| Name | PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2008 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 980 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 835 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 45 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 980 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 835 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 25 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:NonoperatingIncomeExpense | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome | |
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionNetIncreaseAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/RegulatedOperations |