cm:Concept: us-gaap:IncreaseDecreaseInRiskManagementAssetsAndLiabilities
Increase (Decrease) in Risk Management Assets and Liabilities |
us-gaap:IncreaseDecreaseInRiskManagementAssetsAndLiabilities |
Amount of increase (decrease) in fair value of financial instruments other than those that are purchased and held principally for the purpose of hedging or mitigating market risk, credit risk, legal risk, operational risk and other types of risk. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:IncreaseDecreaseInRiskManagementAssetsAndLiabilities |