Leases Lease, Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Operating Lease, Weighted Average Remaining Lease Term	4 years 3 months 25 days	4 years 5 months 8 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 7 months 17 days	6 years 2 months 4 days
Operating Lease, Weighted Average Discount Rate, Percent	3.61%	3.37%
Finance Lease, Weighted Average Discount Rate, Percent	3.95%	3.96%
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Deferred Credits and Other Liabilities	Deferred Credits and Other Liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Deferred Credits and Other Liabilities	Deferred Credits and Other Liabilities
Entergy Louisiana [Member]
Operating Lease, Liability, Current	$ 13,554	$ 12,520
Finance Lease, Liability, Current	4,276	4,001
Operating Lease, Liability, Noncurrent	32,588	33,931
Finance Lease, Liability, Noncurrent	$ 14,264	$ 15,006
Operating Lease, Weighted Average Remaining Lease Term	4 years 3 months 3 days	4 years 7 months 24 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 3 months 7 days	5 years 6 months 25 days
Operating Lease, Weighted Average Discount Rate, Percent	3.24%	2.93%
Finance Lease, Weighted Average Discount Rate, Percent	3.15%	3.08%
Entergy Mississippi [Member]
Operating Lease, Liability, Current	$ 6,540	$ 5,866
Finance Lease, Liability, Current	1,974	1,843
Operating Lease, Liability, Noncurrent	17,098	10,976
Finance Lease, Liability, Noncurrent	$ 6,604	$ 7,271
Operating Lease, Weighted Average Remaining Lease Term	5 years 3 months 21 days	5 years 4 months 9 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 1 month 24 days	5 years 7 months 17 days
Operating Lease, Weighted Average Discount Rate, Percent	3.52%	3.00%
Finance Lease, Weighted Average Discount Rate, Percent	2.87%	2.87%
Entergy New Orleans [Member]
Operating Lease, Liability, Current	$ 1,650	$ 1,491
Finance Lease, Liability, Current	918	812
Operating Lease, Liability, Noncurrent	4,217	3,994
Finance Lease, Liability, Noncurrent	$ 3,424	$ 3,211
Operating Lease, Weighted Average Remaining Lease Term	6 years 29 days	5 years 4 months 6 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 8 months 19 days	5 years 11 months 8 days
Operating Lease, Weighted Average Discount Rate, Percent	3.50%	2.99%
Finance Lease, Weighted Average Discount Rate, Percent	3.04%	3.03%
Entergy Texas [Member]
Operating Lease, Liability, Current	$ 5,640	$ 4,489
Finance Lease, Liability, Current	1,654	1,476
Operating Lease, Liability, Noncurrent	11,441	10,505
Finance Lease, Liability, Noncurrent	$ 6,440	$ 6,107
Operating Lease, Weighted Average Remaining Lease Term	3 years 10 months 2 days	3 years 11 months 8 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 8 months 1 day	5 years 11 months 19 days
Operating Lease, Weighted Average Discount Rate, Percent	3.63%	3.04%
Finance Lease, Weighted Average Discount Rate, Percent	3.07%	2.79%
Entergy Arkansas [Member]
Operating Lease, Liability, Current	$ 14,140	$ 12,695
Finance Lease, Liability, Current	2,985	2,964
Operating Lease, Liability, Noncurrent	41,874	43,420
Finance Lease, Liability, Noncurrent	$ 10,508	$ 12,079
Operating Lease, Weighted Average Remaining Lease Term	4 years 6 months 18 days	5 years 1 month 17 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 3 months 25 days	5 years 10 months 20 days
Operating Lease, Weighted Average Discount Rate, Percent	3.43%	3.10%
Finance Lease, Weighted Average Discount Rate, Percent	2.93%	2.80%