cm:Level3TextBlock: us-gaap:ScheduleOfDerivativeInstrumentsIncludedInTradingActivitiesTextBlock
Schedule of Derivative Instruments Included in Trading Activities [Table Text Block] |
us-gaap:ScheduleOfDerivativeInstrumentsIncludedInTradingActivitiesTextBlock |
Tabular disclosure of gains and losses on derivative instruments included in an entity's trading activities. |
cm:Level3TextBlock |
Text Block (HTML) (nonnum:textBlockItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:ScheduleOfDerivativeInstrumentsIncludedInTradingActivitiesTextBlock |