*

cm:Concept: us-gaap:AccrualForEnvironmentalLossContingenciesSignificantAssumptions
Standard label: Accrual for Environmental Loss Contingencies, Significant Assumptions
Name: us-gaap:AccrualForEnvironmentalLossContingenciesSignificantAssumptions
Documentation: Significant assumptions underlying the estimate of the environmental loss contingencies accrual, which represents costs to remediate environmental problems.
Object type: cm:Concept
Data type: Text/String (xbrli:stringItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:AccrualForEnvironmentalLossContingenciesSignificantAssumptions

*

Labels
Label Role Language
Accrual for Environmental Loss Contingencies, Significant Assumptions http://www.xbrl.org/2003/role/label en-US

*

References
Reference Role Topic
FASB Accounting Standards Codification 450 20 S99 1 (SAB Topic 5.Y.Q2) http://fasb.org/us-gaap/role/ref/legacyRef 450