Fair Value - Financial Instruments Carried at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Assets:
Derivatives	$ 9	$ 58
Total	122	166
Liabilities:
Derivatives	540	216
Total	540	216
Money market funds/mutual funds
Assets:
Money market funds/mutual funds	113	108
Level 1
Assets:
Derivatives	0	0
Total	113	108
Liabilities:
Derivatives	0	0
Total	0	0
Level 1 | Money market funds/mutual funds
Assets:
Money market funds/mutual funds	113	108
Level 2
Assets:
Derivatives	9	58
Total	9	58
Liabilities:
Derivatives	540	216
Total	540	216
Level 2 | Money market funds/mutual funds
Assets:
Money market funds/mutual funds	$ 0	$ 0