Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Cash and cash equivalents:
Cash	$ 129,979	$ 112,992
Temporary cash investments	609,147	419,577
Total cash and cash equivalents	739,126	532,569
Securitization recovery trust account	45,885	46,040
Accounts receivable:
Customer	670,641	568,871
Allowance for doubtful accounts	(34,311)	(31,956)
Other	195,028	161,408
Accrued unbilled revenues	340,828	303,392
Total accounts receivable	1,172,186	1,001,715
Deferred fuel costs	116,379	150,363
Accumulated deferred income taxes	175,073	306,902
Fuel inventory - at average cost	208,958	213,831
Materials and supplies - at average cost	915,006	928,530
Deferred nuclear refueling outage costs	192,474	243,374
System agreement cost equalization	61,040	16,880
Prepayments and other	303,564	242,922
TOTAL	3,929,691	3,683,126
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	40,350	46,738
Decommissioning trust funds	4,903,144	4,190,108
Non-utility property - at cost (less accumulated depreciation)	199,375	256,039
Other	210,616	436,234
TOTAL	5,353,485	4,929,119
PROPERTY, PLANT AND EQUIPMENT
Electric	42,935,712	41,944,567
Property under capital lease	941,299	935,199
Natural gas	366,365	353,492
Construction work in progress	1,514,857	1,365,699
Nuclear fuel	1,566,904	1,598,430
TOTAL PROPERTY, PLANT AND EQUIPMENT	47,325,137	46,197,387
Less - accumulated depreciation and amortization	19,443,493	18,898,842
PROPERTY, PLANT AND EQUIPMENT - NET	27,881,644	27,298,545
Regulatory assets:
Regulatory asset for income taxes - net	849,718	742,030
Other regulatory assets	3,893,363	5,025,912
Deferred fuel costs	172,202	172,202
Goodwill	377,172	377,172
Accumulated deferred income taxes	62,011	37,748
Other	887,160	936,648
TOTAL	6,241,626	7,291,712
TOTAL ASSETS	43,406,446	43,202,502
CURRENT LIABILITIES
Currently maturing long-term debt	457,095	718,516
Notes payable	1,046,887	796,002
Accounts payable	1,173,313	1,217,180
Customer deposits	370,997	359,078
Taxes accrued	191,093	333,719
Accumulated deferred income taxes	28,307	13,109
Interest accrued	180,997	184,664
Deferred fuel costs	57,631	96,439
Obligations under capital leases	2,323	3,880
Pension and other postretirement liabilities	67,419	95,900
System agreement cost equalization	61,040	25,848
Other	423,470	261,986
TOTAL	4,060,572	4,106,321
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	8,724,635	8,311,756
Accumulated deferred investment tax credits	263,765	273,696
Obligations under capital leases	32,218	34,541
Other regulatory liabilities	1,295,955	898,614
Decommissioning trust fund	3,933,416	3,513,634
Accumulated provisions	115,139	362,226
Pension and other postretirement liabilities	2,320,704	3,725,886
Long-term debt	12,139,149	11,920,318
Other	583,667	577,910
TOTAL	29,408,648	29,618,581
Commitments and Contingencies
Subsidiaries' preferred stock without sinking fund	210,760	186,511
Common Shareholders' Equity:
Common stock	2,548	2,548
Paid-in capital	5,368,131	5,357,852
Retained earnings	9,825,053	9,704,591
Accumulated other comprehensive loss	(29,324)	(293,083)
Less - treasury stock, at cost (76,681,936 shares in 2013 and 76,945,239 shares in 2012)	5,533,942	5,574,819
Total common shareholders' equity	9,632,466	9,197,089
Subsidiaries' preferred stock without sinking fund	94,000	94,000
TOTAL	9,726,466	9,291,089
TOTAL LIABILITIES AND EQUITY	43,406,446	43,202,502
Entergy Arkansas [Member]
