v3.25.4
Decommissioning Liabilities (Details) - CAD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Decommissioning Liabilities [Line Items]    
Decommissioning obligations (in Dollars)   $ 12.5
Decommissioning liabilities (in Dollars) $ 342.8 $ 340.8
Discount rate 10.00% 10.50%
Inflation rate 2.00% 2.00%
Credit-adjusted discount rate, percentage 1.00%  
Decommissioning Liabilities [Member]    
Decommissioning Liabilities [Line Items]    
Decommissioning liabilities (in Dollars) $ 3.9