cm:Concept: us-gaap:ClosedBlockDividendObligationIncreaseDecreaseForEffectOfOperatingResults
Closed Block Dividend Obligation, Increase (Decrease) for Effect of Operating Results |
us-gaap:ClosedBlockDividendObligationIncreaseDecreaseForEffectOfOperatingResults |
Amount of increase (decrease) in the closed block dividend obligation from the effect on dividends to policyholders on the net results of operations for the period of the closed block. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:ClosedBlockDividendObligationIncreaseDecreaseForEffectOfOperatingResults |