Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	[1]	$ 425,353	$ (564,503)	$ (156,734)
Other comprehensive income (loss)
Cash flow hedges net unrealized gain (loss)		(41,470)	(101,977)	7,852
Pension and other postretirement liabilities		(61,653)	(2,842)	103,185
Net unrealized investment gains		115,311	62,177	(59,138)
Foreign currency translation		(748)	(1,280)	(641)
Net other comprehensive income (loss) for the period		11,440	(43,922)	51,258
Total comprehensive income		436,793	(608,425)	(105,476)
Preferred dividend requirements of subsidiaries	[1]	13,741	19,115	19,828
Comprehensive Income Attributable to Entergy Corporation		423,052	(627,540)	(125,304)
Entergy Louisiana [Member]
Net income		316,347	622,047	446,639
Other comprehensive income (loss)
Pension and other postretirement liabilities		2,042	7,970	22,811
Net other comprehensive income (loss) for the period		2,042	7,970	22,811
Total comprehensive income		$ 318,389	$ 630,017	469,450
Preferred dividend requirements of subsidiaries				$ 5,737

[1] (a) Consolidated net income and preferred dividend requirements of subsidiaries include $13.7 million for 2017, $19.1 million for 2016, and $14.9 million for 2015 of preferred dividends on subsidiaries’ preferred stock without sinking fund that is not presented as equity.