Retirement And Other Postretirement Benefits (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	$ 3,837	$ 5,248	$ 11,511	$ 15,744
Amortization of loss	(4,870)	(13,490)	(29,774)	(75,553)
Total	(15,372)	(11,434)	(33,929)	(69,044)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(14,339)	(3,192)	(15,666)	(9,235)
Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	1,158	1,230	3,474	3,690
Amortization of loss	(222)	(519)	(849)	(1,824)
Total	(404)	177	1,107	(68)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(1,340)	(534)	(1,518)	(1,934)
Pension Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0	0	0
Amortization of loss	(3,976)	(12,439)	(26,921)	(72,322)
Total	(18,239)	(15,170)	(41,362)	(81,096)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(14,263)	(2,731)	(14,441)	(8,774)
Pension Plans Defined Benefit [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0	0	0
Amortization of loss	(407)	(609)	(1,404)	(2,093)
Total	(1,747)	(1,137)	(2,922)	(4,021)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(1,340)	(528)	(1,518)	(1,928)
Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	4,014	5,288	12,042	15,864
Amortization of loss	(596)	(496)	(1,788)	(1,486)
Total	3,418	4,792	10,254	14,378
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	0	0	0	0
Other Postretirement [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	1,158	1,230	3,474	3,690
Amortization of loss	186	91	558	273
Total	1,344	1,321	4,032	3,963
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	0	0	0	0
Non Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	(177)	(40)	(531)	(120)
Amortization of loss	(298)	(555)	(1,065)	(1,745)
Total	(551)	(1,056)	(2,821)	(2,326)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(76)	(461)	(1,225)	(461)
Non Qualified Pension Plans [Member] | Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0	0	0
Amortization of loss	(1)	(1)	(3)	(4)
Total	(1)	(7)	(3)	(10)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	$ 0	$ (6)	$ 0	$ (6)