Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entity (Details)

v2.4.0.6
Variable Interest Entity (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Variable Interest Entity [Line Items]        
Marketing and trading revenues $ 1.0 $ 0.2 $ 0.9 $ 0.5
JPMorgan LNG Co (LNGCo) [Member]
       
Variable Interest Entity [Line Items]        
Marketing and trading revenues 1.5 4.9 4.0 7.3
Cheniere Marketing, LLC [Member]
       
Variable Interest Entity [Line Items]        
Carrying amount of Cheniere Marketing's assets related to LNGCo $ 2.6   $ 2.6