Equity Method Investments - Summary of Balance Sheet and Income Statement Data for Equity Method Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Schedule of Equity Method Investments [Line Items]
Total revenue	$ 135	$ 139
Total operating expenses	80	75
Operating income	55	64
Net income	160	167
Mattox | Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Total revenue	22	22
Total operating expenses	3	3
Operating income	19	19
Net income	19	19
Amberjack | Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Total revenue	71	72
Total operating expenses	17	17
Operating income	54	55
Net income	54	55
Mars | Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Total revenue	61	63
Total operating expenses	19	22
Operating income	42	41
Net income	42	41
Bengal | Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Total revenue	10	13
Total operating expenses	4	7
Operating income	6	6
Net income	3	6
Explorer | Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Total revenue	81	69
Total operating expenses	44	42
Operating income	37	27
Net income	26	21
Colonial | Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Total revenue	383	290
Total operating expenses	176	133
Operating income	207	157
Net income	132	97
Poseidon | Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Total revenue	31	42
Total operating expenses	9	10
Operating income	22	32
Net income	21	31
Other | Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Total revenue	50	56
Total operating expenses	30	32
Operating income	20	24
Net income	$ 18	$ 23