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Securities - Summary of Interest and Dividend Income and Gains on Securities (Detail) - Insurance products [member] - CAD ($) $ in Millions		12 Months Ended
		Oct. 31, 2025	Oct. 31, 2024
Disclosure In Tabular Form Of Interest And Dividend Income On Securities And Gains On Securities In Respect Of Insurance Business [Line Items]
Interest and dividend income		$ 546	$ 515
Gains from securities designated at FVTPL	[1]	374	1,270
Realized gains from FVOCI securities			1
Total interest and dividend income and gains held in our Insurance business		$ 920	$ 1,786
[1] Gains (losses) on these securities may be offset by certain (losses) gains from changes in insurance-related liabilities, as described above under Securities Designated at FVTPL.

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Interest and dividend income and gain losses on financial assets.

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Realized gains from fair value through other comprehensive income securities.

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The gains (losses) on financial assets at fair value through profit or loss that were designated as such upon initial recognition or subsequently. [Refer: Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently; Gains (losses) on financial assets at fair value through profit or loss]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2024-01-01
-Paragraph 20
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The amount of interest income on financial assets designated at fair value through profit or loss. [Refer: Interest income; Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2024-01-01
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