XML 66 R52.htm IDEA: XBRL DOCUMENT v3.25.1
Fair Value Measurement - Summary of Financial Instruments Carried On Consolidated Balance Sheet at Fair Value (Parenthetical) (Detail) - At fair value [member] - CAD ($)
$ in Millions
Apr. 30, 2025
Oct. 31, 2024
Disclosures Of Fair Value Hierarchy Of Financial Assets And Financial Liabilities [Line items]    
Deposits designated at FVTPL $ 39,043 $ 39,008
Derivative instrument liabilities 406 521
Other liabilities designated at FVTPL 11 19
Other financial liabilities measured at fair value $ 171 $ 158