cm:Concept: us-gaap:DescriptionOfTypesOfProductsAndServicesFromWhichEachReportableSegmentDerivesItsRevenues
Segment Reporting Information, Description of Products and Services |
us-gaap:DescriptionOfTypesOfProductsAndServicesFromWhichEachReportableSegmentDerivesItsRevenues |
Description of the types of products and services from which the reportable segment derives its revenue. |
cm:Concept |
Text/String (xbrli:stringItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:DescriptionOfTypesOfProductsAndServicesFromWhichEachReportableSegmentDerivesItsRevenues |