Restricted Cash - SPLNG Senior Notes Debt Service Reserve (Details)	6 Months Ended
Jun. 30, 2015 USD ($) Rate	Dec. 31, 2014 USD ($)
Restricted Cash Items [Line Items]
Current restricted cash	$ 684,073,000	$ 481,737,000
Non-current restricted cash	$ 739,145,000	550,811,000
2016 SPLNG Senior Notes [Member]
Restricted Cash Items [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.50%
2020 SPLNG Senior Notes [Member]
Restricted Cash Items [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Sabine Pass LNG, LP [Member] \| Sabine Pass LNG Senior Notes [Member]
Restricted Cash Items [Line Items]
Debt Instrument, Fixed Charge, Coverage Ratio \| Rate	2
Sabine Pass LNG, LP [Member] \| 2016 SPLNG Senior Notes [Member]
Restricted Cash Items [Line Items]
Debt Instrument, Face Amount	$ 1,665,500,000
Debt Instrument, Interest Rate, Stated Percentage	7.50%
Sabine Pass LNG, LP [Member] \| 2020 SPLNG Senior Notes [Member]
Restricted Cash Items [Line Items]
Debt Instrument, Face Amount	$ 420,000,000
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Sabine Pass LNG, LP [Member] \| Senior Notes Interest Payments [Member]
Restricted Cash Items [Line Items]
Current restricted cash	$ 15,000,000	15,000,000
Sabine Pass LNG, LP [Member] \| Debt Service Reserve Fund [Member]
Restricted Cash Items [Line Items]
Non-current restricted cash	$ 76,100,000	$ 76,100,000

Debt Instrument, Fixed Charge, Coverage Ratio

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Paragraph 1

-Subparagraph (SX 210.5-02.1)

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-Paragraph 1

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