Consolidated Statements Of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues [Abstract]
Revenues	$ 11,879,653	$ 12,147,412	$ 13,764,237
Operating Costs and Expenses [Abstract]
Utilities Operating Expense, Fuel Used	2,256,874	2,801,580	3,732,851
Utilities Operating Expense, Purchased Power	839,236	968,036	1,561,544
Nuclear Refueling Outage Expenses	147,019	150,147	156,032
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	2,898,237	2,898,213	3,038,459
Asset Impairment Charges	107,134	42,679	(163,464)
Accretion Expense, Including Asset Retirement Obligations	220,080	206,674	224,076
Taxes, Other	752,948	755,574	733,538
Cost, Depreciation and Amortization	2,013,168	1,845,003	1,761,023
Other Regulatory Charges (Credits) - Net	(6,133)	(138,469)	669,403
Costs and Expenses, Total	9,228,563	9,529,437	11,713,462
Operating Income (Loss), Total	2,651,090	2,617,975	2,050,775
Nonoperating Income (Expense) [Abstract]
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity	133,046	98,493	72,832
Investment Income, Net	298,865	162,726	(75,581)
Other Nonoperating Income (Expense)	(489,970)	(201,013)	(77,629)
Nonoperating Income (Expense), Total	(58,059)	60,206	(80,378)
Interest Expense, Operating and Nonoperating [Abstract]
Interest Expense, Debt	1,203,588	1,046,164	940,060
Public Utilities, Allowance for Funds Used During Construction, Additions	52,768	39,758	27,823
Interest Expense, Nonoperating	1,150,820	1,006,406	912,237
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	1,442,211	1,671,775	1,058,160
Income Tax Expense (Benefit)	381,027	(690,535)	(38,978)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	1,061,184	2,362,310	1,097,138
Preferred dividend requirements of subsidiaries and net income (loss) attributable to noncontrolling interests	5,594	5,774	(6,028)
Net Income (Loss) Available to Common Stockholders, Basic, Total	$ 1,055,590	$ 2,356,536	$ 1,103,166
Earnings Per Share [Abstract]
Earnings Per Share, Basic	$ 2.47	$ 5.57	$ 2.70
Earnings Per Share, Diluted	$ 2.45	$ 5.55	$ 2.68
Weighted Average Number of Shares Outstanding, Basic	427,713,121	423,139,862	408,900,708
Weighted Average Number of Shares Outstanding, Diluted	431,581,696	424,752,990	411,095,156
Electricity, US Regulated [Member]
Revenues [Abstract]
Revenues	$ 11,627,732	$ 11,842,454	$ 13,186,845
Natural Gas, US Regulated [Member]
Revenues [Abstract]
Revenues	178,070	180,490	233,920
Product and Service, Other [Member]
Revenues [Abstract]
Revenues	73,851	124,468	343,472
Entergy Arkansas [Member]
Revenues [Abstract]
Revenues	2,460,181	2,646,396	2,673,194
Operating Costs and Expenses [Abstract]
Utilities Operating Expense, Fuel Used	274,282	514,885	640,344
Utilities Operating Expense, Purchased Power	239,281	257,890	201,726
Nuclear Refueling Outage Expenses	51,840	59,973	53,438
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	742,573	737,649	754,293
Asset Impairment Charges	131,775	78,434	0
Accretion Expense, Including Asset Retirement Obligations	93,582	87,321	82,326
Taxes, Other	141,225	141,502	136,565
Cost, Depreciation and Amortization	422,767	400,944	386,272
Other Regulatory Charges (Credits) - Net	(152,834)	(87,409)	(89,418)
Costs and Expenses, Total	1,944,491	2,191,189	2,165,546
Operating Income (Loss), Total	515,690	455,207	507,648
Nonoperating Income (Expense) [Abstract]
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity	29,569	20,587	17,787
Investment Income, Net	70,628	25,024	19,554
Other Nonoperating Income (Expense)	(17,995)	(23,216)	(27,348)
