Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Cash and cash equivalents:
Cash	$ 103,282	$ 63,497
Temporary cash investments	892,817	1,287,464
Total cash and cash equivalents	996,099	1,350,961
Accounts receivable:
Customer	542,598	608,491
Allowance for doubtful accounts	(42,938)	(39,895)
Other	237,480	178,364
Accrued unbilled revenues	432,830	321,940
Total accounts receivable	1,169,970	1,068,900
Deferred fuel costs	31,895	0
Fuel inventory - at average cost	208,224	217,810
Materials and supplies - at average cost	903,973	873,357
Deferred nuclear refueling outage costs	248,932	211,512
Prepayments and other	292,835	344,872
TOTAL	3,851,928	4,067,412
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	4,845	4,341
Decommissioning trust funds	5,555,651	5,349,953
Non-utility property - at cost (less accumulated depreciation)	225,996	219,999
Other	469,791	468,704
TOTAL	6,256,283	6,042,997
PROPERTY, PLANT, AND EQUIPMENT
Electric	46,947,112	44,467,159
Property under capital lease	610,225	952,465
Natural gas	400,423	392,032
Construction work in progress	1,258,370	1,456,735
Nuclear fuel	1,246,430	1,345,422
TOTAL PROPERTY, PLANT, AND EQUIPMENT	50,462,560	48,613,813
Less - accumulated depreciation and amortization	21,392,881	20,789,452
PROPERTY, PLANT, AND EQUIPMENT - NET	29,069,679	27,824,361
Regulatory assets:
Regulatory asset for income taxes - net	769,535	775,528
Other regulatory assets	4,603,489	4,704,796
Deferred fuel costs	239,001	238,902
Goodwill	377,172	377,172
Accumulated deferred income taxes	122,389	54,903
Other	587,566	561,610
TOTAL	6,699,152	6,712,911
TOTAL ASSETS	45,877,042	44,647,681
CURRENT LIABILITIES
Currently maturing long-term debt	671,732	214,374
Notes payable and commercial paper	1,024,888	494,348
Accounts payable	967,080	1,071,798
Customer deposits	424,977	419,407
Taxes Payable, Current	217,133	210,077
Interest accrued	185,021	194,565
Deferred fuel costs	271,736	235,986
Obligations under capital leases	2,815	2,709
Pension and other postretirement liabilities	62,789	62,513
Other	193,672	184,181
TOTAL	4,021,843	3,089,958
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	8,183,048	8,306,865
Accumulated deferred investment tax credits	228,917	234,300
Obligations under capital leases	25,567	27,001
Other regulatory liabilities	1,485,402	1,414,898
Decommissioning and asset retirement cost liabilities	4,868,788	4,790,187
Accumulated provisions	462,214	460,727
Pension and other postretirement liabilities	3,018,226	3,187,357
Long-term debt	13,112,072	13,111,556
Other	394,993	449,856
TOTAL	31,779,227	31,982,747
Subsidiaries' preferred stock without sinking fund	318,185	318,185
Common Shareholders' Equity:
Common stock	2,548	2,548
Paid-in capital	5,392,546	5,403,758
Retained earnings	9,887,350	9,393,913
Accumulated other comprehensive income (loss)	(9,155)	8,951
Less - treasury stock, at cost	5,515,502	5,552,379
TOTAL	9,757,787	9,256,791
TOTAL	9,757,787	9,256,791
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	45,877,042	44,647,681
Entergy Arkansas [Member]
Cash and cash equivalents:
Cash	13,780	9,066
Temporary cash investments	11,332	69
Total cash and cash equivalents	25,112	9,135
Securitization recovery trust account	3,187	4,204
Accounts receivable:
Customer	107,896	108,636
Allowance for doubtful accounts	(34,401)	(34,226)
Associated companies	33,069	32,987
Other	82,046	84,216
Accrued unbilled revenues	121,151	73,583
Total accounts receivable	309,761	265,196
Deferred fuel costs	31,895	0
Fuel inventory - at average cost	57,596	62,689
Materials and supplies - at average cost	178,563	169,919
Deferred nuclear refueling outage costs	38,372	67,834
Prepaid Taxes	119,415	30,291
Prepayments and other	25,692	15,145
TOTAL	789,593	624,413
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	802,763	771,313
Other	7,915	12,895
TOTAL	810,678	784,208
PROPERTY, PLANT, AND EQUIPMENT
Electric	10,171,128	9,536,802
Property under capital lease	779	844
Construction work in progress	309,915	388,075
Nuclear fuel	256,222	286,341
TOTAL PROPERTY, PLANT, AND EQUIPMENT	10,738,044	10,212,062
Less - accumulated depreciation and amortization	4,517,372	4,349,809
