v3.26.1
Cash flow statement - Reconciliation of net cash flow to movement in net debt (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Cash Flow Statement [line items]      
Net cash flow from cash net of overdrafts $ (76) $ 332 $ (40)
Settlement of currency swaps (1)   (4)
Net cash flow from borrowings 86 (295) (175)
Change in net debt from net cash flow 9 37 (219)
IFRS 16 lease liabilities (20) 3 (3)
Other non cash movements (36) 18 (20)
Corporate bond issuance expense (3) 9 1
Change in net debt in the year (50) 67 (241)
Balance at beginning of year (2,709) (2,776) (2,535)
Balance at end of year (2,759) $ (2,709) $ (2,776)
Gain on repurchase of bonds 10    
2030 USD corporate bond      
Disclosure Of Cash Flow Statement [line items]      
Gains on early repayments of borrowings $ 10