cm:Level2TextBlock: us-gaap:InProcessResearchAndDevelopmentPolicy
| In Process Research and Development, Policy [Policy Text Block] |
| us-gaap:InProcessResearchAndDevelopmentPolicy |
| Disclosure of accounting policy for costs assigned to identifiable tangible and intangible assets of an acquired entity to be used in the research and development activities of the combined enterprise. An entity also may disclose the appraisal method or significant assumptions used to value acquired research and development assets. |
| cm:Level2TextBlock |
| Text Block (HTML) (nonnum:textBlockItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:InProcessResearchAndDevelopmentPolicy |