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cm:Concept: us-gaap:NetAmountAtRiskByProductAndGuaranteeNetAmountAtRisk
Standard label: Net Amount at Risk by Product and Guarantee, Net Amount at Risk
Name: us-gaap:NetAmountAtRiskByProductAndGuaranteeNetAmountAtRisk
Documentation: Net amount at risk, representing the guaranteed benefit in excess of the current account balance corresponding to the specified product, guarantee type and subset of the guarantee.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:NetAmountAtRiskByProductAndGuaranteeNetAmountAtRisk

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Labels
Label Role Language
Net Amount at Risk by Product and Guarantee, Net Amount at Risk http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 944 20 55 15 http://fasb.org/us-gaap/role/ref/legacyRef 944
FASB Accounting Standards Codification 944 80 50 1 (d)(3),(5) http://fasb.org/us-gaap/role/ref/legacyRef 944