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Interest Income and Expense (Summary of Interest Income and Expense by Basis of Accounting Classification) (Parenthetical) (Details) - CAD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Interest Income and Expense [Abstract]
Interest expenses on lease liabilities	$ 163	$ 151

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- References

No definition available.

+ Details

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- Definition

The amount of interest expense on lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 53
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_b&doctype=Standard
-URIDate 2024-03-27

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Balance Type:	debit
Period Type:	duration