Fair Value - Financial Instruments Carried at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Assets:
Derivatives	$ 16	$ 46
Total	99	117
Liabilities:
Derivatives	308	319
Total	308	319
Mutual Funds
Assets:
Mutual funds	83	71
Level 1
Assets:
Derivatives	0	0
Total	83	71
Liabilities:
Derivatives	0	0
Total	0	0
Level 1 | Mutual Funds
Assets:
Mutual funds	83	71
Level 2
Assets:
Derivatives	16	46
Total	16	46
Liabilities:
Derivatives	308	319
Total	308	319
Level 2 | Mutual Funds
Assets:
Mutual funds	$ 0	$ 0