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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure Of Income Taxes [line items] |  |  |  |  |
Income tax expense | $ 2,234 | $ 1,928 | [1] | $ 2,350 | [1]
Effective tax rate | 25.20% | 18.60% |  | 28.60% |
Benefit from a reorganization which resulted in the utilization of current year and carry forward interests |  | $ 350 |  |  |
[1] | As from 1 January 2023, mark-to-market gains/(losses) on derivatives related to the hedging of the share-based payment programs are reported in the exceptional net finance income/(cost). The 2021 and 2022 presentation were amended to conform to the 2023 presentation.

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