Derivative financial instruments and hedging activities - Summary of Derivative-related Credit Risk (Parenthetical) (Detail) - CAD ($) $ in Billions	Oct. 31, 2022	Oct. 31, 2021
Disclosure of credit risk exposure [line items]
Credit valuation adjustment	$ 16	$ 18

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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