cm:Concept: us-gaap:IncreaseDecreaseInFairValueOfHedgedItemInPriceRiskFairValueHedge1
Increase (Decrease) in Fair Value of Hedged Item in Price Risk Fair Value Hedge |
us-gaap:IncreaseDecreaseInFairValueOfHedgedItemInPriceRiskFairValueHedge1 |
Amount of unrealized gain (loss) recognized in earnings related to the fair value of the hedged item in a price risk fair value hedge, offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:IncreaseDecreaseInFairValueOfHedgedItemInPriceRiskFairValueHedge1 |