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Pay vs Performance Disclosure - CAD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Pay vs Performance Disclosure        
Net Income (Loss) $ 2,279 $ 1,943 $ 4,643 $ 3,455