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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Income Tax Disclosure [Abstract] |  |  |
Provision for income taxes | $ 502 | $ 445 |
Effective tax rate | 23.80% | 21.80% |
Provision for tax benefits related to settlement of employee awards | $ 24 | $ 69 |
Gross unrecognized tax benefits, excluding accrued interest | 512 |  | $ 504
Unrecognized tax benefits, accrued interest | 126 |  | 115
Unrecognized tax benefits that would impact effective tax rate | $ 308 |  | $ 295

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