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Structured Entities and Derecognition of Financial Assets - Schedule of Carrying Amount and Fair Value of Transferred Financial Assets that did not Qualify for Derecognition and Associated Financial Liabilities (Detail) - CAD ($) $ in Millions | Oct. 31, 2025 | Oct. 31, 2024
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Disclosure of transferred financial assets that are not derecognised in their entirety [line items] |  |
Carrying amount | $ 142,094 | $ 111,394
Associated liabilities, carrying amount | 142,478 | 111,704
Fair value | 142,152 | 111,380
Associated liabilities, fair value | 142,443 | 111,655
Residential mortgage securitizations [member] |  |
Disclosure of transferred financial assets that are not derecognised in their entirety [line items] |  |
Carrying amount | 14,368 | 14,612
Fair value | 14,426 | 14,598
Securities held by counterparties as collateral under repurchase agreements [member] |  |
Disclosure of transferred financial assets that are not derecognised in their entirety [line items] |  |
Carrying amount | 104,799 | 72,433
Fair value | 104,799 | 72,433
Securities lent for cash collateral [member] |  |
Disclosure of transferred financial assets that are not derecognised in their entirety [line items] |  |
Carrying amount | 1,507 | 2,637
Fair value | 1,507 | 2,637
Securities lent for securities collateral [member] |  |
Disclosure of transferred financial assets that are not derecognised in their entirety [line items] |  |
Carrying amount | 21,420 | 21,712
Fair value | $ 21,420 | $ 21,712

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- Definition Liabilities associated with transferred financial assets that did not qualify for derecognition. + References No definition available. + Details
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- Definition The amount of transferred financial assets that the entity continues to recognise in full. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 42D -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_42D_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The fair value of financial liabilities associated with transferred financial assets that are not derecognised in their entirety. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 42D -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_42D_d&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The fair value of transferred financial assets that are not derecognised in their entirety. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 42D -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_42D_d&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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- Details
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- Details
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