Significant Transactions (Narrative) (Details) - CAD ($) $ in Millions	12 Months Ended
Oct. 31, 2025	Oct. 31, 2024
Disclosure of detailed information about business combination [line items]
Interest income	$ 87,621	$ 93,389
Material Reconciliation [Member]
Disclosure of detailed information about business combination [line items]
Interest income	$ 205	$ 242

The amount of income arising from interest.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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