Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Schedule of Contributions to Defined Contribution Plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Contribution Plan, Cost	$ 72,300	$ 65,100	$ 62,100
Entergy Arkansas [Member]
Defined Contribution Plan, Cost	6,822	5,866	5,124
Entergy Louisiana [Member]
Defined Contribution Plan, Cost	8,784	7,757	7,138
Entergy Mississippi [Member]
Defined Contribution Plan, Cost	4,048	3,534	3,194
Entergy New Orleans [Member]
Defined Contribution Plan, Cost	1,584	1,383	1,223
Entergy Texas [Member]
Defined Contribution Plan, Cost	$ 3,907	$ 3,380	$ 2,938