Leases (Lease, Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Finance Lease, Right-of-Use Asset, Amortization	$ 18,063	$ 15,193
Finance Lease, Interest Expense	4,664	3,639
Short-Term Lease, Cost	3,100	5,000
Operating Lease, Cost	76,494	68,136
Entergy Louisiana [Member]
Finance Lease, Right-of-Use Asset, Amortization	5,755	4,835
Finance Lease, Interest Expense	1,068	729
Short-Term Lease, Cost	1,100	1,600
Operating Lease, Cost	19,770	16,906
Entergy Mississippi [Member]
Finance Lease, Right-of-Use Asset, Amortization	2,604	2,227
Finance Lease, Interest Expense	1,116	973
Short-Term Lease, Cost	500	1,100
Operating Lease, Cost	9,482	7,837
Entergy New Orleans [Member]
Finance Lease, Right-of-Use Asset, Amortization	1,240	1,025
Finance Lease, Interest Expense	264	150
Short-Term Lease, Cost	100	100
Operating Lease, Cost	2,234	1,912
Entergy Texas [Member]
Finance Lease, Right-of-Use Asset, Amortization	2,104	1,786
Finance Lease, Interest Expense	399	284
Short-Term Lease, Cost	300	400
Operating Lease, Cost	7,977	7,290
Entergy Arkansas [Member]
Finance Lease, Right-of-Use Asset, Amortization	4,675	3,633
Finance Lease, Interest Expense	990	545
Short-Term Lease, Cost	1,100	1,700
Operating Lease, Cost	$ 19,382	$ 17,065