IFRS 7 Disclosure (Summary of Deposit Funding) (Details) - CAD ($) $ in Millions |
Apr. 30, 2024 |
Oct. 31, 2023 |
|---|---|---|
| Disclosure Of Deposits [Line Items] | ||
| Funds from Deposits | $ 975,745 | $ 975,433 |
| Canadian [member] | P&C Deposits [member] | ||
| Disclosure Of Deposits [Line Items] | ||
| Funds from Deposits | 542,967 | 529,078 |
| U.S. [member] | P&C Deposits [member] | ||
| Disclosure Of Deposits [Line Items] | ||
| Funds from Deposits | $ 432,778 | $ 446,355 |