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cm:Concept: us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent
Standard label: Liability, Other Postretirement Defined Benefit Plan
Name: us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent
Documentation: Amount of liability, recognized in statement of financial position, for defined benefit other postretirement plan. Excludes pension plan.
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:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent

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Labels
Label Role Language
Liability, Other Postretirement Defined Benefit Plan http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 715 20 50 1 (c) http://fasb.org/us-gaap/role/ref/legacyRef 715
FASB Accounting Standards Codification 715 20 45 2 http://fasb.org/us-gaap/role/ref/legacyRef 715
FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03(15)) http://fasb.org/us-gaap/role/ref/legacyRef 942
FASB Accounting Standards Codification 944 210 S99 1 (SX 210.7-03(a)(15)) http://fasb.org/us-gaap/role/ref/legacyRef 944