Derivative financial instruments and hedging activities - Summary of Fair Value Hedges - Assets and Liabilities Designated as hedged Items (Parenthetical) (Detail) - CAD ($) $ in Millions |
Oct. 31, 2024 |
Oct. 31, 2023 |
|---|---|---|
| Fair value hedge, Hedged items - Fixed rate assets [member] | ||
| Disclosure of detailed information about hedged items [line items] | ||
| Accumulated amount of fair value hedge adjustments on hedged items ceased to be adjusted for hedging gains/losses | $ 238 | $ 539 |
| Fair value hedge, Hedged items - Fixed rate liabilities [member] | ||
| Disclosure of detailed information about hedged items [line items] | ||
| Accumulated amount of fair value hedge adjustments on hedged items ceased to be adjusted for hedging gains/losses | $ 118 | $ 259 |