cm:Concept: us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments |
us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1 |
Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1 |