Leases (Lease, Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Operating Lease, Right-of-Use Asset	$ 277,000	$ 207,000
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	110,000	84,000
Entergy Louisiana [Member]
Operating Lease, Right-of-Use Asset	65,909	54,047
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	26,159	21,438
Entergy Louisiana [Member] | Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy Louisiana natural gas distribution business [Member]
Disposal group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas - Operating Leases	400
Disposal group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas - Finance Leases	1,400
Entergy Mississippi [Member]
Operating Lease, Right-of-Use Asset	32,399	25,470
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	22,641	22,661
Entergy New Orleans [Member]
Operating Lease, Right-of-Use Asset	7,971	6,119
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	6,451	4,779
Entergy New Orleans [Member] | Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy New Orleans natural gas distribution business [Member]
Disposal group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas - Operating Leases	400
Disposal group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas - Finance Leases	3,000
Entergy Texas [Member]
Operating Lease, Right-of-Use Asset	27,524	21,321
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	10,822	8,714
Entergy Arkansas [Member]
Operating Lease, Right-of-Use Asset	64,960	61,718
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 36,105	$ 17,622