Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entity (Details)

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Variable Interest Entity (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Variable Interest Entity [Line Items]    
Marketing and trading revenues $ 1.9 $ 0.6
JPMorgan LNG Co (LNGCo) [Member]
   
Variable Interest Entity [Line Items]    
Marketing and trading revenues 2.6 2.4
Cheniere Marketing, LLC [Member]
   
Variable Interest Entity [Line Items]    
Carrying amount of Cheniere Marketing's assets related to LNGCo $ 2.6