Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment (Details)

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Property, Plant and Equipment (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Fixed assets [Member]
   
Property, Plant and Equipment [Line Items]    
Depreciation expense $ 2.0 $ 0.8
Sabine Pass LNG terminal [Member] | LNG terminal costs [Member]
   
Property, Plant and Equipment [Line Items]    
Depreciation expense 10.6 10.7
Creole Trail LNG [Member] | Natural gas pipeline costs [Member]
   
Property, Plant and Equipment [Line Items]    
Depreciation expense $ 3.7 $ 3.7