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Trade and other receivables (Details 2) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Trade And Other Receivables    
Opening balance $ 1,615 $ 1,536
Additions 90 94
Write-offs (9) (33)
Reversals (44) (48)
Translation adjustment (127) 75
Opening balance 1,525 1,624
Current 293 283
Non-current $ 1,232 $ 1,341