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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Income Tax Disclosure [Abstract] |  |  |  |  |
Provision for income taxes | $ 550 | $ 397 | $ 995 | $ 776 |
Effective tax rate | 27.40% | 24.90% | 24.60% | 23.30% |
Provision for tax benefits related to settlement of employee awards |  |  | $ 79 | $ 85 |
Gross unrecognized tax benefits, excluding accrued interest and penalties | $ 711 |  | 711 |  | $ 639
Unrecognized tax benefits, accrued interest and penalties | 243 |  | 243 |  | 177
Unrecognized tax benefits that would impact effective tax rate | $ 443 |  | $ 443 |  | $ 320

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