Contingencies - APC Litigation (Details) - Alabama Department of Environmental Management (ADEM) - Alabama Power $ in Thousands |
Sep. 27, 2018
USD ($)
|
Mar. 02, 2018
generating_plant
|
|---|---|---|
| Schedule of Regulatory Assets and Liabilities [Line Items] | ||
| Penalty for unpermitted discharges | $ | $ 1,250 | |
| Number of generating plants with unpermitted discharges | generating_plant | 5 |