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Principal Subsidiaries and Non-Controlling Interests in Subsidiaries - Summary of Significant Investments In Subsidiaries (Detail) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2025 | Oct. 31, 2024
Canada [member] | Scotia Capital Inc. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Capital Inc. |
Principal office | [1] | Toronto, Ontario |
Carrying value | [1] | $ 4,694 | $ 4,160
Canada [member] | BNS Investments Inc. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | BNS Investments Inc. |
Principal office | [1] | Toronto, Ontario |
Carrying value | [1] | $ 22,545 | 23,860
Canada [member] | 1832 Asset Management L.P. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | 1832 Asset Management L.P. |
Principal office | [1] | Toronto, Ontario |
Canada [member] | Montreal Trust Company of Canada [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Montreal Trust Company of Canada |
Principal office | [1] | Montreal, Quebec |
Canada [member] | MD Financial Management Inc. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | MD Financial Management Inc. |
Principal office | [1] | Ottawa, Ontario |
Carrying value | [1] | $ 2,939 | 2,826
Canada [member] | Jarislowsky, Fraser Limited [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Jarislowsky, Fraser Limited |
Principal office | [1] | Montreal, Quebec |
Carrying value | [1] | $ 974 | 956
Canada [member] | Scotia Securities Inc. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Securities Inc. |
Principal office | [1] | Toronto, Ontario |
Carrying value | [1] | $ 69 | 73
Canada [member] | Tangerine Bank [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Tangerine Bank |
Principal office | [1] | Toronto, Ontario |
Carrying value | [1] | $ 3,711 | 4,154
Canada [member] | The Bank of Nova Scotia Trust Company [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | The Bank of Nova Scotia Trust Company |
Principal office | [1] | Toronto, Ontario |
Carrying value | [1] | $ 764 | 704
Canada [member] | Scotia Mortgage Corporation [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Mortgage Corporation |
Principal office | [1] | Toronto, Ontario |
Carrying value | [1] | $ 606 | 843
Canada [member] | National Trust Company [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | National Trust Company |
Principal office | [1] | Stratford, Ontario |
Carrying value | [1] | $ 499 | 408
Canada [member] | Roynat Inc. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Roynat Inc. |
Principal office | [1] | Calgary, Alberta |
Carrying value | [1] | $ 785 | 741
Canada [member] | Scotia Dealer Advantage Inc. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Dealer Advantage Inc. |
Principal office | [1] | Hamilton, Ontario |
Carrying value | [1] | $ 977 | 924
International [member] | Scotia Holdings (USA) LLC [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Holdings (USA) LLC |
Principal office | [1] | New York, New York |
Carrying value | [1] | $ 7,698 | 7,654
International [member] | Scotia Capital (USA) Inc. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Capital (USA) Inc. |
Principal office | [1] | New York, New York |
International [member] | Scotia Financing (USA) LLC [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Financing (USA) LLC |
Principal office | [1] | New York, New York |
International [member] | Nova Scotia Inversiones Limitada [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Nova Scotia Inversiones Limitada |
Principal office | [1] | Santiago, Chile |
Carrying value | [1] | $ 7,370 | 7,489
International [member] | Grupo Financiero Scotiabank Inverlat, S.A. de C.V. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Grupo Financiero Scotiabank Inverlat, S.A. de C.V. (97.39%) |
Principal office | [1] | Mexico City, Mexico |
Carrying value | [1] | $ 8,821 | 6,966
International [member] | Scotiabank Inverlat, S.A. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank Inverlat, S.A. |
Principal office | [1] | Mexico City, Mexico |
International [member] | Scotia Peru Holdings S.A. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Peru Holdings S.A. |
Principal office | [1] | Lima, Peru |
Carrying value | [1] | $ 6,920 | 5,779
International [member] | Scotiabank Peru S.A.A. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank Peru S.A.A. (99.31%) |
Principal office | [1] | Lima, Peru |
International [member] | Multiacciones S.A.S [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1],[2] | Multiacciones S.A.S. |
Principal office | [1],[2] | Bogota, Colombia |
Carrying value | [1],[2] | $ 424 | 973
International [member] | Scotiabank Colpatria, S.A. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1],[2],[3] | Scotiabank Colpatria, S.A. (56.00%) |
Principal office | [1],[2],[3] | Bogota, Colombia |
International [member] | Scotiabank Brasil S.A. Banco Multiplo [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank Brasil S.A. Banco Multiplo |
Principal office | [1] | Sao Paulo, Brazil |
Carrying value | [1] | $ 1,142 | 796
International [member] | Scotial Uruguay Holdings SA [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Uruguay Holdings S.A. |
Principal office | [1] | Montevideo, Uruguay |
Carrying value | [1] | $ 757 | 681
International [member] | Scotiabank Uruguay S.A. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank Uruguay S.A. |
Principal office | [1] | Montevideo, Uruguay |
International [member] | Scotiabank Republica Dominicana, S.A. – Banco Multiple [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank Republica Dominicana, S.A. – Banco Multiple (99.80%) |
Principal office | [1] | Santo Domingo, Dominican Republic |
Carrying value | [1] | $ 823 | 943
International [member] | Scotiabank Caribbean Holdings Ltd. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank Caribbean Holdings Ltd. |
Principal office | [1] | Bridgetown, Barbados |
Carrying value | [1] | $ 1,966 | 1,608
International [member] | Scotia Group Jamaica Limited [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotia Group Jamaica Limited (71.78%) |
Principal office | [1] | Kingston, Jamaica |
International [member] | Scotiabank Trinidad and Tobago Limited [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank Trinidad and Tobago Limited (50.90%) |
Principal office | [1] | Port of Spain, Trinidad and Tobago |
International [member] | Scotiabank (Barbados) Limited [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank (Barbados) Limited |
Principal office | [1] | Bridgetown, Barbados |
Carrying value | [1] | $ 286 | 237
International [member] | BNS International (Bahamas) Limited [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | BNS International (Bahamas) Limited |
Principal office | [1] | Nassau, Bahamas |
Carrying value | [1] | $ 10,612 | $ 11,180
International [member] | The Bank of Nova Scotia Trust Company (Bahamas) Limited [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | The Bank of Nova Scotia Trust Company (Bahamas) Limited |
Principal office | [1] | Nassau, Bahamas |
International [member] | Scotiabank (Bahamas) Limited [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank (Bahamas) Limited |
Principal office | [1] | Nassau, Bahamas |
International [member] | Scotiabank & Trust (Cayman) Ltd. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank & Trust (Cayman) Ltd. |
Principal office | [1] | Grand Cayman, Cayman Islands |
International [member] | Grupo BNS de Costa Rica, S.A. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1],[2] | Grupo BNS de Costa Rica, S.A. |
Principal office | [1],[2] | San Jose, Costa Rica |
International [member] | Scotiabank (Ireland) Designated Activity Company [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank (Ireland) Designated Activity Company |
Principal office | [1] | Dublin, Ireland |
International [member] | Scotiabank Chile S.A. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Significant subsidiaries | [1] | Scotiabank Chile S.A. (99.79%) |
Principal office | [1] | Santiago, Chile |
[1] | The Bank (or immediate parent of an entity) owns 100% of the outstanding voting shares of each subsidiary unless otherwise noted.
[2] | In Q1 2025, the Bank entered into an agreement to sell its banking operations in Colombia, Costa Rica and Panama to Davivienda. The transaction was completed on December 1, 2025. Refer to Note 35 for details.
[3] | The Bank made a capital contribution to Scotiabank Colpatria S.A. in May 2025 which increased its ownership interest to 56.00% following the subsequent issuance of additional shares.

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