cm:Member: us-gaap:FairValueOptionElectionForVariableInterestEntityMember
Fair Value Option Election for Variable Interest Entity [Member] |
us-gaap:FairValueOptionElectionForVariableInterestEntityMember |
Related effect on line items in the statement of financial position from the cumulative-effect adjustment to retained earnings as a result of electing the fair value option for a variable interest entity or a group of variable interest entities. |
cm:Member |
[Member] (nonnum:domainItemType) |
For Period (duration) |
(no balance type) |
true |
us-gaap:FairValueOptionElectionForVariableInterestEntityMember |