| Standard label: | Demand Side Management Program Costs, Noncurrent |
| Name: | us-gaap:DemandSideManagementProgramCostsNoncurrent |
| Documentation: | Carrying amount as of the balance sheet date of capitalized costs of a regulated entity, consisting of the planning, implementing, and monitoring activities which are designed to encourage consumers to modify their level and pattern of energy usage, which are expected to be recoverable through rate adjustments after one year or beyond the normal operating cycle, if longer. |
| 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:DemandSideManagementProgramCostsNoncurrent |
| Label | Role | Language |
| Demand Side Management Program Costs, Noncurrent | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.17) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 980 340 25 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 980 |
| Part Of Roll Up: |
| us-gaap:RegulatedEntityOtherAssetsNoncurrent |