Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
OPERATING REVENUES
Electric	$ 2,704,800	$ 2,320,360	$ 6,831,290	$ 6,039,752
Natural gas	26,113	23,557	113,315	93,444
Competitive businesses	621,046	619,643	1,754,436	1,732,624
TOTAL	3,351,959	2,963,560	8,699,041	7,865,820
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	818,254	596,270	1,818,194	1,572,265
Purchased power	392,545	336,552	1,251,418	966,816
Nuclear refueling outage expenses	64,758	62,582	191,940	184,288
Asset impairment	291,505	0	291,505	355,524
Other operation and maintenance	839,348	765,242	2,437,801	2,259,758
Decommissioning	60,848	56,796	179,342	126,641
Taxes other than income taxes	156,950	149,049	452,934	424,329
Depreciation and amortization	325,149	281,740	923,541	836,711
Other regulatory charges (credits) - net	13,708	24,477	22,914	162,509
TOTAL	2,963,065	2,272,708	7,569,589	6,888,841
OPERATING INCOME	388,894	690,852	1,129,452	976,979
OTHER INCOME
Allowance for equity funds used during construction	17,676	18,396	46,675	70,986
Interest and investment income	23,430	24,490	102,277	94,767
Miscellaneous - net	(10,214)	(10,768)	(36,992)	(41,794)
TOTAL	30,892	32,118	111,960	123,959
INTEREST EXPENSE
Interest expense	157,504	155,800	466,422	452,162
Allowance for borrowed funds used during construction	(6,453)	(8,003)	(18,432)	(27,877)
TOTAL	151,051	147,797	447,990	424,285
INCOME BEFORE INCOME TAXES	268,735	575,173	793,422	676,653
Income taxes	24,553	232,503	214,202	110,140
CONSOLIDATED NET INCOME	244,182	342,670	579,220	566,513
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	4,332	5,582	14,247	16,108
EARNINGS APPLICABLE TO COMMON STOCK	239,850	337,088	564,973	550,405
Earnings per average common share:
Basic	$ 1.35	$ 1.90	$ 3.17	$ 3.11
Diluted	$ 1.34	$ 1.89	$ 3.16	$ 3.10
Dividends declared per common share	$ 0.83	$ 0.83	$ 2.49	$ 2.49
Basic average number of common shares outstanding	178,283,721	177,517,846	178,170,339	177,184,464
Diluted average number of common shares outstanding	178,652,210	177,975,075	178,520,063	177,636,549
Entergy Arkansas [Member]
OPERATING REVENUES
Electric	647,671	656,201	1,698,716	1,633,401
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	113,523	116,026	321,373	362,954
Purchased power	131,736	145,305	369,643	318,474
Nuclear refueling outage expenses	9,403	11,891	29,031	35,441
Other operation and maintenance	147,513	140,730	438,021	406,561
Decommissioning	10,847	10,198	32,044	30,128
Taxes other than income taxes	24,303	26,676	69,073	69,073
Depreciation and amortization	58,083	55,092	172,059	165,697
Other regulatory charges (credits) - net	(5,418)	(2,553)	(14,465)	(35,478)
TOTAL	489,990	503,365	1,416,779	1,352,850
OPERATING INCOME	157,681	152,836	281,937	280,551
OTHER INCOME
Allowance for equity funds used during construction	2,902	2,258	7,852	6,491
Interest and investment income	1,525	3,861	18,411	11,233
Miscellaneous - net	(629)	(496)	(2,573)	(3,139)
TOTAL	3,798	5,623	23,690	14,585
INTEREST EXPENSE
Interest expense	23,253	20,532	69,290	61,707
Allowance for borrowed funds used during construction	(744)	(648)	(2,473)	(1,724)
TOTAL	22,509	19,884	66,817	59,983
INCOME BEFORE INCOME TAXES	138,970	138,575	238,810	235,153
Income taxes	56,393	56,024	101,031	92,973
CONSOLIDATED NET INCOME	82,577	82,551	137,779	142,180
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	1,718	1,718	5,155	5,155
EARNINGS APPLICABLE TO COMMON STOCK	80,859	80,833	132,624	137,025
Entergy Gulf States Louisiana [Member]
OPERATING REVENUES
Electric	549,123	425,999	1,428,155	1,201,178
Natural gas	9,208	8,452	42,492	34,251
TOTAL	558,331	434,451	1,470,647	1,235,429
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	104,932	34,821	213,270	131,248
