v3.25.2
Finance costs and unwinding of obligations (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Disclosure of finance costs and unwinding of obligations [Abstract]      
Finance costs - borrowings $ 60 $ 65  
Finance costs - leases 8 6 $ 12
Unwinding of obligations 17 13  
Finance costs and unwinding of obligations $ 85 $ 84