Commitments and Contingencies - Purchase Obligations Table (Details) - SPL, CCL, and CCL Stage III [Member] - Natural Gas Supply, Transportation And Storage Service Agreements [Member] $ in Millions	Dec. 31, 2019 USD ($)	[1]
Long-term Purchase Commitment [Line Items]
2020	$ 3,503
2021	2,382
2022	1,561
2023	1,231
2024	804
Thereafter	3,987
Total	$ 13,468

[1] Pricing of natural gas supply contracts are variable based on market commodity basis prices adjusted for basis spread. Amounts included are based on estimated forward prices and basis spreads as of December 31, 2019. Some of our contracts may not have been negotiated as part of arranging financing for the underlying assets providing the natural gas supply, transportation and storage services.