cm:Concept: us-gaap:DebtSecuritiesTradingAndAvailableForSale
Debt Securities, Trading and Available-for-sale |
us-gaap:DebtSecuritiesTradingAndAvailableForSale |
Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Debit |
false |
us-gaap:DebtSecuritiesTradingAndAvailableForSale |