Schedule II - Valuation And Qualifying Accounts (Details) - Allowance for Doubtful Accounts Receivable [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance	$ 30,856	$ 68,608	$ 117,794
Valuation Allowances And Reserves Charged To Cost And Expense And Other Accounts	38,508	40,307	57,517
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	43,459	78,059	106,703
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	25,905	30,856	68,608
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	6,528	13,072	18,334
Valuation Allowances And Reserves Charged To Cost And Expense And Other Accounts	9,428	14,947	30,433
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	8,774	21,491	35,695
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	7,182	6,528	13,072
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	11,909	13,282	17,430
Valuation Allowances And Reserves Charged To Cost And Expense And Other Accounts	3,350	7,691	6,850
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	7,489	9,064	10,998
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	7,770	11,909	13,282
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	2,472	7,209	19,527
Valuation Allowances And Reserves Charged To Cost And Expense And Other Accounts	7,275	3,052	850
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	6,435	7,789	13,168
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	3,312	2,472	7,209
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	7,595	29,231	45,693
Valuation Allowances And Reserves Charged To Cost And Expense And Other Accounts	13,876	10,574	17,219
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	15,315	32,210	33,681
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	6,156	7,595	29,231
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	2,352	5,814	16,810
Valuation Allowances And Reserves Charged To Cost And Expense And Other Accounts	4,579	4,042	2,166
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	5,447	7,504	13,162
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	$ 1,484	$ 2,352	$ 5,814