Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017		Sep. 30, 2016
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	$ 7,062	$ 11,172	$ 17,387		$ (28,605)
OPERATING REVENUES
Electric	2,793,798	2,624,562	7,056,758		6,760,054
Natural gas	26,585	24,796	100,011		95,530
Competitive businesses	423,245	475,345	1,293,867		1,341,534
TOTAL	3,243,628	3,124,703	8,450,636		8,197,118
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	612,950	460,990	1,426,462		1,347,422
Purchased power	408,140	375,107	1,182,404		880,102
Nuclear refueling outage expenses	43,273	56,675	124,126		154,951
Other operation and maintenance	804,535	833,176	2,492,379		2,324,350
Asset Write-Offs, Impairments, And Related Charges	16,221	18,841	421,584		33,170
Decommissioning	95,392	85,266	310,062		230,519
Taxes other than income taxes	159,474	149,076	469,090		448,103
Depreciation and amortization	354,739	340,399	1,052,332		1,010,339
Other regulatory charges (credits) - net	19,435	33,113	(59,314)		55,626
TOTAL	2,514,159	2,352,643	7,419,125		6,484,582
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	0	0	(16,270)		0
OPERATING INCOME	729,469	772,060	1,047,781		1,712,536
OTHER INCOME
Allowance for equity funds used during construction	24,338	15,451	65,722		48,242
Investment Income, Net	58,332	37,534	194,978		116,662
Miscellaneous - net	(1,801)	(6,740)	(3,172)		(25,702)
TOTAL	80,869	46,245	257,528		139,202
INTEREST EXPENSE
Interest expense	178,391	174,902	522,857		526,344
Allowance for borrowed funds used during construction	(11,492)	(7,707)	(31,057)		(24,520)
TOTAL	166,899	167,195	491,800		501,824
INCOME BEFORE INCOME TAXES	643,439	651,110	813,509		1,349,914
Income taxes	241,795	257,906	(87,555)		148,879
CONSOLIDATED NET INCOME	401,644	393,204	901,064	[1]	1,201,035	[1]
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	3,446	5,034	10,338		15,586
EARNINGS APPLICABLE TO COMMON STOCK	$ 398,198	$ 388,170	$ 890,726		$ 1,185,449
Earnings per average common share:
Basic (in dollars per share)	$ 2.22	$ 2.17	$ 4.96		$ 6.63
Diluted (in dollars per share)	2.21	2.16	4.94		6.60
Dividends declared per common share (in dollars per share)	$ 0.87	$ 0.85	$ 2.61		$ 2.55
Basic average number of common shares outstanding (in shares)	179,563,819	179,023,351	179,458,914		178,804,148
Diluted average number of common shares outstanding (in shares)	180,464,069	179,990,888	180,163,074		179,490,060
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	$ 6,818	$ 4,064	$ 19,034		$ 7,101
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	30,644	20,635	72,808		58,508
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	0	(48)	(403)		(688)
Entergy Arkansas [Member]
OPERATING REVENUES
Electric	673,226	654,599	1,644,239		1,624,224
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	133,254	105,147	283,354		274,106
Purchased power	63,423	52,023	193,108		163,541
Nuclear refueling outage expenses	22,988	14,554	59,942		44,604
Other operation and maintenance	175,013	187,294	512,691		514,109
Decommissioning	14,320	13,504	42,321		39,908
Taxes other than income taxes	29,259	24,931	78,438		70,978
Depreciation and amortization	70,433	67,309	206,586		197,597
Other regulatory charges (credits) - net	(5,219)	1,177	(10,797)		2,896
TOTAL	503,471	465,939	1,365,643		1,307,739
OPERATING INCOME	169,755	188,660	278,596		316,485
OTHER INCOME
Allowance for equity funds used during construction	4,140	3,734	13,922		12,661
Investment Income, Net	6,738	5,410	27,865		14,774
Miscellaneous - net	183	812	19		(983)
TOTAL	11,061	9,956	41,806		26,452
