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IFRS 7 - Disclosure - Credit Risk - Summary of PD Bands to Various Risk Levels (Detail) | 12 Months Ended
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Oct. 31, 2025
Probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 100.00%
Bottom of range [member] | Exceptionally low probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 0.01%
Bottom of range [member] | Very low probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 0.21%
Bottom of range [member] | Low probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 0.51%
Bottom of range [member] | Medium probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 2.01%
Bottom of range [member] | High probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 10.01%
Top of range [member] | Exceptionally low probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 0.20%
Top of range [member] | Very low probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 0.50%
Top of range [member] | Low probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 2.00%
Top of range [member] | Medium probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 10.00%
Top of range [member] | High probability of default [member] |
Disclosure of credit risk exposure [line items] |
Probability of obligor default rate | 99.99%

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- Definition Probability of obligor default rate. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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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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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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