PROPERTY, PLANT, AND EQUIPMENT - NET	6,220,672	5,862,253
Regulatory assets:
Regulatory asset for income taxes - net	62,273	61,438
Other regulatory assets	1,325,890	1,333,773
Deferred fuel costs	66,799	66,700
Other	19,892	14,989
TOTAL	1,474,854	1,476,900
TOTAL ASSETS	9,295,797	8,747,774
CURRENT LIABILITIES
Currently maturing long-term debt	55,000	55,000
Short-term borrowings	12,599	11,690
Associated companies accounts payable	137,691	110,464
Other	130,621	177,758
Customer deposits	119,586	118,340
Interest accrued	18,790	19,883
Deferred fuel costs	0	8,853
Other	51,610	45,219
TOTAL	525,897	547,207
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	2,100,985	1,982,812
Accumulated deferred investment tax credits	35,906	36,506
Other regulatory liabilities	266,938	242,913
Decommissioning and asset retirement cost liabilities	898,750	872,346
Accumulated provisions	6,694	5,552
Pension and other postretirement liabilities	413,401	459,153
Long-term debt	2,775,658	2,574,839
Other	13,812	18,438
TOTAL	6,512,144	6,192,559
Subsidiaries' preferred stock without sinking fund	116,350	116,350
Common Shareholders' Equity:
Common stock	470	470
Paid-in capital	788,493	588,493
Retained earnings	1,352,443	1,302,695
TOTAL	2,141,406	1,891,658
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	9,295,797	8,747,774
Entergy Louisiana [Member]
Cash and cash equivalents:
Cash	24,659	348
Temporary cash investments	50,146	34,754
Total cash and cash equivalents	74,805	35,102
Accounts receivable:
Customer	167,646	179,051
Allowance for doubtful accounts	(6,633)	(4,209)
Associated companies	131,488	94,418
Other	112,044	56,793
Accrued unbilled revenues	180,343	143,079
Total accounts receivable	584,888	469,132
Fuel inventory - at average cost	53,098	48,045
Materials and supplies - at average cost	305,376	282,688
Deferred nuclear refueling outage costs	41,548	66,984
Hedging Assets, Current	12,817	0
Prepayments and other	45,300	28,294
TOTAL	1,117,832	930,245
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	1,390,587	1,390,587
Decommissioning trust funds	1,094,817	1,042,293
Non-utility property - at cost (less accumulated depreciation)	212,741	206,293
Storm Reserve Escrow Account	290,966	290,422
Other	28,920	14,776
TOTAL	3,018,031	2,944,371
PROPERTY, PLANT, AND EQUIPMENT
Electric	18,891,958	17,629,077
Property under capital lease	0	341,514
Natural gas	165,193	159,252
Construction work in progress	382,197	420,874
Nuclear fuel	289,234	386,524
TOTAL PROPERTY, PLANT, AND EQUIPMENT	19,728,582	18,937,241
Less - accumulated depreciation and amortization	8,594,494	8,302,774
PROPERTY, PLANT, AND EQUIPMENT - NET	11,134,088	10,634,467
Regulatory assets:
Regulatory asset for income taxes - net	474,456	478,243
Other regulatory assets	1,163,232	1,217,874
Deferred fuel costs	168,122	168,122
Other	20,081	14,125
TOTAL	1,825,891	1,878,364
TOTAL ASSETS	17,095,842	16,387,447
CURRENT LIABILITIES
Currently maturing long-term debt	61,004	29,372
Short-term borrowings	59,469	60,356
Associated companies accounts payable	102,443	165,419
Other	268,030	276,280
Customer deposits	148,760	146,555
Taxes Payable, Current	148,992	125,142
Interest accrued	70,164	74,380
Deferred fuel costs	69,327	65,234
Other	88,794	79,982
TOTAL	1,016,983	1,022,720
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	2,447,814	2,506,956
Accumulated deferred investment tax credits	129,251	131,760
Regulatory liability for income taxes - net	0	2,473
Other regulatory liabilities	848,739	818,623
Decommissioning and asset retirement cost liabilities	1,054,914	1,027,862
Accumulated provisions	312,016	310,282
Pension and other postretirement liabilities	797,246	833,185
Long-term debt	5,349,214	4,806,790
Long-term payables of associated companies	403	1,073
Other	143,027	188,411
TOTAL	11,082,624	10,627,415
Common Shareholders' Equity:
Accumulated other comprehensive income (loss)	(56,905)	(56,412)
Members' Equity	5,053,140	4,793,724
TOTAL	4,996,235	4,737,312
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	17,095,842	16,387,447
Entergy Mississippi [Member]
Cash and cash equivalents:
Cash	3,276	1,426
Temporary cash investments	105,277	144,179
