v3.26.1
Provisions and contingencies - Changes in provisions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Changes in Provisions    
Provisions at beginning of period $ 203 $ 281
Charge to income statement 64 135
Release to income statement (18) (30)
Unwinding of discount 4 6
Utilised (99) (187)
Exchange adjustment 2 (2)
Provisions at end of period 156 203
Restructuring and rationalisation provisions    
Changes in Provisions    
Provisions at beginning of period 59 91
Charge to income statement 49 123
Release to income statement (2)  
Utilised (86) (153)
Exchange adjustment 2 (2)
Provisions at end of period 22 59
Metal-on-metal    
Changes in Provisions    
Provisions at beginning of period 113 149
Release to income statement (9) (28)
Unwinding of discount 4 6
Utilised (11) (14)
Provisions at end of period 97 113
Legal and other provisions    
Changes in Provisions    
Provisions at beginning of period 31 41
Charge to income statement 15 12
Release to income statement (7) (2)
Utilised (2) (20)
Provisions at end of period $ 37 $ 31