Financial Instruments - Fair Value and Settlements of Derivatives (Details) (USD $)
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3 Months Ended | 6 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | ||||||||||||||||||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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Jun. 30, 2013
Interest Rate Contract [Member]
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Jun. 30, 2012
Interest Rate Contract [Member]
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Jun. 30, 2013
Fuel Derivatives [Member]
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Jun. 30, 2012
Fuel Derivatives [Member]
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Jun. 30, 2013
Fuel Derivatives [Member]
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Jun. 30, 2012
Fuel Derivatives [Member]
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Dec. 31, 2012
Fuel Derivatives [Member]
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Mar. 31, 2013
LNG Inventory Derivatives [Member]
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Mar. 31, 2012
LNG Inventory Derivatives [Member]
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Jun. 30, 2013
LNG Inventory Derivatives [Member]
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Jun. 30, 2012
LNG Inventory Derivatives [Member]
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Dec. 31, 2012
LNG Inventory Derivatives [Member]
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Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Interest Rate Contract [Member]
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Dec. 31, 2012
Not Designated as Hedging Instrument [Member]
Interest Rate Contract [Member]
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Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Sabine Pass Liquefaction [Member]
Interest Rate Contract [Member]
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Jun. 30, 2013
Gain (Loss) on Settlement of Derivative Instrument [Member]
Interest Rate Contract [Member]
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Jun. 30, 2012
Gain (Loss) on Settlement of Derivative Instrument [Member]
Interest Rate Contract [Member]
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Jun. 30, 2013
Designated as Hedging Instrument [Member]
Interest Rate Contract [Member]
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Jun. 30, 2012
Designated as Hedging Instrument [Member]
Interest Rate Contract [Member]
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Jun. 30, 2013
Designated as Hedging Instrument [Member]
Interest Rate Contract [Member]
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Jun. 30, 2012
Designated as Hedging Instrument [Member]
Interest Rate Contract [Member]
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Dec. 31, 2012
Designated as Hedging Instrument [Member]
Interest Rate Contract [Member]
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Derivative [Line Items] | |||||||||||||||||||||||||||
Derivative gain (loss) in Other Comprehensive Income | $ 0 | $ 0 | $ 21,297,000 | $ 0 | |||||||||||||||||||||||
Derivative, Collateral, Right to Reclaim Cash | 5,300,000 | 5,300,000 | 5,900,000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
Derivative gain (loss) | 95,509,000 | 261,000 | 78,041,000 | (575,000) | (504,000) | 261,000 | 11,000 | (575,000) | 892,000 | (995,000) | 368,000 | 864,000 | |||||||||||||||
Notional Amount of Interest Rate Derivatives | 0 | ||||||||||||||||||||||||||
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
Derivative gain (loss) recognized in income (ineffective portion and amount excluded from Effectiveness Testing) | (167,000) | 0 | (167,000) | 0 | (5,806,000) | 0 | (5,806,000) | 0 | |||||||||||||||||||
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax | $ 0 | $ 0 | $ (30,000) | $ 0 | $ 0 | $ 0 | $ (30,000) | $ 0 |