Total cash and cash equivalents	108,553	145,605
Accounts receivable:
Customer	39,890	56,685
Allowance for doubtful accounts	(505)	(718)
Associated companies	47,985	34,964
Other	7,436	8,276
Accrued unbilled revenues	63,542	47,284
Total accounts receivable	158,348	146,491
Fuel inventory - at average cost	56,313	51,273
Materials and supplies - at average cost	40,180	39,491
Prepayments and other	14,015	5,184
TOTAL	377,409	388,044
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	4,617	4,625
Escrow accounts	31,786	41,726
TOTAL	36,403	46,351
PROPERTY, PLANT, AND EQUIPMENT
Electric	4,188,885	4,083,933
Property under capital lease	2,281	2,942
Construction work in progress	103,644	114,067
TOTAL PROPERTY, PLANT, AND EQUIPMENT	4,294,810	4,200,942
Less - accumulated depreciation and amortization	1,559,956	1,534,522
PROPERTY, PLANT, AND EQUIPMENT - NET	2,734,854	2,666,420
Regulatory assets:
Regulatory asset for income taxes - net	40,744	45,790
Other regulatory assets	338,040	328,681
Other	5,143	2,121
TOTAL	383,927	376,592
TOTAL ASSETS	3,532,593	3,477,407
CURRENT LIABILITIES
Currently maturing long-term debt	0	125,000
Associated companies accounts payable	38,899	38,496
Other	63,384	51,502
Customer deposits	83,180	81,583
Taxes Payable, Current	23,044	43,461
Interest accrued	20,247	20,831
Deferred fuel costs	107,862	107,754
Other	12,471	22,754
TOTAL	349,087	491,381
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	825,814	810,635
Accumulated deferred investment tax credits	4,565	4,645
Decommissioning and asset retirement cost liabilities	8,484	8,252
Accumulated provisions	47,874	48,062
Pension and other postretirement liabilities	109,292	120,217
Long-term debt	1,091,938	920,085
Other	9,210	11,699
TOTAL	2,097,177	1,923,595
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	837,312	813,414
TOTAL	1,035,948	1,012,050
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	3,532,593	3,477,407
Entergy New Orleans [Member]
Cash and cash equivalents:
Cash	1,206	1,068
Temporary cash investments	23,412	87,808
Total cash and cash equivalents	24,618	88,876
Securitization recovery trust account	1,335	4,620
Accounts receivable:
Customer	43,032	34,627
Allowance for doubtful accounts	(843)	(268)
Associated companies	13,120	23,248
Other	6,027	3,753
Accrued unbilled revenues	21,321	17,799
Total accounts receivable	82,657	79,159
Fuel inventory - at average cost	90	1,912
Materials and supplies - at average cost	15,273	13,244
Prepayments and other	15,974	10,263
TOTAL	139,947	198,074
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	1,016	1,016
Storm Reserve Escrow Account	81,206	81,002
Other	7,160	3
TOTAL	89,382	82,021
PROPERTY, PLANT, AND EQUIPMENT
Electric	1,236,377	1,051,239
Natural gas	235,229	232,780
Construction work in progress	26,119	29,027
TOTAL PROPERTY, PLANT, AND EQUIPMENT	1,497,725	1,313,046
Less - accumulated depreciation and amortization	594,956	648,081
PROPERTY, PLANT, AND EQUIPMENT - NET	902,769	664,965
Regulatory assets:
Other regulatory assets	259,523	265,322
Deferred fuel costs	4,080	4,080
Other	1,458	682
TOTAL	265,061	270,084
TOTAL ASSETS	1,397,159	1,215,144
CURRENT LIABILITIES
Current payable due Entergy Louisiana	4,973	4,973
Associated companies accounts payable	37,805	37,467
Other	26,164	21,471
Customer deposits	28,471	28,392
Taxes Payable, Current	36,982	0
Interest accrued	5,164	4,909
Deferred fuel costs	15,357	29,021
Other	11,647	6,216
TOTAL	166,563	132,449
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	190,793	214,061
Accumulated deferred investment tax credits	687	753
Regulatory liability for income taxes - net	10,591	13,199
Decommissioning and asset retirement cost liabilities	2,779	2,687
Accumulated provisions	85,991	84,187
Pension and other postretirement liabilities	35,364	43,609
Long-term debt	433,595	317,380
Gas system rebuild insurance proceeds	7,105	12,788
Long-term payable due to Entergy Louisiana	20,527	20,527
Other	10,074	3,692
TOTAL	797,506	712,883
Subsidiaries' preferred stock without sinking fund	19,780	19,780
Common Shareholders' Equity:
Common stock	33,744	33,744
Paid-in capital	171,544	123,794
Retained earnings	208,022	192,494
TOTAL	413,310	350,032
