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cm:Concept: us-gaap:IncreaseDecreaseInRiskManagementAssetsAndLiabilities
Standard label: Increase (Decrease) in Risk Management Assets and Liabilities
Name: us-gaap:IncreaseDecreaseInRiskManagementAssetsAndLiabilities
Documentation: Amount of increase (decrease) in fair value of financial instruments other than those that are purchased and held principally for the purpose of hedging or mitigating market risk, credit risk, legal risk, operational risk and other types of risk.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:IncreaseDecreaseInRiskManagementAssetsAndLiabilities

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Labels
Label Role Language
Increase (Decrease) in Risk Management Assets and Liabilities http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 230 10 45 28 (a) http://fasb.org/us-gaap/role/ref/legacyRef 230

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Roll Up Relations
Part Of Roll Up:
us-gaap:IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities