v3.26.3
DEBT AND CAPITAL STRUCTURE - Schedule of Net Debt to Adjusted EBITDA (Details) - CAD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Disclosure of objectives, policies and processes for managing capital [line items]            
Current Portion of Long-Term Debt $ 0   $ 0      
Long-Term Portion of Long-Term Debt 8,547   11,032      
Less: Cash and Cash Equivalents (5,548) $ (3,170) (2,740) $ (1,901) $ (2,563) $ (3,093)
Net Debt 2,999   8,292      
Rolling Twelve Month Basis            
Disclosure of objectives, policies and processes for managing capital [line items]            
Current Portion of Long-Term Debt 0   0      
Long-Term Portion of Long-Term Debt 8,547   11,032      
Total Debt 8,547   11,032      
Less: Cash and Cash Equivalents (5,548)   (2,740)      
Net Debt $ 2,999   $ 8,292