v3.26.1
Inventories (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule Of Inventory Disclosure [Line Items]      
Period of time on the market when inventory adjustment formula is first applied 2 years    
Raw materials and consumables $ 412 $ 469  
Work-in-progress 54 45  
Finished goods and goods for resale 1,651 1,873  
Total inventories 2,117 2,387  
Expense from incremental excess and obsolescence, inventories 159 0 $ 0
Write-down of inventory due to disposal of certain products and voluntary product discontinuation 0 17  
Cost of inventories recognised as an expense and included in cost of goods sold 1,625 1,583 1,459
Inventory write-offs and provision increases 231 120 106
Impairment      
Schedule Of Inventory Disclosure [Line Items]      
Total inventories (644) (511)  
Increase in inventories from changes in foreign exchange rates (15)    
Excess and obsolete inventory      
Schedule Of Inventory Disclosure [Line Items]      
Expense from incremental excess and obsolescence, inventories 159 0 $ 0
Increase in existing provisions from inventory portfolio rationalisation programme $ 159 $ 0