Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
OPERATING REVENUES
Electric	$ 2,825,143	$ 2,824,055	$ 7,289,280		$ 7,424,360
Natural gas	24,517	28,039	111,805		141,727
Competitive businesses	521,746	606,016	1,603,643		2,097,516
TOTAL	3,371,406	3,458,110	9,004,728		9,663,603
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	739,449	858,901	1,919,605		2,006,811
Purchased power	449,784	465,106	1,114,736		1,557,631
Nuclear refueling outage expenses	68,577	71,651	200,575		197,692
Other operation and maintenance	852,385	841,939	2,450,368		2,392,590
Asset Write-Offs, Impairments, And Related Charges	1,642,204	163,835	1,642,204		167,772
Decommissioning	68,888	68,370	207,617		201,418
Taxes other than income taxes	158,134	159,735	472,035		466,939
Depreciation and amortization	334,841	332,079	1,007,181		992,544
Other regulatory charges (credits) - net	22,160	3,635	35,271		(7,010)
TOTAL	4,336,422	2,965,251	9,049,592		7,976,387
OPERATING INCOME (LOSS)	(965,016)	492,859	(44,864)		1,687,216
OTHER INCOME
Allowance for equity funds used during construction	14,129	16,737	37,841		46,654
Interest and investment income	39,054	49,547	146,893		109,040
Miscellaneous - net	(10,005)	(6,644)	(34,769)		(33,026)
TOTAL	43,178	59,640	149,965		122,668
INTEREST EXPENSE
Interest expense	171,349	164,482	503,546		491,359
Allowance for borrowed funds used during construction	(7,289)	(8,664)	(19,450)		(24,199)
TOTAL	164,060	155,818	484,096		467,160
INCOME (LOSS) BEFORE INCOME TAXES	(1,085,898)	396,681	(378,995)		1,342,724
Income taxes	(367,665)	161,765	(117,412)		507,474
CONSOLIDATED NET INCOME (LOSS)	(718,233)	234,916	(261,583)	[1]	835,250	[1]
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	4,794	4,879	14,552		14,656
EARNINGS APPLICABLE TO COMMON STOCK	$ (723,027)	$ 230,037	$ (276,135)		$ 820,594
Earnings (loss) per average common share:
Basic (in dollars per share)	$ (4.04)	$ 1.28	$ (1.54)		$ 4.58
Diluted (in dollars per share)	(4.04)	1.27	(1.54)		4.56
Dividends declared per common share (in dollars per share)	$ 0.83	$ 0.83	$ 2.49		$ 2.49
Basic average number of common shares outstanding (in shares)	179,151,832	179,610,067	179,442,172		179,256,975
Diluted average number of common shares outstanding (in shares)	179,151,832	180,527,116	179,442,172		179,867,018
Entergy Arkansas [Member]
OPERATING REVENUES
Electric	$ 714,353	$ 627,153	$ 1,777,415		$ 1,653,656
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	176,164	86,932	426,351		196,007
Purchased power	105,321	141,042	285,806		433,513
Nuclear refueling outage expenses	13,603	12,541	39,109		30,717
Other operation and maintenance	214,536	170,868	544,446		468,124
Decommissioning	12,713	11,938	37,508		34,853
Taxes other than income taxes	28,905	26,081	77,589		69,515
Depreciation and amortization	61,527	59,805	183,169		176,634
Other regulatory charges (credits) - net	(7,652)	2,589	(17,604)		(6,394)
TOTAL	605,117	511,796	1,576,374		1,402,969
OPERATING INCOME (LOSS)	109,236	115,357	201,041		250,687
OTHER INCOME
Allowance for equity funds used during construction	3,950	1,816	9,856		5,229
Interest and investment income	4,541	12,812	18,354		20,425
Miscellaneous - net	(1,036)	(30)	(1,724)		(761)
TOTAL	7,455	14,598	26,486		24,893
INTEREST EXPENSE
Interest expense	26,360	23,342	79,264		69,863
Allowance for borrowed funds used during construction	(2,246)	(942)	(5,321)		(2,728)
TOTAL	24,114	22,400	73,943		67,135
INCOME (LOSS) BEFORE INCOME TAXES	92,577	107,555	153,584		208,445
