Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule Of Net Periodic Pension Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	$ 74,654	$ 68,883	$ 59,340
Interest cost	79,453	82,561	74,522
Expected return on assets	(40,323)	(34,503)	(29,477)
Amortization of transition obligation	0	3,177	3,183
Amortization of prior cost/(credit)	(14,904)	(18,163)	(14,070)
Recognized net loss	44,178	36,448	21,192
Curtailment loss	12,729	0	0
Net periodic pension costs	155,787	138,403	114,690
Prior service credit for period	(116,571)	0	(29,507)
Net (gain)/loss	(405,976)	92,584	236,594
Amortization of transition obligation	0	3,177	3,183
Amortization of prior service cost/(credit)	14,904	18,163	14,070
Acceleration of prior service cost due to curtailment	1,989	0	0
Amortization of net loss	44,178	36,448	21,192
Total	(549,832)	71,122	196,782
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(394,045)	209,525	311,472
Transition obligation	0	0	3,177
Prior service cost	(31,589)	(13,336)	(18,163)
Net loss	11,197	45,217	43,127
Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior cost/(credit)	59,100	81,200
Net periodic pension costs	54,500	26,500	24,000
Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	172,280	150,763	121,961
Interest cost	263,296	260,929	236,992
Expected return on assets	(328,227)	(317,423)	(301,276)
Amortization of prior cost/(credit)	2,125	2,733	3,350
Recognized net loss	213,194	167,279	92,977
Curtailment loss	16,318	0	0
Special termination benefit	13,139	0	0
Net periodic pension costs	352,125	264,281	154,004
Net (gain)/loss	(894,150)	552,303	1,045,624
Amortization of prior service cost/(credit)	(2,125)	(2,733)	(3,350)
Acceleration of prior service cost due to curtailment	(1,307)	0	0
Amortization of net loss	213,194	167,279	92,977
Total	(1,110,776)	382,291	949,297
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(758,651)	646,572	1,103,301
Prior service cost	1,600	2,268	2,733
Net loss	146,958	219,805	169,064
Entergy Arkansas [Member] | Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	9,619	9,089	8,053
Interest cost	13,545	14,452	13,742
Expected return on assets	(16,843)	(14,029)	(11,528)
Amortization of transition obligation		820	821
Amortization of prior cost/(credit)	(689)	(530)	(530)
Recognized net loss	7,976	8,305	6,436
Curtailment loss	4,517
Net periodic pension costs	18,125	18,107	16,994
Prior service credit for period	(11,617)
Net (gain)/loss	(81,236)	9,066	32,241
Amortization of transition obligation		820	821
Amortization of prior service cost/(credit)	689	530	530
Acceleration of prior service cost due to curtailment	78
Amortization of net loss	7,976	8,305	6,436
Total	(100,062)	471	25,514
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(81,937)	18,578	42,508
Transition obligation			820
Prior service cost	(2,441)	(530)	(530)
Net loss	1,267	8,163	8,365
Entergy Arkansas [Member] | Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension costs	448	464	498
Entergy Arkansas [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	25,229	22,169	18,072
Interest cost	54,473	55,686	51,965
Expected return on assets	(66,951)	(65,763)	(62,434)
Amortization of prior cost/(credit)	23	200	459
Recognized net loss	49,517	40,772	25,681
Curtailment loss	4,938
Special termination benefit	1,784
Net periodic pension costs	69,013	53,064	33,743
Net (gain)/loss	(177,105)	105,133	217,989
Amortization of prior service cost/(credit)	(23)	(200)	(459)
Amortization of net loss	49,517	40,772	25,681
Total	(226,645)	64,161	191,849
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(157,632)	117,225	225,592
Prior service cost	0	23	200
Net loss	35,984	50,175	41,309
Entergy Gulf States Louisiana [Member] | Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	7,910	7,521	6,158
Interest cost	8,964	9,590	8,298
Expected return on assets	0	0	0
Amortization of transition obligation		238	239
Amortization of prior cost/(credit)	(942)	(824)	(824)
Recognized net loss	4,598	4,737	2,896
Curtailment loss	1,546
Net periodic pension costs	22,076	21,262	16,767
Prior service credit for period	(8,705)
Net (gain)/loss	(40,938)	5,818	28,721
Amortization of transition obligation		238	239
Amortization of prior service cost/(credit)	942	824	824
Acceleration of prior service cost due to curtailment	91
Amortization of net loss	4,598	4,737	2,896
Total	(53,208)	1,667	26,410
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(31,132)	22,929	43,177
Transition obligation			238
Prior service cost	(2,236)	(824)	(824)
Net loss	1,212	4,693	4,778
Entergy Gulf States Louisiana [Member] | Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension costs	151	158	167
Entergy Gulf States Louisiana [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	14,258	12,273	9,848
Interest cost	26,741	25,679	23,713
Expected return on assets	(34,982)	(34,370)	(33,358)
Amortization of prior cost/(credit)	9	19	79
Recognized net loss	23,374	16,173	9,118
Curtailment loss	805
Special termination benefit	808
Net periodic pension costs	31,013	19,774	9,400
Net (gain)/loss	(98,610)	77,207	102,329
Amortization of prior service cost/(credit)	(9)	(19)	(79)
Amortization of net loss	23,374	16,173	9,118
Total	(121,993)	61,015	93,132
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(90,980)	80,789	102,532
Prior service cost	0	9	19
Net loss	15,935	23,731	16,295
Entergy Louisiana [Member] | Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	8,541	7,796	6,540
Interest cost	9,410	9,781	8,767
Expected return on assets	0	0	0
Amortization of transition obligation		382	383
Amortization of prior cost/(credit)	(508)	(247)	(247)
Recognized net loss	5,050	4,359	2,793
Curtailment loss	1,848
Net periodic pension costs	24,341	22,071	18,236
Prior service credit for period	(18,844)
Net (gain)/loss	(43,743)	16,215	24,837
Amortization of transition obligation		382	383
Amortization of prior service cost/(credit)	508	247	247
Acceleration of prior service cost due to curtailment	41
Amortization of net loss	5,050	4,359	2,793
Total	(67,088)	11,721	21,908
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(42,747)	33,792	40,144
Transition obligation			382
Prior service cost	(3,376)	(247)	(247)
Net loss	1,511	5,149	4,398
Entergy Louisiana [Member] | Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension costs	12	12	14
Entergy Louisiana [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	17,044	14,675	11,543
Interest cost	34,857	35,201	32,636
Expected return on assets	(41,948)	(40,836)	(38,866)
Amortization of prior cost/(credit)	83	208	280
Recognized net loss	34,107	28,197	17,990
Curtailment loss	3,542
Special termination benefit	1,631
Net periodic pension costs	49,316	37,445	23,583
Net (gain)/loss	(123,234)	76,163	137,100
Amortization of prior service cost/(credit)	(83)	(208)	(280)
Amortization of net loss	34,107	28,197	17,990
Total	(157,424)	47,758	118,830
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(108,108)	85,203	142,413
Prior service cost	0	83	208
Net loss	24,360	34,906	28,486
Entergy Mississippi [Member] | Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	3,246	3,093	2,632
Interest cost	4,289	4,716	4,370
Expected return on assets	(5,335)	(4,521)	(3,906)
Amortization of transition obligation		351	352
Amortization of prior cost/(credit)	(204)	(139)	(139)
Recognized net loss	2,534	2,920	2,160
Curtailment loss	596
Net periodic pension costs	5,126	6,420	5,469
Prior service credit for period	(4,714)
Net (gain)/loss	(30,018)	271	12,598
Amortization of transition obligation		351	352
Amortization of prior service cost/(credit)	204	139	139
Acceleration of prior service cost due to curtailment	20
Amortization of net loss	2,534	2,920	2,160
Total	(37,042)	(2,861)	10,225
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(31,916)	3,559	15,694
Transition obligation			351
Prior service cost	(918)	(139)	(139)
Net loss	149	2,650	2,926
Entergy Mississippi [Member] | Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension costs	192	183	190
Entergy Mississippi [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	7,295	6,410	5,308
Interest cost	15,802	16,279	15,637
Expected return on assets	(21,139)	(20,945)	(20,152)
Amortization of prior cost/(credit)	10	30	152
Recognized net loss	13,189	10,532	6,717
Curtailment loss	767
Special termination benefit	359
Net periodic pension costs	16,283	12,306	7,662
Net (gain)/loss	(52,525)	27,106	56,714
Amortization of prior service cost/(credit)	(10)	(30)	(152)
Amortization of net loss	13,189	10,532	6,717
Total	(65,724)	16,544	49,845
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(49,441)	28,850	57,507
Prior service cost	0	10	30
Net loss	9,421	13,375	10,667
Entergy New Orleans [Member] | Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	1,752	1,689	1,448
Interest cost	3,135	3,422	3,225
Expected return on assets	(4,101)	(3,711)	(3,200)
Amortization of transition obligation		1,189	1,190
Amortization of prior cost/(credit)	(24)	38	38
Recognized net loss	1,509	1,559	968
Curtailment loss	354
Net periodic pension costs	2,625	4,186	3,669
Prior service credit for period	(4,469)
Net (gain)/loss	(18,508)	2,260	8,946
Amortization of transition obligation		1,189	1,190
Amortization of prior service cost/(credit)	24	(38)	(38)
Acceleration of prior service cost due to curtailment	(4)
Amortization of net loss	1,509	1,559	968
Total	(24,466)	(526)	6,750
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(21,841)	3,660	10,419
Transition obligation			1,189
Prior service cost	(709)	38	38
Net loss	56	1,587	1,562
Entergy New Orleans [Member] | Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension costs	92	79	65
Entergy New Orleans [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	3,264	2,824	2,242
Interest cost	7,462	7,608	7,050
Expected return on assets	(9,117)	(8,860)	(8,455)
Amortization of prior cost/(credit)	2	7	35
Recognized net loss	7,878	6,878	4,666
Curtailment loss	343
Special termination benefit	581
Net periodic pension costs	10,413	8,457	5,538
Net (gain)/loss	(25,419)	14,282	29,297
Amortization of prior service cost/(credit)	(2)	(7)	(35)
Amortization of net loss	7,878	6,878	4,666
Total	(33,299)	7,397	24,596
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(22,886)	15,854	30,134
Prior service cost	0	2	7
Net loss	5,802	8,046	6,935
Entergy Texas [Member] | Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	3,760	3,651	3,074
Interest cost	6,076	6,650	5,945
Expected return on assets	(9,391)	(8,415)	(7,496)
Amortization of transition obligation		187	187
Amortization of prior cost/(credit)	(501)	(428)	(428)
Recognized net loss	3,744	4,320	2,803
Curtailment loss	1,436
Net periodic pension costs	5,124	5,965	4,085
Prior service credit for period	(5,359)
Net (gain)/loss	(34,562)	191	23,125
Amortization of transition obligation		187	187
Amortization of prior service cost/(credit)	501	428	428
Acceleration of prior service cost due to curtailment	62
Amortization of net loss	3,744	4,320	2,803
Total	(43,102)	(3,888)	20,563
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(37,978)	2,077	24,648
Transition obligation			187
Prior service cost	(1,301)	(428)	(428)
Net loss	800	3,905	4,329
Entergy Texas [Member] | Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension costs	1,001	648	763
Entergy Texas [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	6,475	5,684	4,788
Interest cost	16,303	16,823	15,971
Expected return on assets	(22,277)	(22,325)	(22,005)
Amortization of prior cost/(credit)	6	15	65
Recognized net loss	13,302	10,179	5,579
Curtailment loss	1,559
Special termination benefit	855
Net periodic pension costs	16,223	10,376	4,398
Net (gain)/loss	(55,772)	28,745	64,662
Amortization of prior service cost/(credit)	(6)	(15)	(65)
Amortization of net loss	13,302	10,179	5,579
Total	(69,080)	18,551	59,018
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(52,857)	28,927	63,416
Prior service cost	0	6	15
Net loss	9,363	13,494	10,261
System Energy [Member] | Other Postretirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	3,580	3,293	2,642
Interest cost	2,945	3,028	2,666
Expected return on assets	(3,350)	(2,601)	(2,115)
Amortization of transition obligation		8	9
Amortization of prior cost/(credit)	(126)	(63)	(589)
Recognized net loss	1,896	1,970	1,477
Curtailment loss	760
Net periodic pension costs	5,705	5,635	4,090
Prior service credit for period	(4,591)
Net (gain)/loss	(17,579)	2,043	8,499
Amortization of transition obligation		8	9
Amortization of prior service cost/(credit)	126	63	589
Acceleration of prior service cost due to curtailment	9
Amortization of net loss	1,896	1,970	1,477
Total	(23,931)	128	7,602
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(18,226)	5,763	11,692
Transition obligation			8
Prior service cost	(824)	(62)	(63)
Net loss	464	1,915	1,994
System Energy [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the period	7,242	5,920	4,941
Interest cost	12,170	12,987	11,758
Expected return on assets	(17,249)	(16,436)	(15,138)
Amortization of prior cost/(credit)	9	13	16
Recognized net loss	9,560	9,001	5,284
Curtailment loss	0
Special termination benefit	1,970
Net periodic pension costs	13,702	11,485	6,861
Net (gain)/loss	(35,511)	10,266	52,876
Amortization of prior service cost/(credit)	(9)	(13)	(16)
Amortization of net loss	9,560	9,001	5,284
Total	(45,080)	1,252	47,576
Total recognized as net periodic benefit cost, regulatory asset, and/or AOCI (before tax)	(31,378)	12,737	54,437
Prior service cost	2	10	13
Net loss	$ 9,510	$ 9,717	$ 9,135