Equity (Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (313,370)	$ (324,038)		$ (472,039)	$ (478,739)		$ (313,370)	$ (472,039)	$ (332,528)	$ (449,207)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	11,905			8,887			32,197	22,540
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(1,237)			(2,187)			(13,039)	(45,372)
Other comprehensive income (loss)	10,668	12,540	$ (4,050)	6,700	21,768	$ (51,300)	19,158	(22,832)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	0	1,223		9,693	11,855		0	9,693	7,154	56,650
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0			11			5,843	(131)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(1,223)			(2,173)			(12,997)	(46,826)
Other comprehensive income (loss)	(1,223)			(2,162)			(7,154)	(46,957)
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	10,668	12,540	(4,050)	6,700	21,768	(51,300)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(312,407)	(324,274)		(480,673)	(489,511)		(312,407)	(480,673)	(338,647)	(534,576)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	11,867			8,838			26,240	53,903
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0			0			0	0
Other comprehensive income (loss)	11,867			8,838			26,240	53,903
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(963)	(987)		(1,059)	(1,083)		(963)	(1,059)	(1,035)	28,719
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	38			38			114	(31,232)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(14)			(14)			(42)	1,454
Other comprehensive income (loss)	24			24			72	(29,778)
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	7,469						7,469		8,278
Other comprehensive income (loss)	295	(491)	(613)	(131)	588	(407)	(809)	50
Entergy Louisiana [Member] | Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	295	(491)	$ (613)	(131)	588	$ (407)
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	7,469	$ 7,174		4,377	$ 4,508		7,469	4,377	$ 8,278	$ 4,327
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	295			(131)			(809)	50
Other comprehensive income (loss)	$ 295			$ (131)			$ (809)	$ 50