| Name | PaymentsForProceedsFromNuclearFuel |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| 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 |
|---|---|---|---|
| Payments for (Proceeds from) Nuclear Fuel | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Payments for (Proceeds from) Nuclear Fuel, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The net cash inflow or outflow from any material that is commonly used in the generation of nuclear energy. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Note | When element is used in Statement of Cash Flows, gross payments and gross proceeds are also expected to be disclosed. | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| PublishDate | 2018-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Cash Flows | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-08 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 235 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 10 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | S99 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 3 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (SX 210.12-04(a)) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ProceedsFromNuclearFuel | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect | |
us-gaap:PaymentsForNuclearFuel | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:PaymentsForProceedsFromNuclearFuelAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect | |
us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect | |
us-gaap:PaymentsForProceedsFromNuclearFuelAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable |