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cm:Level1TextBlock: us-gaap:SegmentReportingDisclosureTextBlock
Standard label: Segment Reporting Disclosure [Text Block]
Name: us-gaap:SegmentReportingDisclosureTextBlock
Documentation: The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.
Object type: cm:Level1TextBlock
Data type: Text Block (HTML) (nonnum:textBlockItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:SegmentReportingDisclosureTextBlock
Examples of this text block disclosure: SegmentReportingDisclosure

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Labels
Label Role Language
Segment Reporting Disclosure [Text Block] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 280 http://fasb.org/us-gaap/role/ref/legacyRef 280