*

cm:Concept: us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
Standard label: Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation
Name: us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
Documentation: Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation

*

Labels
Label Role Language
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation http://www.xbrl.org/2003/role/label en-US

*

References
Reference Role Topic
FASB Accounting Standards Codification 715 20 50 1 (m) http://fasb.org/us-gaap/role/ref/legacyRef 715