Basis of Presentation (Details) retail_customers in Thousands, mi² in Thousands, $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2024
USD ($)
mi²
retail_customers
|
Jun. 30, 2023
USD ($)
|
Jun. 30, 2024
USD ($)
mi²
retail_customers
|
Jun. 30, 2023
USD ($)
|
|
| Basis of Presentation [Abstract] | ||||
| Service Area Sq Miles | mi² | 4 | 4 | ||
| Incorporated Cities | 51 | 51 | ||
| Number of Retail Customers | retail_customers | 944 | 944 | ||
| Increase (Decrease) in Other Accounts Payable and Accrued Liabilities | $ 0 | $ (135) | ||
| Investment Income, Interest | $ 5 | $ 3 | $ 9 | $ 11 |