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cm:Member: us-gaap:ExternalCreditRatingNonInvestmentGradeMember
Standard label: External Credit Rating, Non Investment Grade [Member]
Name: us-gaap:ExternalCreditRatingNonInvestmentGradeMember
Documentation: External credit-rating that could be used to describe the current status of the payment and performance risk of credit derivatives and guarantee obligations that connote non-investment grade.
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:ExternalCreditRatingNonInvestmentGradeMember

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Labels
Label Role Language
External Credit Rating, Non Investment Grade [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 460 10 50 4 (a) http://fasb.org/us-gaap/role/ref/legacyRef 460
FASB Accounting Standards Codification 815 10 50 4K (a) http://fasb.org/us-gaap/role/ref/legacyRef 815