Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income	$ (1,394)	$ 365,113	$ 337,750	$ 488,406
Other comprehensive income (loss)
Cash flow hedges net unrealized gain (loss)	(222)	(25,406)	(29,802)	(47,116)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	22,098	17,224	45,065	71,123
Net unrealized investment gains	(108)	18,565	(44,795)	34,309
Other comprehensive income (loss)	21,768	10,383	(29,532)	58,316
Total comprehensive income	20,374	375,496	308,218	546,722
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	4,580	4,580	9,159	9,159
Comprehensive Income Attributable to Entergy Corporation	15,794	370,916	299,059	537,563
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	6,231	4,713	12,545	19,789
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax	(27)	10,812	(25,608)	19,555
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	66	6,760	7,935	12,537
Entergy Louisiana [Member]
Net income	143,927	170,459	310,553	359,855
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	588	(945)	181	8,522
Other comprehensive income (loss)	588	(945)	181	8,522
Total comprehensive income	144,515	169,514	310,734	368,377
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	208	(334)	64	3,006
Entergy Arkansas [Member]
Net income	56,593	60,170	149,630	104,765
System Energy [Member]
Net income	$ 30,330	$ 28,991	$ 54,194	$ 57,504