Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Convertible Notes (Details)

v2.4.1.9
Long-Term Debt - Convertible Notes (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Nov. 30, 2014
Mar. 09, 2015
Debt Instrument [Line Items]        
Debt Instrument, Convertible, Conversion Ratio per $1,000 principal amount, in shares 0us-gaap_DebtInstrumentConvertibleConversionRatio1      
2021 Convertible Unsecured Notes [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount     $ 1,000,000,000.0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
 
Debt Instrument, Interest Rate, Stated Percentage 4.875%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
     
Debt Instrument, Convertible, Earliest date of conversion, Period after closing 1 year      
Debt Instrument, Convertible, Conversion Price 93.64us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
     
Convertible Debt     808,800,000us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
 
Debt Instrument, Convertible, Carrying Amount of Equity Component 191,500,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
191,500,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
191,200,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
 
Debt Instrument, Interest Rate, Effective Percentage 9.20%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
9.20%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= lng_A2021ConvertibleUnsecuredNotesMember
   
Debt Instrument, Convertible, Remaining Discount Amortization Period 6 years 1 month 28 days      
2045 Convertible Senior Notes [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount 625,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
     
Debt Instrument, Interest Rate, Stated Percentage 4.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
     
Debt Instrument, Original Issue Discount 20.00%lng_DebtInstrumentOriginalIssueDiscount
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
     
Debt Instrument, Convertible, Conversion Ratio per $1,000 principal amount, in shares 7.2265us-gaap_DebtInstrumentConvertibleConversionRatio1
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
     
Debt Instrument, Convertible, Conversion Price 138.38us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
     
Convertible Debt       304,300,000us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
Debt Instrument, Convertible, Carrying Amount of Equity Component 194,100,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
    195,700,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
Debt Instrument, Interest Rate, Effective Percentage 9.40%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= lng_A2045ConvertibleSeniorNotesMember
     
Debt Instrument, Convertible, Remaining Discount Amortization Period 30 years      
2025 Convertible Senior Notes [Member]        
Debt Instrument [Line Items]        
Note Purchase Agreement Amount 1,500,000,000us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
/ us-gaap_DebtInstrumentAxis
= lng_A2025ConvertibleSeniorNotesMember