Retirement And Other Postretirement Benefits (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	$ 3,837	$ 5,248	$ 7,674	$ 10,496
Amortization of loss	(10,979)	(27,534)	(24,904)	(62,063)
Total	(7,687)	(28,329)	(18,557)	(57,610)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(545)	(6,043)	(1,327)	(6,043)
Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	1,158	1,230	2,316	2,460
Amortization of loss	(308)	(626)	(627)	(1,305)
Total	672	(796)	1,511	(245)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(178)	(1,400)	(178)	(1,400)
Pension Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0	0	0
Amortization of loss	(10,035)	(26,443)	(22,945)	(59,883)
Total	(10,213)	(32,486)	(23,123)	(65,926)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(178)	(6,043)	(178)	(6,043)
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	(493)	(716)	(997)	(1,484)
Total	(671)	(2,116)	(1,175)	(2,884)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(178)	(1,400)	(178)	(1,400)
Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	4,014	5,288	8,028	10,576
Amortization of loss	(596)	(496)	(1,192)	(990)
Total	3,418	4,792	6,836	9,586
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	2,316	2,460
Amortization of loss	186	91	372	182
Total	1,344	1,321	2,688	2,642
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)	(354)	(80)
Amortization of loss	(348)	(595)	(767)	(1,190)
Total	(892)	(635)	(2,270)	(1,270)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	(367)	0	(1,149)	0
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)	(2)	(3)
Total	(1)	(1)	(2)	(3)
Recognized Net Gain (Loss) Due To Settlements, Pre Tax	$ 0	$ 0	$ 0	$ 0