Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
Dec. 31, 2011
Dec. 31, 2011
Crest Royalty [Member]
Minimum [Member]
Dec. 31, 2011
Crest Royalty [Member]
Maximum [Member]
Nov. 30, 2011
Sabine Pass LNG, LP [Member]
Capital Additions [Member]
Nov. 30, 2011
Sabine Pass LNG, LP [Member]
Capital Additions [Member]
Minimum [Member]
Nov. 30, 2011
Sabine Pass LNG, LP [Member]
Capital Additions [Member]
Maximum [Member]
Oil and Gas Delivery Commitments and Contracts [Line Items]            
Train nominal capacity       4.5    
Oil and Gas Delivery Commitments and Contracts, Contract Price       $ 3,900,000,000    
Lump sum payment, termination prior to issuance of notice to proceed         1,000,000 2,500,000
Lump sum payment, termination after issuance of notice to proceed           30,000,000
Long-term Purchase Commitment, Amount   2,000,000 11,000,000      
Restricted net assets of consolidated subsidiaries $ (240,200,000)