Equity Method Investments - Schedule of Equity Investments in Affiliates (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 974	$ 1,013
Mattox
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	79.00%	79.00%
Equity method investments	$ 156	$ 163
Amberjack - Series A
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	75.00%	75.00%
Amberjack - Series B
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	50.00%	50.00%
Amberjack
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 359	$ 382
Mars
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	71.50%	71.50%
Equity method investments	$ 150	$ 152
Bengal
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	50.00%	50.00%
Equity method investments	$ 85	$ 88
Permian Basin
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	50.00%	50.00%
Equity method investments	$ 80	$ 83
LOCAP
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	41.48%	41.48%
Equity method investments	$ 15	$ 12
Explorer
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	38.59%	38.59%
Equity method investments	$ 68	$ 73
Poseidon
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	36.00%	36.00%
Equity method investments	$ 0	$ 0
Colonial
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	16.125%	16.125%
Equity method investments	$ 32	$ 29
Proteus
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	10.00%	10.00%
Equity method investments	$ 13	$ 14
Endymion
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	10.00%	10.00%
Equity method investments	$ 16	$ 17