Rate And Regulatory Matters (Effects On Financial Statement Line Items) (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
Income before income taxes									$ 956,553		$ 899,218		$ 1,653,635
Income taxes (benefit)									225,981		30,855		286,263
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]
Accounts receivable-associated companies	1,172,186				1,001,715				1,172,186		1,001,715
Entergy Mississippi [Member]
Income before income taxes									131,916		105,447		137,530
Income taxes (benefit)									49,757		58,679		28,801
Net income	15,458	33,813	18,954	13,934	(4,908)	27,080	15,914	8,682	82,159		46,768		108,729
Accounts receivable-associated companies	143,316				128,547				143,316		128,547
Entergy New Orleans [Member]
Income before income taxes									13,302		24,305		51,838
Income taxes (benefit)									1,619		7,240		15,862
Net income	1,692	8,086	598	1,307	(716)	10,555	7,186	40	11,683		17,065		35,976
Accounts receivable-associated companies	$ 91,583				$ 83,261				$ 91,583		$ 83,261

[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.