INTEREST EXPENSE
Interest expense	31,010	28,152	86,776		88,726
Allowance for borrowed funds used during construction	(1,944)	(2,000)	(6,458)		(6,851)
TOTAL	29,066	26,152	80,318		81,875
INCOME BEFORE INCOME TAXES	151,750	172,464	240,084		261,062
Income taxes	59,112	62,316	94,592		97,729
CONSOLIDATED NET INCOME	92,638	110,148	145,492		163,333
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	357	1,476	1,071		4,913
EARNINGS APPLICABLE TO COMMON STOCK	92,281	108,672	144,421		158,420
Entergy Louisiana [Member]
OPERATING REVENUES
Electric	1,280,475	1,240,217	3,216,677		3,166,380
Natural gas	10,019	9,235	38,034		37,251
TOTAL	1,290,494	1,249,452	3,254,711		3,203,631
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	301,584	261,979	635,684		616,402
Purchased power	273,325	261,212	795,825		677,309
Nuclear refueling outage expenses	13,616	12,894	38,565		38,648
Other operation and maintenance	238,249	229,717	704,696		668,738
Decommissioning	12,444	11,812	36,850		34,978
Taxes other than income taxes	45,059	38,129	135,418		124,857
Depreciation and amortization	117,923	114,251	349,660		336,294
Other regulatory charges (credits) - net	(1,795)	6,507	(78,503)		18,084
TOTAL	1,000,405	936,501	2,618,195		2,515,310
OPERATING INCOME	290,089	312,951	636,516		688,321
OTHER INCOME
Allowance for equity funds used during construction	13,393	6,735	34,492		18,479
Investment Income, Net	42,662	38,731	124,411		116,398
Miscellaneous - net	(2,957)	(4,429)	(8,631)		(10,044)
TOTAL	53,098	41,037	150,272		124,833
INTEREST EXPENSE
Interest expense	69,518	68,396	205,316		204,259
Allowance for borrowed funds used during construction	(6,713)	(3,455)	(17,428)		(9,735)
TOTAL	62,805	64,941	187,888		194,524
INCOME BEFORE INCOME TAXES	280,382	289,047	598,900		618,630
Income taxes	94,098	99,541	193,759		64,193
CONSOLIDATED NET INCOME	186,284	189,506	405,141		554,437
Earnings per average common share:
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	(232)	(145)	(756)		(404)
Entergy Mississippi [Member]
OPERATING REVENUES
Electric	349,197	309,739	898,852		820,923
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	61,681	3,444	146,869		64,790
Purchased power	90,086	87,070	236,409		216,814
Other operation and maintenance	57,491	67,155	172,199		178,809
Taxes other than income taxes	23,568	24,837	71,518		68,821
Depreciation and amortization	36,176	34,438	106,935		101,746
Other regulatory charges (credits) - net	(3,840)	4,483	(13,983)		(1,832)
TOTAL	265,162	221,427	719,947		629,148
OPERATING INCOME	84,035	88,312	178,905		191,775
OTHER INCOME
Allowance for equity funds used during construction	2,566	1,441	6,741		4,072
Investment Income, Net	0	129	33		490
Miscellaneous - net	(54)	(849)	(1,032)		(2,604)
TOTAL	2,512	721	5,742		1,958
INTEREST EXPENSE
Interest expense	12,713	13,866	37,953		43,866
Allowance for borrowed funds used during construction	(1,048)	(741)	(2,681)		(2,099)
TOTAL	11,665	13,125	35,272		41,767
INCOME BEFORE INCOME TAXES	74,882	75,908	149,375		151,966
Income taxes	28,337	29,296	57,369		56,042
CONSOLIDATED NET INCOME	46,545	46,612	92,006		95,924
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	238	707	715		2,121
EARNINGS APPLICABLE TO COMMON STOCK	46,307	45,905	91,291		93,803
Entergy New Orleans [Member]
OPERATING REVENUES
Electric	182,451	185,775	482,251		457,317
Natural gas	16,566	15,561	61,977		58,279
TOTAL	199,017	201,336	544,228		515,596
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	26,082	19,231	79,118		42,706
Purchased power	79,137	82,581	220,601		221,689
