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Income Taxes - Valuation Allowance Against Deferred Tax Assets (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |  |
Allowances at beginning of year |  | $ 129 | $ 46 | $ 59
Benefits reserved current year |  | 11 | 81 | 14
Benefits recognized current year | [1] | (6) | (2) | (27)
Translation difference |  | (8) | 4 | 0
Allowances at end of year |  | $ 126 | $ 129 | $ 46
[1] | Benefits reserved in 2023 include the partial reserve against deferred tax assets recognized in 2023 due to the transfer of certain assets and operations as part of the Company's restructuring activities. In January 2025 the OECD released Administrative Guidance on Article 9.1 of the Global Anti-Base Erosion Model Rules which amends the Pillar Two Framework. Jurisdictions that have adopted the Framework may implement and administer their domestic laws consistent with the Model Rules and guidance. The Guidance eliminates the tax basis in certain deferred tax assets and tax credit carryforwards for purposes of global minimum tax established under the Framework. The Company is analyzing the latest Guidance and will recognize any impact in the first quarter of 2025.

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