cm:Concept: us-gaap:AdditionalCollateralAggregateFairValue
Additional Collateral, Aggregate Fair Value |
us-gaap:AdditionalCollateralAggregateFairValue |
The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Debit |
false |
us-gaap:AdditionalCollateralAggregateFairValue |