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Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Net Benefit Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 10,919	$ 12,503	$ 14,654
Defined Benefit Plan, Interest Cost	38,273	39,408	42,272
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(40,079)	(42,277)	(36,732)
Defined Benefit Plan, Amortization of Gain (Loss)	(15,099)	(11,045)	(11,446)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(2,958)	0	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment	(2,202)	0	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	(20,279)	(24,291)	(13,810)
Defined Benefit Plan, Changes in	0	0	(4,434)
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	(44,287)	73,123	44,441
Defined Benefit Plan, Amortization of Prior Service Credit, Reclassification from Regulatory Asset and/or AOCI, before tax	22,763	22,880	22,558
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	15,099	11,045	11,446
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	87,309	(39,198)	(14,871)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	67,030	(63,489)	(28,681)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(22,763)	(22,880)	(22,558)
Defined Benefit Plan, Other Cost (Credit)	13,630	0	0
Defined Benefit Plan, Acceleration of prior service credit due to curtailment, Reclassification from Regulatory Asset and/or AOCI, before tax	2,202	0	0
Defined Benefit Plan, Settlement Credit (Cost), Reclassification from Regulatory Asset and/or AOCI, before tax	2,958	0	0
Pension Plan [Member] | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	94,143	93,468	101,182
Defined Benefit Plan, Interest Cost	235,650	249,757	298,281
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(301,327)	(338,619)	(388,030)
Defined Benefit Plan, Amortization of Gain (Loss)	52,791	58,590	81,919
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(23,874)	(328,277)	(160,387)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	99,251	391,473	253,739
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	85,196	101,445	213,636
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	(52,791)	(58,590)	(81,919)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement Charge, Reclassification Adjustment from AOCI, before Tax	(23,874)	(328,277)	(160,387)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(161,861)	(488,312)	(455,942)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(62,610)	(96,839)	(202,203)
Defined Benefit Plan, Other Cost (Credit)	(5,880)	0	0
Pension Plan [Member] | Nonqualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	3,800	1,500	27,900
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	13,500	12,200	43,800
Entergy Arkansas [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	2,286	2,569	2,965
Defined Benefit Plan, Interest Cost	7,099	7,331	8,002
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(16,901)	(17,535)	(15,113)
Defined Benefit Plan, Amortization of Gain (Loss)	(1,412)	0	171
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	(6,831)	(5,538)	(1,879)
Defined Benefit Plan, Changes in			0
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	2,921	20,074	23,033
Defined Benefit Plan, Amortization of Prior Service Credit, Reclassification from Regulatory Asset and/or AOCI, before tax	(2,097)	(2,097)	(2,096)
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	1,412	0	(171)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(3,606)	(22,171)	(25,300)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(10,437)	(27,709)	(27,179)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	2,097	2,097	2,096
Defined Benefit Plan, Other Cost (Credit)	0
Defined Benefit Plan, Acceleration of prior service credit due to curtailment, Reclassification from Regulatory Asset and/or AOCI, before tax	0
Defined Benefit Plan, Settlement Credit (Cost), Reclassification from Regulatory Asset and/or AOCI, before tax	0
Entergy Arkansas [Member] | Pension Plan [Member] | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	17,624	16,398	18,461
Defined Benefit Plan, Interest Cost	54,788	52,870	56,026
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(70,933)	(72,620)	(70,574)
Defined Benefit Plan, Amortization of Gain (Loss)	17,923	22,983	19,400
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(1,454)	0	(26,137)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	20,856	19,631	49,450
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	34,076	49,352	30,674
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	(17,923)	(22,983)	(19,400)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement Charge, Reclassification Adjustment from AOCI, before Tax	(1,454)	0	(26,137)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(53,453)	(72,335)	(76,211)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(32,597)	(52,704)	(26,761)
Defined Benefit Plan, Other Cost (Credit)	0
Entergy Arkansas [Member] | Pension Plan [Member] | Nonqualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement			379
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	184	269	637
Entergy Louisiana [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	2,606	2,800	3,379
Defined Benefit Plan, Interest Cost	7,888	7,995	8,931
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	0	0	0
Defined Benefit Plan, Amortization of Gain (Loss)	(6,622)	(6,952)	(7,057)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(1,014)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment	(1,094)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	(5,612)	(701)	1,449
Defined Benefit Plan, Changes in			(4,434)
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	(22,730)	7,273	458
Defined Benefit Plan, Amortization of Prior Service Credit, Reclassification from Regulatory Asset and/or AOCI, before tax	4,545	4,544	3,804
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	6,622	6,952	7,057
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	36,005	4,223	5,969
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	30,393	3,522	7,418
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(4,545)	(4,544)	(3,804)
Defined Benefit Plan, Other Cost (Credit)	(2,831)
Defined Benefit Plan, Acceleration of prior service credit due to curtailment, Reclassification from Regulatory Asset and/or AOCI, before tax	1,094
Defined Benefit Plan, Settlement Credit (Cost), Reclassification from Regulatory Asset and/or AOCI, before tax	1,014
Entergy Louisiana [Member] | Pension Plan [Member] | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	21,714	22,204	24,716
Defined Benefit Plan, Interest Cost	58,102	55,843	60,346
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(75,755)	(77,786)	(75,757)
Defined Benefit Plan, Amortization of Gain (Loss)	9,270	10,407	19,797
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(5,982)	0	(40,437)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	16,905	10,668	69,539
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	48,025	55,010	71,016
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	(9,270)	(10,407)	(19,797)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement Charge, Reclassification Adjustment from AOCI, before Tax	(5,982)	0	(40,437)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(63,277)	(65,417)	(131,250)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(46,372)	(54,749)	(61,711)
Defined Benefit Plan, Other Cost (Credit)	(2,408)
Entergy Louisiana [Member] | Pension Plan [Member] | Nonqualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		55
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	140	256	99
Entergy Mississippi [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	647	736	878
Defined Benefit Plan, Interest Cost	1,955	1,945	2,170
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(5,310)	(5,486)	(4,716)
Defined Benefit Plan, Amortization of Gain (Loss)	(229)	61	85
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	(3,892)	(3,699)	(2,538)
Defined Benefit Plan, Changes in			0
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	1,144	3,915	6,883
Defined Benefit Plan, Amortization of Prior Service Credit, Reclassification from Regulatory Asset and/or AOCI, before tax	955	955	955
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	229	(61)	(85)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	40	(3,021)	(6,013)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(3,852)	(6,720)	(8,551)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(955)	(955)	(955)
Defined Benefit Plan, Other Cost (Credit)	0
Defined Benefit Plan, Acceleration of prior service credit due to curtailment, Reclassification from Regulatory Asset and/or AOCI, before tax	0
Defined Benefit Plan, Settlement Credit (Cost), Reclassification from Regulatory Asset and/or AOCI, before tax	0
Entergy Mississippi [Member] | Pension Plan [Member] | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	5,200	5,135	5,775
Defined Benefit Plan, Interest Cost	14,720	14,084	15,402
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(19,976)	(20,451)	(19,423)
Defined Benefit Plan, Amortization of Gain (Loss)	3,144	4,562	5,719
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(146)	0	(12,242)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	3,234	3,330	19,715
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	8,698	10,857	20,220
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	(3,144)	(4,562)	(5,719)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement Charge, Reclassification Adjustment from AOCI, before Tax	(146)	0	(12,242)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(11,988)	(15,419)	(38,181)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(8,754)	(12,089)	(18,466)
Defined Benefit Plan, Other Cost (Credit)	0
Entergy Mississippi [Member] | Pension Plan [Member] | Nonqualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	215		453
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	558	326	808
Entergy New Orleans [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	168	205	235
Defined Benefit Plan, Interest Cost	904	1,012	1,160
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(5,020)	(5,915)	(5,263)
Defined Benefit Plan, Amortization of Gain (Loss)	(220)	74	466
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(1,345)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment	(268)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	12,329	(5,540)	(4,318)
Defined Benefit Plan, Changes in			0
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	4,037	2,217	7,606
Defined Benefit Plan, Amortization of Prior Service Credit, Reclassification from Regulatory Asset and/or AOCI, before tax	798	916	916
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	220	(74)	(466)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(1,406)	(1,375)	(7,156)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	10,923	(6,915)	(11,474)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(798)	(916)	(916)
Defined Benefit Plan, Other Cost (Credit)	18,908
Defined Benefit Plan, Acceleration of prior service credit due to curtailment, Reclassification from Regulatory Asset and/or AOCI, before tax	268
Defined Benefit Plan, Settlement Credit (Cost), Reclassification from Regulatory Asset and/or AOCI, before tax	1,345
Entergy New Orleans [Member] | Pension Plan [Member] | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	1,642	1,760	1,955
Defined Benefit Plan, Interest Cost	6,521	6,276	6,747
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(8,241)	(8,814)	(8,798)
Defined Benefit Plan, Amortization of Gain (Loss)	2,237	1,881	1,694
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(6,195)	0	(2,080)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	6,371	1,103	3,678
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	(1,767)	8,990	3,183
