Accrued Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Accrued Liabilities [Line Items]
Natural gas purchases	$ 372	$ 1,017
Interest costs and related debt fees	151	218
LNG terminal and related pipeline costs	86	137
Other accrued liabilities	32	6
Accrued liabilities	688	1,458
Nonrelated Party [Member]
Accrued Liabilities [Line Items]
Accrued liabilities	$ 641	$ 1,378