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v3.25.3

Investments in Associates - Summary of Significant Investments in Associates (Detail) - CAD ($) $ in Millions | 12 Months Ended |
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Oct. 31, 2025 | Oct. 31, 2024
Bank of Xian Co Ltd [member] |  |  |
Disclosure of associates [line items] |  |  |
Country of incorporation | [1] | China |
Nature of business | [1] | Banking |
Ownership percentage | [1] | 18.10% |
Date of financial statements | [1],[2] | Sep. 30, 2025 |
Carrying value | [1] | $ 729 | $ 658
Maduro and curiels bank NV [member] |  |  |
Disclosure of associates [line items] |  |  |
Country of incorporation | [3] | Curacao |
Nature of business | [3] | Banking |
Ownership percentage | [3] | 48.10% |
Date of financial statements | [2],[3] | Sep. 30, 2025 |
Carrying value | [3] | $ 570 | $ 527
KeyCorp [Member] |  |  |
Disclosure of associates [line items] |  |  |
Country of incorporation | [4] | United States |
Nature of business | [4] | Banking |
Ownership percentage | [4] | 14.90% |
Date of financial statements | [2],[4] | Sep. 30, 2025 |
Carrying value | [4] | $ 4,379 |
[1] | Based on the quoted price on the Shanghai Stock Exchange, the market value of the Bank’s Investment in Bank of Xi’an Co. Ltd. was $617 (October 31, 2024 – $570). The Bank has significant influence over the Bank of Xi’an Co. Ltd. through a combination of its ownership interest and board representation.
[2] | Represents the date of the most recent financial statements.
[3] | The local regulator requires financial institutions to set aside reserves for general banking risks. These reserves are not required under IFRS, and represent undistributed retained earnings related to a foreign associated corporation, which are subject to local regulatory restrictions. As of October 31, 2025, these reserves amounted to $76 (2024 – $74).
[4] | On December 27, 2024, the Bank completed the acquisition of an additional 10% ownership interest, bringing the total ownership interest in KeyCorp to 14.9% (refer to Note 35 for further details). The Bank has significant influence over KeyCorp through a combination of its ownership interest and board representation. Based on the quoted price on the New York Stock Exchange, the market value of the Bank’s investment in KeyCorp was $4,018 as at Oct 31, 2025. During the year, dividends received from KeyCorp of $140 were recognized as a reduction in the carrying value of the investment in associate.

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- Definition The country in which an associate of the entity is incorporated. [Refer: Total for all associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 16 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_16_b_ii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 17 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_17_b_ii&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 21 -Subparagraph a -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_21_a_iii&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The date of the end of the reporting period of the financial statements of an associate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 22 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_22_b_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The description of the nature of the entity's relationship with an associate (for example, describing the nature of the activities of the associate and whether they are strategic to the entity's activities). [Refer: Total for all associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 21 -Subparagraph a -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_21_a_ii&doctype=Standard -URIDate 2024-03-27 + Details
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