,847)us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(405,452)us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,785,866)us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Distributions received from affiliates, net 108,625us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
369,726us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
61,529us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Purchase of Creole Trail Pipeline Business, net 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(313,892)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Other 0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net cash used in investing activities 30,778us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(349,618)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,724,334)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net Cash Provided by (Used in) Financing Activities [Abstract]      
Proceeds from sale of Class B units 0cqp_ProceedsFromSaleOfClassBUnits
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0cqp_ProceedsFromSaleOfClassBUnits
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
1,887,342cqp_ProceedsFromSaleOfClassBUnits
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Distributions to owners (99,014)us-gaap_PaymentsOfCapitalDistribution
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(91,386)us-gaap_PaymentsOfCapitalDistribution
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(57,821)us-gaap_PaymentsOfCapitalDistribution
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Proceeds from sale of partnership common and general partner units 0us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
375,897us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
250,021us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Deferred financing costs 0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(874)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net cash provided by (used in) financing activities (99,014)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
284,511us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
2,078,668us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net increase (decrease) in cash and cash equivalents (92,652)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(78,163)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
336,826us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash and cash equivalents—beginning of period 314,782us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
392,945us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
56,119us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash and cash equivalents—end of period $ 222,130us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 314,782us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 392,945us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember