| Name | PublicUtilitiesPolicyTextBlock |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | dtr-types:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Public Utilities, Policy [Policy Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DiscontinuanceOfCertainRegulatoryReportingPractices | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:RegulatoryAssetsAndLiabilitiesRecognitionCriteria | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:RegulatoryDepreciationAndAmortizationPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:PlantConstructionUsingIntermediaryPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:AllowanceForFundsUsedDuringConstructionPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:PlantRetirementAndAbandonmentPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:CapitalizationAndAmortizationOfFuelCostsPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:UtilityRevenueAndExpenseRecognitionPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:RegulatoryIncomeTaxesPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:RegulatoryEnvironmentalCostsPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:RevenueRecognitionForAlternativeRevenueProgramsPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:OutageCostsPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:EmissionCreditsOrAllowancesPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:IntercompanyProfitToRegulatedAffiliatesPolicy | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:PolicyTextBlockAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList | |
us-gaap:IndustrySpecificPoliciesAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies |