Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (166,128)		$ (162,460)
Other Comprehensive Income (Loss), Net of Tax	(3,668)	$ 2,027
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(166,128)	(189,727)	(162,460)	$ (191,754)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(3,668)	2,027
Other Comprehensive Income (Loss), Net of Tax	(3,668)	2,027
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	52,774		54,798
Other Comprehensive Income (Loss), Net of Tax	(2,024)	(786)
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	52,774	54,584	$ 54,798	$ 55,370
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(2,024)	(786)
Other Comprehensive Income (Loss), Net of Tax	$ (2,024)	$ (786)