Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 76,185						$ 76,185		$ (162,460)
Other Comprehensive Income (Loss), Net of Tax	(4,176)	$ 246,489	$ (3,668)	$ (2,434)	$ (3,292)	$ 2,027	238,645	$ (3,699)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	76,185	80,361		(195,453)	(193,019)		76,185	(195,453)	(162,460)	$ (191,754)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(4,176)			(2,434)			238,645	(3,699)
Other Comprehensive Income (Loss), Net of Tax	(4,176)			(2,434)			238,645	(3,699)
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	48,727						48,727		54,798
Other Comprehensive Income (Loss), Net of Tax	(2,024)	(2,023)	$ (2,024)	(1,829)	(1,773)	$ (786)	(6,071)	(4,388)
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	48,727	$ 50,751		50,982	$ 52,811		48,727	50,982	$ 54,798	$ 55,370
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(2,024)			(1,829)			(6,071)	(4,388)
Other Comprehensive Income (Loss), Net of Tax	$ (2,024)			$ (1,829)			$ (6,071)	$ (4,388)