v3.25.2
Taxation - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure Of Income Taxes [Line Items]    
Deferred tax asset $ 6,454 $ 7,815
Planning horizon 10 years  
Deferred tax assets dependent on future taxable profits $ 2,027 4,202
Unrecognised taxable temporary differences associated with undistributed retained earnings of investments in subsidiaries, joint ventures and associates 5,311 5,521
Unrecognised deductible temporary differences, unused tax losses and credits carried forward 28,460 32,491
Unrecognised deductible temporary differences, unused tax losses and credits carried forward that are subject to time limits for utilisation of five years or later or are not time limited 25,489 28,199
Brazil, Malaysia and Australia    
Disclosure Of Income Taxes [Line Items]    
Deferred tax asset $ 241 $ 303