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cm:Member: us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
Standard label: Property, Liability and Casualty Insurance Product Line [Member]
Name: us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
Documentation: Contract providing insurance coverage against property-related loss. Includes, but is not limited to, damage, theft, or legal liability for personal injury.
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:PropertyLiabilityAndCasualtyInsuranceSegmentMember

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Labels
Label Role Language
Property, Liability and Casualty Insurance Product Line [Member] http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 944 235 S99 2 http://www.xbrl.org/2003/role/disclosureRef 944
FASB Accounting Standards Codification 944 40 55 9C (a) http://www.xbrl.org/2009/role/commonPracticeRef 944