Income Taxes - Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes [Line Items]
Unrecognized tax benefits	$ 58	$ 63	$ 53	$ 58
Accrued interest payable on potential tax liabilities	47	44
Current Income Taxes Payable
Income Taxes [Line Items]
Unrecognized tax benefits	17	17
Noncurrent Income Taxes Payable
Income Taxes [Line Items]
Unrecognized tax benefits	$ 17	$ 21