v3.26.1
Financial assets and liabilities - Net investment hedges in foreign operations (Details) - Hedges of net investment in foreign operations
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Disclosure of detailed information about financial instruments [line items]      
Net investment hedge 360   360
Gain (loss) recognised in relation to this hedge. $ (11) $ 41