Cash and cash equivalents:
Cash	4,181	9,597
Temporary cash investments	122,841	24,936
Total cash and cash equivalents	127,022	34,533
Securitization recovery trust account	3,835	4,403
Accounts receivable:
Customer	102,328	98,036
Allowance for doubtful accounts	(30,113)	(28,343)
Associated companies	68,875	67,277
Other	94,256	71,956
Accrued unbilled revenues	82,298	72,902
Total accounts receivable	317,644	281,828
Deferred fuel costs	68,696	97,305
Accumulated deferred income taxes	33,556	72,196
Fuel inventory - at average cost	41,504	48,975
Materials and supplies - at average cost	152,429	148,682
Deferred nuclear refueling outage costs	31,135	38,410
System agreement cost equalization	30,000	0
Prepayments and other	58,911	10,586
TOTAL	864,732	736,918
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	710,913	600,578
Non-utility property - at cost (less accumulated depreciation)	1,664	1,671
Other	29,181	41,182
TOTAL	741,758	643,431
PROPERTY, PLANT AND EQUIPMENT
Electric	8,798,458	8,693,659
Property under capital lease	1,064	1,154
Construction work in progress	209,036	205,982
Nuclear fuel	321,901	303,825
TOTAL PROPERTY, PLANT AND EQUIPMENT	9,330,459	9,204,620
Less - accumulated depreciation and amortization	4,034,880	4,104,882
PROPERTY, PLANT AND EQUIPMENT - NET	5,295,579	5,099,738
Regulatory assets:
Regulatory asset for income taxes - net	73,864	80,751
Other regulatory assets	1,014,392	1,221,636
Other	44,565	36,971
TOTAL	1,132,821	1,339,358
TOTAL ASSETS	8,034,890	7,819,445
CURRENT LIABILITIES
Currently maturing long-term debt	70,000	330,000
Short-term borrowings	0	36,735
Associated companies accounts payable	149,802	39,288
Other	228,160	200,964
Customer deposits	86,512	85,198
Taxes accrued	9,979	214,969
Accumulated deferred income taxes	9,231	5,927
Interest accrued	22,036	28,418
Other	55,656	45,208
TOTAL	631,376	986,707
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	1,906,562	1,829,281
Accumulated deferred investment tax credits	38,958	40,947
Other regulatory liabilities	219,370	143,901
Decommissioning trust fund	723,771	680,712
Accumulated provisions	5,746	5,822
Pension and other postretirement liabilities	319,211	614,805
Long-term debt	2,335,802	1,793,895
Other	18,026	27,409
TOTAL	5,567,446	5,136,772
Commitments and Contingencies
Subsidiaries' preferred stock without sinking fund	116,350	116,350
Common Shareholders' Equity:
Common stock	470	470
Paid-in capital	588,471	588,444
Retained earnings	1,130,777	990,702
TOTAL	1,719,718	1,579,616
TOTAL LIABILITIES AND EQUITY	8,034,890	7,819,445
Entergy Gulf States Louisiana [Member]
Cash and cash equivalents:
Cash	1,739	35,085
Temporary cash investments	13,842	601
Total cash and cash equivalents	15,581	35,686
Accounts receivable:
Customer	69,648	53,480
Allowance for doubtful accounts	(909)	(711)
Associated companies	107,723	71,697
Other	22,945	18,736
Accrued unbilled revenues	58,867	51,586
Total accounts receivable	258,274	194,788
Deferred fuel costs	9,625	0
Fuel inventory - at average cost	26,555	26,967
Materials and supplies - at average cost	122,909	121,289
Deferred nuclear refueling outage costs	25,975	5,953
Prepaid taxes	22,008	0
Gas hedge contracts	2,238	0
Prepayments and other	12,452	7,911
TOTAL	495,617	392,594
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	289,664	289,664
Decommissioning trust funds	573,744	477,391
Non-utility property - at cost (less accumulated depreciation)	174,134	165,410
