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Derivative Instruments - Derivatives Designated As Fair Value Hedging Instruments, Hedged Items and Hedge Ineffectiveness (Parenthetical) (Detail) - CAD ($) $ in Millions	Oct. 31, 2025	Oct. 31, 2024
Bond Futures [Member]
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]
Net fair value of bonds designated as fair value hedges	$ 0	$ 0

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- Definition

Net fair value of bonds designated as fair value hedges.

+ References

No definition available.

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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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