Retirement, Other Postretirement Benefits, And Defined Contribution Plans Contributions To Defined Contribution Plans (Details) - Defined Contribution Plans [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Entergy Arkansas [Member]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 5,124	$ 4,820	$ 4,515
Entergy Louisiana [Member]
Defined Contribution Plan, Employer Discretionary Contribution Amount	7,138	6,678	6,518
Entergy Mississippi [Member]
Defined Contribution Plan, Employer Discretionary Contribution Amount	3,194	3,045	2,863
Entergy New Orleans [Member]
Defined Contribution Plan, Employer Discretionary Contribution Amount	1,223	1,140	1,115
Entergy Texas [Member]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 2,938	$ 2,699	$ 2,596