v3.26.1
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
Jul. 31, 2026
Apr. 30, 2026
Oct. 31, 2025
Jul. 31, 2025
Apr. 30, 2025
Oct. 31, 2024
Disclosure of detailed information about financial instruments [line items]            
Total loans $ 999,918   $ 961,989      
Total allowance for loan losses 8,508   8,689 $ 8,682    
Total loans, net of allowance 991,410   953,300      
Non-trading loans at fair value 1,000   300      
Trading loans at fair value 32,000   30,000      
Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 902,578   862,929      
Total allowance for loan losses 2,862   2,739 2,732    
Total loans, net of allowance 899,716   860,190      
Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 92,197   93,640      
Total allowance for loan losses 4,203   4,362 4,288    
Total loans, net of allowance 87,994   89,278      
Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 5,143   5,420      
Total allowance for loan losses 1,443   1,588 1,662    
Total loans, net of allowance 3,700   3,832      
Residential mortgages [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 292,598   315,063      
Total allowance for loan losses 430 $ 420 357 345 $ 348 $ 365
Total loans, net of allowance 292,168   314,706      
Residential mortgages [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 265,471   291,739      
Total allowance for loan losses 99 101 102 101 106 116
Total loans, net of allowance 265,372   291,637      
Residential mortgages [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 26,031   22,346      
Total allowance for loan losses 226 223 175 171 174 189
Total loans, net of allowance 25,805   22,171      
Residential mortgages [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 1,096   978      
Total allowance for loan losses 105 $ 96 80 73 $ 68 $ 60
Total loans, net of allowance 991   898      
Residential mortgages [member] | Low Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 201,242   221,933      
Residential mortgages [member] | Low Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 200,441   221,168      
Residential mortgages [member] | Low Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 801   765      
Residential mortgages [member] | Normal Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 75,952   78,608      
Residential mortgages [member] | Normal Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 64,615   70,217      
Residential mortgages [member] | Normal Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 11,337   8,391      
Residential mortgages [member] | Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 10,358   9,841      
Residential mortgages [member] | Medium Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 408   351      
Residential mortgages [member] | Medium Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 9,950   9,490      
Residential mortgages [member] | High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 4,319   4,094      
Residential mortgages [member] | High Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 7   3      
Residential mortgages [member] | High Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 3,943   3,700      
Residential mortgages [member] | High Risk [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 369   391      
Residential mortgages [member] | Default [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 727   587      
Residential mortgages [member] | Default [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 727   587      
Consumer instalment and other personal [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 291,421   259,033      
Total allowance for loan losses 2,134   2,193 2,132    
Total loans, net of allowance 289,287   256,840      
Consumer instalment and other personal [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 256,177   221,558      
Total allowance for loan losses 746   699 683    
Total loans, net of allowance 255,431   220,859      
Consumer instalment and other personal [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 34,092   36,401      
Total allowance for loan losses 1,126   1,220 1,187    
Total loans, net of allowance 32,966   35,181      
Consumer instalment and other personal [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 1,152   1,074      
Total allowance for loan losses 262   274 262    
Total loans, net of allowance 890   800      
Consumer instalment and other personal [member] | Low Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 136,832   113,101      
Consumer instalment and other personal [member] | Low Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 134,218   110,513      
Consumer instalment and other personal [member] | Low Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,614   2,588      
Consumer instalment and other personal [member] | Normal Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 106,532   95,693      
Consumer instalment and other personal [member] | Normal Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 90,003   75,881      
Consumer instalment and other personal [member] | Normal Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 16,529   19,812      
Consumer instalment and other personal [member] | Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 34,367   36,549      
Consumer instalment and other personal [member] | Medium Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 26,845   29,757      
Consumer instalment and other personal [member] | Medium Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 7,522   6,792      
Consumer instalment and other personal [member] | High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 13,036   13,064      
Consumer instalment and other personal [member] | High Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 5,111   5,407      
Consumer instalment and other personal [member] | High Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 7,427   7,209      
Consumer instalment and other personal [member] | High Risk [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 498   448      
Consumer instalment and other personal [member] | Default [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 654   626      
Consumer instalment and other personal [member] | Default [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 654   626      
Credit card [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 42,104   41,662      
Total allowance for loan losses 2,315   2,292 2,232    
Total loans, net of allowance 39,789   39,370      
Credit card [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 35,766   35,740      
Total allowance for loan losses 753   743 728    
Total loans, net of allowance 35,013   34,997      
Credit card [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 5,798   5,354      
Total allowance for loan losses 1,124   1,089 1,061    
Total loans, net of allowance 4,674   4,265      
