Annual report pursuant to Section 13 and 15(d)

Schedule I—Condensed Financial Information of Registrant - Debt Footnote (Details)

v2.4.1.9
Schedule I—Condensed Financial Information of Registrant - Debt Footnote (Details) (Parent Company [Member], USD $)
Share data in Millions, unless otherwise specified
1 Months Ended 0 Months Ended 12 Months Ended
Aug. 31, 2012
May 31, 2007
Dec. 31, 2014
Jan. 31, 2012
Aug. 30, 2008
May 30, 2007
Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]              
Line of Credit Facility, Current Borrowing Capacity         $ 250,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity $ 400,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity  
Stock Repurchased During Period, Shares 9us-gaap_StockRepurchasedDuringPeriodShares            
Letters of Credit, Drawn Amount       93,700,000us-gaap_LineOfCredit      
Notes Payable Affiliate [Member]              
Condensed Financial Statements, Captions [Line Items]              
Debt Instrument, Face Amount           391,700,000us-gaap_DebtInstrumentFaceAmount
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_LongtermDebtTypeAxis
= lng_NotesPayableAffiliateMember
 
Proceeds from Related Party Debt   391,700,000us-gaap_ProceedsFromRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_LongtermDebtTypeAxis
= lng_NotesPayableAffiliateMember
         
Convertible Subordinated Debt [Member]              
Condensed Financial Statements, Captions [Line Items]              
Debt Instrument, Face Amount 325,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= us-gaap_ConvertibleSubordinatedDebtMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
           
Notes Payable Affiliate [Member]              
Condensed Financial Statements, Captions [Line Items]              
Note—Affiliate     $ 134,444,000us-gaap_DebtCurrent
/ us-gaap_DebtInstrumentAxis
= lng_NotesPayableAffiliateMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
      $ 125,307,000us-gaap_DebtCurrent
/ us-gaap_DebtInstrumentAxis
= lng_NotesPayableAffiliateMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Line of Credit Facility, Interest Rate During Period     9.75%us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
/ us-gaap_DebtInstrumentAxis
= lng_NotesPayableAffiliateMember
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember