Details for Selection
| Standard label: | Cost of Transmission |
| Name: | us-gaap:CostOfTransmission |
| Documentation: | Cost incurred for transmission operations and maintenance by total kilowatt-hours paid to sources. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |