v3.26.1
Deposits - Summary of Deposits (Parenthetical) (Detail) - CAD ($)
$ in Millions
Apr. 30, 2026
Jan. 31, 2026
Oct. 31, 2025
Disclosure Of Deposits [line Items]      
Deposits [1] $ 981,489 $ 971,682 $ 966,279
U.S. dollar [member]      
Disclosure Of Deposits [line Items]      
Deposits 317,453 310,021 297,065
Chile, Pesos [member]      
Disclosure Of Deposits [line Items]      
Deposits 20,300 20,881 20,053
Mexico, Pesos [member]      
Disclosure Of Deposits [line Items]      
Deposits 36,731 35,542 35,941
Other Foreign Currencies [member]      
Disclosure Of Deposits [line Items]      
Deposits $ 109,608 $ 110,665 $ 117,530
[1] Deposits denominated in U.S. dollars amount to $317,453 (January 31, 2026 – $310,021 ; October 31, 2025 – $297,065), deposits denominated in Chilean pesos amount to $20,300 (January 31, 2026 – $20,881; October 31, 2025 – $20,053), deposits denominated in Mexican pesos amount to $36,731 (January 31, 2026 – $35,542; October 31, 2025 – $35,941) and deposits denominated in other foreign currencies amount to $109,608 (January 31, 2026 – $110,665; October 31, 2025 – $117,530).