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Income Taxes - Summary of Income Taxes (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure Of Income Taxes [line items]      
Current year $ (3,252) $ (2,828) $ (2,785)
(Underprovided)/overprovided in prior years (211) (95) 157
Current tax expense (3,463) (2,923) (2,628)
Origination and reversal of temporary differences 482 855 829
Recognition/(de-recognition) of deferred tax assets on tax losses (carried forward) (171) (166) (128)
Deferred tax (expense)/income 311 689 701
Total tax expense $ (3,152) $ (2,234) $ (1,928) [1]
[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.