v3.25.4
FINANCIAL RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Supplier Finance Arrangements (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
CAD ($)
financialInstitution
Dec. 31, 2024
CAD ($)
Disclosure of financial liabilities that are part of supplier finance arrangements [line items]    
Number of financial institutions enrolled with supplier finance arrangement programs | financialInstitution 2  
Number of days between invoice date and payment due date for financial liabilities that are part of supplier finance arrangements 15 days  
Minimum    
Disclosure of financial liabilities that are part of supplier finance arrangements [line items]    
Number of days between invoice date and payment due date for trade payables that are not part of supplier finance arrangements 60 days  
Number of days between invoice date and payment due date for financial liabilities due to financial institutions 30 days  
Maximum    
Disclosure of financial liabilities that are part of supplier finance arrangements [line items]    
Number of days between invoice date and payment due date for trade payables that are not part of supplier finance arrangements 90 days  
Number of days between invoice date and payment due date for financial liabilities due to financial institutions 45 days  
Financial liabilities that are part of supplier finance arrangements for which suppliers have received payment    
Disclosure of financial liabilities that are part of supplier finance arrangements [line items]    
Presented within accounts payable and accrued liabilities $ 289 $ 273
for which suppliers have received payment from the finance provider $ 267 $ 264