Leases Lease, Maturity (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Lessee, Operating Lease, Liability, Payments, Due Year Two	$ 53,807
Finance Lease, Liability, Payments, Due Year Two	14,876
Lessee, Operating Lease, Liability, Payments, Due Year Three	38,379
Finance Lease, Liability, Payments, Due Year Three	13,464
Lessee, Operating Lease, Liability, Payments, Due Year Four	26,671
Finance Lease, Liability, Payments, Due Year Four	11,581
Lessee, Operating Lease, Liability, Payments, Due Year Five	16,563
Finance Lease, Liability, Payments, Due Year Five	9,254
Lessee, Operating Lease, Liability, Payments, Due after Year Five	9,171
Finance Lease, Liability, Payments, Due after Year Five	11,091
Lessee, Operating Lease, Liability, Payments, Due	206,649
Finance Lease, Liability, Payments, Due	76,467
Operating Lease, Cost	15,197
Finance Lease, Interest Payment on Liability	7,768
Present Value Net Minimum Operating Lease Payments	191,452
Present Value Net Minimum Financing Lease Payments	68,699
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	62,058
Finance Lease, Liability, Payments, Due Next Twelve Months	16,201
Entergy Louisiana [Member]
Lessee, Operating Lease, Liability, Payments, Due Year Two	12,656
Finance Lease, Liability, Payments, Due Year Two	4,246
Lessee, Operating Lease, Liability, Payments, Due Year Three	9,779
Finance Lease, Liability, Payments, Due Year Three	3,703
Lessee, Operating Lease, Liability, Payments, Due Year Four	6,195
Finance Lease, Liability, Payments, Due Year Four	2,942
Lessee, Operating Lease, Liability, Payments, Due Year Five	3,556
Finance Lease, Liability, Payments, Due Year Five	2,112
Lessee, Operating Lease, Liability, Payments, Due after Year Five	2,278
Finance Lease, Liability, Payments, Due after Year Five	2,239
Lessee, Operating Lease, Liability, Payments, Due	49,272
Finance Lease, Liability, Payments, Due	20,033
Operating Lease, Cost	3,129
Finance Lease, Interest Payment on Liability	1,493
Present Value Net Minimum Operating Lease Payments	46,143
Present Value Net Minimum Financing Lease Payments	18,540
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	14,808
Finance Lease, Liability, Payments, Due Next Twelve Months	4,791
Entergy Mississippi [Member]
Lessee, Operating Lease, Liability, Payments, Due Year Two	6,244
Finance Lease, Liability, Payments, Due Year Two	2,007
Lessee, Operating Lease, Liability, Payments, Due Year Three	5,319
Finance Lease, Liability, Payments, Due Year Three	1,748
Lessee, Operating Lease, Liability, Payments, Due Year Four	3,224
Finance Lease, Liability, Payments, Due Year Four	1,414
Lessee, Operating Lease, Liability, Payments, Due Year Five	1,867
Finance Lease, Liability, Payments, Due Year Five	962
Lessee, Operating Lease, Liability, Payments, Due after Year Five	2,328
Finance Lease, Liability, Payments, Due after Year Five	856
Lessee, Operating Lease, Liability, Payments, Due	26,212
Finance Lease, Liability, Payments, Due	9,178
Operating Lease, Cost	2,574
Finance Lease, Interest Payment on Liability	600
Present Value Net Minimum Operating Lease Payments	23,638
Present Value Net Minimum Financing Lease Payments	8,578
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	7,230
Finance Lease, Liability, Payments, Due Next Twelve Months	2,191
Entergy New Orleans [Member]
Lessee, Operating Lease, Liability, Payments, Due Year Two	1,569
Finance Lease, Liability, Payments, Due Year Two	906
Lessee, Operating Lease, Liability, Payments, Due Year Three	1,116
Finance Lease, Liability, Payments, Due Year Three	795
Lessee, Operating Lease, Liability, Payments, Due Year Four	684
Finance Lease, Liability, Payments, Due Year Four	718
Lessee, Operating Lease, Liability, Payments, Due Year Five	305
Finance Lease, Liability, Payments, Due Year Five	585
Lessee, Operating Lease, Liability, Payments, Due after Year Five	1,113
Finance Lease, Liability, Payments, Due after Year Five	667
Lessee, Operating Lease, Liability, Payments, Due	6,588
Finance Lease, Liability, Payments, Due	4,707
Operating Lease, Cost	722
Finance Lease, Interest Payment on Liability	365
Present Value Net Minimum Operating Lease Payments	5,866
Present Value Net Minimum Financing Lease Payments	4,342
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	1,801
Finance Lease, Liability, Payments, Due Next Twelve Months	1,036
Entergy Texas [Member]
Lessee, Operating Lease, Liability, Payments, Due Year Two	5,080
Finance Lease, Liability, Payments, Due Year Two	1,719
Lessee, Operating Lease, Liability, Payments, Due Year Three	3,621
Finance Lease, Liability, Payments, Due Year Three	1,588
Lessee, Operating Lease, Liability, Payments, Due Year Four	1,930
Finance Lease, Liability, Payments, Due Year Four	1,341
Lessee, Operating Lease, Liability, Payments, Due Year Five	895
Finance Lease, Liability, Payments, Due Year Five	1,034
Lessee, Operating Lease, Liability, Payments, Due after Year Five	615
Finance Lease, Liability, Payments, Due after Year Five	1,231
Lessee, Operating Lease, Liability, Payments, Due	18,293
Finance Lease, Liability, Payments, Due	8,788
Operating Lease, Cost	1,212
Finance Lease, Interest Payment on Liability	694
Present Value Net Minimum Operating Lease Payments	17,081
Present Value Net Minimum Financing Lease Payments	8,094
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	6,152
Finance Lease, Liability, Payments, Due Next Twelve Months	1,875
Entergy Arkansas [Member]
Lessee, Operating Lease, Liability, Payments, Due Year Two	14,195
Finance Lease, Liability, Payments, Due Year Two	3,034
Lessee, Operating Lease, Liability, Payments, Due Year Three	12,359
Finance Lease, Liability, Payments, Due Year Three	2,693
Lessee, Operating Lease, Liability, Payments, Due Year Four	9,578
Finance Lease, Liability, Payments, Due Year Four	2,253
Lessee, Operating Lease, Liability, Payments, Due Year Five	6,285
Finance Lease, Liability, Payments, Due Year Five	1,656
Lessee, Operating Lease, Liability, Payments, Due after Year Five	2,242
Finance Lease, Liability, Payments, Due after Year Five	1,526
Lessee, Operating Lease, Liability, Payments, Due	60,413
Finance Lease, Liability, Payments, Due	14,496
Operating Lease, Cost	4,399
Finance Lease, Interest Payment on Liability	1,002
Present Value Net Minimum Operating Lease Payments	56,014
Present Value Net Minimum Financing Lease Payments	13,494
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	15,754
Finance Lease, Liability, Payments, Due Next Twelve Months	$ 3,334