Derivative Instruments - Fair Value of Derivative Instruments by Balance Sheet Location (Details) - USD ($) $ in Millions		Sep. 30, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Non-current derivative assets		$ 26	$ 67
Derivative liabilities		(4)	(11)
Non-current derivative liabilities		(2)	(2)
Interest Rate Derivatives [Member] | Derivative liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities		0	(4)
Interest Rate Derivatives [Member] | Non-current derivative liabilities [Member]
Derivatives, Fair Value [Line Items]
Non-current derivative liabilities		0	(2)
Liquefaction Supply Derivatives [Member]
Derivatives, Fair Value [Line Items]
Derivative, Collateral, Right to Reclaim Cash		2	6
Liquefaction Supply Derivatives [Member] | Other current assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	[1]	8	13
Liquefaction Supply Derivatives [Member] | Non-current derivative assets [Member]
Derivatives, Fair Value [Line Items]
Non-current derivative assets	[1]	26	67
Liquefaction Supply Derivatives [Member] | Derivative liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	[1]	(4)	(7)
Liquefaction Supply Derivatives [Member] | Non-current derivative liabilities [Member]
Derivatives, Fair Value [Line Items]
Non-current derivative liabilities	[1]	$ (2)	$ 0

[1] Does not include collateral of $2 million and $6 million deposited for such contracts, which are included in other current assets in our Balance Sheets as of September 30, 2017 and December 31, 2016, respectively.