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Retirement Plans - Schedule of Changes in Accumulated Other Comprehensive Income Before Tax (Detail) - Pension Plans, Defined Benefit - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
U.S. Pension Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total retirement benefit recognized in accumulated other comprehensive income at beginning of year | $ 15 | $ 22
Net actuarial (gain) loss | (7) | (6)
Amortization or curtailment recognition of prior service credit (cost) | 0 | 0
Amortization or settlement recognition of net gain (loss) | (1) | (1)
Translation difference | 0 | 0
Total retirement benefit recognized in accumulated other comprehensive income at end of year | 7 | 15
Non-U.S. Pension Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Total retirement benefit recognized in accumulated other comprehensive income at beginning of year | 24 | 22
Net actuarial (gain) loss | 16 | 2
Amortization or curtailment recognition of prior service credit (cost) | (1) | (1)
Amortization or settlement recognition of net gain (loss) | (4) | (1)
Translation difference | (2) | 2
Total retirement benefit recognized in accumulated other comprehensive income at end of year | $ 33 | $ 24

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