Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 1,406,653	$ 1,258,244	$ 862,555
Other comprehensive income (loss)
Cash flow hedges net unrealized gain (loss)	(55,487)	115,026	22,098
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	22,496	(25,150)	90,143
Net unrealized investment gains	30,704	27,183	(28,771)
Net other comprehensive income (loss) for the period	(2,287)	117,059	83,470
Total comprehensive income	1,404,366	1,375,303	946,025
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	18,319	17,018	13,894
Comprehensive Income Attributable to Entergy Corporation	1,386,047	1,358,285	932,131
Entergy Louisiana [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	1,082,352	691,537	675,614
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	(235)	10,715	50,296
Net other comprehensive income (loss) for the period	(235)	10,715	50,296
Total comprehensive income	$ 1,082,117	$ 702,252	$ 725,910