Acquisitions, Held for Sale, and Dispositions (Disposal Groups, Including Discontinued Operations) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Assets, Current	$ 15,574	$ 0
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	462,797	0
Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy New Orleans and Entergy Louisiana natural gas distribution businesses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Assets, Deferred Fuel Cost	5,608
Disposal Group, Assets, Energy Related Inventory	4,493
Disposal Group, Assets, Public Utilities, Inventory	5,451
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current	22
Disposal Group, Including Discontinued Operation, Assets, Current	15,574
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas	679,502
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Construction Work In Progress	2,959
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Accumulated Depreciation	(276,388)
Disposal Group, Assets, Regulatory Asset, Noncurrent	35,381
Disposal Group, Including Discontinued Operation, Goodwill, Noncurrent	6,474
Disposal Group, Assets, Defined Benefit Plan, Noncurrent	14,663
Disposal Group, Assets, Other Assets, Noncurrent	206
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	462,797
Disposal Group, Including Discontinued Operation, Accounts Payable, Current	702
Disposal Group, Liabilities, Contract with Customer, Refund Liability, Current	6,214
Disposal Group, Liabilities, Taxes Payable, Current	13
Disposal Group, Including Discontinued Operation, Other Liabilities, Current	1,401
Disposal Group, Including Discontinued Operation, Liabilities, Current	8,330
Disposal Group, Liabilities, Regulatory Liability for Income Taxes - net	31,575
Disposal Group, Liabilities, Regulatory Liability, Noncurrent	1,611
Disposal Group, Liabilities, Defined Benefit Plan, Noncurrent	3,976
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent	3,844
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	41,006
Entergy Louisiana [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Assets, Current	2,474	0
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	173,669	0
Entergy Louisiana [Member] | Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy Louisiana natural gas distribution business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Assets, Deferred Fuel Cost	727
Disposal Group, Assets, Energy Related Inventory	702
Disposal Group, Assets, Public Utilities, Inventory	1,045
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current	0
Disposal Group, Including Discontinued Operation, Assets, Current	2,474
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas	303,193
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Construction Work In Progress	1,085
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Accumulated Depreciation	(139,556)
Disposal Group, Assets, Regulatory Asset, Noncurrent	8,947
Disposal Group, Including Discontinued Operation, Goodwill, Noncurrent	0
Disposal Group, Assets, Defined Benefit Plan, Noncurrent	0
Disposal Group, Assets, Other Assets, Noncurrent	0
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	173,669
Disposal Group, Including Discontinued Operation, Accounts Payable, Current	702
Disposal Group, Liabilities, Contract with Customer, Refund Liability, Current	1,984
Disposal Group, Liabilities, Taxes Payable, Current	13
Disposal Group, Including Discontinued Operation, Other Liabilities, Current	589
Disposal Group, Including Discontinued Operation, Liabilities, Current	3,288
Disposal Group, Liabilities, Regulatory Liability for Income Taxes - net	4,981
Disposal Group, Liabilities, Regulatory Liability, Noncurrent	1,214
Disposal Group, Liabilities, Defined Benefit Plan, Noncurrent	4,525
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent	1,194
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	11,914
Entergy New Orleans [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Assets, Current	13,100	0
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	284,738	$ 0
Entergy New Orleans [Member] | Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] | Entergy New Orleans natural gas distribution business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Assets, Deferred Fuel Cost	4,881
Disposal Group, Assets, Energy Related Inventory	3,791
Disposal Group, Assets, Public Utilities, Inventory	4,406
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current	22
Disposal Group, Including Discontinued Operation, Assets, Current	13,100
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Natural Gas	376,309
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Construction Work In Progress	1,874
Disposal Group, Assets, Public Utilities, Property, Plant, and Equipment, Accumulated Depreciation	(136,832)
Disposal Group, Assets, Regulatory Asset, Noncurrent	23,682
Disposal Group, Including Discontinued Operation, Goodwill, Noncurrent	0
Disposal Group, Assets, Defined Benefit Plan, Noncurrent	19,499
Disposal Group, Assets, Other Assets, Noncurrent	206
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	284,738
Disposal Group, Including Discontinued Operation, Accounts Payable, Current	0
Disposal Group, Liabilities, Contract with Customer, Refund Liability, Current	4,230
Disposal Group, Liabilities, Taxes Payable, Current	0
Disposal Group, Including Discontinued Operation, Other Liabilities, Current	812
Disposal Group, Including Discontinued Operation, Liabilities, Current	5,042
Disposal Group, Liabilities, Regulatory Liability for Income Taxes - net	26,594
Disposal Group, Liabilities, Regulatory Liability, Noncurrent	397
Disposal Group, Liabilities, Defined Benefit Plan, Noncurrent	1,197
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent	2,650
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	$ 30,838