Income Taxes (Schedule Of Income Tax Expenses From Continuing Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Federal	$ 32,387	$ (5,003)	$ 5,807
State	(3,091)	(8,995)	57,939
Total	29,296	(13,998)	63,746
Deferred and non-current -- net	(67,520)	205,891	(190,635)
Investment tax credit adjustments - net	(754)	(519)
Deferred Other Tax Expense (Benefit)			(5,383)
Income Tax Expense (Benefit)	(38,978)	191,374	(121,506)
Entergy Arkansas [Member]
Federal	8,015	(20,285)	(44,627)
State	(1,066)	529	(2,563)
Total	6,949	(19,756)	(47,190)
Deferred and non-current -- net	74,802	96,180	96,195
Investment tax credit adjustments - net	(855)	(1,229)	(1,228)
Income Tax Expense (Benefit)	80,896	75,195	47,777
Entergy Louisiana [Member]
Federal	(79,079)	(24,053)	62,728
State	(1,773)	2,459	4,457
Total	(80,852)	(21,594)	67,185
Deferred and non-current -- net	(77,223)	146,786	(444,647)
Investment tax credit adjustments - net	(4,778)	(4,783)	(4,862)
Income Tax Expense (Benefit)	(162,853)	120,409	(382,324)
Entergy Mississippi [Member]
Federal	9,242	(5,868)	(14,580)
State	(6,486)	(11,506)	(1,316)
Total	2,756	(17,374)	(15,896)
Deferred and non-current -- net	48,443	60,861	43,640
Investment tax credit adjustments - net			(554)
Deferred Other Tax Expense (Benefit)	(3,665)	(1,836)
Income Tax Expense (Benefit)	54,864	45,323	27,190
Entergy New Orleans [Member]
Federal	1,074	(6,724)	293
State	6,221	(413)	(303)
Total	7,295	(7,137)	(10)
Deferred and non-current -- net	16,814	12,870	(18,153)
Deferred Other Tax Expense (Benefit)	(168)	(203)	(13,956)
Income Tax Expense (Benefit)	24,277	5,936	(4,207)
Entergy Texas [Member]
Federal	37,471	(189)	(5,603)
State	2,260	1,261	2,658
Total	39,731	1,072	(2,945)
Deferred and non-current -- net	11,520	25,087	6,619
Investment tax credit adjustments - net	(630)	(633)	(632)
Income Tax Expense (Benefit)	50,621	25,526	3,042
System Energy [Member]
Federal	(11,720)	29,416	372,206
State	581	(10,258)	55,551
Total	(11,139)	19,158	427,757
Deferred and non-current -- net	(83,369)	(25,229)	(405,928)
Deferred Other Tax Expense (Benefit)	1,680	(4,094)	1,286
Income Tax Expense (Benefit)	$ (92,828)	$ (1,977)	$ 20,543