Rate And Regulatory Matters (Correction Of Regulatory Asset For Income Taxes, Statement Of Changes In Equity) (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
Beginning Balance				$ 9,291,089				$ 9,055,270	$ 9,291,089		$ 9,055,270		$ 8,590,400
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]
Ending Balance	9,726,466				9,291,089				9,726,466		9,291,089		9,055,270
Entergy Arkansas [Member]
Beginning Balance				1,579,616				1,444,124	1,579,616		1,444,124		1,403,906
Net income	24,169	82,577	40,483	14,719	10,185	82,551	45,755	13,874	161,948		152,365		164,891
Ending Balance	1,719,718				1,579,616				1,719,718		1,579,616		1,444,124
Entergy Gulf States Louisiana [Member]
Beginning Balance				1,383,004				1,333,776	1,383,004		1,333,776		1,464,289
Net income	42,135	62,642	29,720	27,165	30,020	50,210	50,389	28,358	161,662		158,977		201,604
Ending Balance	1,460,977				1,383,004				1,460,977		1,383,004		1,333,776
Entergy Gulf States Louisiana [Member] | Member's Equity [Member]
Beginning Balance				1,438,233				1,393,386	1,438,233		1,393,386		1,494,593
Net income									161,662		158,977		201,604
Ending Balance	1,479,179				1,438,233				1,479,179		1,438,233		1,393,386
Entergy Louisiana [Member]
Beginning Balance				3,070,496				2,564,929	3,070,496		2,564,929		2,136,871
Net income	45,114	100,597	61,377	45,376	36,864	80,208	130,714	33,295	252,464		281,081		473,923
Ending Balance	2,975,652				3,070,496				2,975,652		3,070,496		2,564,929
Entergy Louisiana [Member] | Member's Equity [Member]
Beginning Balance				3,016,628				2,504,436	3,016,628		2,504,436		2,061,833
Net income									252,464		281,081		473,923
Ending Balance	2,885,287				3,016,628				2,885,287		3,016,628		2,504,436
Entergy Mississippi [Member]
Beginning Balance				879,646				835,706	879,646		835,706		733,105
Net income	15,458	33,813	18,954	13,934	(4,908)	27,080	15,914	8,682	82,159		46,768		108,729
Ending Balance	951,577				879,646				951,577		879,646		835,706
Entergy New Orleans [Member]
Beginning Balance				195,565				181,165	195,565		181,165		188,154
Net income	1,692	8,086	598	1,307	(716)	10,555	7,186	40	11,683		17,065		35,976
Ending Balance	206,283				195,565				206,283		195,565		181,165
Entergy Texas [Member]
Beginning Balance				854,146				899,355	854,146		899,355		824,290
Net income	10,205	35,801	10,953	922	4,788	19,234	16,204	1,745	57,881		41,971		80,845
Ending Balance	887,027				854,146				887,027		854,146		899,355
System Energy [Member]
Beginning Balance				832,729				800,563	832,729		800,563		812,366
Net income	22,819	35,105	27,734	28,006	19,346	30,616	35,368	26,536	113,664		111,866		64,197
Ending Balance	$ 876,107				$ 832,729				$ 876,107		$ 832,729		$ 800,563

[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.