Purchased power	194,455	156,398	560,531	417,909
Nuclear refueling outage expenses	5,419	4,415	14,955	13,147
Other operation and maintenance	105,107	89,446	300,012	267,505
Decommissioning	4,005	3,783	11,845	11,187
Taxes other than income taxes	21,346	19,141	60,729	55,728
Depreciation and amortization	37,703	36,958	113,002	109,345
Other regulatory charges (credits) - net	80	3,928	5,080	32,536
TOTAL	473,047	348,890	1,279,424	1,038,605
OPERATING INCOME	85,284	85,561	191,223	196,824
OTHER INCOME
Allowance for equity funds used during construction	2,171	1,760	5,630	6,512
Interest and investment income	9,428	13,442	34,239	33,350
Miscellaneous - net	(2,822)	(1,615)	(7,861)	(6,727)
TOTAL	8,777	13,587	32,008	33,135
INTEREST EXPENSE
Interest expense	20,498	20,406	60,971	62,297
Allowance for borrowed funds used during construction	(690)	(652)	(2,041)	(2,516)
TOTAL	19,808	19,754	58,930	59,781
INCOME BEFORE INCOME TAXES	74,253	79,394	164,301	170,178
Income taxes	11,611	29,184	44,773	41,220
CONSOLIDATED NET INCOME	62,642	50,210	119,528	128,958
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	206	206	619	619
EARNINGS APPLICABLE TO COMMON STOCK	62,436	50,004	118,909	128,339
Entergy Louisiana [Member]
OPERATING REVENUES
Electric	782,789	614,044	2,024,679	1,658,189
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	206,329	134,108	418,188	320,991
Purchased power	213,832	168,817	679,254	505,935
Nuclear refueling outage expenses	9,317	6,103	25,248	18,573
Other operation and maintenance	123,344	106,523	355,696	334,559
Decommissioning	5,437	5,169	16,106	18,172
Taxes other than income taxes	19,337	17,913	57,124	52,122
Depreciation and amortization	60,664	54,642	181,409	162,474
Other regulatory charges (credits) - net	(1,318)	(956)	(7,612)	128,749
TOTAL	636,942	492,319	1,725,413	1,541,575
OPERATING INCOME	145,847	121,725	299,266	116,614
OTHER INCOME
Allowance for equity funds used during construction	8,854	9,981	21,693	27,032
Interest and investment income	21,149	21,566	64,064	63,178
Miscellaneous - net	(618)	519	(2,271)	(1,680)
TOTAL	29,385	32,066	83,486	88,530
INTEREST EXPENSE
Interest expense	39,206	35,731	112,539	101,434
Allowance for borrowed funds used during construction	(3,714)	(4,776)	(9,198)	(12,530)
TOTAL	35,492	30,955	103,341	88,904
INCOME BEFORE INCOME TAXES	139,740	122,836	279,411	116,240
Income taxes	39,143	42,628	72,061	(127,977)
CONSOLIDATED NET INCOME	100,597	80,208	207,350	244,217
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	1,738	1,738	5,213	5,213
EARNINGS APPLICABLE TO COMMON STOCK	98,859	78,470	202,137	239,004
Entergy Mississippi [Member]
OPERATING REVENUES
Electric	397,833	321,771	1,015,513	860,735
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	118,688	57,230	263,437	204,703
Purchased power	97,709	93,817	275,783	232,140
Other operation and maintenance	62,263	64,446	189,822	173,043
Taxes other than income taxes	21,208	19,742	61,322	56,980
Depreciation and amortization	27,717	24,377	81,268	72,451
Other regulatory charges (credits) - net	62	2,828	(10,237)	(8,476)
TOTAL	327,647	262,440	861,395	730,841
OPERATING INCOME	70,186	59,331	154,118	129,894
OTHER INCOME
Allowance for equity funds used during construction	371	760	1,817	2,950
Interest and investment income	239	19	565	43
Miscellaneous - net	(767)	(806)	(2,601)	(2,916)
TOTAL	(157)	(27)	(219)	77
INTEREST EXPENSE
Interest expense	14,585	14,113	44,753	42,761
Allowance for borrowed funds used during construction	(307)	(405)	(1,233)	(1,568)
TOTAL	14,278	13,708	43,520	41,193
INCOME BEFORE INCOME TAXES	55,751	45,596	110,379	88,778
Income taxes	21,938	18,516	43,678	37,102
CONSOLIDATED NET INCOME	33,813	27,080	66,701	51,676
