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Loans - Disclosure of Loans and Receivables (Detail) - CAD ($) $ in Millions | Oct. 31, 2025 | Oct. 31, 2024
--- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |  |
Residential mortgages |  | $ 287,033 | $ 280,672
Personal |  | 47,866 | 46,681
Credit card |  | 21,581 | 20,551
Business and government | [1] | 237,416 | 214,305
Total gross amount |  | 593,896 | 562,209
Total allowance |  | 4,392 | 3,917
Net total |  | $ 589,504 | $ 558,292
Allowances as a % of gross loans |  | 0.70% | 0.70%
Residential mortgages [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | $ 574 | $ 449
Net total |  | $ 286,459 | $ 280,223
Allowances as a % of gross loans |  | 0.20% | 0.20%
Personal [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | $ 1,156 | $ 942
Net total |  | $ 46,710 | $ 45,739
Allowances as a % of gross loans |  | 2.40% | 2.00%
Credit card [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | $ 942 | $ 902
Net total |  | $ 20,639 | $ 19,649
Allowances as a % of gross loans |  | 4.40% | 4.40%
Business and government [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | $ 1,720 | $ 1,624
Net total |  | $ 235,696 | $ 212,681
Allowances as a % of gross loans |  | 0.70% | 0.80%
Stage 3 [member] | Financial instruments credit-impaired [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Residential mortgages |  | $ 1,315 | $ 994
Personal |  | 290 | 292
Total allowance |  | 982 | 816
Stage 3 [member] | Financial instruments credit-impaired [member] | Residential mortgages [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | 306 | 234
Stage 3 [member] | Financial instruments credit-impaired [member] | Personal [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | 185 | 190
Stage 3 [member] | Financial instruments credit-impaired [member] | Business and government [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | 491 | 392
Stages 1 and 2 [member] | Financial instruments not credit-impaired [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | 3,410 | 3,101
Stages 1 and 2 [member] | Financial instruments not credit-impaired [member] | Residential mortgages [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | 268 | 215
Stages 1 and 2 [member] | Financial instruments not credit-impaired [member] | Personal [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | 971 | 752
Stages 1 and 2 [member] | Financial instruments not credit-impaired [member] | Credit card [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | 942 | 902
Stages 1 and 2 [member] | Financial instruments not credit-impaired [member] | Business and government [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total allowance |  | $ 1,229 | $ 1,232
[1] | Includes customers’ liability under acceptances of $10 million (2024: $6 million) in business and government loans and acceptances of $10 million (2024: $6 million) in other liabilities. Prior year amounts have been revised to conform to the presentation adopted in 2025.

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