v3.25.4
Operating loans and long-term debt - Narrative (Details)
£ in Millions, $ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2025
GBP (£)
Dec. 31, 2025
CAD ($)
May 31, 2025
USD ($)
Jan. 31, 2024
Disclosure of detailed information about borrowings [line items]            
Borrowings $ 371 $ 265        
Loss on interest rate swap contracts $ (2) (4)        
Non-current derivative financial assets   2        
Interest rate swap contract            
Disclosure of detailed information about borrowings [line items]            
Derivative Financial Assets And Liabilities, Weighted Average Fixed Interest Rate 3.27%   3.27% 3.27%   2.61%
Uncommitted Revolving Credit Facility | Europe            
Disclosure of detailed information about borrowings [line items]            
Borrowing facilities, maximum borrowing capacity $ 20          
Demand Line of Credit            
Disclosure of detailed information about borrowings [line items]            
Borrowing facilities, maximum borrowing capacity 11     $ 15    
Revolving credit facility which matures July 2026 | Deferred Financing Costs Netting            
Disclosure of detailed information about borrowings [line items]            
Borrowings 2 2        
Credit Facilities Dedicated to Letters of Credit            
Disclosure of detailed information about borrowings [line items]            
Borrowings 130 130        
Borrowings, Letters Of Credit 38 $ 36        
Revolving Credit Facility Which Matures May 2030            
Disclosure of detailed information about borrowings [line items]            
Borrowing facilities, maximum borrowing capacity 1,000       $ 1,000  
Revolving Credit Facility Which Matures May 2030 | Europe            
Disclosure of detailed information about borrowings [line items]            
Borrowing facilities, maximum borrowing capacity | £     £ 15      
Revolving Credit Facility Which Matures July 2025            
Disclosure of detailed information about borrowings [line items]            
Borrowing facilities, maximum borrowing capacity         200  
Revolving Credit Facility Which Matures May 2028            
Disclosure of detailed information about borrowings [line items]            
Borrowing facilities, maximum borrowing capacity         $ 300  
Revolving Credit Facility Which Matures May 2028 | Interest rate swap contract            
Disclosure of detailed information about borrowings [line items]            
Notional amount $ 75