Income taxes	36,915	44,575	58,532		88,090
CONSOLIDATED NET INCOME (LOSS)	55,662	62,980	95,052		120,355
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	1,718	1,718	5,155		5,155
EARNINGS APPLICABLE TO COMMON STOCK	53,944	61,262	89,897		115,200
Entergy Louisiana [Member]
OPERATING REVENUES
Electric	809,939	870,181	2,117,657		2,230,083
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	178,138	289,480	453,627		549,087
Purchased power	202,973	211,954	536,553		719,697
Nuclear refueling outage expenses	5,718	6,995	18,469		23,636
Other operation and maintenance	129,516	123,809	399,141		352,579
Decommissioning	6,521	6,201	19,319		18,370
Taxes other than income taxes	21,797	18,524	62,309		58,014
Depreciation and amortization	70,470	63,479	209,713		189,000
Other regulatory charges (credits) - net	1,123	(10,856)	(6,711)		(26,128)
TOTAL	616,256	709,586	1,692,420		1,884,255
OPERATING INCOME (LOSS)	193,683	160,595	425,237		345,828
OTHER INCOME
Allowance for equity funds used during construction	3,243	10,066	9,625		28,159
Interest and investment income	25,529	34,212	77,637		76,476
Miscellaneous - net	44	320	(2,200)		1,462
TOTAL	28,816	44,598	85,062		106,097
INTEREST EXPENSE
Interest expense	42,718	42,334	129,172		123,709
Allowance for borrowed funds used during construction	(1,763)	(5,293)	(5,230)		(14,809)
TOTAL	40,955	37,041	123,942		108,900
INCOME (LOSS) BEFORE INCOME TAXES	181,544	168,152	386,357		343,025
Income taxes	62,544	44,331	120,075		91,159
CONSOLIDATED NET INCOME (LOSS)	119,000	123,821	266,282		251,866
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	1,680	1,738	5,155		5,232
EARNINGS APPLICABLE TO COMMON STOCK	117,320	122,083	261,127		246,634
Entergy Mississippi [Member]
OPERATING REVENUES
Electric	410,743	425,341	1,116,533		1,144,175
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	89,512	85,185	244,331		219,013
Purchased power	120,697	145,266	308,618		393,054
Other operation and maintenance	60,504	69,259	190,690		193,959
Write-Off Of Regulatory Asset For New Nuclear	0	60,857	0		60,857
Taxes other than income taxes	24,082	22,060	72,219		66,060
Depreciation and amortization	32,459	28,625	95,888		85,130
Other regulatory charges (credits) - net	9,225	4,686	17,598		504
TOTAL	336,479	415,938	929,344		1,018,577
OPERATING INCOME (LOSS)	74,264	9,403	187,189		125,598
OTHER INCOME
Allowance for equity funds used during construction	713	579	2,094		1,428
Interest and investment income	50	274	105		938
Miscellaneous - net	(743)	(728)	(2,675)		(2,981)
TOTAL	20	125	(476)		(615)
INTEREST EXPENSE
Interest expense	14,527	14,099	43,164		42,923
Allowance for borrowed funds used during construction	(376)	(303)	(1,117)		(745)
TOTAL	14,151	13,796	42,047		42,178
INCOME (LOSS) BEFORE INCOME TAXES	60,133	(4,268)	144,666		82,805
Income taxes	23,557	2,196	56,876		36,866
CONSOLIDATED NET INCOME (LOSS)	36,576	(6,464)	87,790		45,939
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	707	707	2,121		2,121
EARNINGS APPLICABLE TO COMMON STOCK	35,869	(7,171)	85,669		43,818
Entergy New Orleans [Member]
OPERATING REVENUES
Electric	194,056	180,771	458,796		488,526
Natural gas	15,677	17,753	68,314		86,141
TOTAL	209,733	198,524	527,110		574,667
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	44,085	47,251	81,807		145,058
Purchased power	75,107	67,446	209,626		206,613
Other operation and maintenance	29,792	30,880	89,872		92,421
Taxes other than income taxes	13,134	12,984	36,302		38,548
