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cm:Concept: us-gaap:FinancialInstrumentsOwnedDerivativesAndOtherContractualAgreementsAtFairValue
Standard label: Financial Instruments, Owned, Derivatives and Other Contractual Agreements, at Fair Value
Name: us-gaap:FinancialInstrumentsOwnedDerivativesAndOtherContractualAgreementsAtFairValue
Documentation: The fair value as of the balance sheet date of firm holdings in all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments. Their value is derived from the values of one or more underlying assets, reference rates, or indices of asset values. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:FinancialInstrumentsOwnedDerivativesAndOtherContractualAgreementsAtFairValue

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Labels
Label Role Language
Financial Instruments, Owned, Derivatives and Other Contractual Agreements, at Fair Value http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 815 10 50 4B c http://fasb.org/us-gaap/role/ref/legacyRef 815