cm:Concept: us-gaap:AssetsDisposedOfByMethodOtherThanSaleInPeriodOfDispositionGainLossOnDisposition1
Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition |
us-gaap:AssetsDisposedOfByMethodOtherThanSaleInPeriodOfDispositionGainLossOnDisposition1 |
Amount of gain (loss) from the disposal of an asset through means other than sale, for example, but not limited to, abandonment, spin-off, and expropriation. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:AssetsDisposedOfByMethodOtherThanSaleInPeriodOfDispositionGainLossOnDisposition1 |