Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	$ 10,684	$ (34,576)	$ 10,325	$ (39,777)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	5,839	2,779	12,216	3,037
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	2,870	19,515	42,164	37,873
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	(403)	(487)	(403)	(640)
Entergy Louisiana [Member]
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	$ (292)	$ (144)	$ (524)	$ (259)