Other Non-Current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Other Assets, Noncurrent [Abstract]
Advances made under EPC and non-EPC contracts	$ 14	$ 26
Advances made to municipalities for water system enhancements	90	93
Advances and other asset conveyances to third parties to support LNG terminals	36	30
Tax-related payments and receivables	17	25
Information technology service assets	20	24
Other	7	8
Other non-current assets, net	$ 184	$ 206