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Other Liabilities - Summary of Components of Other within Other Liabilities (Detail) - CAD ($) $ in Millions | Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2023
--- | --- | --- | ---
Disclosure of Other Liability [Line Items] |  |  |
Accounts payable, accrued expenses and other items | $ 12,638 | $ 11,311 |
Accrued interest payable | 5,092 | 6,468 |
ACL on off-balance sheet items | 689 | 580 |
Cash collateral | 8,206 | 6,414 |
Credit card loyalty rewards | 1,486 | 1,465 |
Current tax liabilities | 329 | 470 |
Deferred tax liabilities (Note 22) | 1 | 1 | $ 16
Lease Liabilities | 3,315 | 3,326 |
Liabilities of subsidiaries | 4,740 | 5,633 |
Total | 37,549 | 36,720 |
Other employee future benefit plans [member] |  |  |
Disclosure of Other Liability [Line Items] |  |  |
Other employee future benefits liability | 776 | 819 |
Pension Plans [member] |  |  |
Disclosure of Other Liability [Line Items] |  |  |
Other employee future benefits liability | (1,126) | (1,063) |
Other liabilities [member] | Other employee future benefit plans [member] |  |  |
Disclosure of Other Liability [Line Items] |  |  |
Other employee future benefits liability | 863 | 863 |
Other liabilities [member] | Pension Plans [member] |  |  |
Disclosure of Other Liability [Line Items] |  |  |
Other employee future benefits liability | $ 190 | $ 189 |

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