Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 39,040	$ (166,128)	$ 42,769	$ (162,460)
Other Comprehensive Income (Loss), Net of Tax	(3,729)	(3,668)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(3,729)	(3,668)
Other Comprehensive Income (Loss), Net of Tax	(3,729)	(3,668)
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	52,687	52,774	$ 53,658	$ 54,798
Other Comprehensive Income (Loss), Net of Tax	(971)	(2,024)
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(971)	(2,024)
Other Comprehensive Income (Loss), Net of Tax	$ (971)	$ (2,024)