cm:Concept: us-gaap:HeldToMaturitySecuritiesTransferredToTradingSecuritiesUnrealizedGainLoss
Debt Securities, Held-to-maturity, Transfer to Trading, Unrealized Gain (Loss) |
us-gaap:HeldToMaturitySecuritiesTransferredToTradingSecuritiesUnrealizedGainLoss |
Amount of unrealized gain (loss) recognized in earnings from transfer of investment in debt security measured at amortized cost (held-to-maturity) to investment in debt security measured at fair value with change in fair value recognized in net income (trading). Includes other-than-temporary impairment (OTTI) previously recognized in other comprehensive income (OCI). |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
For Period (duration) |
Credit |
false |
us-gaap:HeldToMaturitySecuritiesTransferredToTradingSecuritiesUnrealizedGainLoss |