v3.25.4
Financial and capital management - Details on Trade Receivables Not Impaired (Details) - Loan secured by trade receivables - CAD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of internal credit grades [line items]    
Financial assets $ 3,949 $ 4,185
Trade receivables not past due    
Disclosure of internal credit grades [line items]    
Financial assets 3,321 3,346
Trade receivables past due | Under 60 days    
Disclosure of internal credit grades [line items]    
Financial assets 383 484
Trade receivables past due | 60 to 120 days    
Disclosure of internal credit grades [line items]    
Financial assets 171 240
Trade receivables past due | Over 120 days    
Disclosure of internal credit grades [line items]    
Financial assets $ 74 $ 115