Current and Future Changes in Accounting Policies (Narrative) (Details) - CAD ($) $ in Millions	Oct. 31, 2025	Oct. 31, 2024
Disclosure of initial application of standards or interpretations [line items]
Deferred tax assets	$ 5,388	$ 4,937
Retained earnings	78,320	70,826
Accumulated other comprehensive income (loss)	$ 12,874	$ 7,904

The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income]

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The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]

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A component of equity representing the entity's cumulative undistributed earnings or deficit.

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