Storm reserve escrow account	21,538	86,984
Other	14,145	13,404
TOTAL	1,073,225	1,032,853
PROPERTY, PLANT AND EQUIPMENT
Electric	7,400,689	7,279,953
Natural gas	143,902	135,723
Construction work in progress	105,314	125,448
Nuclear fuel	196,508	146,768
TOTAL PROPERTY, PLANT AND EQUIPMENT	7,846,413	7,687,892
Less - accumulated depreciation and amortization	4,071,762	4,003,385
PROPERTY, PLANT AND EQUIPMENT - NET	3,774,651	3,684,507
Regulatory assets:
Regulatory asset for income taxes - net	165,456	171,051
Other regulatory assets	321,466	409,653
Deferred fuel costs	100,124	100,124
Other	12,049	12,337
TOTAL	599,095	693,165
TOTAL ASSETS	5,942,588	5,803,119
CURRENT LIABILITIES
Currently maturing long-term debt	0	75,000
Associated companies accounts payable	95,853	89,377
Other	103,314	97,509
Customer deposits	51,839	48,265
Taxes accrued	0	21,021
Accumulated deferred income taxes	36,330	22,249
Interest accrued	25,808	25,437
Deferred fuel costs	0	948
Pension and other postretirement liabilities	9,065	7,803
System agreement cost equalization	15,000	0
Gas hedge contracts	0	2,620
Other	19,032	11,999
TOTAL	356,241	402,228
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	1,512,547	1,403,195
Accumulated deferred investment tax credits	75,295	78,312
Other regulatory liabilities	159,429	103,444
Decommissioning trust fund	403,084	380,822
Accumulated provisions	37,146	97,230
Pension and other postretirement liabilities	274,315	416,220
Long-term debt	1,527,465	1,442,429
Long-term payables of associated companies	27,900	29,510
Other	108,189	66,725
TOTAL	4,125,370	4,017,887
Commitments and Contingencies
Common Shareholders' Equity:
Accumulated other comprehensive loss	(28,202)	(65,229)
Total common shareholders' equity	1,479,179	1,438,233
Subsidiaries' preferred stock without sinking fund	10,000	10,000
TOTAL	1,460,977	1,383,004
TOTAL LIABILITIES AND EQUITY	5,942,588	5,803,119
Entergy Louisiana [Member]
Cash and cash equivalents:
Cash	427	814
Temporary cash investments	123,580	29,272
Total cash and cash equivalents	124,007	30,086
Securitization recovery trust account	4,539	4,382
Accounts receivable:
Customer	144,836	86,072
Allowance for doubtful accounts	(965)	(867)
Associated companies	87,820	42,938
Other	21,420	9,354
Accrued unbilled revenues	93,073	79,354
Total accounts receivable	346,184	216,851
Deferred fuel costs	0	26,568
Accumulated deferred income taxes	100,022	113,319
Fuel inventory - at average cost	23,311	23,583
Materials and supplies - at average cost	156,487	152,170
Deferred nuclear refueling outage costs	13,670	44,457
Prepaid taxes	184,503	7,937
Gas hedge contracts	2,889	0
Prepayments and other	15,223	12,129
TOTAL	970,835	631,482
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	807,423	807,423
Decommissioning trust funds	347,274	287,418
Non-utility property - at cost (less accumulated depreciation)	396	578
Storm reserve escrow account	0	186,985
TOTAL	1,155,093	1,282,404
PROPERTY, PLANT AND EQUIPMENT
Electric	8,799,393	8,603,319
Property under capital lease	331,895	324,440
Construction work in progress	672,883	404,714
Nuclear fuel	147,385	204,019
TOTAL PROPERTY, PLANT AND EQUIPMENT	9,951,556	9,536,492
Less - accumulated depreciation and amortization	3,763,234	3,590,146
PROPERTY, PLANT AND EQUIPMENT - NET	6,188,322	5,946,346
Regulatory assets:
Regulatory asset for income taxes - net	309,617	193,114
