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IFRS 7 Disclosure (Summary of Deposit Funding) (Details) - CAD ($)
$ in Millions
Oct. 31, 2025
Oct. 31, 2024
Disclosure Of Deposits [Line Items]    
Funds from Deposits $ 966,715 $ 952,089
Personal [member]    
Disclosure Of Deposits [Line Items]    
Funds from Deposits 650,396 641,667
Non-Personal [Member]    
Disclosure Of Deposits [Line Items]    
Funds from Deposits $ 316,319 $ 310,422