v3.24.1.1.u2
Loans, Impaired Loans, and Allowance for Credit Losses (Summary of Gross Carrying Amounts of Loans, Acceptance and Credit Risk Exposures on Loan Commitments and Financial Guarantee Contracts by Internal Risk Ratings) (Details) - CAD ($)
$ in Millions
Apr. 30, 2024
Jan. 31, 2024
Oct. 31, 2023
Apr. 30, 2023
Jan. 31, 2023
Oct. 31, 2022
Disclosure of detailed information about financial instruments [line items]            
Total loans $ 940,058   $ 921,073      
Allowance for loan losses 7,545   7,136 $ 6,644    
Trading loans at fair value 19,000   17,000      
Non-trading loans at fair value 3,000   3,000      
Loan and acceptances, net of allowance 932,513   913,937      
Total loans 75,246   69,865      
Total allowance for loan losses 7,545   7,136      
Financial assets at fair value through other comprehensive income, category [member]            
Disclosure of detailed information about financial instruments [line items]            
Total allowance for loan losses        
Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 848,147   839,961      
Allowance for loan losses 2,479   2,673 2,551    
Loan and acceptances, net of allowance 845,668   837,288      
Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 88,016   77,722      
Allowance for loan losses 3,915   3,435 3,234    
Loan and acceptances, net of allowance 84,101   74,287      
Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 3,895   3,390      
Allowance for loan losses 1,151   1,028 859    
Loan and acceptances, net of allowance 2,744   2,362      
Default [member] | Stage 3, Acquired Credit-Impaired Loans [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans   91      
Allowance for loan losses   6      
Residential mortgages [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 326,032   320,341      
Allowance for loan losses 403 $ 410 403 334 $ 330 $ 323
Loan and acceptances, net of allowance 325,629   319,938      
Residential mortgages [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 297,565   296,139      
Allowance for loan losses 129 137 154 116 129 127
Loan and acceptances, net of allowance 297,436   295,985      
Residential mortgages [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 27,784   23,524      
Allowance for loan losses 214 212 192 169 150 140
Loan and acceptances, net of allowance 27,570   23,332      
Residential mortgages [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 683   678      
Allowance for loan losses 60 $ 61 57 49 $ 51 $ 56
Loan and acceptances, net of allowance 623   621      
Residential mortgages [member] | Low risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 228,792   225,642      
Residential mortgages [member] | Low risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 228,023   225,596      
Residential mortgages [member] | Low risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 769   46      
Residential mortgages [member] | Normal risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 82,629   81,747      
Residential mortgages [member] | Normal risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 69,156   70,423      
Residential mortgages [member] | Normal risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 13,473   11,324      
Residential mortgages [member] | Medium risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 10,828   9,691      
Residential mortgages [member] | Medium risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 382   110      
Residential mortgages [member] | Medium risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 10,446   9,581      
Residential mortgages [member] | High risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 3,408   2,908      
Residential mortgages [member] | High risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 4   10      
Residential mortgages [member] | High risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 3,096   2,573      
Residential mortgages [member] | High risk [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 308   325      
Residential mortgages [member] | Default [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 375   353      
Residential mortgages [member] | Default [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 375   353      
Consumer instalment and other personal [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 221,197   217,554      
Allowance for loan losses 1,987   1,809 1,678    
Loan and acceptances, net of allowance 219,210   215,745      
Consumer instalment and other personal [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 191,114   189,542      
Allowance for loan losses 658   653 638    
Loan and acceptances, net of allowance 190,456   188,889      
Consumer instalment and other personal [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 29,194   27,204      
Allowance for loan losses 1,091   959 870    
Loan and acceptances, net of allowance 28,103   26,245      
Consumer instalment and other personal [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 889   808      
Allowance for loan losses 238   197 170    
Loan and acceptances, net of allowance 651   611      
Consumer instalment and other personal [member] | Low risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 101,019   102,380      
Consumer instalment and other personal [member] | Low risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 98,382   100,102      
Consumer instalment and other personal [member] | Low risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,637   2,278      
Consumer instalment and other personal [member] | Normal risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 74,490   74,023      
Consumer instalment and other personal [member] | Normal risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 61,842   60,613      
Consumer instalment and other personal [member] | Normal risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 12,648   13,410      