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	(2,237)	(1,881)	(1,694)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement Charge, Reclassification Adjustment from AOCI, before Tax	(6,195)	0	(2,080)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(6,665)	(10,871)	(6,957)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(294)	(9,768)	(3,279)
Defined Benefit Plan, Other Cost (Credit)	(1,983)
Entergy New Orleans [Member] | Pension Plan [Member] | Nonqualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	137	122	132
Entergy Texas [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	634	670	809
Defined Benefit Plan, Interest Cost	2,326	2,411	2,597
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(9,806)	(10,156)	(8,776)
Defined Benefit Plan, Amortization of Gain (Loss)	613	591	914
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	(10,604)	(10,855)	(8,827)
Defined Benefit Plan, Changes in			0
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	8,005	4,683	8,790
Defined Benefit Plan, Amortization of Prior Service Credit, Reclassification from Regulatory Asset and/or AOCI, before tax	4,371	4,371	4,371
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	(613)	(591)	(914)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(4,247)	(903)	(5,333)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(14,851)	(11,758)	(14,160)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(4,371)	(4,371)	(4,371)
Defined Benefit Plan, Other Cost (Credit)	0
Defined Benefit Plan, Acceleration of prior service credit due to curtailment, Reclassification from Regulatory Asset and/or AOCI, before tax	0
Defined Benefit Plan, Settlement Credit (Cost), Reclassification from Regulatory Asset and/or AOCI, before tax	0
Entergy Texas [Member] | Pension Plan [Member] | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	4,063	3,846	4,328
Defined Benefit Plan, Interest Cost	11,780	11,324	12,726
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(15,557)	(16,308)	(16,641)
Defined Benefit Plan, Amortization of Gain (Loss)	1,815	1,574	4,075
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(617)	0	(11,230)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	2,718	436	15,718
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	7,431	6,190	16,759
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	(1,815)	(1,574)	(4,075)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement Charge, Reclassification Adjustment from AOCI, before Tax	(617)	0	(11,230)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(9,863)	(7,764)	(32,064)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(7,145)	(7,328)	(16,346)
Defined Benefit Plan, Other Cost (Credit)	0
Entergy Texas [Member] | Pension Plan [Member] | Nonqualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	157	248	253
System Energy [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	697	699	754
Defined Benefit Plan, Interest Cost	1,576	1,593	1,726
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(2,808)	(2,912)	(2,535)
Defined Benefit Plan, Amortization of Gain (Loss)	(27)	0	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	(855)	(913)	(348)
Defined Benefit Plan, Changes in			0
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	(2,656)	3,476	3,942
Defined Benefit Plan, Amortization of Prior Service Credit, Reclassification from Regulatory Asset and/or AOCI, before tax	293	293	293
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	27	0	0
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	2,976	(3,183)	(3,649)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	2,121	(4,096)	(3,997)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(293)	(293)	(293)
Defined Benefit Plan, Other Cost (Credit)	0
Defined Benefit Plan, Acceleration of prior service credit due to curtailment, Reclassification from Regulatory Asset and/or AOCI, before tax	0
Defined Benefit Plan, Settlement Credit (Cost), Reclassification from Regulatory Asset and/or AOCI, before tax	0
System Energy [Member] | Pension Plan [Member] | Qualified Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	5,448	5,525	5,749
Defined Benefit Plan, Interest Cost	14,163	13,525	13,852
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(18,360)	(18,485)	(17,585)
Defined Benefit Plan, Amortization of Gain (Loss)	4,136	4,638	4,236
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(512)	(615)	(6,375)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total	5,899	5,818	12,627
Defined Benefit Plan, Amount Recognized as a Regulatory Asset and/or AOCI, Gain (Loss) Arising During Period, before Tax	7,439	9,812	3,268
Defined Benefit Plan, Amortization of Net Gain (Loss), Reclassification from Regulatory Asset and/or AOCI, before tax	(4,136)	(4,638)	(4,236)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement Charge, Reclassification Adjustment from AOCI, before Tax	(512)	(615)	(6,375)
Other Comprehensive Income Reclassification Of Defined Benefit Plans Total Recognized In Net Periodic Benefit Cost Before Tax	(12,087)	(15,065)	(13,879)
Defined Benefit Plan, Total Amount Recognized as net periodic pension cost, regulatory asset, and/or AOCI, before tax	(6,188)	$ (9,247)	$ (1,252)
Defined Benefit Plan, Other Cost (Credit)	$ 0

X

- Definition

Defined Benefit Plan, Acceleration of prior service credit due to curtailment, Reclassification from Regulatory Asset and/or AOCI, before tax

+ References

No definition available.

+ Details

Name:	etr_DefinedBenefitPlanAccelerationOfPriorServiceCreditDueToCurtailmentReclassificationFromRegulatoryAssetAndorAOCIBeforeTax
Namespace Prefix:	etr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount, before tax, reclassified from regulatory assets and/or accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

+ References

No definition available.

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Namespace Prefix:
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Balance Type:
Period Type: