Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Cash and cash equivalents:
Cash	$ 108,053	$ 129,979
Temporary cash investments	800,430	609,147
Total cash and cash equivalents	908,483	739,126
Accounts receivable:
Customer	701,534	670,641
Allowance for doubtful accounts	(34,064)	(34,311)
Other	184,623	195,028
Accrued unbilled revenues	276,099	340,828
Total accounts receivable	1,128,192	1,172,186
Deferred fuel costs	241,372	116,379
Accumulated deferred income taxes	64,889	175,073
Fuel inventory - at average cost	193,018	208,958
Materials and supplies - at average cost	926,256	915,006
Deferred nuclear refueling outage costs	306,355	192,474
Prepayments and other	424,751	410,489
TOTAL	4,193,316	3,929,691
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	39,370	40,350
Decommissioning trust funds	4,991,062	4,903,144
Non-utility property - at cost (less accumulated depreciation)	199,251	199,375
Other	167,569	210,616
TOTAL	5,397,252	5,353,485
PROPERTY, PLANT AND EQUIPMENT
Electric	43,180,962	42,935,712
Property under capital lease	940,996	941,299
Natural gas	368,094	366,365
Construction work in progress	1,645,580	1,514,857
Nuclear fuel	1,563,851	1,566,904
TOTAL PROPERTY, PLANT AND EQUIPMENT	47,699,483	47,325,137
Less - accumulated depreciation and amortization	19,690,826	19,443,493
PROPERTY, PLANT AND EQUIPMENT - NET	28,008,657	27,881,644
Regulatory assets:
Regulatory asset for income taxes - net	847,868	849,718
Other regulatory assets	3,876,586	3,893,363
Deferred fuel costs	172,202	172,202
Goodwill	377,172	377,172
Accumulated deferred income taxes	42,500	62,011
Other	961,216	887,160
TOTAL	6,277,544	6,241,626
TOTAL ASSETS	43,876,769	43,406,446
CURRENT LIABILITIES
Currently maturing long-term debt	422,666	457,095
Notes payable and commercial paper	1,204,846	1,046,887
Accounts payable	1,145,591	1,173,313
Customer deposits	372,723	370,997
Taxes accrued	111,264	191,093
Accumulated deferred income taxes	28,382	28,307
Interest accrued	156,195	180,997
Deferred fuel costs	21,435	57,631
Obligations under capital leases	2,368	2,323
Pension and other postretirement liabilities	57,109	67,419
Other	394,882	484,510
TOTAL	3,917,461	4,060,572
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	8,876,125	8,724,635
Accumulated deferred investment tax credits	260,714	263,765
Obligations under capital leases	31,608	32,218
Other regulatory liabilities	1,315,589	1,295,955
Decommissioning and asset retirement cost liabilities	4,040,099	3,933,416
Accumulated provisions	118,741	115,139
Pension and other postretirement liabilities	2,284,840	2,320,704
Long-term debt	12,198,641	12,139,149
Other	579,763	583,667
TOTAL	29,706,120	29,408,648
Subsidiaries’ preferred stock without sinking fund	210,760	210,760
Common Shareholders’ Equity:
Common stock	2,548	2,548
Paid-in capital	5,350,632	5,368,131
Retained earnings	10,077,952	9,825,053
Accumulated other comprehensive loss	(5,202)	(29,324)
Less - treasury stock, at cost	5,477,502	5,533,942
Total common shareholders’ equity	9,948,428	9,632,466
’Subsidiaries’ preferred stock without sinking fund	94,000	94,000
TOTAL	10,042,428	9,726,466
TOTAL LIABILITIES AND EQUITY	43,876,769	43,406,446
Entergy Arkansas [Member]
Cash and cash equivalents:
Cash	4,417	4,181
Temporary cash investments	216,100	122,841
Total cash and cash equivalents	220,517	127,022
Securitization recovery trust account	8,125	3,835
Accounts receivable:
Customer	108,358	102,328
Allowance for doubtful accounts	(30,399)	(30,113)
Associated companies	102,133	68,875
Other	102,484	94,256
Accrued unbilled revenues	70,968	82,298
Total accounts receivable	353,544	317,644
Deferred fuel costs	88,334	68,696
Accumulated deferred income taxes	20,157	33,556
Fuel inventory - at average cost	31,856	41,504
Materials and supplies - at average cost	160,070	152,429
Deferred nuclear refueling outage costs	24,362	31,135
System agreement cost equalization	97,511	30,000
Prepaid taxes	13,250	0
Prepayments and other	32,266	58,911
TOTAL	1,049,992	864,732
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	721,534	710,913
Non-utility property - at cost (less accumulated depreciation)	1,663	1,664
Other	29,181	29,181
TOTAL	752,378	741,758
PROPERTY, PLANT AND EQUIPMENT
Electric	8,873,709	8,798,458
Property under capital lease	1,040	1,064
Construction work in progress	229,577	209,036
Nuclear fuel	262,240	321,901
TOTAL PROPERTY, PLANT AND EQUIPMENT	9,366,566	9,330,459
Less - accumulated depreciation and amortization	4,050,647	4,034,880
PROPERTY, PLANT AND EQUIPMENT - NET	5,315,919	5,295,579
Regulatory assets:
Regulatory asset for income taxes - net	72,272	73,864
Other regulatory assets	1,033,542	1,014,392
Other	49,942	44,565
TOTAL	1,155,756	1,132,821
TOTAL ASSETS	8,274,045	8,034,890
CURRENT LIABILITIES
Currently maturing long-term debt	70,000	70,000
Short-term borrowings	62,493	0
Associated companies accounts payable	140,008	149,802
Other	187,057	228,160
Customer deposits	87,487	86,512
Taxes accrued	0	9,979
Accumulated deferred income taxes	12,425	9,231
Interest accrued	18,560	22,036
Other	48,195	55,656
TOTAL	626,225	631,376
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	1,940,835	1,906,562
Accumulated deferred investment tax credits	38,461	38,958
Other regulatory liabilities	232,442	219,370
Decommissioning and asset retirement cost liabilities	778,512	723,771
Accumulated provisions	5,425	5,746
Pension and other postretirement liabilities	302,874	319,211
Long-term debt	2,460,596	2,335,802
Other	25,955	18,026
TOTAL	5,785,100	5,567,446
Subsidiaries’ preferred stock without sinking fund	116,350	116,350
Common Shareholders’ Equity:
Common stock	470	470
Paid-in capital	588,471	588,471
Retained earnings	1,157,429	1,130,777
TOTAL	1,746,370	1,719,718
TOTAL LIABILITIES AND EQUITY	8,274,045	8,034,890
Entergy Gulf States Louisiana [Member]
Cash and cash equivalents:
Cash	179	1,739
Temporary cash investments	14,980	13,842
Total cash and cash equivalents	15,159	15,581
Accounts receivable:
Customer	87,177	69,648
Allowance for doubtful accounts	(704)	(909)
Associated companies	140,997	107,723
Other	30,880	22,945
Accrued unbilled revenues	55,213	58,867
Total accounts receivable	313,563	258,274
Deferred fuel costs	36,676	9,625
Fuel inventory - at average cost	27,386	26,555
Materials and supplies - at average cost	125,344	122,909
Deferred nuclear refueling outage costs	20,686	25,975
Gas hedge contracts	2,960	2,238
Prepaid taxes	5,143	22,008
Prepayments and other	13,674	12,452
TOTAL	560,591	495,617
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	289,664	289,664
Decommissioning trust funds	586,198	573,744
Non-utility property - at cost (less accumulated depreciation)	175,023	174,134
Escrow accounts	21,541	21,538
Other	14,574	14,145
TOTAL	1,087,000	1,073,225
PROPERTY, PLANT AND EQUIPMENT
Electric	7,436,035	7,400,689
Natural gas	145,230	143,902
Construction work in progress	114,970	105,314
Nuclear fuel	153,715	196,508
TOTAL PROPERTY, PLANT AND EQUIPMENT	7,849,950	7,846,413
Less - accumulated depreciation and amortization	4,098,559	4,071,762
PROPERTY, PLANT AND EQUIPMENT - NET	3,751,391	3,774,651
Regulatory assets:
Regulatory asset for income taxes - net	164,707	165,456
Other regulatory assets	321,359	321,466
Deferred fuel costs	100,124	100,124
Other	15,841	12,049
TOTAL	602,031	599,095
TOTAL ASSETS	6,001,013	5,942,588
CURRENT LIABILITIES
Associated companies accounts payable	94,704	95,853
Other	101,035	103,314
Customer deposits	52,875	51,839
Accumulated deferred income taxes	35,920	36,330
Interest accrued	29,360	25,808
Pension and other postretirement liabilities	9,076	9,065
System agreement cost equalization	48,356	15,000
Other	15,205	19,032
TOTAL	386,531	356,241
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	1,535,724	1,512,547
Accumulated deferred investment tax credits	74,540	75,295
Other regulatory liabilities	166,714	159,429
Decommissioning and asset retirement cost liabilities	408,851	403,084
Accumulated provisions	36,545	37,146
Pension and other postretirement liabilities	272,107	274,315
Long-term debt	1,513,024	1,527,465
Long-term payables of associated companies	27,363	27,900
Other	105,576	108,189
TOTAL	4,140,444	4,125,370
Common Shareholders’ Equity:
Accumulated other comprehensive loss	(28,080)	(28,202)
Total common shareholders’ equity	1,492,118	1,479,179
’Subsidiaries’ preferred stock without sinking fund	10,000	10,000
TOTAL	1,474,038	1,460,977
TOTAL LIABILITIES AND EQUITY	6,001,013	5,942,588
Entergy Louisiana [Member]
Cash and cash equivalents:
Cash	351	427
Temporary cash investments	72,025	123,580
Total cash and cash equivalents	72,376	124,007
Securitization recovery trust account	10,248	4,539
Accounts receivable:
Customer	140,740	144,836
Allowance for doubtful accounts	(1,031)	(965)
Associated companies	79,747	87,820
Other	8,977	21,420
Accrued unbilled revenues	74,613	93,073
Total accounts receivable	303,046	346,184
Deferred fuel costs	33,195	0
Accumulated deferred income taxes	87,386	100,022
Fuel inventory - at average cost	18,780	23,311
Materials and supplies - at average cost	156,373	156,487
Deferred nuclear refueling outage costs	7,711	13,670
Gas hedge contracts	3,715	2,889
Prepaid taxes	225,536	184,503
Prepayments and other	15,938	15,223
TOTAL	934,304	970,835
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	807,423	807,423
Decommissioning trust funds	353,629	347,274
Non-utility property - at cost (less accumulated depreciation)	351	396
TOTAL	1,161,403	1,155,093
PROPERTY, PLANT AND EQUIPMENT
Electric	8,819,528	8,799,393
Property under capital lease	331,895	331,895
Construction work in progress	742,515	672,883
Nuclear fuel	196,805	147,385
TOTAL PROPERTY, PLANT AND EQUIPMENT	10,090,743	9,951,556
Less - accumulated depreciation and amortization	3,810,294	3,763,234
PROPERTY, PLANT AND EQUIPMENT - NET	6,280,449	6,188,322
Regulatory assets:
Regulatory asset for income taxes - net	311,769	309,617
Other regulatory assets	717,286	715,503
Deferred fuel costs	67,998	67,998
Other	47,399	43,025
TOTAL	1,144,452	1,136,143
TOTAL ASSETS	9,520,608	9,450,393
CURRENT LIABILITIES
Currently maturing long-term debt	319,296	320,231
Short-term borrowings	31,697	2,923
Associated companies accounts payable	56,264	83,655
Other	160,852	162,507
Customer deposits	91,030	90,393
Accumulated deferred income taxes	1,677	338
Interest accrued	36,173	42,072
Deferred fuel costs	0	30,392
Pension and other postretirement liabilities	10,195	10,255
System agreement cost equalization	17,000	17,000
Other	18,053	19,443
TOTAL	742,237	779,209
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	1,338,052	1,275,584
Accumulated deferred investment tax credits	66,703	67,347
Other regulatory liabilities	535,876	533,247
Decommissioning and asset retirement cost liabilities	485,132	479,086
Accumulated provisions	7,496	7,733
Pension and other postretirement liabilities	352,924	358,017
Long-term debt	2,923,288	2,899,285
Other	80,344	75,233
TOTAL	5,789,815	5,695,532
Common Shareholders’ Equity:
Accumulated other comprehensive loss	(9,937)	(9,635)
Total common shareholders’ equity	2,898,493	2,885,287
’Subsidiaries’ preferred stock without sinking fund	100,000	100,000
TOTAL	2,988,556	2,975,652
TOTAL LIABILITIES AND EQUITY	9,520,608	9,450,393
Entergy Mississippi [Member]
Cash and cash equivalents:
Cash	1,031	22
Temporary cash investments	70,305	9
Total cash and cash equivalents	71,336	31
Accounts receivable:
Customer	85,560	76,534
Allowance for doubtful accounts	(947)	(906)
Associated companies	46,085	13,794
Other	7,131	9,117
Accrued unbilled revenues	33,577	44,777
Total accounts receivable	171,406	143,316
Deferred fuel costs	60,359	38,057
Fuel inventory - at average cost	47,363	48,899
Materials and supplies - at average cost	41,251	40,849
System agreement cost equalization	15,000	15,000
Prepayments and other	11,327	4,813
TOTAL	418,042	290,965
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	4,663	4,670
Escrow accounts	51,796	51,795
TOTAL	56,459	56,465
PROPERTY, PLANT AND EQUIPMENT
Electric	3,897,131	3,875,737
Property under capital lease	5,051	5,329
Construction work in progress	50,240	37,316
TOTAL PROPERTY, PLANT AND EQUIPMENT	3,952,422	3,918,382
Less - accumulated depreciation and amortization	1,437,523	1,413,484
PROPERTY, PLANT AND EQUIPMENT - NET	2,514,899	2,504,898
Regulatory assets:
Regulatory asset for income taxes - net	58,088	58,716
Other regulatory assets	314,248	318,462
Other	21,886	20,819
TOTAL	394,222	397,997
TOTAL ASSETS	3,383,622	3,250,325
CURRENT LIABILITIES
Associated companies accounts payable	68,075	74,144
Other	71,391	52,129
Customer deposits	74,806	74,211
Taxes accrued	41,652	53,247
Accumulated deferred income taxes	25,686	15,413
Interest accrued	20,519	20,383
System agreement cost equalization	11,223	0
Other	18,544	19,021
TOTAL	331,896	308,548
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	728,164	746,939
Accumulated deferred investment tax credits	8,912	8,530
Obligations under capital leases	3,883	4,185
Other regulatory liabilities	7,703	2,509
Decommissioning and asset retirement cost liabilities	6,495	6,401
Accumulated provisions	37,065	35,674
Pension and other postretirement liabilities	63,535	66,722
Long-term debt	1,153,675	1,053,670
Other	15,204	15,189
TOTAL	2,024,636	1,939,819
Subsidiaries’ preferred stock without sinking fund	50,381	50,381
Common Shareholders’ Equity:
Common stock	199,326	199,326
Paid-in capital	(690)	(690)
Retained earnings	778,073	752,941
TOTAL	976,709	951,577
TOTAL LIABILITIES AND EQUITY	3,383,622	3,250,325
Entergy New Orleans [Member]
Cash and cash equivalents:
Cash	1,141	317
Temporary cash investments	24,745	33,172
Total cash and cash equivalents	25,886	33,489
Accounts receivable:
Customer	48,287	38,872
Allowance for doubtful accounts	(458)	(974)
Associated companies	32,140	32,273
Other	2,516	2,667
Accrued unbilled revenues	11,846	18,745
Total accounts receivable	94,331	91,583
Accumulated deferred income taxes	10,977	12,018
Fuel inventory - at average cost	1,753	2,999
Materials and supplies - at average cost	12,464	11,696
Prepayments and other	14,894	4,178
TOTAL	160,305	155,963
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	1,016	1,016
Escrow accounts	12,406	10,513
TOTAL	13,422	11,529
PROPERTY, PLANT AND EQUIPMENT
Electric	900,433	889,629
Natural gas	222,864	222,463
Construction work in progress	25,348	29,312
TOTAL PROPERTY, PLANT AND EQUIPMENT	1,148,645	1,141,404
Less - accumulated depreciation and amortization	574,186	566,948
PROPERTY, PLANT AND EQUIPMENT - NET	574,459	574,456
Regulatory assets:
Other regulatory assets	136,654	137,191
Deferred fuel costs	4,080	4,080
Other	6,900	5,577
TOTAL	147,634	146,848
TOTAL ASSETS	895,820	888,796
CURRENT LIABILITIES
Associated companies accounts payable	30,503	36,193
Other	32,325	27,840
Customer deposits	23,560	22,959
Taxes accrued	1,174	1,509
Interest accrued	2,241	3,598
Deferred fuel costs	21,435	23,145
System agreement cost equalization	14,823	17,040
Other	4,328	4,387
TOTAL	130,389	136,671
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	189,536	183,636
Accumulated deferred investment tax credits	1,027	1,082
Regulatory liability for income taxes - net	563	2,495
Other regulatory liabilities	27,005	26,361
Decommissioning and asset retirement cost liabilities	2,387	2,347
Accumulated provisions	18,974	15,000
Pension and other postretirement liabilities	31,130	32,497
Long-term debt	225,943	225,944
Gas system rebuild insurance proceeds	30,882	32,760
Other	3,868	3,940
TOTAL	531,315	526,062
Subsidiaries’ preferred stock without sinking fund	19,780	19,780
Common Shareholders’ Equity:
Common stock	33,744	33,744
Paid-in capital	36,294	36,294
Retained earnings	144,298	136,245
TOTAL	214,336	206,283
TOTAL LIABILITIES AND EQUITY	895,820	888,796
Entergy Texas [Member]
Cash and cash equivalents:
Cash	1,894	2,432
Temporary cash investments	30	44,056
Total cash and cash equivalents	1,924	46,488
Securitization recovery trust account	29,730	37,511
Accounts receivable:
Customer	86,256	76,957
Allowance for doubtful accounts	(524)	(443)
Associated companies	106,663	76,494
Other	17,278	10,897
Accrued unbilled revenues	29,882	43,067
Total accounts receivable	239,555	206,972
Deferred fuel costs	22,808	0
Fuel inventory - at average cost	55,256	55,335
Materials and supplies - at average cost	33,920	34,068
System agreement cost equalization	16,040	16,040
Prepaid taxes	11,934	55,635
Prepayments and other	18,710	34,458
TOTAL	429,877	486,507
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	678	687
Non-utility property - at cost (less accumulated depreciation)	376	376
Other	18,657	18,161
TOTAL	19,711	19,224
PROPERTY, PLANT AND EQUIPMENT
Electric	3,664,600	3,616,061
Construction work in progress	74,342	94,743
TOTAL PROPERTY, PLANT AND EQUIPMENT	3,738,942	3,710,804
Less - accumulated depreciation and amortization	1,405,577	1,387,303
PROPERTY, PLANT AND EQUIPMENT - NET	2,333,365	2,323,501
Regulatory assets:
Regulatory asset for income taxes - net	128,271	129,069
Other regulatory assets	894,998	919,234
Long-term receivables - associated companies	27,363	27,900
Other	19,039	16,425
TOTAL	1,069,671	1,092,628
TOTAL ASSETS	3,852,624	3,921,860
CURRENT LIABILITIES
Associated companies accounts payable	135,367	112,309
Other	73,598	73,682
Customer deposits	40,070	38,721
Accumulated deferred income taxes	33,443	33,847
Interest accrued	22,298	31,246
Deferred fuel costs	0	4,093
Pension and other postretirement liabilities	764	786
System agreement cost equalization	37,149	12,000
Other	13,910	23,490
TOTAL	356,599	330,174
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	970,896	1,022,955
Accumulated deferred investment tax credits	15,781	16,147
Other regulatory liabilities	6,584	5,194
Decommissioning and asset retirement cost liabilities	4,412	4,349
Accumulated provisions	9,133	9,079
Pension and other postretirement liabilities	48,140	51,253
Long-term debt	1,534,531	1,556,939
Other	46,356	38,743
TOTAL	2,635,833	2,704,659
Common Shareholders’ Equity:
Common stock	49,452	49,452
Paid-in capital	481,994	481,994
Retained earnings	328,746	355,581
TOTAL	860,192	887,027
TOTAL LIABILITIES AND EQUITY	3,852,624	3,921,860
System Energy [Member]
Cash and cash equivalents:
Cash	1,074	62,561
Temporary cash investments	83,131	64,581
Total cash and cash equivalents	84,205	127,142
Accounts receivable:
Associated companies	67,064	104,419
Other	5,774	6,400
Total accounts receivable	72,838	110,819
Materials and supplies - at average cost	82,753	85,118
Deferred nuclear refueling outage costs	52,885	7,853
Prepaid taxes	15,421	0
Prepayments and other	7,963	1,727
TOTAL	316,065	332,659
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	619,323	603,896
TOTAL	619,323	603,896
PROPERTY, PLANT AND EQUIPMENT
Electric	4,142,592	4,124,647
Property under capital lease	570,872	570,872
Construction work in progress	29,676	29,061
Nuclear fuel	278,636	188,824
TOTAL PROPERTY, PLANT AND EQUIPMENT	5,021,776	4,913,404
Less - accumulated depreciation and amortization	2,732,722	2,699,263
PROPERTY, PLANT AND EQUIPMENT - NET	2,289,054	2,214,141
Regulatory assets:
Regulatory asset for income taxes - net	113,324	115,492
Other regulatory assets	261,018	261,740
Other	15,555	15,996
TOTAL	389,897	393,228
TOTAL ASSETS	3,614,339	3,543,924
CURRENT LIABILITIES
Currently maturing long-term debt	15,160	48,653
Short-term borrowings	52,684	0
Associated companies accounts payable	2,826	12,778
Other	63,793	31,862
Taxes accrued	0	11,121
Accumulated deferred income taxes	19,609	2,310
Interest accrued	19,302	11,825
Other	2,325	2,312
TOTAL	175,699	120,861
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	760,607	737,973
Accumulated deferred investment tax credits	53,703	54,786
Other regulatory liabilities	339,264	349,846
Decommissioning and asset retirement cost liabilities	626,349	616,157
Pension and other postretirement liabilities	77,430	79,411
Long-term debt	695,561	708,783
TOTAL	2,552,914	2,546,956
Common Shareholders’ Equity:
Common stock	789,350	789,350
Retained earnings	96,376	86,757
TOTAL	885,726	876,107
TOTAL LIABILITIES AND EQUITY	$ 3,614,339	$ 3,543,924