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Debt - Debt (Detail) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Senior Notes	$ 1,588	$ 1,587
Other debt	138	153
Total debt	1,726	1,740
Less current portion	34	37
Long-term debt	1,692	1,703
Senior Notes, Interest at 3.95% Payable Semiannually, Principal Due on December 1, 2042 [Member]
Debt Instrument [Line Items]
Senior Notes	1,091	1,091
Senior Notes, Interest at 3.60% Payable Semiannually, Principal Due on December 1, 2029 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 497	$ 496

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