Other regulatory assets	715,503	913,562
Deferred fuel costs	67,998	67,998
Other	43,025	39,178
TOTAL	1,136,143	1,213,852
TOTAL ASSETS	9,450,393	9,074,084
CURRENT LIABILITIES
Currently maturing long-term debt	320,231	14,236
Short-term borrowings	2,923	54,657
Associated companies accounts payable	83,655	103,454
Other	162,507	266,904
Customer deposits	90,393	88,805
Accumulated deferred income taxes	338	0
Interest accrued	42,072	37,264
Deferred fuel costs	30,392	0
Pension and other postretirement liabilities	10,255	9,170
System agreement cost equalization	17,000	0
Gas hedge contracts	0	3,442
Other	19,443	13,382
TOTAL	779,209	591,314
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	1,275,584	930,606
Accumulated deferred investment tax credits	67,347	70,193
Other regulatory liabilities	533,247	376,801
Decommissioning trust fund	479,086	418,122
Accumulated provisions	7,733	196,474
Pension and other postretirement liabilities	358,017	539,703
Long-term debt	2,899,285	2,811,859
Other	75,233	68,516
TOTAL	5,695,532	5,412,274
Commitments and Contingencies
Common Shareholders' Equity:
Accumulated other comprehensive loss	(9,635)	(46,132)
Total common shareholders' equity	2,885,287	3,016,628
Subsidiaries' preferred stock without sinking fund	100,000	100,000
TOTAL	2,975,652	3,070,496
TOTAL LIABILITIES AND EQUITY	9,450,393	9,074,084
Entergy Mississippi [Member]
Cash and cash equivalents:
Cash	22	585
Temporary cash investments	9	52,385
Total cash and cash equivalents	31	52,970
Accounts receivable:
Customer	76,534	49,836
Allowance for doubtful accounts	(906)	(910)
Associated companies	13,794	25,504
Other	9,117	11,072
Accrued unbilled revenues	44,777	43,045
Total accounts receivable	143,316	128,547
Deferred fuel costs	38,057	26,490
Accumulated deferred income taxes	0	44,027
Fuel inventory - at average cost	48,899	48,778
Materials and supplies - at average cost	40,849	40,331
System agreement cost equalization	15,000	0
Prepayments and other	4,813	5,329
TOTAL	290,965	346,472
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	4,670	4,698
Escrow accounts	51,795	61,836
TOTAL	56,465	66,534
PROPERTY, PLANT AND EQUIPMENT
Electric	3,875,737	3,708,743
Property under capital lease	5,329	8,112
Construction work in progress	37,316	62,876
TOTAL PROPERTY, PLANT AND EQUIPMENT	3,918,382	3,779,731
Less - accumulated depreciation and amortization	1,413,484	1,324,627
PROPERTY, PLANT AND EQUIPMENT - NET	2,504,898	2,455,104
Regulatory assets:
Regulatory asset for income taxes - net	58,716	63,614
Other regulatory assets	318,462	401,471
Other	20,819	20,832
TOTAL	397,997	485,917
TOTAL ASSETS	3,250,325	3,354,027
CURRENT LIABILITIES
Currently maturing long-term debt	0	100,000
Associated companies accounts payable	74,144	42,377
Other	52,129	44,856
Customer deposits	74,211	71,182
Taxes accrued	53,247	52,327
Accumulated deferred income taxes	15,413	218
Interest accrued	20,383	18,226
Other	19,021	21,511
TOTAL	308,548	350,697
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	746,939	761,812
Accumulated deferred investment tax credits	8,530	7,257
Obligations under capital leases	4,185	5,329
Other regulatory liabilities	2,509	1,235
Decommissioning trust fund	6,401	6,039
Accumulated provisions	35,674	35,820
Pension and other postretirement liabilities	66,722	160,866
Long-term debt	1,053,670	1,069,519
Other	15,189	25,426
TOTAL	1,939,819	2,073,303
