Revenues from Contracts with Customers - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) unit	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
LNG Volume, Purchase Price Percentage of Henry Hub	115.00%
Regasification Capacity	4
Operating and maintenance expense | $	$ 635	$ 629	$ 632
Terminal Use Agreement Regasification Capacity Partial
Disaggregation of Revenue [Line Items]
Operating and maintenance expense | $	$ 129	$ 129	$ 104
TUA Customers [Member]
Disaggregation of Revenue [Line Items]
Regasification Capacity	2
Each TUA Customer
Disaggregation of Revenue [Line Items]
Regasification Capacity	1
Revenue, Performance Obligation, Fixed Consideration | $	$ 125
Long-term Purchase Commitment, Period	20 years
LNG [Member]
Disaggregation of Revenue [Line Items]
Revenue, Variable Consideration Received From Customers, Percentage	61.00%	42.00%
LNG—affiliate [Member]
Disaggregation of Revenue [Line Items]
Revenue, Variable Consideration Received From Customers, Percentage	96.00%	100.00%
Regasification [Member]
Disaggregation of Revenue [Line Items]
Number of Fixed Price Contracts	2
Revenue, Variable Consideration Received From Customers, Percentage	5.00%	5.00%