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Derecognition of financial assets - Additional Information (Detail) - Securities lent [member] - CAD ($) $ in Millions | 12 Months Ended
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Oct. 31, 2025 | Oct. 31, 2024
Disclosure of financial assets [line items] |  |
Recognised assets representing continuing involvement in derecognised financial assets | $ 4,550 | $ 8,486
Gain (loss) of derecognised financial assets at date of transfer | $ 365 | $ 491

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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 gain (loss) recognised on derecognised financial assets as of the date of the transfer of the assets. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 42G -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_42G_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of assets recognised in the statement of financial position representing the entity's continuing involvement in derecognised financial assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 42E -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_42E_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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