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Retirement Plans - Summary of Fair Value of Company's Plan Assets (Detail) - Fair Value, Inputs, Level 2 - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 62 | $ 71
Total | 258 | 274
Government | Corporate |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 21 | 24
Non-U.S. Bonds | Corporate |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 20 | 21
Insurance Contracts |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 15 | 17
Common Collective Trusts |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Investments measured at net asset value | 195 | 203
Other Investment |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 6 | $ 10

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