Income Taxes (Schedule Of Statutory Income Tax Rate To Income Before Taxes) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Net income (loss) attributable to Entergy Corporation	$ 146,929	$ 239,850	$ 163,723	$ 161,400	$ 296,267	$ 337,088	$ 365,001	$ (151,683)	$ 711,902		$ 846,673		$ 1,346,439
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable									18,670		21,690		20,933
Consolidated net income	151,353	244,182	168,055	166,982	301,850	342,670	370,583	(146,740)	730,572	[1]	868,363	[1]	1,367,372	[1]
Income taxes (benefit)									225,981		30,855		286,263
Income before income taxes									956,553		899,218		1,653,635
Computed at statutory rate (35%)									334,794		314,726		578,772
State income taxes net of federal income tax effect									13,599		40,699		93,940
Regulatory differences - utility plant items									32,324		35,527		39,970
Equity component of AFUDC									(22,356)		(30,838)		(30,184)
Amortization of investment tax credits									(13,535)		(14,000)		(14,962)
Net-of-tax regulatory liability									(2,899)	[2]	(4,356)	[2]	65,357	[2]
Deferred tax reversal on PPA settlement									0	[2]	0	[2]	(421,819)	[2]
IRS decommissioning settlement									0	[3]	(155,300)	[3]	0	[3]
Write-Off Of Regulatory Asset For Income Taxes									0		42,159		0
Capital gains / (losses)									0		(20,188)		0
Flow-through / permanent differences									(301)		(14,801)		(17,848)
Benefit of Entergy Corporation expenses									(27,192)		0		0
Provision for uncertain tax positions									(59,249)	[4]	(159,957)	[4]	2,698	[4]
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount									(31,573)
Other - net									2,369		(2,816)		(9,661)
Total income taxes as reported									225,981		30,855		286,263
Effective Income Tax Rate									23.60%		3.40%		17.30%
Parent Company [Member]
Net income (loss) attributable to Entergy Corporation									711,900		846,700		1,346,400
Entergy Arkansas [Member]
Net income (loss) attributable to Entergy Corporation									155,075		145,492		158,018
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable									6,873		6,873		6,873
Consolidated net income	24,169	82,577	40,483	14,719	10,185	82,551	45,755	13,874	161,948		152,365		164,891
Income taxes (benefit)									91,787		94,806		132,765
Income before income taxes									253,735		247,171		297,656
Computed at statutory rate (35%)									88,807		86,510		104,180
State income taxes net of federal income tax effect									10,954		11,282		13,727
Regulatory differences - utility plant items									7,938		6,778		10,079
Equity component of AFUDC									(3,820)		(2,495)		(3,363)
Amortization of investment tax credits									(1,989)		(1,992)		(1,992)
Net-of-tax regulatory liability									0	[2]	0	[2]
Flow-through / permanent differences									2,540		3,427		(1,365)
Non-taxable dividend income									0		0
Benefit of Entergy Corporation expenses									(6,753)		(19,403)		0
Provision for uncertain tax positions									(6,527)		11,227		12,016
Change in regulatory recovery											0
Other - net									637		(528)		(517)
Total income taxes as reported									91,787		94,806		132,765
Effective Income Tax Rate									36.20%		38.40%		44.60%
Entergy Gulf States Louisiana [Member]
Net income (loss) attributable to Entergy Corporation									160,837		158,152		200,779
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable									825		825		825
Consolidated net income	42,135	62,642	29,720	27,165	30,020	50,210	50,389	28,358	161,662		158,977		201,604
Income taxes (benefit)									56,819		52,616		89,736
Income before income taxes									218,481		211,593		291,340
Computed at statutory rate (35%)									76,468		74,058		101,969
State income taxes net of federal income tax effect									7,719		5,087		9,618
Regulatory differences - utility plant items									4,865		8,472		8,379
Equity component of AFUDC									(2,822)		(3,042)		(3,181)
Amortization of investment tax credits									(3,018)		(3,204)		(3,336)
Net-of-tax regulatory liability									0	[2]	0	[2]
Flow-through / permanent differences									2,377		(7,646)		587
Non-taxable dividend income									(9,612)		(9,836)		(11,364)
Benefit of Entergy Corporation expenses									(3,619)		(17,703)		(5,694)
Provision for uncertain tax positions									(15,557)		8,745		(7,144)
Change in regulatory recovery											(553)
Other - net									18		(1,762)		(98)
Total income taxes as reported									56,819		52,616		89,736
Effective Income Tax Rate									26.00%		24.90%		30.80%
Entergy Louisiana [Member]
Net income (loss) attributable to Entergy Corporation									245,514		274,131		466,973
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable									6,950		6,950		6,950
Consolidated net income	45,114	100,597	61,377	45,376	36,864	80,208	130,714	33,295	252,464		281,081		473,923
Income taxes (benefit)									81,877		(128,922)		(370,211)
Income before income taxes									334,341		152,159		103,712
Computed at statutory rate (35%)									117,019		53,256		36,299
State income taxes net of federal income tax effect									11,365		1,976		943
Regulatory differences - utility plant items									2,140		312		1,404
Equity component of AFUDC									(10,278)		(12,919)		(11,315)
Amortization of investment tax credits									(2,846)		(3,089)		(3,168)
Net-of-tax regulatory liability									(2,899)	[2]	(4,356)	[2]	65,357	[2]
Deferred tax reversal on PPA settlement													(421,819)	[2]
Flow-through / permanent differences									1,269		1,397		(1,285)
Non-taxable dividend income									(27,341)		(27,336)		(27,336)
