v3.26.1
Investments in Associates - Summary of Significant Investments in Associates (Detail) - CAD ($)
$ in Millions
 6 Months Ended
Apr. 30, 2026
Jan. 31, 2026
Oct. 31, 2025
KeyCorp [member]      
Disclosure of associates [line items]      
Country of incorporation [1] United States    
Nature of business [1] Banking    
Ownership percentage [1] 14.90%    
Date of financial statements [1],[2] Mar. 31, 2026    
Carrying value [1] $ 4,277 $ 4,338 $ 4,379
Davivienda Group S.A. [member]      
Disclosure of associates [line items]      
Country of incorporation [3] Colombia    
Nature of business [3] Banking    
Ownership percentage [3] 20.30%    
Date of financial statements [2],[3] Dec. 31, 2025    
Carrying value [3] $ 1,425 1,374  
Bank of Xi'an Co. Ltd [member]      
Disclosure of associates [line items]      
Country of incorporation [4] China    
Nature of business [4] Banking    
Ownership percentage [4] 18.10%    
Date of financial statements [2],[4] Mar. 31, 2026    
Carrying value [4] $ 786 727 729
Maduro & Curiel's Bank N.V. [member]      
Disclosure of associates [line items]      
Country of incorporation [5] Curacao    
Nature of business [5] Banking    
Ownership percentage [5] 48.10%    
Date of financial statements [2],[5] Mar. 31, 2026    
Carrying value [5] $ 575 $ 562 $ 570
[1] Based on the quoted price on the New York Stock Exchange, the market value of the Bank’s Investment in KeyCorp was $4,793 (January 31, 2026 – $4,742; October 31, 2025 – $4,018). The Bank has significant influence over KeyCorp through a combination of its ownership interest and board representation. During the period, dividends received from KeyCorp of $46 were recognized as a reduction in the carrying value of the investment in associate.
[2] Represents the date of the most recent financial statements.
[3] On December 1, 2025, the Bank completed the sale of its banking operations in Colombia, Costa Rica and Panama to Davivienda Group S.A. in exchange for 20.3% ownership interest in the combined Davivienda Group S.A. The Bank’s ownership consists of 14.99% voting common shares and the remainder in non-voting preferred shares. There is no quoted market price for the common shares. Following the closing, the investment was recognized at a fair value of $1,370 million as the Bank has significant influence over Davivienda Group S.A. given its board representation and ownership interest. Refer to Note 19 for further details.
[4] Based on the quoted price on the Shanghai Stock Exchange, the Bank’s Investment in Bank of Xi’an Co. Ltd. was $591 (January 31, 2026 – $591; October 31, 2025 – $617). The Bank has significant influence over the Bank of Xi’an Co. Ltd. through a combination of its ownership interest and board representation.
[5] 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 April 30, 2026, these reserves amounted to $77 (January 31, 2026 - $76; October 31, 2025 – $76).