Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017		Jun. 30, 2016
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	$ 10,684	$ (34,576)	$ 10,325		$ (39,777)
OPERATING REVENUES
Electric	2,271,220	2,093,331	4,262,960		4,135,492
Natural gas	30,075	25,121	73,426		70,734
Competitive businesses	317,255	344,110	870,622		866,189
TOTAL	2,618,550	2,462,562	5,207,008		5,072,415
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	395,947	381,465	813,513		886,432
Purchased power	416,497	242,672	774,264		504,996
Nuclear refueling outage expenses	38,288	47,045	80,853		98,276
Other operation and maintenance	820,297	759,258	1,687,845		1,491,174
Asset Write-Offs, Impairments, And Related Charges	193,571	6,969	405,362		14,329
Decommissioning	100,296	76,625	214,669		145,253
Taxes other than income taxes	153,264	149,249	309,616		299,027
Depreciation and amortization	350,328	335,668	697,593		669,939
Other regulatory charges (credits) - net	6,553	21,353	(78,749)		22,512
TOTAL	2,475,041	2,020,304	4,904,966		4,131,938
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	0	0	(16,270)		0
OPERATING INCOME	143,509	442,258	318,312		940,477
OTHER INCOME
Allowance for equity funds used during construction	22,376	13,860	41,384		32,792
Investment Income, Net	80,097	46,375	136,646		79,128
Miscellaneous - net	(6,872)	(8,377)	(1,371)		(18,963)
TOTAL	95,601	51,858	176,659		92,957
INTEREST EXPENSE
Interest expense	173,377	177,631	344,466		351,442
Allowance for borrowed funds used during construction	(10,523)	(7,132)	(19,565)		(16,813)
TOTAL	162,854	170,499	324,901		334,629
INCOME BEFORE INCOME TAXES	76,256	323,617	170,070		698,805
Income taxes	(337,112)	(248,973)	(329,350)		(109,027)
CONSOLIDATED NET INCOME	413,368	572,590	499,420	[1]	807,832	[1]
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	3,446	5,276	6,892		10,552
EARNINGS APPLICABLE TO COMMON STOCK	$ 409,922	$ 567,314	$ 492,528		$ 797,280
Earnings per average common share:
Basic (in dollars per share)	$ 2.28	$ 3.17	$ 2.75		$ 4.46
Diluted (in dollars per share)	2.27	3.16	2.74		4.45
Dividends declared per common share (in dollars per share)	$ 0.87	$ 0.85	$ 1.74		$ 1.70
Basic average number of common shares outstanding (in shares)	179,475,346	178,808,149	179,405,592		178,693,342
Diluted average number of common shares outstanding (in shares)	180,234,694	179,503,582	180,032,233		179,233,209
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	$ 5,839	$ 2,779	$ 12,216		$ 3,037
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	2,870	19,515	42,164		37,873
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	(403)	(487)	(403)		(640)
Entergy Arkansas [Member]
OPERATING REVENUES
Electric	496,662	504,252	971,013		969,625
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	50,691	88,022	150,100		168,959
Purchased power	74,552	49,714	129,685		111,518
Nuclear refueling outage expenses	17,335	14,981	36,954		30,050
Other operation and maintenance	171,821	173,909	337,678		326,815
Decommissioning	14,106	13,301	28,001		26,404
Taxes other than income taxes	25,128	22,961	49,179		46,047
Depreciation and amortization	69,087	67,115	136,153		130,288
Other regulatory charges (credits) - net	4,948	802	(5,578)		1,719
TOTAL	427,668	430,805	862,172		841,800
OPERATING INCOME	68,994	73,447	108,841		127,825
OTHER INCOME
Allowance for equity funds used during construction	5,432	3,995	9,782		8,927
Investment Income, Net	14,195	5,770	21,127		9,364
Miscellaneous - net	(57)	(1,020)	(164)		(1,795)
TOTAL	19,570	8,745	30,745		16,496
INTEREST EXPENSE
Interest expense	28,514	27,792	55,766		60,574
Allowance for borrowed funds used during construction	(2,552)	(2,136)	(4,514)		(4,851)
TOTAL	25,962	25,656	51,252		55,723
INCOME BEFORE INCOME TAXES	62,602	56,536	88,334		88,598
Income taxes	24,052	22,645	35,480		35,413
CONSOLIDATED NET INCOME	38,550	33,891	52,854		53,185
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	357	1,718	714		3,437
EARNINGS APPLICABLE TO COMMON STOCK	38,193	32,173	52,140		49,748
Entergy Louisiana [Member]
OPERATING REVENUES
Electric	1,072,126	989,732	1,936,202		1,926,163
Natural gas	11,308	9,302	28,015		28,016
TOTAL	1,083,434	999,034	1,964,217		1,954,179
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	180,056	152,340	334,100		354,423
Purchased power	282,673	224,699	522,500		416,097
Nuclear refueling outage expenses	12,764	12,974	24,949		25,754
Other operation and maintenance	243,217	232,957	466,447		439,021
Decommissioning	12,283	11,658	24,406		23,166
Taxes other than income taxes	45,076	44,366	90,359		86,728
Depreciation and amortization	116,107	112,452	231,737		222,043
Other regulatory charges (credits) - net	(2,521)	13,836	(76,708)		11,577
TOTAL	889,655	805,282	1,617,790		1,578,809
OPERATING INCOME	193,779	193,752	346,427		375,370
OTHER INCOME
Allowance for equity funds used during construction	11,109	4,506	21,099		11,744
Investment Income, Net	41,919	40,251	81,749		77,667
Miscellaneous - net	(2,650)	(1,870)	(5,674)		(5,615)
TOTAL	50,378	42,887	97,174		83,796
INTEREST EXPENSE
Interest expense	68,483	70,787	135,798		135,863
Allowance for borrowed funds used during construction	(5,541)	(2,383)	(10,715)		(6,280)
TOTAL	62,942	68,404	125,083		129,583
INCOME BEFORE INCOME TAXES	181,215	168,235	318,518		329,583
Income taxes	56,736	(85,090)	99,661		(35,348)
CONSOLIDATED NET INCOME	124,479	253,325	218,857		364,931
Earnings per average common share:
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	(292)	(144)	(524)		(259)
Entergy Mississippi [Member]
OPERATING REVENUES
Electric	291,212	248,138	549,655		511,184
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	46,048	(34)	85,188		61,346
Purchased power	75,253	74,361	146,323		129,744
Other operation and maintenance	59,535	60,381	114,708		111,654
Taxes other than income taxes	23,978	20,487	47,950		43,984
Depreciation and amortization	35,442	34,010	70,759		67,308
Other regulatory charges (credits) - net	(4,306)	(2,957)	(10,143)		(6,315)
TOTAL	235,950	186,248	454,785		407,721
OPERATING INCOME	55,262	61,890	94,870		103,463
OTHER INCOME
Allowance for equity funds used during construction	2,332	1,345	4,175		2,631
Investment Income, Net	7	240	33		361
Miscellaneous - net	(553)	(1,050)	(978)		(1,755)
TOTAL	1,786	535	3,230		1,237
INTEREST EXPENSE
Interest expense	12,568	15,258	25,240		30,000
Allowance for borrowed funds used during construction	(913)	(691)	(1,633)		(1,358)
TOTAL	11,655	14,567	23,607		28,642
INCOME BEFORE INCOME TAXES	45,393	47,858	74,493		76,058
Income taxes	17,090	15,664	29,032		26,746
CONSOLIDATED NET INCOME	28,303	32,194	45,461		49,312
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	239	707	477		1,414
EARNINGS APPLICABLE TO COMMON STOCK	28,064	31,487	44,984		47,898
Entergy New Orleans [Member]
OPERATING REVENUES
Electric	157,455	149,101	299,800		271,542
Natural gas	18,767	15,819	45,411		42,718
TOTAL	176,222	164,920	345,211		314,260
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	22,961	12,554	53,036		23,475
Purchased power	73,105	70,583	141,464		139,108
