cm:Concept: us-gaap:PrepayableFinancialAssetClosedPortfolioLastOfLayerAmortizedCost
Prepayable Financial Asset Closed Portfolio, Last-of-Layer, Amortized Cost |
us-gaap:PrepayableFinancialAssetClosedPortfolioLastOfLayerAmortizedCost |
Amortized cost of closed portfolio of prepayable financial asset, used to designate hedging relationship in which hedged item is last layer expected to be remaining at end of hedging relationship. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Debit |
false |
us-gaap:PrepayableFinancialAssetClosedPortfolioLastOfLayerAmortizedCost |