Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 1,258,244	$ 862,555	$ 425,353
Other comprehensive income (loss)
Cash flow hedges net unrealized gain (loss)	115,026	22,098	(41,470)
Pension and other postretirement liabilities	(25,150)	90,143	(61,653)
Net unrealized investment gains	27,183	(28,771)	115,311
Foreign currency translation	0	0	(748)
Net other comprehensive income (loss) for the period	117,059	83,470	11,440
Total comprehensive income	1,375,303	946,025	436,793
Preferred dividend requirements of subsidiaries	17,018	13,894	13,741
Comprehensive Income Attributable to Entergy Corporation	1,358,285	932,131	423,052
Entergy Louisiana [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	691,537	675,614	316,347
Other comprehensive income (loss)
Pension and other postretirement liabilities	10,715	50,296	2,042
Net other comprehensive income (loss) for the period	10,715	50,296	2,042
Total comprehensive income	$ 702,252	$ 725,910	$ 318,389