Employee Benefits (Summary of Expenses for Bank's Defined Contribution Plans) (Details) - CAD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2024 |
Apr. 30, 2023 |
Apr. 30, 2024 |
Apr. 30, 2023 |
|
| Disclosure of defined benefit plans [line items] | ||||
| Defined Contribution Plan Expenses | $ 205 | $ 183 | $ 487 | $ 420 |
| Defined contribution pension plans [member] | ||||
| Disclosure of defined benefit plans [line items] | ||||
| Defined Contribution Plan Expenses | 73 | 62 | 158 | 126 |
| Government pension plans [member] | ||||
| Disclosure of defined benefit plans [line items] | ||||
| Defined Contribution Plan Expenses | $ 132 | $ 121 | $ 329 | $ 294 |