Common Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ (236,905)	$ 7,110
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(31,676)	36,404
Other Comprehensive Income (Loss), Net of Tax, Total	205,229	29,294	$ 140,774
Accumulated Other Comprehensive Income (Loss), Net of Tax	42,769	(162,460)	(191,754)
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	8,093	6,175
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	6,953	5,603
Other Comprehensive Income (Loss), Net of Tax, Total	(1,140)	(572)	47,092
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 53,658	$ 54,798	$ 55,370