v3.26.1
Working capital - Trade and other receivables (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Jun. 30, 2025
Disclosure of trade and other receivables [line items]    
Trade receivables $ 2,596 $ 2,789
Current assets    
Disclosure of trade and other receivables [line items]    
Trade receivables 2,596 2,789
Interest receivable 19 19
VAT recoverable and other prepaid taxes 217 242
Other receivables 258 283
Prepayments 160 133
Accrued income 27 38
Trade and other receivables 3,277 3,504
Non-current assets    
Disclosure of trade and other receivables [line items]    
Trade receivables 0 0
Interest receivable 0 0
VAT recoverable and other prepaid taxes 26 17
Other receivables 38 18
Prepayments 0 3
Accrued income 0 0
Trade and other receivables $ 64 $ 38