XML 81 R67.htm IDEA: XBRL DOCUMENT v3.25.1
Loans - Summary of Undrawn Credit Facilities and Other Off Balance Sheet Exposures (Detail) - CAD ($)
$ in Millions
Apr. 30, 2025
Jan. 31, 2025
Oct. 31, 2024
Apr. 30, 2024
Disclosure of internal credit grades [line items]        
Credit exposure $ 450,627   $ 440,411  
ECL allowance 264 $ 272   $ 188
Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 449,017   429,783  
Retail [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 164   94  
Retail [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 207,785   200,806  
Retail [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 207,621   200,712  
Retail [member] | Exceptionally Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 169,944   164,694  
Retail [member] | Very Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 15,491   15,116  
Retail [member] | Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 16,958   15,972  
Retail [member] | Medium [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 3,798   3,543  
Retail [member] | High [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 937   864  
Retail [member] | Default [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 44   43  
Retail [member] | Not Rated [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 613   574  
Business and government [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 100   103  
Business and government [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 241,496   229,174  
Business and government [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 241,396   229,071  
Business and government [member] | Investment grade [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 166,802   157,131  
Business and government [member] | Non-investment grade [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 72,636   69,806  
Business and government [member] | Watch list [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 904   906  
Business and government [member] | Default [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 244   123  
Business and government [member] | Not Rated [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 910   1,208  
Stage 1 [member] | 12-month expected credit losses [member] | Financial instruments not credit-impaired [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 114 111   96
Stage 1 [member] | 12-month expected credit losses [member] | Financial instruments not credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 440,440   422,227  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 54   42  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 204,190   197,830  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 204,136   197,788  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Exceptionally Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 169,816   164,577  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Very Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 15,407   15,112  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 15,411   14,988  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Medium [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 2,574   2,263  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | High [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 377   325  
Stage 1 [member] | 12-month expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Not Rated [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 605   565  
Stage 1 [member] | 12-month expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 60   54  
Stage 1 [member] | 12-month expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 236,364   224,493  
Stage 1 [member] | 12-month expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 236,304   224,439  
Stage 1 [member] | 12-month expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Investment grade [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 166,228   156,560  
Stage 1 [member] | 12-month expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Non-investment grade [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 69,247   66,788  
Stage 1 [member] | 12-month expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Watch list [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 17   28  
Stage 1 [member] | 12-month expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Not Rated [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 872   1,117  
Stage 2 [member] | Lifetime expected credit losses [member] | Financial instruments not credit-impaired [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 141 152   90
Stage 2 [member] | Lifetime expected credit losses [member] | Financial instruments not credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 8,298   7,399  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 110   52  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 3,551   2,933  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 3,441   2,881  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Exceptionally Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 128   117  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Very Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 84   4  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Low [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 1,547   984  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Medium [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 1,224   1,280  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | High [Member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 560   539  
Stage 2 [member] | Lifetime expected credit losses [member] | Retail [member] | Financial instruments not credit-impaired [member] | Not Rated [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 8   9  
Stage 2 [member] | Lifetime expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 31   40  
Stage 2 [member] | Lifetime expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 4,888   4,558  
Stage 2 [member] | Lifetime expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 4,857   4,518  
Stage 2 [member] | Lifetime expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Investment grade [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 574   571  
Stage 2 [member] | Lifetime expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Non-investment grade [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 3,389   3,018  
Stage 2 [member] | Lifetime expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Watch list [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 887   878  
Stage 2 [member] | Lifetime expected credit losses [member] | Business and government [member] | Financial instruments not credit-impaired [member] | Not Rated [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 38   91  
Stage 3 [member] | Financial instruments credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 279   157  
Stage 3 [member] | Retail [member] | Financial instruments credit-impaired [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 44   43  
Stage 3 [member] | Retail [member] | Financial instruments credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 44   43  
Stage 3 [member] | Retail [member] | Financial instruments credit-impaired [member] | Default [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 44   43  
Stage 3 [member] | Business and government [member] | Financial instruments credit-impaired [member]        
Disclosure of internal credit grades [line items]        
ECL allowance 9   9  
Stage 3 [member] | Business and government [member] | Financial instruments credit-impaired [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 244   123  
Stage 3 [member] | Business and government [member] | Financial instruments credit-impaired [member] | Net credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 235   114  
Stage 3 [member] | Business and government [member] | Financial instruments credit-impaired [member] | Default [member] | Gross credit exposure [member]        
Disclosure of internal credit grades [line items]        
Credit exposure 244   $ 123  
Stage 3 [member] | Lifetime expected credit losses [member] | Financial instruments credit-impaired [member]        
Disclosure of internal credit grades [line items]        
ECL allowance $ 9 $ 9   $ 2