Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Capitalized Costs and Fixed Assets (Details)

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Property, Plant and Equipment - Capitalized Costs and Fixed Assets (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, net $ 3,241,990,000   $ 2,704,895,000
Depreciation expense 10,650,000 10,629,000  
LNG terminal costs [Member]
      
Property, Plant and Equipment [Line Items]      
Accumulated depreciation (177,084,000)   (166,538,000)
Property, plant and equipment, net 3,241,095,000   2,703,987,000
Depreciation expense 10,500,000    
LNG terminal [Member]
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 1,641,717,000   1,641,722,000
LNG terminal construction-in-process [Member]
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 1,776,308,000   1,228,647,000
LNG site and related costs, net [Member]
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 154,000   156,000
Fixed assets [Member]
      
Property, Plant and Equipment [Line Items]      
Accumulated depreciation (2,500,000)   (2,397,000)
Property, plant and equipment, net 895,000   908,000
Computer and Office Equipment
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 424,000   368,000
Vehicles
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 797,000   704,000
Machinery and Equipment
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 1,471,000   1,473,000
Other
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 703,000   760,000
Sabine Pass Liquefaction [Member]
      
Property, Plant and Equipment [Line Items]      
Capitalized interest expense $ 35,300,000