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	707	707	2,121	2,121
EARNINGS APPLICABLE TO COMMON STOCK	33,106	26,373	64,580	49,555
Entergy New Orleans
OPERATING REVENUES
Electric	161,737	146,459	397,126	360,772
Natural gas	16,904	15,106	70,822	59,193
TOTAL	178,641	161,565	467,948	419,965
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	42,207	29,298	83,656	68,585
Purchased power	63,705	62,410	192,028	164,042
Other operation and maintenance	33,820	28,671	102,187	92,475
Taxes other than income taxes	13,373	11,941	37,141	33,110
Depreciation and amortization	9,392	9,178	28,394	27,446
Other regulatory charges (credits) - net	249	502	748	1,483
TOTAL	162,746	142,000	444,154	387,141
OPERATING INCOME	15,895	19,565	23,794	32,824
OTHER INCOME
Allowance for equity funds used during construction	223	185	656	487
Interest and investment income	24	8	68	29
Miscellaneous - net	(277)	(385)	(921)	(1,147)
TOTAL	(30)	(192)	(197)	(631)
INTEREST EXPENSE
Interest expense	3,661	2,738	10,312	8,366
Allowance for borrowed funds used during construction	(130)	(88)	(351)	(230)
TOTAL	3,531	2,650	9,961	8,136
INCOME BEFORE INCOME TAXES	12,334	16,723	13,636	24,057
Income taxes	4,248	6,168	3,646	6,276
CONSOLIDATED NET INCOME	8,086	10,555	9,990	17,781
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	241	241	724	724
EARNINGS APPLICABLE TO COMMON STOCK	7,845	10,314	9,266	17,057
Entergy Texas [Member]
OPERATING REVENUES
Electric	526,978	489,078	1,288,251	1,174,069
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	101,094	103,542	135,038	178,473
Purchased power	220,490	200,483	647,437	523,208
Other operation and maintenance	60,913	58,343	184,580	170,791
Taxes other than income taxes	16,805	19,031	46,506	50,640
Depreciation and amortization	23,659	23,043	70,731	64,887
Other regulatory charges (credits) - net	24,587	23,402	59,897	50,791
TOTAL	447,548	427,844	1,144,189	1,038,790
OPERATING INCOME	79,430	61,234	144,062	135,279
OTHER INCOME
Allowance for equity funds used during construction	890	1,281	3,559	3,355
Interest and investment income	228	(5,566)	914	(2,648)
Miscellaneous - net	(625)	(1,520)	(1,968)	(3,164)
TOTAL	493	(5,805)	2,505	(2,457)
INTEREST EXPENSE
Interest expense	23,069	24,246	69,401	71,510
Allowance for borrowed funds used during construction	(647)	(1,033)	(2,533)	(2,417)
TOTAL	22,422	23,213	66,868	69,093
INCOME BEFORE INCOME TAXES	57,501	32,216	79,699	63,729
Income taxes	21,700	12,982	32,023	26,547
CONSOLIDATED NET INCOME	35,801	19,234	47,676	37,182
System Energy [Member]
OPERATING REVENUES
Electric	192,679	188,680	533,434	428,413
Operating and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	26,974	25,538	77,077	38,976
Nuclear refueling outage expenses	7,418	7,304	22,133	14,352
Other operation and maintenance	43,577	38,029	123,955	105,754
Decommissioning	8,946	8,327	26,364	24,541
Taxes other than income taxes	6,291	5,230	19,264	16,262
Depreciation and amortization	51,981	47,991	119,427	102,989
Other regulatory charges (credits) - net	(4,537)	(2,673)	(10,499)	(7,096)
TOTAL	140,650	129,746	377,721	295,778
OPERATING INCOME	52,029	58,934	155,713	132,635
OTHER INCOME
Allowance for equity funds used during construction	2,267	2,171	5,470	24,158
Interest and investment income	1,259	2,506	6,450	8,108
Miscellaneous - net	(134)	(146)	(493)	(446)
TOTAL	3,392	4,531	11,427	31,820
INTEREST EXPENSE
Interest expense	9,756	12,631	28,411	34,076
Allowance for borrowed funds used during construction	(223)	(401)	(604)	(6,892)
TOTAL	9,533	12,230	27,807	27,184
INCOME BEFORE INCOME TAXES	45,888	51,235	139,333	137,271
Income taxes	10,783	20,619	48,488	44,751
CONSOLIDATED NET INCOME	$ 35,105	$ 30,616	$ 90,845	$ 92,520