cm:Concept: us-gaap:NetAmountAtRiskByProductAndGuaranteeNetAmountAtRisk
Net Amount at Risk by Product and Guarantee, Net Amount at Risk |
us-gaap:NetAmountAtRiskByProductAndGuaranteeNetAmountAtRisk |
Net amount at risk, representing the guaranteed benefit in excess of the current account balance corresponding to the specified product, guarantee type and subset of the guarantee. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Credit |
false |
us-gaap:NetAmountAtRiskByProductAndGuaranteeNetAmountAtRisk |