Consumer instalment and other personal [member] | Medium risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 32,659   30,521      
Consumer instalment and other personal [member] | Medium risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 26,283   24,705      
Consumer instalment and other personal [member] | Medium risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 6,376   5,816      
Consumer instalment and other personal [member] | High risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 12,505   10,145      
Consumer instalment and other personal [member] | High risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 4,607   4,122      
Consumer instalment and other personal [member] | High risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 7,533   5,700      
Consumer instalment and other personal [member] | High risk [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 365   323      
Consumer instalment and other personal [member] | Default [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 524   485      
Consumer instalment and other personal [member] | Default [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 524   485      
Credit Card 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 39,421   38,660      
Allowance for loan losses 2,030   1,934 1,841    
Loan and acceptances, net of allowance 37,391   36,726      
Credit Card 1 [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 32,949   32,548      
Allowance for loan losses 667   709 686    
Loan and acceptances, net of allowance 32,282   31,839      
Credit Card 1 [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 5,929   5,598      
Allowance for loan losses 979   913 874    
Loan and acceptances, net of allowance 4,950   4,685      
Credit Card 1 [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 543   514      
Allowance for loan losses 384   312 $ 281    
Loan and acceptances, net of allowance 159   202      
Credit Card 1 [member] | Low risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 6,336   6,511      
Credit Card 1 [member] | Low risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 6,320   6,499      
Credit Card 1 [member] | Low risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 16   12      
Credit Card 1 [member] | Normal risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 11,308   11,305      
Credit Card 1 [member] | Normal risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 11,126   11,171      
Credit Card 1 [member] | Normal risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 182   134      
Credit Card 1 [member] | Medium risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 13,862   13,474      
Credit Card 1 [member] | Medium risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 12,736   12,311      
Credit Card 1 [member] | Medium risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 1,126   1,163      
Credit Card 1 [member] | High risk [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 7,799   7,257      
Credit Card 1 [member] | High risk [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,767   2,567      
Credit Card 1 [member] | High risk [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 4,605   4,289      
Credit Card 1 [member] | High risk [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 427   401      
Credit Card 1 [member] | Default [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 116   113      
Credit Card 1 [member] | Default [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 116   113      
Business and government [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 353,408   344,518      
Allowance for loan losses 3,125   2,990      
Loan and acceptances, net of allowance 350,283   341,528      
Business and government [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 326,519   321,732      
Allowance for loan losses 1,025   1,157      
Loan and acceptances, net of allowance 325,494   320,575      
Business and government [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 25,109   21,396      
Allowance for loan losses 1,631   1,371      
Loan and acceptances, net of allowance 23,478   20,025      
Business and government [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 1,780   1,390      
Allowance for loan losses 469   462      
Loan and acceptances, net of allowance 1,311   928      
Business and government [member] | Default [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 1,711   1,315      
Business and government [member] | Default [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 1,711   1,315      
Business and government [member] | Investment Grade Or Low Normal Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 163,291   159,578      
Business and government [member] | Investment Grade Or Low Normal Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 163,179   159,477      
Business and government [member] | Investment Grade Or Low Normal Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 112   101      
Business and government [member] | Non Investment Grade Or Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 173,327   171,929      
Business and government [member] | Non Investment Grade Or Medium Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 162,642   161,651      
Business and government [member] | Non Investment Grade Or Medium Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 10,685   10,278      
Business and government [member] | Watch And Classified Or High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 15,079   11,696      
Business and government [member] | Watch And Classified Or High Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 698   604      
Business and government [member] | Watch And Classified Or High Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 14,312   11,017      
Business and government [member] | Watch And Classified Or High Risk [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 69   75      