Credit card [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 540   568      
Total allowance for loan losses 438   460 $ 443    
Total loans, net of allowance 102   108      
Credit card [member] | Low Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 7,253   8,015      
Credit card [member] | Low Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 7,249   8,011      
Credit card [member] | Low Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 4   4      
Credit card [member] | Normal Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 12,325   12,341      
Credit card [member] | Normal Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 12,218   12,222      
Credit card [member] | Normal Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 107   119      
Credit card [member] | Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 14,354   13,682      
Credit card [member] | Medium Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 13,434   12,780      
Credit card [member] | Medium Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 920   902      
Credit card [member] | High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 8,003   7,475      
Credit card [member] | High Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,865   2,727      
Credit card [member] | High Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 4,767   4,329      
Credit card [member] | High Risk [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 371   419      
Credit card [member] | Default [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 169   149      
Credit card [member] | Default [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 169   149      
Business and government [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 373,795   346,231      
Total allowance for loan losses 3,629   3,847      
Total loans, net of allowance 370,166   342,384      
Business and government [member] | Canadian government insured [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 5,000   5,000      
Business and government [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 345,164   313,892      
Total allowance for loan losses 1,264   1,195      
Total loans, net of allowance 343,900   312,697      
Business and government [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 26,276   29,539      
Total allowance for loan losses 1,727   1,878      
Total loans, net of allowance 24,549   27,661      
Business and government [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,355   2,800      
Total allowance for loan losses 638   774      
Total loans, net of allowance 1,717   2,026      
Business and government [member] | Default [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,244   2,723      
Business and government [member] | Default [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,244   2,723      
Business and government [member] | Investment Grade Or Low Normal Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 151,873   139,670      
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 151,636   139,518      
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 237   152      
Business and government [member] | Non Investment Grade Or Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 204,338   187,125      
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 192,125   173,836      
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 12,213   13,289      
Business and government [member] | Watch And Classified Or High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 15,340   16,713      
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 1,403   538      
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 13,826   16,098      
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 111   77      
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   24,000      
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 199   273      
Business and government and residential mortgage [member] | Insured [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 66,000   69,000      
Off-balance sheet credit risks [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 881,856   838,302      
Allowance for off-balance sheet credit instruments 1,046   1,052      
Total off-balance sheet credit instruments, net of allowance 880,810   837,250      
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 406,000   401,000      
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 71,000   67,000      
Off-balance sheet credit risks [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 866,059   822,346      
Allowance for off-balance sheet credit instruments 471   470      
Total off-balance sheet credit instruments, net of allowance 865,588   821,876      
Off-balance sheet credit risks [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 15,391   15,613      
Allowance for off-balance sheet credit instruments 570   566      
Total off-balance sheet credit instruments, net of allowance 14,821   15,047      
Off-balance sheet credit risks [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 406   343      
Allowance for off-balance sheet credit instruments 5   16      
Total off-balance sheet credit instruments, net of allowance 401   327      
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 314,346   320,223      
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 313,013   318,759      
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 1,333   1,464      
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 73,225   63,711      
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 72,005   62,564      
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 1,220   1,147      
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 18,447   17,676      
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 17,341   16,381      
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 1,106   1,295      
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 2,561   2,374      
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 1,458   1,282      
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 1,103   1,092      
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 406   343      
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 406   343      
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 353,009   319,274      
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 353,009   319,274      
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 114,298   109,646      
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 108,189   103,936      
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 6,109   5,710      
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 5,564   5,055      
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 1,044   150      
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 4,520   4,905      
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