v3.25.4
MATERIAL ACCOUNTING POLICIES (Details) - CAD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of reclassifications or changes in presentation [line items]    
Goodwill $ 20,032,000,000 $ 16,280,000,000
Government grants 73,000,000 134,000,000
Proceeds from government grants 55,000,000 59,000,000
Unsecured Non-Revolving Credit Facility    
Disclosure of reclassifications or changes in presentation [line items]    
Maximum borrowing capacity $ 815,000,000 $ 665,000,000