v3.25.4
Income Taxes - Schedule of Taxable Income (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
CAD ($)
Schedule of Taxable Income [Line Items]  
Total federal income tax pools, Amount $ 1,749,051
Adjustment for differences in provincial income tax pools (136,716) [1]
Combined federal and provincial income tax pools 1,612,335
Undepreciated capital cost [Member]  
Schedule of Taxable Income [Line Items]  
Total federal income tax pools, Amount $ 193,587
Undepreciated capital cost [Member] | Bottom of range [member]  
Schedule of Taxable Income [Line Items]  
Rate of Utilization, Percentage 7.00%
Undepreciated capital cost [Member] | Top of range [member]  
Schedule of Taxable Income [Line Items]  
Rate of Utilization, Percentage 55.00%
Canadian oil and gas property expenditures [Member]  
Schedule of Taxable Income [Line Items]  
Rate of Utilization, Percentage 10.00%
Total federal income tax pools, Amount $ 54,373
Canadian development expenditures [Member]  
Schedule of Taxable Income [Line Items]  
Rate of Utilization, Percentage 30.00%
Total federal income tax pools, Amount $ 90,251
Non-capital and other losses carried forward [Member]  
Schedule of Taxable Income [Line Items]  
Rate of Utilization, Percentage 100.00% [2]
Total federal income tax pools, Amount $ 1,378,333 [2]
Other [Member]  
Schedule of Taxable Income [Line Items]  
Total federal income tax pools, Amount $ 32,507
[1] Provincial non-capital losses carried forward are approximately $397.4 million less than federal non-capital losses.
[2] Other losses include restricted interest and finance expenses that are fully deductible against eligible income.