v3.24.3
Loans and Allowance for Credit Losses - Reconciliation of Allowance for Credit Losses - Credit Cards (Detail) - Retail [member] - Credit cards [member] - CAD ($)
$ in Millions
12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Disclosure of credit risk exposure [line items]    
Balance at beginning of period $ 1,069 $ 893
Provision for credit losses    
Originations 25 13
Maturities (53) (39)
Changes in risk, parameters and exposures 859 662
Write-offs (892) (650)
Recoveries 223 190
Exchange rate and other 2  
Balance at end of period 1,233 1,069
Performing Stage one [member]    
Disclosure of credit risk exposure [line items]    
Balance at beginning of period 203 177
Provision for credit losses    
Transfers to Stage 1 559 539
Transfers to Stage 2 (111) (101)
Transfers to Stage 3 (2) (2)
Originations 25 13
Maturities (5) (6)
Changes in risk, parameters and exposures (465) (417)
Exchange rate and other 3  
Balance at end of period 207 203
Performing Stage two [member]    
Disclosure of credit risk exposure [line items]    
Balance at beginning of period 866 716
Provision for credit losses    
Transfers to Stage 1 (559) (539)
Transfers to Stage 2 111 101
Transfers to Stage 3 (483) (394)
Maturities (48) (33)
Changes in risk, parameters and exposures 1,139 1,015
Balance at end of period 1,026 866
Impaired Stage three [member]    
Provision for credit losses    
Transfers to Stage 3 485 396
Changes in risk, parameters and exposures 185 64
Write-offs (892) (650)
Recoveries 223 $ 190
Exchange rate and other $ (1)