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v3.25.3

Premises and Equipment - Summary of Maximum Estimated Useful Lives to Amortize Assets (Detail) | 12 Months Ended
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Oct. 31, 2025
Buildings [member] | Bottom of range [member] |
Disclosure Of Property Plant And Equipment Estimated Useful Life [Line Items] |
Estimated useful lives of assets | 10 years
Buildings [member] | Top of range [member] |
Disclosure Of Property Plant And Equipment Estimated Useful Life [Line Items] |
Estimated useful lives of assets | 40 years
Computer equipment and operating system software [member] | Bottom of range [member] |
Disclosure Of Property Plant And Equipment Estimated Useful Life [Line Items] |
Estimated useful lives of assets | 5 years
Computer equipment and operating system software [member] | Top of range [member] |
Disclosure Of Property Plant And Equipment Estimated Useful Life [Line Items] |
Estimated useful lives of assets | 7 years
Other equipment [member] |
Disclosure Of Property Plant And Equipment Estimated Useful Life [Line Items] |
Estimated useful lives of assets | 10 years
Leasehold improvements [member] |
Disclosure Of Property Plant And Equipment Estimated Useful Life [Line Items] |
Estimated useful lives of assets | Lease term to a maximum of 10 years

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- Definition Disclosure Of Property Plant And Equipment Estimated Useful Life [Line Items] + References No definition available. + Details
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- Definition Description of useful life used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_c&doctype=Standard -URIDate 2024-03-27 + Details
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