IFRS 7 - Disclosure - Liquidity Risk - Summary of Contractual Maturity Profile of On-Balance Sheet Assets, Liabilities and Equity at their Carrying Values (Parenthetical) (Detail) - CAD ($) $ in Billions |
Jan. 31, 2023 |
Oct. 31, 2022 |
|---|---|---|
| Personal [member] | ||
| Disclosure of contractual obligations [line items] | ||
| Deposits | $ 236.1 | $ 232.1 |
| Business And Government Deposits And Secured Borrowings [member] | ||
| Disclosure of contractual obligations [line items] | ||
| Deposits | 434.1 | 443.0 |
| Bank [member] | ||
| Disclosure of contractual obligations [line items] | ||
| Deposits | $ 24.5 | $ 22.5 |