Regulatory Matters - Requested Recovery of Proposed Increases (Details) - GEORGIA POWER CO $ in Millions |
Jun. 30, 2019
USD ($)
|
|---|---|
| Public Utilities, General Disclosures [Line Items] | |
| 2020 | $ 563 |
| 2021 | 145 |
| 2022 | 234 |
| Levelized | |
| Public Utilities, General Disclosures [Line Items] | |
| 2020 | 209 |
| 2021 | 0 |
| 2022 | 0 |
| CCR ARO | |
| Public Utilities, General Disclosures [Line Items] | |
| 2020 | 158 |
| 2021 | 140 |
| 2022 | 227 |
| Environmental Compliance Cost Recovery | |
| Public Utilities, General Disclosures [Line Items] | |
| 2020 | 165 |
| 2021 | 0 |
| 2022 | 0 |
| Demand-Side Management | |
| Public Utilities, General Disclosures [Line Items] | |
| 2020 | 14 |
| 2021 | 2 |
| 2022 | 1 |
| Municipal Franchise Fee | |
| Public Utilities, General Disclosures [Line Items] | |
| 2020 | 17 |
| 2021 | 3 |
| 2022 | $ 5 |