cm:Concept: us-gaap:AdditionalLiabilityLongDurationInsuranceOriginalDiscountRateBeforeReinsuranceAfterCashFlowChange
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Reinsurance, after Cash Flow Change |
us-gaap:AdditionalLiabilityLongDurationInsuranceOriginalDiscountRateBeforeReinsuranceAfterCashFlowChange |
Amount, before effect of reinsurance and after current period update of cash flow assumption, of present value of total expected payment to policyholder in excess of present value of total expected assessment, discounted at original rate. Excludes benefit classified as market risk benefit or under provisions of Topic 815 on derivative and hedging. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Credit |
false |
us-gaap:AdditionalLiabilityLongDurationInsuranceOriginalDiscountRateBeforeReinsuranceAfterCashFlowChange |
Labels
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Reinsurance, after Cash Flow Change |
http://www.xbrl.org/2003/role/label |
en-US |
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Reinsurance, after Cash Flow Change, Ending Balance |
http://www.xbrl.org/2003/role/periodEndLabel |
en-US |
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Reinsurance, after Cash Flow Change, Beginning Balance |
http://www.xbrl.org/2003/role/periodStartLabel |
en-US |