v3.25.4
Timber licenses (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Impairment $ (3)  
Disposals (3)  
Timber Licenses    
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Intangible assets other than goodwill at beginning of period 358 $ 376
Amortization (17) (17)
Foreign exchange   1
Intangible assets other than goodwill at end of period 335 358
Timber Licenses | Gross carrying amount    
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Intangible assets other than goodwill at beginning of period 672  
Intangible assets other than goodwill at end of period 663 672
Timber Licenses | Accumulated depreciation and amortisation    
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Intangible assets other than goodwill at beginning of period (314)  
Intangible assets other than goodwill at end of period $ (328) $ (314)