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Trade and other receivables (Details 2) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Trade And Other Receivables    
Opening balance $ 1,641 $ 1,615
Additions 93 90
Reversals (56) (44)
Write-offs (5) (9)
Translation adjustment 137 (127)
Closing balance 1,810 1,525
Current 376 293
Non-current $ 1,434 $ 1,232