cm:Concept: us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGrossIncurredLoss1
Liability for Asbestos and Environmental Claims, Gross, Incurred Loss |
us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGrossIncurredLoss1 |
Amount, before effects of reinsurance, of expense for claims incurred and costs incurred in the claim settlement process attributable to asbestos and environmental claims. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Debit |
false |
us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGrossIncurredLoss1 |