cm:Member: us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember
Commercial Paper, Not Included with Cash and Cash Equivalents [Member] |
us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember |
Unsecured promissory note (generally negotiable) that provides institutions with short-term funds that is excluded from cash and cash equivalents. |
cm:Member |
[Member] (nonnum:domainItemType) |
For Period (duration) |
(no balance type) |
true |
us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember |