Regulatory Matters - APC Rate ECR (Details) - Alabama Power $ in Millions			1 Months Ended
	Jul. 12, 2022 USD ($) $ / KWH_Kilowatt_hour	Jul. 11, 2022 $ / KWH_Kilowatt_hour	Jan. 31, 2025 $ / KWH_Kilowatt_hour
Subsequent Event
Schedule of Regulatory Assets and Liabilities [Line Items]
Current billing rates under rate ECR (usd per KWH)	2.557	1.96
Current billing rates under rate ECR, amount | $	$ 310
Scenario, Forecast
Schedule of Regulatory Assets and Liabilities [Line Items]
Current billing rates under rate ECR (usd per KWH)			5.91