Commitments and Contingencies
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	752,941	681,010
TOTAL	951,577	879,646
TOTAL LIABILITIES AND EQUITY	3,250,325	3,354,027
Entergy New Orleans [Member]
Cash and cash equivalents:
Cash	317	319
Temporary cash investments	33,172	9,072
Total cash and cash equivalents	33,489	9,391
Accounts receivable:
Customer	38,872	33,142
Allowance for doubtful accounts	(974)	(446)
Associated companies	32,273	29,326
Other	2,667	3,115
Accrued unbilled revenues	18,745	18,124
Total accounts receivable	91,583	83,261
Accumulated deferred income taxes	12,018	9,517
Fuel inventory - at average cost	2,999	1,777
Materials and supplies - at average cost	11,696	10,889
Prepaid taxes	0	1,377
Prepayments and other	4,178	3,201
TOTAL	155,963	119,413
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	1,016	1,016
Storm reserve escrow account	10,513	10,605
TOTAL	11,529	11,621
PROPERTY, PLANT AND EQUIPMENT
Electric	889,629	860,358
Natural gas	222,463	217,769
Construction work in progress	29,312	11,135
TOTAL PROPERTY, PLANT AND EQUIPMENT	1,141,404	1,089,262
Less - accumulated depreciation and amortization	566,948	549,587
PROPERTY, PLANT AND EQUIPMENT - NET	574,456	539,675
Regulatory assets:
Other regulatory assets	137,191	202,003
Deferred fuel costs	4,080	4,080
Other	5,577	4,997
TOTAL	146,848	211,080
TOTAL ASSETS	888,796	881,789
CURRENT LIABILITIES
Currently maturing long-term debt	0	70,000
Associated companies accounts payable	36,193	28,778
Other	27,840	31,209
Customer deposits	22,959	21,974
Taxes accrued	1,509	0
Interest accrued	3,598	3,020
Deferred fuel costs	23,145	2,157
System agreement cost equalization	17,040	16,880
Other	4,387	3,479
TOTAL	136,671	177,497
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	183,636	172,790
Accumulated deferred investment tax credits	1,082	1,300
Regulatory liability for income taxes - net	2,495	24,291
Other regulatory liabilities	26,361	11,060
Decommissioning trust fund	2,347	2,193
Accumulated provisions	15,000	15,031
Pension and other postretirement liabilities	32,497	83,790
Long-term debt	225,944	126,300
Gas system rebuild insurance proceeds	32,760	44,207
Other	3,940	7,985
TOTAL	526,062	488,947
Commitments and Contingencies
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	136,245	125,527
TOTAL	206,283	195,565
TOTAL LIABILITIES AND EQUITY	888,796	881,789
Entergy Texas [Member]
Cash and cash equivalents:
Cash	2,432	528
Temporary cash investments	44,056	59,708
Total cash and cash equivalents	46,488	60,236
Securitization recovery trust account	37,511	37,255
Accounts receivable:
Customer	76,957	53,836
Allowance for doubtful accounts	(443)	(680)
Associated companies	76,494	68,750
Other	10,897	10,450
Accrued unbilled revenues	43,067	38,252
Total accounts receivable	206,972	170,608
Accumulated deferred income taxes	0	34,988
Fuel inventory - at average cost	55,335	55,388
Materials and supplies - at average cost	34,068	32,853
System agreement cost equalization	16,040	16,880
Prepaid taxes	55,635	53,668
Prepayments and other	34,458	18,206
TOTAL	486,507	480,082
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	687	678
Non-utility property - at cost (less accumulated depreciation)	376	638
Other	18,161	17,263
TOTAL	19,224	18,579
PROPERTY, PLANT AND EQUIPMENT
Electric	3,616,061	3,475,776
Construction work in progress	94,743	90,469
TOTAL PROPERTY, PLANT AND EQUIPMENT	3,710,804	3,566,245
