cm:Concept: us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet
Available-for-sale Securities, Gross Realized Gain (Loss) |
us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet |
This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet |