*

cm:Concept: us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
Standard label: Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits
Name: us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
Documentation: Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

*

Labels
Label Role Language
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits http://www.xbrl.org/2003/role/label en-US

*

References
Reference Role Topic
FASB Accounting Standards Codification 740 10 50 6 http://fasb.org/us-gaap/role/ref/legacyRef 740

*

Roll Up Relations
Part Of Roll Up:
us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits