| Long-Term Debt - Sabine Pass Liquefaction Credit Facilities (Details) (USD $) | 3 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | 1 Months Ended | 1 Months Ended | 4 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013
 Sabine Pass Liquefaction Notes due 2023 [Member]
 Sabine Pass Liquefaction [Member] | Sep. 30, 2013
 Senior Secured Notes Due 2021 [Member] | Sep. 30, 2013
 Senior Secured Notes Due 2021 [Member]
 Sabine Pass Liquefaction [Member] | Apr. 30, 2013
 2012 Liquefaction Credit Facility [Member]
 Sabine Pass Liquefaction [Member] | Jul. 31, 2012
 2012 Liquefaction Credit Facility [Member]
 Sabine Pass Liquefaction [Member] | Sep. 30, 2013
 2012 Liquefaction Credit Facility [Member]
 Sabine Pass Liquefaction [Member] | Aug. 31, 2012
 2012 Liquefaction Credit Facility [Member]
 Sabine Pass Liquefaction [Member] | Sep. 30, 2013
 2012 Liquifaction Credit Facility - LIBOR Loans [Member]
 Operations [Member] | Sep. 30, 2013
 2012 Liquifaction Credit Facility - LIBOR Loans [Member]
 Construction [Member] | Sep. 30, 2013
 2021 Sabine Pass Liquefaction Notes [Member]
 Sabine Pass Liquefaction [Member]
 Rate | Sep. 30, 2013
 2013 Sabine Pass Liquefaction Credit Facility [Member]
 Sabine Pass Liquefaction [Member] | Jul. 31, 2012
 Liquefaction Credit Facility
 2012 Liquefaction Credit Facility [Member] | Sep. 30, 2013
 Liquefaction Credit Facility
 2012 Liquefaction Credit Facility [Member] | Jul. 31, 2012
 Liquefaction Credit Facility
 2012 Liquifaction Credit Facility - LIBOR Loans [Member] | Sep. 30, 2013
 Liquefaction Credit Facility
 2013 Sabine Pass Liquefaction Credit Facility [Member] | Sep. 30, 2013
 Liquefaction Credit Facility
 2013 Liquifaction Credit Facility - LIBOR Loans [Member] [Member] | Dec. 31, 2012
 Debt Service Reserve Fund [Member]
 Acquisition of Non-current Assets [Member]
 2012 Liquefaction Credit Facility [Member]
 Sabine Pass Liquefaction [Member] | Sep. 30, 2013
 Operations [Member]
 Minimum [Member]
 2013 Liquifaction Credit Facility - LIBOR Loans [Member] [Member] | Sep. 30, 2013
 Operations [Member]
 Maximum [Member]
 2013 Liquifaction Credit Facility - LIBOR Loans [Member] [Member] | Sep. 30, 2013
 Construction [Member]
 Minimum [Member]
 2013 Liquifaction Credit Facility - LIBOR Loans [Member] [Member] | Sep. 30, 2013
 Construction [Member]
 Maximum [Member]
 2013 Liquifaction Credit Facility - LIBOR Loans [Member] [Member] | |
| Line of Credit Facility [Line Items] | |||||||||||||||||||||||||
| Line of credit borrowing capacity | $ 3,600,000,000 | $ 5,900,000,000 | $ 5,900,000,000 | ||||||||||||||||||||||
| Debt Instrument, Maturity Date | Jul. 31, 2019 | ||||||||||||||||||||||||
| Line of Credit Facility, Amount Outstanding | 100,000,000 | 100,000,000 | 100,000,000 | ||||||||||||||||||||||
| Percentage of Debt Hedged by Interest Rate Derivatives | 75.00% | 75.00% | |||||||||||||||||||||||
| Debt Instrument, Fixed Charge, Coverage Ratio | 1.25 | ||||||||||||||||||||||||
| Redemption Premium | 1 | ||||||||||||||||||||||||
| Debt instrument principal amount | 1,000,000,000 | 500,000,000 | 2,000,000,000 | ||||||||||||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 5.625% | ||||||||||||||||||||||||
| Debt Instrument, Description of Variable Rate Basis | LIBOR | LIBOR | |||||||||||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 3.75% | 3.50% | 2.30% | 3.25% | 2.30% | 3.00% | |||||||||||||||||||
| Line of Credit Facility, Collateral Fees, Amount | 178,000,000 | 144,000,000 | |||||||||||||||||||||||
| Line of Credit Facility, Commitment Fee Percentage | 40.00% | 40.00% | |||||||||||||||||||||||
| Line of Credit Facility, Amortization Period | 18 years | 18 years | |||||||||||||||||||||||
| Line of Credit Facility, Increase (Decrease) for Period, Net | 1,400,000,000 | ||||||||||||||||||||||||
| Gains (Losses) on Extinguishment of Debt | $ 0 | $ 0 | $ (80,510,000) | $ (15,098,000) | |||||||||||||||||||||