Leases - Maturity Profile of Lease Obligations (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Operating Leases
2023	$ 225
2024	133
2025	98
2026	83
2027	45
Remaining years	185
Total lease payments (a)	769
Less: Imputed interest	(100)
Total lease obligations	669	$ 464
Finance Leases
2023	36
2024	36
2025	36
2026	31
2027	22
Remaining years	122
Total lease payments (a)	283
Less: Imputed interest	(83)
Total lease obligations	200	$ 219
Leases [Line Items]
Lessee, Operating Lease, Liability, Payments, Due	769
Deepwater Drilling Rig, Gulf of Mexico
Operating Leases
Total lease payments (a)	153
Leases [Line Items]
Lessee, Operating Lease, Liability, Payments, Due	$ 153