Equity (Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (193,019)		$ (324,038)	$ (336,578)	$ (193,019)	$ (324,038)	$ (191,754)	$ (332,528)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			8,453			20,293
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax			4,087			(11,803)
Other comprehensive income (loss)	(3,292)	$ 2,027	12,540	(4,050)	(1,265)	8,490
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss			1,223	(5,248)		1,223		7,154
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			2,370			5,843
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax			4,101			(11,774)
Other comprehensive income (loss)			6,471			(5,931)
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	(3,292)	2,027	12,540	(4,050)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(193,019)	(189,727)	(324,274)	(330,319)	(193,019)	(324,274)	(191,754)	(338,647)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(3,292)		6,045		(1,265)	14,373
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax			0			0
Other comprehensive income (loss)	(3,292)		6,045		(1,265)	14,373
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss			(987)	(1,011)		(987)		(1,035)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			38			77
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax			(14)			(29)
Other comprehensive income (loss)			24			48
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	52,811				52,811		55,370
Other comprehensive income (loss)	(1,773)	(786)	(491)	(613)	(2,559)	(1,104)
Entergy Louisiana [Member] | Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	(1,773)	(786)	(491)	(613)
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	52,811	$ 54,584	7,174	$ 7,665	52,811	7,174	$ 55,370	$ 8,278
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(1,773)		(491)		(2,559)	(1,104)
Other comprehensive income (loss)	$ (1,773)		$ (491)		$ (2,559)	$ (1,104)