Securities - Additional Information (Detail) - CAD ($) $ in Millions	Oct. 31, 2025	Oct. 31, 2024
Disclosure of financial assets [line items]
Fair value through profit or loss ("FVTPL") securities	$ 21,354	$ 19,064
Amortized cost	96,610	115,188
FVOCI Securities	113,209	93,702
Debt securities [member]
Disclosure of financial assets [line items]
Amortized cost	96,610	115,188
FVOCI Securities	113,209	93,702
Allowance for credit losses of amortized cost	4	3
Allowance for credit losses of FVOCI securities	6	4
Mandatorily measured at fair value [member]
Disclosure of financial assets [line items]
Fair value through profit or loss ("FVTPL") securities	7,818	6,850
Assets recognised	1,136	900
Related to securities held by insurance subsidiaries [member]
Disclosure of financial assets [line items]
Fair value through profit or loss ("FVTPL") securities	$ 13,536	$ 12,214

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- Definition

Allowance for credit losses of FVOCI securities.

+ References

No definition available.

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- Definition

Non trading securities at fair value through profit or loss.

+ References

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- Definition

Securities at amortized cost net of allowances.

+ References

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- Definition

Securities at fair value through other comprehensive income net of allowances.

+ References

No definition available.

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- Definition

The amount of assets recognised in the entity's financial statements relating to its interests in structured entities. [Refer: Assets; Total for all unconsolidated structured entities [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph 29
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_29_a&doctype=Standard
-URIDate 2024-03-27

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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

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