Fair Value - Financial Instruments Carried at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Assets:
Derivatives	$ 16	$ 46
Total	123	117
Liabilities:
Derivatives	366	319
Total	366	319
Mutual funds
Assets:
Money market funds/mutual funds	97	71
Mutual Funds And Money Market Funds Member
Assets:
Money market funds/mutual funds	107
Level 1
Assets:
Derivatives	0	0
Total	107	71
Liabilities:
Derivatives	0	0
Total	0	0
Level 1 | Mutual funds
Assets:
Money market funds/mutual funds		71
Level 1 | Mutual Funds And Money Market Funds Member
Assets:
Money market funds/mutual funds	107
Level 2
Assets:
Derivatives	16	46
Total	16	46
Liabilities:
Derivatives	366	319
Total	366	319
Level 2 | Mutual funds
Assets:
Money market funds/mutual funds		$ 0
Level 2 | Mutual Funds And Money Market Funds Member
Assets:
Money market funds/mutual funds	$ 0