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Income Taxes - Reconciliation of Liabilities Associated with Uncertain Tax Provisions (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |
Balance at beginning of year | $ 783 | $ 893 | $ 1,001
Additions based on tax positions related to the current year | 79 | 66 | 41
Additions for tax positions of prior years | 150 | 91 | 64
Impact of changes in exchange rates | (23) | (25) | (38)
Settlements with tax authorities | (75) | (36) | (37)
Reductions for tax positions of prior years | (104) | (176) | (94)
Reductions due to the lapse of statute of limitations | (95) | (30) | (44)
Balance at end of year | $ 715 | $ 783 | $ 893

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