Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - SPL LC Agreement (Details)

v2.4.1.9
Long-Term Debt - SPL LC Agreement (Details) (Sabine Pass Liquefaction [Member], SPL LC Agreement [Member], USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Apr. 30, 2014
Line of Credit Facility [Line Items]      
Letter of Credit and Reimbursement Agreement     $ 325,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Letter of Credit, Basis Spread over Base Rate 2.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1    
Letters of Credit Outstanding, Amount 72,500,000us-gaap_LettersOfCreditOutstandingAmount 9,500,000us-gaap_LettersOfCreditOutstandingAmount  
Letter of Credit, Drawn Amount $ 0us-gaap_LineOfCredit $ 0us-gaap_LineOfCredit  
Unissued Portion [Member]
     
Line of Credit Facility [Line Items]      
Letter of Credit, Commitment Fee Percentage 0.75%us-gaap_LineOfCreditFacilityCommitmentFeePercentage
/ us-gaap_DebtInstrumentAxis
= us-gaap_LetterOfCreditMember
/ dei_LegalEntityAxis
= lng_SabinePassLiquefactionMember
/ lng_LetterOfCreditAxis
= lng_UnissuedPortionMember
   
Portion issued and not drawn [Member]
     
Line of Credit Facility [Line Items]      
Letter of Credit, Commitment Fee Percentage 2.50%us-gaap_LineOfCreditFacilityCommitmentFeePercentage
/ us-gaap_DebtInstrumentAxis
= us-gaap_LetterOfCreditMember
/ dei_LegalEntityAxis
= lng_SabinePassLiquefactionMember
/ lng_LetterOfCreditAxis
= lng_PortionissuedandnotdrawnMember