Business and government [member] | Non Investment Grade Or Lower Risk [Member] | Canadian Government Insured [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 6,000   7,000      
Business and government [member] | Non Investment Grade Or Lower Risk [Member] | Guaranteed by government agencies [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 25,000   26,000      
Business And Government And Residential Mortgage [Member] | With No Allowance For Loan Losses [Member] | Impaired Loans [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 192   271      
Business And Government And Residential Mortgage [Member] | Insured [Member] | Mortgages [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 73,000   74,000      
Off-balance sheet credit risks [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 758,837   742,146      
Allowance for off-balance sheet credit instruments 1,002   1,049      
Total off-balance sheet credit instruments, net of allowance 757,835   741,097      
Off-balance sheet credit risks [member] | Retail Exposures [Member] | Personal Lines Of Credit And Credit Card Lines Cancellable And Banks Discretion [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 373,000   369,000      
Off-balance sheet credit risks [member] | Non Retail Exposures [Member] | Undrawn Component Of Uncommitted Credit And Liquidity Commitments [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 64,000   62,000      
Off-balance sheet credit risks [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 743,561   729,003      
Allowance for off-balance sheet credit instruments 423   476      
Total off-balance sheet credit instruments, net of allowance 743,138   728,527      
Off-balance sheet credit risks [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 15,072   13,036      
Allowance for off-balance sheet credit instruments 568   565      
Total off-balance sheet credit instruments, net of allowance 14,504   12,471      
Off-balance sheet credit risks [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 204   107      
Allowance for off-balance sheet credit instruments 11   8      
Total off-balance sheet credit instruments, net of allowance 193   99      
Off-balance sheet credit risks [member] | Low risk [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 258,245   255,324      
Off-balance sheet credit risks [member] | Low risk [member] | Stage 1 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 256,848   254,231      
Off-balance sheet credit risks [member] | Low risk [member] | Stage 2 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 1,397   1,093      
Off-balance sheet credit risks [member] | Normal risk [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 93,480   92,586      
Off-balance sheet credit risks [member] | Normal risk [member] | Stage 1 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 92,179   91,474      
Off-balance sheet credit risks [member] | Normal risk [member] | Stage 2 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 1,301   1,112      
Off-balance sheet credit risks [member] | Medium risk [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 21,101   20,853      
Off-balance sheet credit risks [member] | Medium risk [member] | Stage 1 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 19,866   19,774      
Off-balance sheet credit risks [member] | Medium risk [member] | Stage 2 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 1,235   1,079      
Off-balance sheet credit risks [member] | High risk [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 2,507   2,407      
Off-balance sheet credit risks [member] | High risk [member] | Stage 1 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 1,229   1,209      
Off-balance sheet credit risks [member] | High risk [member] | Stage 2 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 1,278   1,198      
Off-balance sheet credit risks [member] | High risk [member] | Stage 3 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 0   0      
Off-balance sheet credit risks [member] | Default [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 0   0      
Off-balance sheet credit risks [member] | Default [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 204   107      
Off-balance sheet credit risks [member] | Default [member] | Stage 3 [member] | Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 0   0      
Off-balance sheet credit risks [member] | Default [member] | Stage 3 [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 204   107      
Off-balance sheet credit risks [member] | Investment grade [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 275,384   264,029      
Off-balance sheet credit risks [member] | Investment grade [member] | Stage 1 [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 275,384   264,029      
Off-balance sheet credit risks [member] | Investment grade [member] | Stage 2 [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 0   0      
Off-balance sheet credit risks [member] | Non investment grade [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 103,078   102,464      
Off-balance sheet credit risks [member] | Non investment grade [member] | Stage 1 [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 97,750   98,068      
Off-balance sheet credit risks [member] | Non investment grade [member] | Stage 2 [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 5,328   4,396      
Off-balance sheet credit risks [member] | Watch and classified [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 4,838   4,376      
Off-balance sheet credit risks [member] | Watch and classified [member] | Stage 1 [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 305   218      
Off-balance sheet credit risks [member] | Watch and classified [member] | Stage 2 [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 4,533   4,158      
Off-balance sheet credit risks [member] | Watch and classified [member] | Stage 3 [member] | Non Retail Exposures [Member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments $ 0   $ 0