cm:Level3TextBlock: us-gaap:ScheduleOfActivityInAffordableHousingProgramObligationTableTextBlock
Activity in Affordable Housing Program Obligation [Table Text Block] |
us-gaap:ScheduleOfActivityInAffordableHousingProgramObligationTableTextBlock |
Tabular disclosure of the activity in the Affordable Housing Program (AHP) obligation. |
cm:Level3TextBlock |
Text Block (HTML) (nonnum:textBlockItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:ScheduleOfActivityInAffordableHousingProgramObligationTableTextBlock |