Leases Lease, Terms and Discount Rate (Details)	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%
Entergy Louisiana [Member]
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, 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, 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, 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, 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%