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Financial Instruments - Fair Value of Other Financial Instruments (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2013
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Dec. 31, 2012
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Carrying (Reported) Amount, Fair Value Disclosure [Member] | 2016 Senior Notes [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Notes Payable, Fair Value Disclosure | $ 1,648,286 | $ 1,647,113 |
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Carrying (Reported) Amount, Fair Value Disclosure [Member] | 2020 Notes
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Notes Payable, Fair Value Disclosure | 420,000 | 420,000 |
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Carrying (Reported) Amount, Fair Value Disclosure [Member] | 2021 Sabine Pass Liquefaction Notes [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Notes Payable, Fair Value Disclosure | 1,500,000 | 0 |
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Carrying (Reported) Amount, Fair Value Disclosure [Member] | Liquefaction Credit Facility [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Lines of Credit, Fair Value Disclosure | 100,000 | 100,000 |
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Estimate of Fair Value, Fair Value Disclosure [Member] | 2016 Senior Notes [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Notes Payable, Fair Value Disclosure | 1,825,477 | 1,824,177 |
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Estimate of Fair Value, Fair Value Disclosure [Member] | 2020 Notes
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Notes Payable, Fair Value Disclosure | 444,150 | 437,850 |
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Estimate of Fair Value, Fair Value Disclosure [Member] | 2021 Sabine Pass Liquefaction Notes [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Notes Payable, Fair Value Disclosure | 1,552,500 | 0 |
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Estimate of Fair Value, Fair Value Disclosure [Member] | Liquefaction Credit Facility [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Lines of Credit, Fair Value Disclosure | $ 100,000 | $ 100,000 |