| 
           Financial Instruments - Interest Rate Derivatives Market Adjustments (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        3 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 
           Mar. 31, 2013 
         | 
        
           Mar. 31, 2012 
         | 
        
           Mar. 31, 2013
 
          Interest Rate Contract [Member] 
         | 
        
           Mar. 31, 2012
 
          Interest Rate Contract [Member] 
         | 
        
           Mar. 31, 2013
 
          Designated as Hedging Instrument [Member]
 
          Interest Rate Contract [Member] 
         | 
        
           Mar. 31, 2012
 
          Designated as Hedging Instrument [Member]
 
          Interest Rate Contract [Member] 
         | 
        
           Mar. 31, 2013
 
          Not Designated as Hedging Instrument [Member]
 
          Interest Rate Contract [Member] 
         | 
        
           Mar. 31, 2012
 
          Not Designated as Hedging Instrument [Member]
 
          Interest Rate Contract [Member] 
         | 
        
           Mar. 31, 2013
 
          Interest Rate Contract [Member]
 
          Not Designated as Hedging Instrument [Member] 
         | 
        
           Mar. 31, 2012
 
          Interest Rate Contract [Member]
 
          Not Designated as Hedging Instrument [Member] 
         | 
        
           Apr. 10, 2013
 
          Senior Secured Notes Due 2021 and 2023 [Member]
 
          Sabine Pass Liquefaction [Member] 
         | 
      |
| Derivative Instruments, Gain (Loss) [Line Items] | |||||||||||
| Debt instrument principal amount | $ 1,500,000 | ||||||||||
| Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | 17,983 | 0 | |||||||||
| Derivative gain (loss) in Other Comprehensive Income | 21,297 | 0 | 0 | 0 | |||||||
| Derivative gain (loss) reclassified from Accumulated OCI into Interest Expense (Effective Portion) | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| Derivative gain (loss) recognized in income (ineffective portion and amount excluded from Effectiveness Testing) | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax | $ (30) | $ 0 | $ (30) | $ 0 | |||||||
| X | ||||||||||
| 
             
- Definition 
          The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Details 
          
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| X | ||||||||||
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- Definition 
          The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
| 
             
- Definition 
          The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
| 
             
- Definition 
          The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
| 
             
- Definition 
          Net gain (loss) from the increase (decrease) in fair value of derivative instrument not designated as hedging instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Net of tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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