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cm:Concept: us-gaap:RefundableGasCosts
Standard label: Refundable Gas Costs
Name: us-gaap:RefundableGasCosts
Documentation: Gas costs of a regulated entity that are refundable through future rate adjustments. Such costs are a form of a regulatory liabilities and are expected to be refunded in less than one year through rate adjustments.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: As Of (instant)
Balance type: Credit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:RefundableGasCosts

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Labels
Label Role Language
Refundable Gas Costs http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.20) http://fasb.org/us-gaap/role/ref/legacyRef 210
FASB Accounting Standards Codification 980 405 25 1 (b) http://fasb.org/us-gaap/role/ref/legacyRef 980