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Structured Entities - Schedule of Unconsolidated Structured Entities (Detail) - CAD ($) $ in Millions | Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2023
--- | --- | --- | ---
Disclosure of unconsolidated structured entities [line items] |  |  |  |  |
Cash and cash equivalents | $ 67,484 | [1] | $ 65,098 | [1] | $ 77,934
Trading Securities | 192,303 |  | 168,926 |  |
FVTPL Securities | 21,354 |  | 19,064 |  |
FVOCI Securities | 113,209 |  | 93,702 |  |
Derivatives | 57,151 |  | 47,253 |  |
Other | 42,884 |  | 42,387 |  |
Derivatives | 58,729 |  | 58,303 |  |
Other | 404,000 |  | 334,544 |  |
Total assets of the entities | 1,476,802 |  | 1,409,647 |  |
Customer securitization vehicles [member] |  |  |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |  |  |
Cash and cash equivalents | 104 |  | 107 |  |
Trading Securities | 12 |  | 170 |  |
FVTPL Securities | 84 |  | 40 |  |
FVOCI Securities | 1,465 |  | 1,484 |  |
Derivatives | 3 |  | 1 |  |
Other | 48 |  | 8 |  |
Total assets | 1,716 |  | 1,810 |  |
Deposits | 104 |  | 107 |  |
Derivatives | 0 |  | 3 |  |
Other | 0 |  |  |  |
Total liabilities | 104 |  | 110 |  |
Maximum exposure to loss | 21,290 | [2],[3] | 20,998 |  |
Total assets of the entities | 12,866 |  | 12,956 |  |
Capital vehicles [member] |  |  |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |  |  |
Cash and cash equivalents | 4,519 |  | 5,536 |  |
Trading Securities | 0 |  |  |  |
FVTPL Securities | 0 |  |  |  |
FVOCI Securities | 0 |  |  |  |
Derivatives | 0 |  |  |  |
Other | 2 |  |  |  |
Total assets | 4,521 |  | 5,536 |  |
Deposits | 4,519 |  | 5,536 |  |
Derivatives | 0 |  |  |  |
Other | 62 |  | 87 |  |
Total liabilities | 4,581 |  | 5,623 |  |
Maximum exposure to loss | 1 |  | 1 |  |
Total assets of the entities | 4,581 |  | 5,624 |  |
Other securitization vehicles [member] |  |  |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |  |  |
Cash and cash equivalents | 0 |  |  |  |
Trading Securities | 32,048 |  | 21,485 |  |
FVTPL Securities | 0 |  |  |  |
FVOCI Securities | 0 |  |  |  |
Derivatives | 0 |  |  |  |
Other | 181 |  | 169 |  |
Total assets | 32,229 |  | 21,654 |  |
Deposits | 0 |  |  |  |
Derivatives | 0 |  |  |  |
Other | 0 |  |  |  |
Total liabilities | 0 |  |  |  |
Maximum exposure to loss | 32,229 |  | 21,654 |  |
Total assets of the entities | $ 112,946 |  | $ 87,611 |  |
[1] | We are required to maintain reserves or minimum balances with certain central banks, regulatory bodies and counterparties, totalling $108 million as at October 31, 2025 ($80 million as at October 31, 2024).
[2] | Maximum exposure to loss represents securities held, undrawn liquidity facilities, any remaining unfunded committed amounts to the BMO funded vehicle, derivative assets and other assets.
[3] | Securities held that are issued by our Canadian and U.S. customer securitization vehicles comprise asset-backed commercial paper (ABCP) and are classified as either trading securities, FVTPL securities or FVOCI securities.

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