Leases (Lease, Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Operating Lease, Liability, Current	$ 65,907	$ 60,789
Finance Lease, Liability, Current	$ 18,253	$ 16,671
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Deferred Credits and Other Liabilities	Deferred Credits and Other Liabilities
Operating Lease, Liability, Noncurrent	$ 211,290	$ 146,627
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Deferred Credits and Other Liabilities	Deferred Credits and Other Liabilities
Finance Lease, Liability, Noncurrent	$ 96,536	$ 72,215
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy New Orleans and Entergy Louisiana natural gas distribution businesses [Member]
Disposal Group, Other Liabilities, Current - Operating Leases	$ 300
Disposal Group, Other Liabilities, Current - Finance Leases	1,000
Disposal Group, Other Liabilities, Noncurrent - Operating Leases	1,000
Disposal Group, Other Liabilities, Noncurrent - Finance Leases	3,000
Entergy Louisiana [Member]
Operating Lease, Liability, Current	17,016	$ 14,771
Finance Lease, Liability, Current	5,620	4,870
Operating Lease, Liability, Noncurrent	48,896	39,282
Finance Lease, Liability, Noncurrent	20,539	16,568
Entergy Louisiana [Member] | Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy Louisiana natural gas distribution business [Member]
Disposal Group, Other Liabilities, Current - Operating Leases	200
Disposal Group, Other Liabilities, Current - Finance Leases	400
Disposal Group, Other Liabilities, Noncurrent - Operating Leases	200
Disposal Group, Other Liabilities, Noncurrent - Finance Leases	1,000
Entergy Mississippi [Member]
Operating Lease, Liability, Current	8,116	6,754
Finance Lease, Liability, Current	3,228	3,059
Operating Lease, Liability, Noncurrent	24,294	18,722
Finance Lease, Liability, Noncurrent	20,271	19,602
Entergy New Orleans [Member]
Operating Lease, Liability, Current	1,885	1,681
Finance Lease, Liability, Current	1,218	991
Operating Lease, Liability, Noncurrent	5,995	4,377
Finance Lease, Liability, Noncurrent	5,233	3,788
Entergy New Orleans [Member] | Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy New Orleans natural gas distribution business [Member]
Disposal Group, Other Liabilities, Current - Operating Leases	100
Disposal Group, Other Liabilities, Current - Finance Leases	700
Disposal Group, Other Liabilities, Noncurrent - Operating Leases	300
Disposal Group, Other Liabilities, Noncurrent - Finance Leases	2,300
Entergy Texas [Member]
Operating Lease, Liability, Current	7,387	6,023
Finance Lease, Liability, Current	2,185	1,865
Operating Lease, Liability, Noncurrent	20,142	15,304
Finance Lease, Liability, Noncurrent	8,637	6,849
Entergy Arkansas [Member]
Operating Lease, Liability, Current	17,159	15,514
Finance Lease, Liability, Current	3,734	3,743
Operating Lease, Liability, Noncurrent	47,799	46,211
Finance Lease, Liability, Noncurrent	$ 32,584	$ 13,879