Annual report pursuant to Section 13 and 15(d)

Derivative Instruments - Derivative Instruments, Gain (Loss) (Details)

v2.4.1.9
Derivative Instruments - Derivative Instruments, Gain (Loss) (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Term Gas Supply Derivatives [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements $ 0us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember 		$ 0us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember 		$ 0us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
Revenues [Member] | LNG Inventory Derivatives [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Gain (Loss) on Derivative, Net (31,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SalesMember 		(463,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SalesMember 		1,036,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SalesMember
Derivative gain (loss), net [Member] | LNG Inventory Derivatives [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Gain (Loss) on Derivative, Net 1,108,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		476,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		0us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember
Derivative gain (loss), net [Member] | Fuel Derivatives [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Gain (Loss) on Derivative, Net 281,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		[1] 181,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		[1] (622,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= cqp_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		[1]
Derivative gain (loss), net [Member] | Interest Rate Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net (119,401,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		88,596,000us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		679,000us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember
Operating and maintenance expense [Member] | Term Gas Supply Derivatives [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Gain (Loss) on Derivative, Net $ 342,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OperatingExpenseMember 		[2] $ 0us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OperatingExpenseMember 		[2] $ 0us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OperatingExpenseMember 		[2]
[1] Excludes settlements of hedges of the exposure to price risk attributable to future purchases of natural gas to be utilized as fuel to operate the Sabine Pass LNG terminal for which Sabine Pass LNG has elected the normal purchase normal sale exception from derivative accounting and has recorded as operating and maintenance expense.
[2] There were no settlements during the reporting period.