The amount of transfers of assets into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2025-01-01
-Paragraph 93
-Subparagraph e
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_iv&doctype=Standard
-URIDate 2025-03-27

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- Definition

The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2025-01-01
-Paragraph 93
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_c&doctype=Standard
-URIDate 2025-03-27

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- Definition

The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]

+ References

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- Definition

Disclosure of fair value measurement of assets and liabilities.

+ References

No definition available.

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Fair value of financial instruments - Additional Information (Detail) - CAD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Disclosure of fair value measurement of assets and liabilities [line Items]
Transfers out of Level 1 to Level 2		$ 0
Transfers out of Level 2 to Level 1	$ 0	0	$ 0	$ 0
Transfers out of Level 2 to Level 3	0	$ 0
Investment U.S. federal, state, municipal and agencies [member]
Disclosure of fair value measurement of assets and liabilities [line Items]
Transfers out of Level 1 to Level 2	135		574
Trading U.S. federal, state, municipal and agencies debt [Member]
Disclosure of fair value measurement of assets and liabilities [line Items]
Transfers out of Level 1 to Level 2	$ 1,375		$ 1,858	$ 938