Other operation and maintenance	25,296	28,659	47,808		51,501
Taxes other than income taxes	13,416	10,925	26,262		22,437
Depreciation and amortization	13,020	13,908	26,070		25,672
Other regulatory charges (credits) - net	818	1,378	1,203		3,274
TOTAL	148,616	138,007	295,843		265,467
OPERATING INCOME	27,606	26,913	49,368		48,793
OTHER INCOME
Allowance for equity funds used during construction	552	143	1,002		456
Investment Income, Net	164	30	299		99
Miscellaneous - net	40	192	138		(53)
TOTAL	756	365	1,439		502
INTEREST EXPENSE
Interest expense	5,356	5,984	10,699		10,357
Allowance for borrowed funds used during construction	(193)	(49)	(351)		(175)
TOTAL	5,163	5,935	10,348		10,182
INCOME BEFORE INCOME TAXES	23,199	21,343	40,459		39,113
Income taxes	8,317	9,500	14,599		16,103
CONSOLIDATED NET INCOME	14,882	11,843	25,860		23,010
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	241	241	482		482
EARNINGS APPLICABLE TO COMMON STOCK	14,641	11,602	25,378		22,528
Entergy Texas [Member]
OPERATING REVENUES
Electric	378,488	412,922	742,415		791,226
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	46,142	71,478	104,155		163,882
Purchased power	160,325	167,071	310,709		297,483
Other operation and maintenance	56,577	54,135	110,483		107,170
Taxes other than income taxes	19,251	18,285	38,695		36,595
Depreciation and amortization	29,373	26,495	57,484		52,114
Other regulatory charges (credits) - net	19,033	17,419	34,260		34,674
TOTAL	330,701	354,883	655,786		691,918
OPERATING INCOME	47,787	58,039	86,629		99,308
OTHER INCOME
Allowance for equity funds used during construction	1,632	2,270	2,913		4,702
Investment Income, Net	211	268	412		468
Miscellaneous - net	(631)	(54)	(813)		(470)
TOTAL	1,212	2,484	2,512		4,700
INTEREST EXPENSE
Interest expense	21,427	21,976	43,235		43,577
Allowance for borrowed funds used during construction	(1,001)	(1,473)	(1,762)		(3,054)
TOTAL	20,426	20,503	41,473		40,523
INCOME BEFORE INCOME TAXES	28,573	40,020	47,668		63,485
Income taxes	7,472	15,962	15,713		24,865
CONSOLIDATED NET INCOME	21,101	24,058	31,955		38,620
System Energy [Member]
OPERATING REVENUES
Electric	164,956	151,323	319,743		289,016
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	21,660	20,394	36,994		33,822
Nuclear refueling outage expenses	4,387	4,905	9,160		9,489
Other operation and maintenance	54,310	35,766	102,711		67,926
Decommissioning	13,452	12,593	26,684		24,980
Taxes other than income taxes	6,664	6,385	13,088		12,637
Depreciation and amortization	35,187	35,384	70,628		70,091
Other regulatory charges (credits) - net	(11,421)	(9,124)	(21,783)		(22,415)
TOTAL	124,239	106,303	237,482		196,530
OPERATING INCOME	40,717	45,020	82,261		92,486
OTHER INCOME
Allowance for equity funds used during construction	1,318	1,602	2,412		4,331
Investment Income, Net	3,723	5,124	8,397		8,398
Miscellaneous - net	(103)	(164)	(231)		(256)
TOTAL	4,938	6,562	10,578		12,473
INTEREST EXPENSE
Interest expense	9,181	9,382	18,300		18,934
Allowance for borrowed funds used during construction	(322)	(401)	(589)		(1,097)
TOTAL	8,859	8,981	17,711		17,837
INCOME BEFORE INCOME TAXES	36,796	42,601	75,128		87,122
Income taxes	17,446	17,511	35,431		36,074
CONSOLIDATED NET INCOME	$ 19,350	$ 25,090	$ 39,697		$ 51,048

[1] (a) Consolidated net income and preferred dividend requirements of subsidiaries for 2017 and 2016 include $6.9 million and $10.6 million, respectively, of preferred dividends on subsidiaries’ preferred stock without sinking fund that is not presented within equity.