Schedule II - Valuation And Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance	$ 25,905	$ 30,856	$ 68,608
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	39,880	43,459	78,059
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	17,919	25,905	30,856
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	31,894	38,508	40,307
Entergy Arkansas [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance	7,182	6,528	13,072
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	9,507	8,774	21,491
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	4,672	7,182	6,528
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	6,997	9,428	14,947
Entergy New Orleans [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance	7,770	11,909	13,282
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	5,600	7,489	9,064
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	6,735	7,770	11,909
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	4,565	3,350	7,691
Entergy Mississippi [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance	3,312	2,472	7,209
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	5,890	6,435	7,789
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	2,172	3,312	2,472
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	4,750	7,275	3,052
Entergy Louisiana [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance	6,156	7,595	29,231
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	13,137	15,315	32,210
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	3,036	6,156	7,595
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	10,017	13,876	10,574
Entergy Texas [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance	1,484	2,352	5,814
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	5,747	5,447	7,504
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	1,304	1,484	2,352
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	$ 5,567	$ 4,579	$ 4,042