Less - accumulated depreciation and amortization	1,387,303	1,332,349
PROPERTY, PLANT AND EQUIPMENT - NET	2,323,501	2,233,896
Regulatory assets:
Regulatory asset for income taxes - net	129,069	131,287
Other regulatory assets	919,234	1,114,536
Long-term receivables - associated companies	27,900	29,510
Other	16,425	17,891
TOTAL	1,092,628	1,293,224
TOTAL ASSETS	3,921,860	4,025,781
CURRENT LIABILITIES
Currently maturing long-term debt	0	0
Associated companies accounts payable	112,309	88,743
Other	73,682	65,261
Customer deposits	38,721	38,859
Accumulated deferred income taxes	33,847	0
Interest accrued	31,246	32,166
Deferred fuel costs	4,093	93,334
Pension and other postretirement liabilities	786	853
System agreement cost equalization	12,000	8,968
Other	23,490	2,839
TOTAL	330,174	331,023
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	1,022,955	1,009,081
Accumulated deferred investment tax credits	16,147	17,743
Other regulatory liabilities	5,194	6,150
Decommissioning trust fund	4,349	4,103
Accumulated provisions	9,079	6,609
Pension and other postretirement liabilities	51,253	155,241
Long-term debt	1,556,939	1,617,813
Other	38,743	23,872
TOTAL	2,704,659	2,840,612
Commitments and Contingencies
Common Shareholders' Equity:
Common stock	49,452	49,452
Paid-in capital	481,994	481,994
Retained earnings	355,581	322,700
TOTAL	887,027	854,146
TOTAL LIABILITIES AND EQUITY	3,921,860	4,025,781
System Energy [Member]
Cash and cash equivalents:
Cash	62,561	100
Temporary cash investments	64,581	83,522
Total cash and cash equivalents	127,142	83,622
Accounts receivable:
Associated companies	104,419	93,381
Other	6,400	5,904
Total accounts receivable	110,819	99,285
Accumulated deferred income taxes	0	74,331
Materials and supplies - at average cost	85,118	82,443
Deferred nuclear refueling outage costs	7,853	35,155
Prepayments and other	1,727	2,080
TOTAL	332,659	376,916
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	603,896	490,572
TOTAL	603,896	490,572
PROPERTY, PLANT AND EQUIPMENT
Electric	4,124,647	3,987,672
Property under capital lease	570,872	569,355
Construction work in progress	29,061	40,392
Nuclear fuel	188,824	252,682
TOTAL PROPERTY, PLANT AND EQUIPMENT	4,913,404	4,850,101
Less - accumulated depreciation and amortization	2,699,263	2,568,862
PROPERTY, PLANT AND EQUIPMENT - NET	2,214,141	2,281,239
Regulatory assets:
Regulatory asset for income taxes - net	115,492	126,503
Other regulatory assets	261,740	330,074
Other	15,996	18,212
TOTAL	393,228	474,789
TOTAL ASSETS	3,543,924	3,623,516
CURRENT LIABILITIES
Currently maturing long-term debt	48,653	111,854
Short-term borrowings	0	39,986
Associated companies accounts payable	12,778	5,564
Other	31,862	44,433
Taxes accrued	11,121	181,477
Accumulated deferred income taxes	2,310	1,789
Interest accrued	11,825	15,619
Other	2,312	2,429
TOTAL	120,861	403,151
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	737,973	782,469
Accumulated deferred investment tax credits	54,786	56,188
Other regulatory liabilities	349,846	256,024
Decommissioning trust fund	616,157	478,371
Pension and other postretirement liabilities	79,411	142,617
Long-term debt	708,783	671,945
Other	0	22
TOTAL	2,546,956	2,387,636
Commitments and Contingencies
Common Shareholders' Equity:
Common stock	789,350	789,350
Retained earnings	86,757	43,379
TOTAL	876,107	832,729
TOTAL LIABILITIES AND EQUITY	$ 3,543,924	$ 3,623,516