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cm:Concept: us-gaap:EnergyRelatedInventoryGasStoredUnderground
Standard label: Energy Related Inventory, Gas Stored Underground
Name: us-gaap:EnergyRelatedInventoryGasStoredUnderground
Documentation: Carrying amount as of the balance sheet date of natural gas stored underground in depleted gas reservoirs, aquifers, or salt caverns to meet seasonal and peak load demands, and also as insurance against unforeseen supply disruptions, and deemed to be a current asset because it is expected to be used within twelve months or in the normal operating cycle.
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:EnergyRelatedInventoryGasStoredUnderground

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Labels
Label Role Language
Energy Related Inventory, Gas Stored Underground 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 210.5-02.6(a)) http://fasb.org/us-gaap/role/ref/legacyRef 210

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