Statement of Member's Equity - 9 months ended Sep. 30, 2017 - USD ($) $ in Millions	Total	Sabine Pass LNG-LP, LLC [Member]
Members' equity, beginning of period at Dec. 31, 2016	$ 486	$ 486
Increase (Decrease) in Partners' Capital [Roll Forward]
Capital contributions from Cheniere Partners	7	7
Distributions to Cheniere Partners	(450)	(450)
Net loss	(36)	(36)
Member's equity, end of period at Sep. 30, 2017	$ 7	$ 7