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Financial Instruments - Narrative (Details) (USD $)
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3 Months Ended | 9 Months Ended | 1 Months Ended | |||||||
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Sep. 30, 2014
Fuel Derivative or LNG Inventory Derivative [Member]
Other Current Assets [Member]
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Dec. 31, 2013
Fuel Derivative or LNG Inventory Derivative [Member]
Other Current Assets [Member]
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Sep. 30, 2014
Term Gas Supply Derivatives [Member]
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Sep. 30, 2014
Term Gas Supply Derivatives [Member]
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Sep. 30, 2014
Term Gas Supply Derivatives [Member]
Minimum [Member]
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Sep. 30, 2014
Term Gas Supply Derivatives [Member]
Maximum [Member]
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Sep. 30, 2014
Interest Rate Contract [Member]
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Dec. 31, 2013
Interest Rate Contract [Member]
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May 31, 2014
Interest Rate Contract [Member]
Derivative gain (loss), net [Member]
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May 31, 2014
Sabine Pass Liquefaction [Member]
2013 Liquefaction Credit Facilities [Member]
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| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||||||||
| Derivative Assets (Liabilities), at Fair Value, Net | $ 0 | $ 0 | $ 15,059,000 | $ 84,639,000 | ||||||
| Derivative, Collateral, Right to Reclaim Cash | 6,600,000 | 5,900,000 | ||||||||
| Derivative, Term of Contract | 1 year | 7 years | ||||||||
| Derivative, Gain (Loss) on Derivative, Net | 0 | 0 | 9,300,000 | |||||||
| Derivative, Notional Amount, in MMBtu | 2,161,000,000 | 2,161,000,000 | ||||||||
| Repayments of Lines of Credit | $ 2,100,000,000 | |||||||||