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Income Taxes - Summary of Income Taxes (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Income Taxes [line items]      
Current year $ (2,828) $ (2,785) $ (2,857)
(Underprovided)/overprovided in prior years (95) 157 159
Current tax expense (2,923) (2,628) (2,698)
Origination and reversal of temporary differences 855 829 632
Recognition/(de-recognition) of deferred tax assets on tax losses (carried forward) (166) (128) (284)
Deferred tax (expense)/income 689 701 348
Total tax expense $ (2,234) $ (1,928) [1] $ (2,350) [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/(cost). The 2021 and 2022 presentation were amended to conform to the 2023 presentation.