v3.26.1
Loans and Allowance for Credit Losses - Summary of Loans that are Past Due but not Classified as Impaired (Details) - Financial assets past due but not impaired - CAD ($)
$ in Millions
Jul. 31, 2026
Oct. 31, 2025
Disclosure of detailed information about financial instruments [line items]    
Total loans $ 2,293 $ 2,317
Residential mortgages    
Disclosure of detailed information about financial instruments [line items]    
Total loans 854 861
Credit cards, consumer instalment and other personal    
Disclosure of detailed information about financial instruments [line items]    
Total loans 868 832
Business and government    
Disclosure of detailed information about financial instruments [line items]    
Total loans 571 624
30 to 89 days    
Disclosure of detailed information about financial instruments [line items]    
Total loans 2,119 2,131
30 to 89 days | Residential mortgages    
Disclosure of detailed information about financial instruments [line items]    
Total loans 846 854
30 to 89 days | Credit cards, consumer instalment and other personal    
Disclosure of detailed information about financial instruments [line items]    
Total loans 712 661
30 to 89 days | Business and government    
Disclosure of detailed information about financial instruments [line items]    
Total loans 561 616
90 days or more    
Disclosure of detailed information about financial instruments [line items]    
Total loans 174 186
90 days or more | Residential mortgages    
Disclosure of detailed information about financial instruments [line items]    
Total loans 8 7
90 days or more | Credit cards, consumer instalment and other personal    
Disclosure of detailed information about financial instruments [line items]    
Total loans 156 171
90 days or more | Business and government    
Disclosure of detailed information about financial instruments [line items]    
Total loans 10 8
90 days or more | Securitized Loans    
Disclosure of detailed information about financial instruments [line items]    
Total loans $ 8 $ 7