v3.25.4
Income taxes - Significant Components of Income Taxes Deducted from Net Earnings (Details) - CAD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Current taxes    
Current taxes $ (1,084) $ (494)
Uncertain tax positions 22 4
Change in estimate relating to prior periods 11 8
Deferred taxes    
Deferred taxes relating to the origination and reversal of temporary differences (216) (120)
Change in estimate relating to prior periods (11) (7)
Recognition and utilization of loss carryforwards 85 29
Previously unrecognized tax benefits 0 3
Total income taxes $ (1,193) $ (577)