v3.22.2.2
Structured Entities - Summary of Assets and Liabilities, Maximum Exposure to Loss Related to Interests in Unconsolidated Structured Entities (Parenthetical) (Detail) - CAD ($)
$ in Billions
Oct. 31, 2022
Oct. 31, 2021
Multi-seller conduits [member]    
Disclosure of Unconsolidated Structured Entities [Line Items]    
Financial assets purchased by conduits $ 32 $ 25