cm:Concept: us-gaap:IndefiniteLivedIntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit
Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit |
us-gaap:IndefiniteLivedIntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit |
Amount of divestiture of an asset lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:IndefiniteLivedIntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit |