Leases (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Finance Lease, Interest Expense	$ 4,664	$ 3,639
Short-Term Lease, Cost	3,100	5,000
Operating Lease, Right-of-Use Asset	277,000	207,000
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 110,000	$ 84,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Public Utilities, Property, Plant and Equipment, Net	Public Utilities, Property, Plant and Equipment, Net
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Public Utilities, Property, Plant and Equipment, Net	Public Utilities, Property, Plant and Equipment, Net
Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy New Orleans and Entergy Louisiana natural gas distribution businesses [Member]
Disposal group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas - Operating Leases	$ 1,000
Disposal group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas - Finance Leases	$ 4,000
Minimum [Member]
Lessee, Remaining Lease Term	1 year
Maximum [Member]
Lessee, Remaining Lease Term	56 years
Entergy Arkansas [Member]
Finance Lease, Interest Expense	$ 990	$ 545
Short-Term Lease, Cost	1,100	1,700
Operating Lease, Right-of-Use Asset	64,960	61,718
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	36,105	17,622
Entergy Louisiana [Member]
Finance Lease, Interest Expense	1,068	729
Short-Term Lease, Cost	1,100	1,600
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]
Finance Lease, Interest Expense	1,116	973
Short-Term Lease, Cost	500	1,100
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]
Finance Lease, Interest Expense	264	150
Short-Term Lease, Cost	100	100
Operating Lease, Right-of-Use Asset	7,971	6,119
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	6,451	4,779
Entergy Texas [Member]
Finance Lease, Interest Expense	399	284
Short-Term Lease, Cost	300	400
Operating Lease, Right-of-Use Asset	27,524	21,321
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 10,822	$ 8,714