Nonoperating Income (Expense), Total	82,202	22,395	9,993
Interest Expense, Operating and Nonoperating [Abstract]
Interest Expense, Debt	218,281	188,232	150,928
Public Utilities, Allowance for Funds Used During Construction, Additions	14,429	8,270	7,070
Interest Expense, Nonoperating	203,852	179,962	143,858
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	394,040	297,640	373,783
Income Tax Expense (Benefit)	74,574	(99,210)	80,896
Net Income (Loss)	324,766	402,081	297,245
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	319,466	396,850	292,887
Net Income (Loss) Attributable to Noncontrolling Interest	(5,300)	(5,231)	(4,358)
Entergy Arkansas [Member] | Affiliated Entity [Member]
Revenues [Abstract]
Revenues	111,800	125,200	127,500
Operating Costs and Expenses [Abstract]
Costs and Expenses, Total	540,600	585,800	617,400
Nonoperating Income (Expense) [Abstract]
Investment Income, Net	2,200	700	100
Entergy Arkansas [Member] | Electricity, US Regulated [Member]
Revenues [Abstract]
Revenues	2,460,181	2,646,396	2,673,194
Entergy Louisiana [Member]
Revenues [Abstract]
Revenues	5,144,018	5,147,770	6,338,768
Operating Costs and Expenses [Abstract]
Utilities Operating Expense, Fuel Used	1,026,343	1,080,485	2,002,456
Utilities Operating Expense, Purchased Power	670,874	654,721	1,076,715
Nuclear Refueling Outage Expenses	76,020	63,429	59,698
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	1,097,283	1,097,233	1,139,605
Accretion Expense, Including Asset Retirement Obligations	80,663	75,962	72,122
Taxes, Other	248,472	245,191	241,908
Cost, Depreciation and Amortization	770,904	726,389	695,204
Other Regulatory Charges (Credits) - Net	41,525	41,209	148,871
Costs and Expenses, Total	4,012,084	3,984,619	5,436,579
Operating Income (Loss), Total	1,131,934	1,163,151	902,189
Nonoperating Income (Expense) [Abstract]
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity	36,782	32,160	26,252
Other Nonoperating Income (Expense)	(123,280)	(160,972)	9,824
Nonoperating Income (Expense), Total	375,429	264,737	152,758
Interest Expense, Operating and Nonoperating [Abstract]
Interest Expense, Debt	403,473	375,295	373,480
Public Utilities, Allowance for Funds Used During Construction, Additions	12,290	14,996	11,550
Interest Expense, Nonoperating	391,183	360,299	361,930
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	1,116,180	1,067,589	693,017
Income Tax Expense (Benefit)	225,409	(205,781)	(162,853)
Net Income (Loss)	887,645	1,270,382	854,504
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	890,771	1,273,370	855,870
Net Income (Loss) Attributable to Noncontrolling Interest	3,126	2,988	1,366
Entergy Louisiana [Member] | Affiliated Entity [Member]
Revenues [Abstract]
Revenues	312,800	317,600	354,000
Operating Costs and Expenses [Abstract]
Costs and Expenses, Total	649,300	719,800	770,200
Nonoperating Income (Expense) [Abstract]
Investment Income, Net	315,433	303,233	185,826
Entergy Louisiana [Member] | Nonrelated Party [Member]
Nonoperating Income (Expense) [Abstract]
Investment Income, Net	146,494	90,316	(69,144)
Entergy Louisiana [Member] | Electricity, US Regulated [Member]
Revenues [Abstract]
Revenues	5,068,158	5,073,239	6,246,933
Entergy Louisiana [Member] | Natural Gas, US Regulated [Member]
Revenues [Abstract]
Revenues	75,860	74,531	91,835
Entergy Mississippi [Member]
Revenues [Abstract]
Revenues	1,764,593	1,802,533	1,624,234
Operating Costs and Expenses [Abstract]
Utilities Operating Expense, Fuel Used	270,015	563,296	252,760
