v3.26.1
Deposits - Summary of Deposits (Parenthetical) (Detail) - CAD ($)
$ in Millions
Jul. 31, 2026
Apr. 30, 2026
Oct. 31, 2025
Disclosure Of Deposits [line Items]      
Deposits [1] $ 1,006,015 $ 981,489 $ 966,279
U.S. dollar [member]      
Disclosure Of Deposits [line Items]      
Deposits 329,956 317,453 297,065
Chile, Pesos [member]      
Disclosure Of Deposits [line Items]      
Deposits 21,091 20,300 20,053
Mexico, Pesos [member]      
Disclosure Of Deposits [line Items]      
Deposits 38,592 36,731 35,941
Other Foreign Currencies [member]      
Disclosure Of Deposits [line Items]      
Deposits $ 110,620 $ 109,608 $ 117,530
[1] Deposits denominated in U.S. dollars amount to $329,956 (April 30, 2026 – $317,453 ; October 31, 2025 – $297,065), deposits denominated in Chilean pesos amount to $21,091 (April 30, 2026 – $20,300; October 31, 2025 – $20,053), deposits denominated in Mexican pesos amount to $38,592 (April 30, 2026 – $36,731; October 31, 2025 – $35,941) and deposits denominated in other foreign currencies amount to $110,620 (April 30, 2026 – $109,608; October 31, 2025 – $117,530).