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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
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.