Utilities Operating Expense, Purchased Power	273,580	281,761	322,674
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	315,651	320,192	314,902
Taxes, Other	166,195	150,921	137,541
Cost, Depreciation and Amortization	270,483	262,624	246,063
Other Regulatory Charges (Credits) - Net	36,723	(111,376)	38,017
Costs and Expenses, Total	1,332,647	1,467,418	1,311,957
Operating Income (Loss), Total	431,946	335,115	312,277
Nonoperating Income (Expense) [Abstract]
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity	9,095	8,552	6,125
Investment Income, Net	3,249	2,275	508
Other Nonoperating Income (Expense)	(11,157)	(13,231)	(3,619)
Nonoperating Income (Expense), Total	1,187	(2,404)	3,014
Interest Expense, Operating and Nonoperating [Abstract]
Interest Expense, Debt	110,931	99,857	86,960
Public Utilities, Allowance for Funds Used During Construction, Additions	3,520	3,479	2,800
Interest Expense, Nonoperating	107,411	96,378	84,160
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	325,722	236,333	231,131
Income Tax Expense (Benefit)	80,315	54,364	54,864
Net Income (Loss)	255,958	192,271	197,622
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	245,407	181,969	176,267
Net Income (Loss) Attributable to Noncontrolling Interest	(10,551)	(10,302)	(21,355)
Entergy Mississippi [Member] | Affiliated Entity [Member]
Revenues [Abstract]
Revenues	1,000	1,000	1,000
Operating Costs and Expenses [Abstract]
Costs and Expenses, Total	339,600	345,200	356,100
Nonoperating Income (Expense) [Abstract]
Investment Income, Net	400	200	100
Entergy Mississippi [Member] | Electricity, US Regulated [Member]
Revenues [Abstract]
Revenues	1,764,593	1,802,533	1,624,234
Entergy New Orleans [Member]
Revenues [Abstract]
Revenues	810,564	843,933	997,333
Operating Costs and Expenses [Abstract]
Utilities Operating Expense, Fuel Used	99,055	122,400	244,994
Utilities Operating Expense, Purchased Power	252,863	268,478	314,283
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	172,101	167,719	156,653
Taxes, Other	60,476	62,979	63,743
Cost, Depreciation and Amortization	84,937	81,282	76,938
Other Regulatory Charges (Credits) - Net	85,136	69,211	19,596
Costs and Expenses, Total	754,568	772,069	876,207
Operating Income (Loss), Total	55,996	71,864	121,126
Nonoperating Income (Expense) [Abstract]
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity	2,118	1,470	829
Investment Income, Net	2,144	7,154	742
Other Nonoperating Income (Expense)	(115)	(4,119)	(21)
Nonoperating Income (Expense), Total	4,147	4,505	1,550
Interest Expense, Operating and Nonoperating [Abstract]
Interest Expense, Debt	42,337	38,118	34,829
Public Utilities, Allowance for Funds Used During Construction, Additions	883	714	531
Interest Expense, Nonoperating	41,454	37,404	34,298
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	18,689	38,965	88,378
Income Tax Expense (Benefit)	2,842	(189,973)	24,277
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	15,847	228,938	64,101
Entergy New Orleans [Member] | Affiliated Entity [Member]
Revenues [Abstract]
Revenues	0	0	0
Operating Costs and Expenses [Abstract]
Costs and Expenses, Total	293,900	302,500	341,700
Nonoperating Income (Expense) [Abstract]
Investment Income, Net	200	1,000	100
Entergy New Orleans [Member] | Electricity, US Regulated [Member]
Revenues [Abstract]
Revenues	708,354	737,974	855,248
Entergy New Orleans [Member] | Natural Gas, US Regulated [Member]
Revenues [Abstract]
Revenues	102,210	105,959	142,085
Entergy Texas [Member]
Revenues [Abstract]
