Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Narrative (Details)

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Derivative Instruments - Narrative (Details)
MMBTU in Millions
 1 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2015
USD ($)
May. 31, 2014
USD ($)
Sep. 30, 2015
USD ($)
MMBTU
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
MMBTU
Sep. 30, 2014
USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]            
Asset Transfers into Level 3     $ 0 $ 0 $ 0 $ 0
Asset Transfers out of Level 3     $ 0 $ 0 $ 0 $ 0
Energy Units Secured Through Long-Term Purchase Agreements | MMBTU     2,156.6   2,156.6  
Liquefaction Supply Derivatives [Member]            
Derivative Instruments and Hedging Activities Disclosures [Line Items]            
Derivative, Notional Amount | MMBTU     1,244.1   1,244.1  
Liquefaction Supply Derivatives [Member] | Minimum [Member]            
Derivative Instruments and Hedging Activities Disclosures [Line Items]            
Derivative, Term of Contract         1 year  
Liquefaction Supply Derivatives [Member] | Maximum [Member]            
Derivative Instruments and Hedging Activities Disclosures [Line Items]            
Derivative, Term of Contract         7 years  
SPL [Member] | 2013 SPL Credit Facilities [Member]            
Derivative Instruments and Hedging Activities Disclosures [Line Items]            
Line of Credit Facility, Decrease, Net $ 1,800,000,000 $ 2,100,000,000        
SPL [Member] | Interest Rate Derivatives [Member]            
Derivative Instruments and Hedging Activities Disclosures [Line Items]            
Derivative Loss, Net $ 34,700,000 $ 9,300,000