Leases Lease, Terms and Discount Rate (Details)	Dec. 31, 2023	Dec. 31, 2022
Operating Lease, Weighted Average Remaining Lease Term	4 years 5 months 15 days	4 years 3 months 25 days
Finance Lease, Weighted Average Remaining Lease Term	8 years 7 months 9 days	5 years 7 months 17 days
Operating Lease, Weighted Average Discount Rate, Percent	4.10%	3.61%
Finance Lease, Weighted Average Discount Rate, Percent	4.64%	3.95%
Entergy Louisiana [Member]
Operating Lease, Weighted Average Remaining Lease Term	4 years 7 months 6 days	4 years 3 months 3 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 4 months 24 days	5 years 3 months 7 days
Operating Lease, Weighted Average Discount Rate, Percent	4.01%	3.24%
Finance Lease, Weighted Average Discount Rate, Percent	3.85%	3.15%
Entergy Mississippi [Member]
Operating Lease, Weighted Average Remaining Lease Term	5 years 4 months 2 days	5 years 3 months 21 days
Finance Lease, Weighted Average Remaining Lease Term	17 years 9 months 25 days	5 years 1 month 24 days
Operating Lease, Weighted Average Discount Rate, Percent	4.08%	3.52%
Finance Lease, Weighted Average Discount Rate, Percent	5.08%	2.87%
Entergy New Orleans [Member]
Operating Lease, Weighted Average Remaining Lease Term	6 years 4 months 17 days	6 years 29 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 8 months 23 days	5 years 8 months 19 days
Operating Lease, Weighted Average Discount Rate, Percent	4.02%	3.50%
Finance Lease, Weighted Average Discount Rate, Percent	3.69%	3.04%
Entergy Texas [Member]
Operating Lease, Weighted Average Remaining Lease Term	4 years 5 months 8 days	3 years 10 months 2 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 5 months 26 days	5 years 8 months 1 day
Operating Lease, Weighted Average Discount Rate, Percent	4.43%	3.63%
Finance Lease, Weighted Average Discount Rate, Percent	3.76%	3.07%
Entergy Arkansas [Member]
Operating Lease, Weighted Average Remaining Lease Term	4 years 7 months 13 days	4 years 6 months 18 days
Finance Lease, Weighted Average Remaining Lease Term	5 years 6 months 25 days	5 years 3 months 25 days
Operating Lease, Weighted Average Discount Rate, Percent	4.04%	3.43%
Finance Lease, Weighted Average Discount Rate, Percent	3.77%	2.93%