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Income Taxes - Additional Information (Detail)
$ in Millions, R in Billions
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2024
ZAR (R)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Disclosure Of Income Taxes [line items]        
Income tax expense $ 3,152   $ 2,234 $ 1,928 [1]
Effective tax rate 31.10% 31.10% 25.20% 18.60%
Exceptional tax expenses $ (205)      
Benefit from a reorganization which resulted in the utilization of current year and carry forward interests       $ 350
South Africa Tax Matters [Member]        
Disclosure Of Income Taxes [line items]        
Exceptional tax expenses $ (240) R 4.5    
[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/(expense). The 2022 presentation were amended to conform to the 2023 and 2024 presentation.