Leases Lease, Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Entergy Louisiana [Member]
Operating Lease, Right-of-Use Asset	$ 54,047	$ 46,137
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	21,438	18,540
Entergy Mississippi [Member]
Operating Lease, Right-of-Use Asset	25,470	23,624
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	22,661	8,578
Entergy New Orleans [Member]
Operating Lease, Right-of-Use Asset	6,119	5,906
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	4,779	4,342
Entergy Texas [Member]
Operating Lease, Right-of-Use Asset	21,321	17,076
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	8,714	8,094
Entergy Arkansas [Member]
Operating Lease, Right-of-Use Asset	61,718	56,000
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 17,622	$ 13,493