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
Marketing and trading revenues (losses) [Member] | LNG Inventory Derivatives [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Gain (Loss) on Derivative, Net (346,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_TradingRevenueMember 		(449,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_TradingRevenueMember 		995,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_TradingRevenueMember
Marketing and trading revenues (losses) [Member] | Fuel Derivatives [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Gain (Loss) on Derivative, Net (952,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_TradingRevenueMember 		99,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_TradingRevenueMember 		0us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_TradingRevenueMember
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
= lng_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		476,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_LngInventoryDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		0us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_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
= lng_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		182,000us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember 		(622,000)us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= lng_FuelDerivativesMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GainLossOnDerivativeInstrumentsMember
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 		[1] $ 0us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OperatingExpenseMember 		[1] $ 0us-gaap_DerivativeGainLossOnDerivativeNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_PriceRiskDerivativeMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OperatingExpenseMember 		[1]
[1] There were no settlements during the reporting period.