Segmented and geographic information - Breakdown of revenue from reporting segments (Parenthetical) (Detail) - CAD ($) $ in Millions	12 Months Ended
Oct. 31, 2022	Oct. 31, 2021
Capital markets [member]
Disclosure of operating segments [line items]
Taxable equivalent basis adjustment	$ 211	$ 204

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.

No definition available.

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