Income Taxes (Schedule Of Income Tax Expenses From Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Federal	$ 88,291	$ (47,851)	$ 452,713
Foreign	101	143	130
State	20,584	(41,516)	152,711
Total	108,976	(89,224)	605,554
Deferred and non-current -- net	126,935	131,130	(311,708)
Investment tax credit adjustments - net	(9,930)	(11,051)	(7,583)
Total income taxes as reported	225,981	30,855	286,263
Entergy Arkansas [Member]
Federal	(13,574)	64,069	(12,448)
State	6,122	6,712	(1,751)
Total	(7,452)	70,781	(14,199)
Deferred and non-current -- net	101,253	26,042	148,978
Investment tax credit adjustments - net	(2,014)	(2,017)	(2,014)
Total income taxes as reported	91,787	94,806	132,765
Entergy Gulf States Louisiana [Member]
Federal	12,176	(66,081)	(30,106)
State	(9,939)	9,535	15,950
Total	2,237	(56,546)	(14,156)
Deferred and non-current -- net	57,620	112,390	107,250
Investment tax credit adjustments - net	(3,038)	(3,228)	(3,358)
Total income taxes as reported	56,819	52,616	89,736
Entergy Louisiana [Member]
Federal	(30,973)	(132,999)	(136,800)
State	(5,692)	(1,269)	34,832
Total	(36,665)	(134,268)	(101,968)
Deferred and non-current -- net	121,416	8,463	(265,046)
Investment tax credit adjustments - net	(2,874)	(3,117)	(3,197)
Total income taxes as reported	81,877	(128,922)	(370,211)
Entergy Mississippi [Member]
Federal	2,498	3,188	(9,466)
State	4,849	(4,425)	6,069
Total	7,347	(1,237)	(3,397)
Deferred and non-current -- net	41,150	59,045	32,380
Investment tax credit adjustments - net	1,260	871	(182)
Total income taxes as reported	49,757	58,679	28,801
Entergy New Orleans [Member]
Federal	15,017	(9,484)	14,641
State	(1,221)	(1,617)	1,724
Total	13,796	(11,101)	16,365
Deferred and non-current -- net	(11,952)	18,586	(201)
Investment tax credit adjustments - net	(225)	(245)	(302)
Total income taxes as reported	1,619	7,240	15,862
Entergy Texas [Member]
Federal	37,199	(114,677)	(33,045)
State	(843)	4,933	3,153
Total	36,356	(109,744)	(29,892)
Deferred and non-current -- net	(4,639)	144,471	80,993
Investment tax credit adjustments - net	(1,609)	(1,609)	(1,609)
Total income taxes as reported	30,108	33,118	49,492
System Energy [Member]
Federal	(6,199)	(50,491)	139,529
State	15,845	(8,544)	16,825
Total	9,646	(59,035)	156,354
Deferred and non-current -- net	60,614	137,832	(84,505)
Investment tax credit adjustments - net	(1,407)	(1,682)	3,104
Total income taxes as reported	$ 68,853	$ 77,115	$ 74,953