Benefit of Entergy Corporation expenses									(3,834)		0		0
Provision for uncertain tax positions									(3,088)		(143,583)		(4,880)
Change in regulatory recovery											7,854
Other - net									370		(2,434)		(4,411)
Total income taxes as reported									81,877		(128,922)		(370,211)
Effective Income Tax Rate									24.50%		(84.70%)		(357.00%)
Entergy Mississippi [Member]
Net income (loss) attributable to Entergy Corporation									79,331		43,940		105,901
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable									2,828		2,828		2,828
Consolidated net income	15,458	33,813	18,954	13,934	(4,908)	27,080	15,914	8,682	82,159		46,768		108,729
Income taxes (benefit)									49,757		58,679		28,801
Income before income taxes									131,916		105,447		137,530
Computed at statutory rate (35%)									46,171		36,906		48,136
State income taxes net of federal income tax effect									4,564		3,944		3,211
Regulatory differences - utility plant items									2,603		2,619		2,038
Equity component of AFUDC									(764)		(1,383)		(2,963)
Amortization of investment tax credits									(260)		(264)		(960)
Net-of-tax regulatory liability									0	[2]	0	[2]
Flow-through / permanent differences									1,702		1,961		304
Non-taxable dividend income									0		0
Benefit of Entergy Corporation expenses									(4,177)		14,449		(21,248)
Provision for uncertain tax positions									(326)		870		(2)
Change in regulatory recovery											0
Other - net									244		(423)		285
Total income taxes as reported									49,757		58,679		28,801
Effective Income Tax Rate									37.70%		55.60%		20.90%
Entergy New Orleans [Member]
Net income (loss) attributable to Entergy Corporation									10,718		16,100		35,011
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable									965		965		965
Consolidated net income	1,692	8,086	598	1,307	(716)	10,555	7,186	40	11,683		17,065		35,976
Income taxes (benefit)									1,619		7,240		15,862
Income before income taxes									13,302		24,305		51,838
Computed at statutory rate (35%)									4,656		8,507		18,143
State income taxes net of federal income tax effect									1,012		505		3,350
Regulatory differences - utility plant items									453		2,289		3,860
Equity component of AFUDC									(322)		(276)		(215)
Amortization of investment tax credits									(216)		(240)		(295)
Net-of-tax regulatory liability									0	[2]	0	[2]
Flow-through / permanent differences									(4,402)		(4,385)		(4,983)
Non-taxable dividend income									0		0
Benefit of Entergy Corporation expenses									(501)		2,758		(6,235)
Provision for uncertain tax positions									795		(2,095)		2,241
Change in regulatory recovery											0
Other - net									144		177		(4)
Total income taxes as reported									1,619		7,240		15,862
Effective Income Tax Rate									12.20%		29.80%		30.60%
Entergy Texas [Member]
Consolidated net income	10,205	35,801	10,953	922	4,788	19,234	16,204	1,745	57,881		41,971		80,845
Income taxes (benefit)									30,108		33,118		49,492
Income before income taxes									87,989		75,089		130,337
Computed at statutory rate (35%)									30,796		26,281		45,618
State income taxes net of federal income tax effect									(897)		3,115		2,033
Regulatory differences - utility plant items									3,256		3,668		4,003
Equity component of AFUDC									(1,626)		(1,587)		(1,322)
Amortization of investment tax credits									(1,596)		(1,596)		(1,596)
Net-of-tax regulatory liability									0	[2]	0	[2]
Flow-through / permanent differences									2,467		1,585		88
Non-taxable dividend income									0		0
Benefit of Entergy Corporation expenses									(3,542)		0		(16)
Provision for uncertain tax positions									1,027		1,651		717
Change in regulatory recovery											0
Other - net									223		1		(33)
Total income taxes as reported									30,108		33,118		49,492
Effective Income Tax Rate									34.20%		44.10%		38.00%
System Energy [Member]
Consolidated net income	22,819	35,105	27,734	28,006	19,346	30,616	35,368	26,536	113,664		111,866		64,197
Income taxes (benefit)									68,853		77,115		74,953
Income before income taxes									182,517		188,981		139,150
Computed at statutory rate (35%)									63,881		66,143		48,703
State income taxes net of federal income tax effect									5,900		6,652		4,436
Regulatory differences - utility plant items									11,070		11,389		10,207
Equity component of AFUDC									(2,724)		(9,136)		(7,825)
Amortization of investment tax credits									(3,476)		(3,480)		(3,480)
Net-of-tax regulatory liability									0	[2]	0	[2]
Flow-through / permanent differences									(491)		(357)		529
Non-taxable dividend income									0		0
Benefit of Entergy Corporation expenses									(13)		(10,241)		16,559
Provision for uncertain tax positions									(5,353)		17,966		5,878
Change in regulatory recovery											0
Other - net									59		(1,821)		(54)
Total income taxes as reported									$ 68,853		$ 77,115		$ 74,953
Effective Income Tax Rate									37.70%		40.80%		53.90%

[1] Consolidated net income and preferred dividend requirements of subsidiaries for 2013, 2012, and 2011 include $12.0 million, $15.0 million, and $13.3 million, respectively, of preferred dividends on subsidiaries’ preferred stock without sinking fund that is not presented as equity.

[2] See "Income Tax Audits - 2006-2007 IRS Audit" below for discussion of these items.

[3] See "Income Tax Audits - 2004-2005 IRS Audit" below for discussion of this item.

[4] See "Income Tax Audits - 2008-2009 IRS Audit" below for discussion of the most significant items in 2013 and 2012.