Other operation and maintenance	26,448	27,251	74,256		78,752
Taxes other than income taxes	15,135	13,409	41,397		35,846
Depreciation and amortization	13,286	13,047	39,356		38,719
Other regulatory charges (credits) - net	5,514	3,538	6,717		6,812
TOTAL	165,602	159,057	461,445		424,524
OPERATING INCOME	33,415	42,279	82,783		91,072
OTHER INCOME
Allowance for equity funds used during construction	654	311	1,656		767
Investment Income, Net	222	58	521		157
Miscellaneous - net	39	(92)	177		(144)
TOTAL	915	277	2,354		780
INTEREST EXPENSE
Interest expense	5,313	5,373	16,012		15,730
Allowance for borrowed funds used during construction	(229)	(116)	(580)		(291)
TOTAL	5,084	5,257	15,432		15,439
INCOME BEFORE INCOME TAXES	29,246	37,299	69,705		76,413
Income taxes	10,717	13,598	25,316		29,701
CONSOLIDATED NET INCOME	18,529	23,701	44,389		46,712
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	241	241	724		724
EARNINGS APPLICABLE TO COMMON STOCK	18,288	23,460	43,665		45,988
Entergy Texas [Member]
OPERATING REVENUES
Electric	432,909	442,085	1,175,324		1,233,311
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	60,292	21,919	164,447		185,801
Purchased power	163,532	189,213	474,241		486,696
Other operation and maintenance	51,917	50,536	162,400		157,706
Taxes other than income taxes	20,811	17,486	59,506		54,081
Depreciation and amortization	29,788	27,412	87,272		79,526
Other regulatory charges (credits) - net	27,619	27,555	61,879		62,229
TOTAL	353,959	334,121	1,009,745		1,026,039
OPERATING INCOME	78,950	107,964	165,579		207,272
OTHER INCOME
Allowance for equity funds used during construction	1,849	1,472	4,762		6,174
Investment Income, Net	244	221	656		689
Miscellaneous - net	1,298	(256)	485		(726)
TOTAL	3,391	1,437	5,903		6,137
INTEREST EXPENSE
Interest expense	21,714	22,416	64,949		65,993
Allowance for borrowed funds used during construction	(1,134)	(954)	(2,896)		(4,008)
TOTAL	20,580	21,462	62,053		61,985
INCOME BEFORE INCOME TAXES	61,761	87,939	109,429		151,424
Income taxes	22,173	31,806	37,886		56,671
CONSOLIDATED NET INCOME	39,588	56,133	71,543		94,753
System Energy [Member]
OPERATING REVENUES
Electric	156,106	114,039	475,849		403,056
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	16,170	(7,393)	53,164		26,429
Nuclear refueling outage expenses	4,435	4,958	13,595		14,448
Other operation and maintenance	51,392	32,867	154,103		100,793
Decommissioning	8,290	12,802	34,974		37,782
Taxes other than income taxes	6,679	6,256	19,767		18,894
Depreciation and amortization	34,524	30,811	105,152		100,902
Other regulatory charges (credits) - net	(2,843)	(10,148)	(24,626)		(32,564)
TOTAL	118,647	70,153	356,129		266,684
OPERATING INCOME	37,459	43,886	119,720		136,372
OTHER INCOME
Allowance for equity funds used during construction	1,736	1,758	4,148		6,089
Investment Income, Net	6,624	4,233	15,021		12,631
Miscellaneous - net	(130)	(109)	(361)		(365)
TOTAL	8,230	5,882	18,808		18,355
INTEREST EXPENSE
Interest expense	9,169	9,186	27,469		28,119
Allowance for borrowed funds used during construction	(425)	(440)	(1,014)		(1,536)
TOTAL	8,744	8,746	26,455		26,583
INCOME BEFORE INCOME TAXES	36,945	41,022	112,073		128,144
Income taxes	16,362	18,652	51,793		54,726
CONSOLIDATED NET INCOME	$ 20,583	$ 22,370	$ 60,280		$ 73,418

[1] (a) Consolidated net income and preferred dividend requirements of subsidiaries for 2017 and 2016 include $10.3 million and $15.6 million, respectively, of preferred dividends on subsidiaries’ preferred stock without sinking fund that is not presented within equity.