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Pay vs Performance Disclosure - CAD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Pay vs Performance Disclosure        
Earnings attributable to controlling interests $ 621 $ 1,362 $ 4,373 $ 3,986