Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 34,438	$ 39,040	$ 80,361	$ (166,128)	$ 34,438	$ 80,361	$ 42,769	$ (162,460)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(4,602)		246,489		(8,331)	242,821
Other Comprehensive Income (Loss), Net of Tax	(4,602)	(3,729)	246,489	(3,668)	(8,331)	242,821
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	50,555	52,687	50,751	52,774	50,555	50,751	$ 53,658	$ 54,798
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(2,132)		(2,023)		(3,103)	(4,047)
Other Comprehensive Income (Loss), Net of Tax	$ (2,132)	$ (971)	$ (2,023)	$ (2,024)	$ (3,103)	$ (4,047)