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,397,159	1,215,144
Entergy Texas [Member]
Cash and cash equivalents:
Cash	1,300	2,153
Temporary cash investments	54,637	29
Total cash and cash equivalents	55,937	2,182
Securitization recovery trust account	29,449	38,161
Accounts receivable:
Customer	58,963	61,870
Allowance for doubtful accounts	(556)	(474)
Associated companies	80,944	42,279
Other	13,944	11,054
Accrued unbilled revenues	46,472	40,195
Total accounts receivable	199,767	154,924
Fuel inventory - at average cost	32,813	46,942
Materials and supplies - at average cost	36,730	34,994
Prepayments and other	17,235	17,975
TOTAL	371,931	295,178
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	605	620
Non-utility property - at cost (less accumulated depreciation)	376	376
Other	20,667	20,186
TOTAL	21,648	21,182
PROPERTY, PLANT, AND EQUIPMENT
Electric	4,103,274	3,923,100
Construction work in progress	158,630	210,964
TOTAL PROPERTY, PLANT, AND EQUIPMENT	4,261,904	4,134,064
Less - accumulated depreciation and amortization	1,494,506	1,477,529
PROPERTY, PLANT, AND EQUIPMENT - NET	2,767,398	2,656,535
Regulatory assets:
Regulatory asset for income taxes - net	107,715	107,499
Other regulatory assets	769,268	812,862
Other	6,741	5,326
TOTAL	883,724	925,687
TOTAL ASSETS	4,044,701	3,898,582
CURRENT LIABILITIES
Associated companies accounts payable	96,270	106,065
Other	71,430	87,421
Customer deposits	44,981	44,537
Taxes Payable, Current	56,973	5,333
Interest accrued	26,487	29,206
Deferred fuel costs	79,190	25,124
Other	13,678	10,363
TOTAL	389,009	308,049
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	964,794	1,006,834
Accumulated deferred investment tax credits	13,384	13,835
Other regulatory liabilities	6,269	6,396
Decommissioning and asset retirement cost liabilities	6,294	6,124
Accumulated provisions	7,193	9,319
Pension and other postretirement liabilities	64,678	77,517
Long-term debt	1,539,889	1,451,967
Other	53,115	57,085
TOTAL	2,655,616	2,629,077
Common Shareholders' Equity:
Common stock	49,452	49,452
Paid-in capital	481,994	481,994
Retained earnings	468,630	430,010
TOTAL	1,000,076	961,456
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	4,044,701	3,898,582
System Energy [Member]
Cash and cash equivalents:
Cash	792	8,681
Temporary cash investments	138,002	221,980
Total cash and cash equivalents	138,794	230,661
Accounts receivable:
Associated companies	68,252	93,724
Other	4,107	4,574
Total accounts receivable	72,359	98,298
Materials and supplies - at average cost	81,551	87,366
Deferred nuclear refueling outage costs	34,887	5,605
Prepaid Taxes	70,281	9,327
Prepayments and other	6,818	1,955
TOTAL	404,690	433,212
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	741,112	701,460
TOTAL	741,112	701,460
PROPERTY, PLANT, AND EQUIPMENT
Electric	4,327,329	4,253,949
Property under capital lease	575,027	575,027
Construction work in progress	56,277	92,546
Nuclear fuel	263,116	183,706
TOTAL PROPERTY, PLANT, AND EQUIPMENT	5,221,749	5,105,228
Less - accumulated depreciation and amortization	3,013,134	2,961,842
PROPERTY, PLANT, AND EQUIPMENT - NET	2,208,615	2,143,386
Regulatory assets:
Regulatory asset for income taxes - net	94,937	98,230
Other regulatory assets	360,967	347,830
Other	4,864	4,757
TOTAL	460,768	450,817
TOTAL ASSETS	3,815,185	3,728,875
CURRENT LIABILITIES
Currently maturing long-term debt	50,002	2
Short-term borrowings	99,617	0
Associated companies accounts payable	6,939	7,391
Other	22,383	34,010
Interest accrued	14,038	14,183
Other	1,937	1,926
TOTAL	194,916	57,512
NON-CURRENT LIABILITIES
Accumulated deferred income taxes and taxes accrued	1,097,454	1,019,075
Accumulated deferred investment tax credits	43,841	45,451
Other regulatory liabilities	353,331	337,424
Decommissioning and asset retirement cost liabilities	828,385	803,405
Pension and other postretirement liabilities	103,193	112,264
Long-term debt	500,924	572,665
Other	14	0
TOTAL	2,927,142	2,890,284
Common Shareholders' Equity:
Common stock	679,350	719,350
Retained earnings	13,777	61,729
TOTAL	693,127	781,079
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 3,815,185	$ 3,728,875