Rate And Regulatory Matters (Schedule of Deferred Fuel Costs) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred Fuel Cost, Noncurrent	$ 172,201	$ 172,201
Entergy Arkansas [Member]
Deferred Fuel Cost - Net Asset (Liability)	27,700	(45,200)
Entergy Louisiana [Member]
Deferred Fuel Cost - Net Asset (Liability)	15,700	(4,700)
Deferred Fuel Cost, Noncurrent	168,122	168,122
Entergy Mississippi [Member]
Deferred Fuel Cost - Net Asset (Liability)	10,800	(126,300)
Entergy New Orleans [Member]
Deferred Fuel Cost - Net Asset (Liability)	(3,200)	3,900
Deferred Fuel Cost, Noncurrent	4,080	4,080
Entergy New Orleans [Member] | Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy New Orleans natural gas distribution business [Member]
Disposal Group, Assets, Deferred Fuel Cost		4,881
Entergy Texas [Member]
Deferred Fuel Cost - Net Asset (Liability)	$ (11,400)	$ (59,300)