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Structured Entities - Summary of Unconsolidated Structured Entities (Detail) - CAD ($) $ in Millions | Oct. 31, 2025 | Oct. 31, 2024
--- | --- | ---
Disclosure of unconsolidated structured entities [line items] |  |  |
Trading assets |  | $ 152,223 | $ 129,727
Investment securities |  | 149,948 | 152,832
Total assets |  | 1,460,042 | 1,412,027
Deposits – Business and government |  | 627,667 | 600,114
Derivative financial instruments |  | 56,031 | 51,260
Total liabilities |  | 1,371,455 | 1,327,951
Canadian multi-seller Conduits that the bank administers [Member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Total assets on structured entity's financial statements |  | 6,971 | 6,299
Trading assets |  | 26 | 8
Total assets |  | 26 | 8
Bank's maximum exposure to loss | [1] | 6,997 | 6,307
Structured finance entities [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Total assets on structured entity's financial statements |  | 22,746 | 13,695
Trading assets |  | 709 | 306
Investment securities |  | 786 | 842
Loans | [2] | 8,546 | 4,757
Other |  | 52 | 35
Total assets |  | 10,093 | 5,940
Bank's maximum exposure to loss |  | 22,670 | 11,469
Other funding vehicles [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Total assets on structured entity's financial statements |  | 2,575 | 1,870
Other |  | 99 | 93
Total assets |  | 99 | 93
Deposits – Business and government |  | 2,533 | 1,842
Derivative financial instruments |  |  | 28
Other |  | 43 |
Total liabilities |  | 2,576 | 1,870
Bank's maximum exposure to loss |  | 71 | 76
Unconsolidated structured entities [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Total assets on structured entity's financial statements |  | 32,292 | 21,864
Trading assets |  | 735 | 314
Investment securities |  | 786 | 842
Loans | [2] | 8,546 | 4,757
Other |  | 151 | 128
Total assets |  | 10,218 | 6,041
Deposits – Business and government |  | 2,533 | 1,842
Derivative financial instruments |  |  | 28
Other |  | 43 |
Total liabilities |  | 2,576 | 1,870
Bank's maximum exposure to loss |  | $ 29,738 | $ 17,852
[1] | Excludes up to a maximum amount of $1.6 billion (2024 – $1.4 billion) relating to backstop liquidity facilities provided by the Bank to these multi-seller conduits based on future asset purchases by these conduits.
[2] | Loan balances are presented net of allowance for credit losses.

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