Revenues	2,050,150	2,028,586	2,288,905
Operating Costs and Expenses [Abstract]
Utilities Operating Expense, Fuel Used	482,486	403,111	443,765
Utilities Operating Expense, Purchased Power	373,036	468,511	717,501
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	340,956	323,797	312,340
Taxes, Other	101,993	117,852	101,673
Cost, Depreciation and Amortization	338,890	278,311	230,692
Other Regulatory Charges (Credits) - Net	(13,884)	7,324	49,175
Costs and Expenses, Total	1,623,477	1,598,906	1,855,146
Operating Income (Loss), Total	426,673	429,680	433,759
Nonoperating Income (Expense) [Abstract]
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity	47,833	28,193	13,527
Investment Income, Net	15,107	11,116	4,141
Other Nonoperating Income (Expense)	(11,113)	(10,411)	(6,572)
Nonoperating Income (Expense), Total	51,827	28,898	11,096
Interest Expense, Operating and Nonoperating [Abstract]
Interest Expense, Debt	137,820	114,978	95,454
Public Utilities, Allowance for Funds Used During Construction, Additions	18,626	10,545	4,547
Interest Expense, Nonoperating	119,194	104,433	90,907
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	359,306	354,145	353,948
Income Tax Expense (Benefit)	65,684	62,872	50,621
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	293,622	291,273	303,327
Preferred Stock Dividends, Income Statement Impact	2,072	2,072	2,072
Net Income (Loss) Available to Common Stockholders, Basic, Total	291,550	289,201	301,255
Entergy Texas [Member] | Affiliated Entity [Member]
Revenues [Abstract]
Revenues	0	700	18,900
Operating Costs and Expenses [Abstract]
Costs and Expenses, Total	319,400	316,800	321,400
Nonoperating Income (Expense) [Abstract]
Investment Income, Net	2,700	1,800	300
Entergy Texas [Member] | Electricity, US Regulated [Member]
Revenues [Abstract]
Revenues	2,050,150	2,028,586	2,288,905
System Energy [Member]
Revenues [Abstract]
Revenues	585,049	586,603	658,812
Operating Costs and Expenses [Abstract]
Utilities Operating Expense, Fuel Used	62,433	71,762	50,216
Nuclear Refueling Outage Expenses	19,158	26,745	24,482
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	192,300	207,765	226,557
Accretion Expense, Including Asset Retirement Obligations	43,478	41,773	40,235
Taxes, Other	27,260	29,224	29,428
Cost, Depreciation and Amortization	121,386	90,858	111,889
Other Regulatory Charges (Credits) - Net	(2,799)	(57,429)	503,162
Costs and Expenses, Total	463,216	410,698	985,969
Operating Income (Loss), Total	121,833	175,905	(327,157)
Nonoperating Income (Expense) [Abstract]
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity	7,647	7,531	8,312
Investment Income, Net	47,953	13,131	5,096
Other Nonoperating Income (Expense)	672	(9,101)	(19,616)
Nonoperating Income (Expense), Total	56,272	11,561	(6,208)
Interest Expense, Operating and Nonoperating [Abstract]
Interest Expense, Debt	48,121	48,416	37,381
Public Utilities, Allowance for Funds Used During Construction, Additions	3,019	1,754	1,325
Interest Expense, Nonoperating	45,102	46,662	36,056
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	133,003	140,804	(369,421)
Income Tax Expense (Benefit)	29,503	32,032	(92,828)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	103,500	108,772	(276,593)
System Energy [Member] | Affiliated Entity [Member]
Revenues [Abstract]
Revenues	583,300	588,400	658,800
Operating Costs and Expenses [Abstract]
Costs and Expenses, Total	166,600	179,000	215,000
Nonoperating Income (Expense) [Abstract]
Investment Income, Net	$ 800	$ 600	$ 300