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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |  |  |
Provision for income taxes | $ 397 | $ 381 | $ 776 | $ 730 |
Effective tax rate | 24.90% | 24.80% | 23.30% | 23.10% |
Provision for tax benefits related to settlement of employee awards |  |  | $ 85 | $ 67 |
Gross unrecognized tax benefits, excluding accrued interest | $ 649 |  | 649 |  | $ 639
Unrecognized tax benefits, accrued interest | 155 |  | 155 |  | 129
Unrecognized tax benefits that would impact effective tax rate | $ 309 |  | $ 309 |  | $ 278

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