Business Combinations and Asset Acquisitions (Narrative) (Details) - Entergy Arkansas [Member] $ in Millions	1 Months Ended				3 Months Ended
	Nov. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)	Aug. 31, 2024 USD ($)	Feb. 29, 2024 USD ($)	Dec. 31, 2024 USD ($)	Aug. 31, 2022 MW	Sep. 30, 2020 MW	Jun. 30, 2020 MW
Walnut Bend Solar facility [Member]
Asset Acquisition [Line Items]
Generation Capacity | MW								100
Payments to Acquire Productive Assets		$ 16		$ 170
West Memphis Solar facility
Asset Acquisition [Line Items]
Generation Capacity | MW							180
Payments to Acquire Productive Assets			$ 48
West Memphis Solar facility | Subsequent Event [Member]
Asset Acquisition [Line Items]
Payments to Acquire Productive Assets	$ 200
Driver Solar facility
Asset Acquisition [Line Items]
Generation Capacity | MW						250
Payments to Acquire Productive Assets			$ 308
Driver Solar facility | Subsequent Event [Member]
Asset Acquisition [Line Items]
Payments to Acquire Productive Assets					$ 100