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
Apr. 30, 2026
Jan. 31, 2026
Oct. 31, 2025
Apr. 30, 2025
Jan. 31, 2025
Oct. 31, 2024
Disclosure of detailed information about financial instruments [line items]            
Total loans $ 973,101   $ 961,989      
Total allowance for loan losses 8,419   8,689 $ 8,613    
Total loans, net of allowance 964,682   953,300      
Non-trading loans at fair value 800   300      
Trading loans at fair value 31,000   30,000      
Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 877,587   862,929      
Total allowance for loan losses 2,736   2,739 2,645    
Total loans, net of allowance 874,851   860,190      
Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 90,233   93,640      
Total allowance for loan losses 4,153   4,362 4,340    
Total loans, net of allowance 86,080   89,278      
Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 5,281   5,420      
Total allowance for loan losses 1,530   1,588 1,628    
Total loans, net of allowance 3,751   3,832      
Residential mortgages [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 299,994   315,063      
Total allowance for loan losses 420 $ 383 357 348 $ 368 $ 365
Total loans, net of allowance 299,574   314,706      
Residential mortgages [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 274,291   291,739      
Total allowance for loan losses 101 103 102 106 114 116
Total loans, net of allowance 274,190   291,637      
Residential mortgages [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 24,678   22,346      
Total allowance for loan losses 223 194 175 174 181 189
Total loans, net of allowance 24,455   22,171      
Residential mortgages [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 1,025   978      
Total allowance for loan losses 96 $ 86 80 68 $ 73 $ 60
Total loans, net of allowance 929   898      
Residential mortgages [member] | Low Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 204,697   221,933      
Residential mortgages [member] | Low Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 203,804   221,168      
Residential mortgages [member] | Low Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 893   765      
Residential mortgages [member] | Normal Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 79,538   78,608      
Residential mortgages [member] | Normal Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 69,586   70,217      
Residential mortgages [member] | Normal Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 9,952   8,391      
Residential mortgages [member] | Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 10,574   9,841      
Residential mortgages [member] | Medium Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 527   351      
Residential mortgages [member] | Medium Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 10,047   9,490      
Residential mortgages [member] | High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 4,504   4,094      
Residential mortgages [member] | High Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 374   3      
Residential mortgages [member] | High Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 3,786   3,700      
Residential mortgages [member] | High Risk [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 344   391      
Residential mortgages [member] | Default [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 681   587      
Residential mortgages [member] | Default [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 681   587      
Consumer instalment and other personal [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 274,675   259,033      
Total allowance for loan losses 2,143   2,193 2,145    
Total loans, net of allowance 272,532   256,840      
Consumer instalment and other personal [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 240,139   221,558      
Total allowance for loan losses 697   699 649    
Total loans, net of allowance 239,442   220,859      
Consumer instalment and other personal [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 33,399   36,401      
Total allowance for loan losses 1,171   1,220 1,218    
Total loans, net of allowance 32,228   35,181      
Consumer instalment and other personal [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 1,137   1,074      
Total allowance for loan losses 275   274 278    
Total loans, net of allowance 862   800      
Consumer instalment and other personal [member] | Low Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 121,924   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 119,366   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 2,558   2,588      
Consumer instalment and other personal [member] | Normal Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 100,344   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 84,273   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 16,071   19,812      
Consumer instalment and other personal [member] | Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 37,654   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 30,455   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 7,199   6,792      
Consumer instalment and other personal [member] | High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 14,091   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 6,045   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 7,571   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 475   448      
Consumer instalment and other personal [member] | Default [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 662   626      
Consumer instalment and other personal [member] | Default [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 662   626      
Credit card [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 40,802   41,662      
Total allowance for loan losses 2,279   2,292 2,217    
Total loans, net of allowance 38,523   39,370      
Credit card [member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 34,573   35,740      
Total allowance for loan losses 738   743 743    
Total loans, net of allowance 33,835   34,997      
Credit card [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 5,676   5,354      
Total allowance for loan losses 1,093   1,089 1,025    
Total loans, net of allowance 4,583   4,265      
Credit card [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 553   568      
Total allowance for loan losses 448   460 $ 449    
Total loans, net of allowance 105   108      
Credit card [member] | Low Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 6,376   8,015      
Credit card [member] | Low Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 6,372   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 12,132   12,341      
Credit card [member] | Normal Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 12,024   12,222      
Credit card [member] | Normal Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 108   119      
Credit card [member] | Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 14,163   13,682      
Credit card [member] | Medium Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 13,264   12,780      
Credit card [member] | Medium Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 899   902      
Credit card [member] | High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 7,966   7,475      
Credit card [member] | High Risk [Member] | Stage 1 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,913   2,727      
Credit card [member] | High Risk [Member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 4,665   4,329      
Credit card [member] | High Risk [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 388   419      
Credit card [member] | Default [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 165   149      
Credit card [member] | Default [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 165   149      
Business and government [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 357,630   346,231      
Total allowance for loan losses 3,577   3,847      
Total loans, net of allowance 354,053   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 328,584   313,892      
Total allowance for loan losses 1,200   1,195      
Total loans, net of allowance 327,384   312,697      
Business and government [member] | Stage 2 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 26,480   29,539      
Total allowance for loan losses 1,666   1,878      
Total loans, net of allowance 24,814   27,661      
Business and government [member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,566   2,800      
Total allowance for loan losses 711   774      
Total loans, net of allowance 1,855   2,026      
Business and government [member] | Default [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,454   2,723      
Business and government [member] | Default [Member] | Stage 3 [member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 2,454   2,723      
Business and government [member] | Investment Grade Or Low Normal Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 147,604   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 147,440   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 164   152      
Business and government [member] | Non Investment Grade Or Medium Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 192,696   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 180,474   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 12,222   13,289      
Business and government [member] | Watch And Classified Or High Risk [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 14,876   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 670   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 14,094   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 112   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 24,000   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 230   273      
Business and government and residential mortgage [member] | Insured [Member]            
Disclosure of detailed information about financial instruments [line items]            
Total loans 67,000   69,000      
Off-balance sheet credit risks [member]            
Disclosure of detailed information about financial instruments [line items]            
Off balance sheet credit instruments 842,098   838,302      
Allowance for off-balance sheet credit instruments 1,030   1,052      
Total off-balance sheet credit instruments, net of allowance 841,068   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 397,000   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 68,000   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 827,152   822,346      
Allowance for off-balance sheet credit instruments 472   470      
Total off-balance sheet credit instruments, net of allowance 826,680   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 14,672   15,613      
Allowance for off-balance sheet credit instruments 553   566      
Total off-balance sheet credit instruments, net of allowance 14,119   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 274   343      
Allowance for off-balance sheet credit instruments 5   16      
Total off-balance sheet credit instruments, net of allowance 269   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 306,431   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 305,100   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 1,331   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 72,792   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 71,565   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 1,227   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 18,427   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 17,272   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 1,155   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 2,625   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 1,422   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 1,203   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 274   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 274   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 326,904   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 326,904   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 109,691   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 104,133   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 5,558   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 4,954   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 756   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 4,198   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