Depreciation and amortization	10,929	11,480	32,529		33,930
Other regulatory charges (credits) - net	1,952	87	1,340		539
TOTAL	174,999	170,128	451,476		517,109
OPERATING INCOME (LOSS)	34,734	28,396	75,634		57,558
OTHER INCOME
Allowance for equity funds used during construction	389	372	1,022		1,321
Interest and investment income	15	176	53		226
Miscellaneous - net	(81)	(157)	532		(631)
TOTAL	323	391	1,607		916
INTEREST EXPENSE
Interest expense	4,480	4,155	13,086		12,531
Allowance for borrowed funds used during construction	(177)	(190)	(471)		(668)
TOTAL	4,303	3,965	12,615		11,863
INCOME (LOSS) BEFORE INCOME TAXES	30,754	24,822	64,626		46,611
Income taxes	11,591	8,872	23,275		15,939
CONSOLIDATED NET INCOME (LOSS)	19,163	15,950	41,351		30,672
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	241	241	724		724
EARNINGS APPLICABLE TO COMMON STOCK	18,922	15,709	40,627		29,948
Entergy Texas [Member]
OPERATING REVENUES
Electric	498,249	528,508	1,312,381		1,451,696
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	72,850	92,748	197,017		232,974
Purchased power	202,864	228,755	557,912		686,794
Other operation and maintenance	65,253	56,367	187,840		166,556
Taxes other than income taxes	18,644	18,873	54,555		52,631
Depreciation and amortization	25,795	25,041	76,356		74,398
Other regulatory charges (credits) - net	26,219	23,813	64,000		59,218
TOTAL	411,625	445,597	1,137,680		1,272,571
OPERATING INCOME (LOSS)	86,624	82,911	174,701		179,125
OTHER INCOME
Allowance for equity funds used during construction	1,371	726	3,912		2,182
Interest and investment income	(5)	307	(411)		782
Miscellaneous - net	(133)	(277)	(247)		(1,617)
TOTAL	1,233	756	3,254		1,347
INTEREST EXPENSE
Interest expense	21,917	21,352	64,475		66,961
Allowance for borrowed funds used during construction	(886)	(505)	(2,542)		(1,520)
TOTAL	21,031	20,847	61,933		65,441
INCOME (LOSS) BEFORE INCOME TAXES	66,826	62,820	116,022		115,031
Income taxes	23,512	23,261	41,227		43,722
CONSOLIDATED NET INCOME (LOSS)	43,314	39,559	74,795		71,309
System Energy [Member]
OPERATING REVENUES
Electric	155,899	172,151	475,039		493,648
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	22,984	23,286	66,400		60,545
Nuclear refueling outage expenses	5,244	5,808	16,346		17,501
Other operation and maintenance	39,520	44,573	116,309		113,373
Decommissioning	12,095	10,546	35,695		31,106
Taxes other than income taxes	6,497	6,283	20,263		19,157
Depreciation and amortization	35,091	33,941	109,398		107,252
Other regulatory charges (credits) - net	(12,667)	(10,770)	(29,761)		(22,346)
TOTAL	108,764	113,667	334,650		326,588
OPERATING INCOME (LOSS)	47,135	58,484	140,389		167,060
OTHER INCOME
Allowance for equity funds used during construction	2,252	1,295	5,945		3,499
Interest and investment income	4,732	2,921	12,195		8,724
Miscellaneous - net	(129)	(88)	(567)		(289)
TOTAL	6,855	4,128	17,573		11,934
INTEREST EXPENSE
Interest expense	10,404	15,501	35,764		43,102
Allowance for borrowed funds used during construction	(595)	(338)	(1,571)		(920)
TOTAL	9,809	15,163	34,193		42,182
INCOME (LOSS) BEFORE INCOME TAXES	44,181	47,449	123,769		136,812
Income taxes	18,958	20,719	51,153		59,532
CONSOLIDATED NET INCOME (LOSS)	$ 25,223	$ 26,730	$ 72,616		$ 77,280

[1] Consolidated net income and preferred dividend requirements of subsidiaries for 2015 and 2014 include $9.6 million and $9.7 million, respectively, of preferred dividends on subsidiaries’ preferred stock without sinking fund that is not presented within equity.