Details for Selection
| Standard label: | Cost of Worldwide Unregulated Electric |
| Name: | us-gaap:CostOfWorldwideUnregulatedElectric |
| Documentation: | Cost of electricity sold during the reporting period, operations of which is not regulated by federal or state agency. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |