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Interim Consolidated Statement of Income (Parenthetical) - CAD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Profit or loss [abstract]        
Interest income calculated using effective interest rate method $ 7,967 $ 8,554 $ 16,569 $ 17,239