Leases (Lease, Maturity) (Details) $ in Thousands	Dec. 31, 2024 USD ($)
Lessee, Operating Lease, Liability, to be Paid, Year Two	$ 68,793
Finance Lease, Liability, to be Paid, Year Two	22,129
Lessee, Operating Lease, Liability, to be Paid, Year Three	58,349
Finance Lease, Liability, to be Paid, Year Three	19,676
Lessee, Operating Lease, Liability, to be Paid, Year Four	40,111
Finance Lease, Liability, to be Paid, Year Four	16,993
Lessee, Operating Lease, Liability, to be Paid, Year Five	24,807
Finance Lease, Liability, to be Paid, Year Five	13,008
Lessee, Operating Lease, Liability, to be Paid, after Year Five	48,439
Finance Lease, Liability, to be Paid, after Year Five	55,018
Lessee, Operating Lease, Liability, to be Paid	317,596
Finance Lease, Liability, to be Paid	150,684
Amount of minimum lease payments representing interest, finance leases	35,895
Amount of minimum lease payments representing interest	40,399
Present Value Net Minimum Operating Lease Payments	277,197
Present Value Net Minimum Financing Lease Payments	114,789
Lessee, Operating Lease, Liability, to be Paid, Year One	77,097
Finance Lease, Liability, to be Paid, Year One	23,860
Entergy Louisiana [Member]
Lessee, Operating Lease, Liability, to be Paid, Year Two	17,733
Finance Lease, Liability, to be Paid, Year Two	5,974
Lessee, Operating Lease, Liability, to be Paid, Year Three	15,425
Finance Lease, Liability, to be Paid, Year Three	5,084
Lessee, Operating Lease, Liability, to be Paid, Year Four	11,561
Finance Lease, Liability, to be Paid, Year Four	4,183
Lessee, Operating Lease, Liability, to be Paid, Year Five	6,328
Finance Lease, Liability, to be Paid, Year Five	3,303
Lessee, Operating Lease, Liability, to be Paid, after Year Five	4,473
Finance Lease, Liability, to be Paid, after Year Five	4,516
Lessee, Operating Lease, Liability, to be Paid	75,613
Finance Lease, Liability, to be Paid	29,783
Amount of minimum lease payments representing interest, finance leases	3,624
Amount of minimum lease payments representing interest	9,701
Present Value Net Minimum Operating Lease Payments	65,912
Present Value Net Minimum Financing Lease Payments	26,159
Lessee, Operating Lease, Liability, to be Paid, Year One	20,093
Finance Lease, Liability, to be Paid, Year One	6,723
Entergy Mississippi [Member]
Lessee, Operating Lease, Liability, to be Paid, Year Two	8,540
Finance Lease, Liability, to be Paid, Year Two	3,331
Lessee, Operating Lease, Liability, to be Paid, Year Three	7,744
Finance Lease, Liability, to be Paid, Year Three	2,877
Lessee, Operating Lease, Liability, to be Paid, Year Four	5,952
Finance Lease, Liability, to be Paid, Year Four	2,444
Lessee, Operating Lease, Liability, to be Paid, Year Five	3,212
Finance Lease, Liability, to be Paid, Year Five	2,001
Lessee, Operating Lease, Liability, to be Paid, after Year Five	3,126
Finance Lease, Liability, to be Paid, after Year Five	24,082
Lessee, Operating Lease, Liability, to be Paid	38,338
Finance Lease, Liability, to be Paid	38,375
Amount of minimum lease payments representing interest, finance leases	14,876
Amount of minimum lease payments representing interest	5,928
Present Value Net Minimum Operating Lease Payments	32,410
Present Value Net Minimum Financing Lease Payments	23,499
Lessee, Operating Lease, Liability, to be Paid, Year One	9,764
Finance Lease, Liability, to be Paid, Year One	3,640
Entergy New Orleans [Member]
Lessee, Operating Lease, Liability, to be Paid, Year Two	1,859
Finance Lease, Liability, to be Paid, Year Two	1,399
Lessee, Operating Lease, Liability, to be Paid, Year Three	1,539
Finance Lease, Liability, to be Paid, Year Three	1,263
Lessee, Operating Lease, Liability, to be Paid, Year Four	1,265
Finance Lease, Liability, to be Paid, Year Four	1,057
Lessee, Operating Lease, Liability, to be Paid, Year Five	862
Finance Lease, Liability, to be Paid, Year Five	864
Lessee, Operating Lease, Liability, to be Paid, after Year Five	1,395
Finance Lease, Liability, to be Paid, after Year Five	1,252
Lessee, Operating Lease, Liability, to be Paid	9,114
Finance Lease, Liability, to be Paid	7,304
Amount of minimum lease payments representing interest, finance leases	853
Amount of minimum lease payments representing interest	1,234
Present Value Net Minimum Operating Lease Payments	7,880
Present Value Net Minimum Financing Lease Payments	6,451
Lessee, Operating Lease, Liability, to be Paid, Year One	2,194
Finance Lease, Liability, to be Paid, Year One	1,469
Entergy Texas [Member]
Lessee, Operating Lease, Liability, to be Paid, Year Two	7,577
Finance Lease, Liability, to be Paid, Year Two	2,421
Lessee, Operating Lease, Liability, to be Paid, Year Three	5,903
Finance Lease, Liability, to be Paid, Year Three	2,096
Lessee, Operating Lease, Liability, to be Paid, Year Four	4,546
Finance Lease, Liability, to be Paid, Year Four	1,808
Lessee, Operating Lease, Liability, to be Paid, Year Five	2,891
Finance Lease, Liability, to be Paid, Year Five	1,356
Lessee, Operating Lease, Liability, to be Paid, after Year Five	1,908
Finance Lease, Liability, to be Paid, after Year Five	1,936
Lessee, Operating Lease, Liability, to be Paid	31,504
Finance Lease, Liability, to be Paid	12,245
Amount of minimum lease payments representing interest, finance leases	1,423
Amount of minimum lease payments representing interest	3,975
Present Value Net Minimum Operating Lease Payments	27,529
Present Value Net Minimum Financing Lease Payments	10,822
Lessee, Operating Lease, Liability, to be Paid, Year One	8,679
Finance Lease, Liability, to be Paid, Year One	2,628
Entergy Arkansas [Member]
Lessee, Operating Lease, Liability, to be Paid, Year Two	17,923
Finance Lease, Liability, to be Paid, Year Two	6,084
Lessee, Operating Lease, Liability, to be Paid, Year Three	15,301
Finance Lease, Liability, to be Paid, Year Three	5,444
Lessee, Operating Lease, Liability, to be Paid, Year Four	9,588
Finance Lease, Liability, to be Paid, Year Four	4,606
Lessee, Operating Lease, Liability, to be Paid, Year Five	4,915
Finance Lease, Liability, to be Paid, Year Five	3,793
Lessee, Operating Lease, Liability, to be Paid, after Year Five	4,543
Finance Lease, Liability, to be Paid, after Year Five	23,226
Lessee, Operating Lease, Liability, to be Paid	71,895
Finance Lease, Liability, to be Paid	49,608
Amount of minimum lease payments representing interest, finance leases	13,290
Amount of minimum lease payments representing interest	6,937
Present Value Net Minimum Operating Lease Payments	64,958
Present Value Net Minimum Financing Lease Payments	36,318
Lessee, Operating Lease, Liability, to be Paid, Year One	19,625
Finance Lease, Liability, to be Paid, Year One	$ 6,455