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cm:Member: us-gaap:MarketValueGuaranteeMember
Standard label: Fair Value Guarantee [Member]
Name: us-gaap:MarketValueGuaranteeMember
Documentation: Guarantee of fair value of financial or nonfinancial asset owned by the guaranteed party.
Object type: cm:Member
Data type: [Member] (nonnum:domainItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: true
Workiva Wdesk Taxonomy Analyzer: us-gaap:MarketValueGuaranteeMember

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Labels
Label Role Language
Fair Value Guarantee [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 460 10 55 2 (b) http://fasb.org/us-gaap/role/ref/legacyRef 460
FASB Accounting Standards Codification 460 10 15 4 (a) http://fasb.org/us-gaap/role/ref/legacyRef 460