Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	$ 4,218,615	$ 3,353,532	$ 10,491,737	$ 9,020,440
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	1,366,811	737,785	2,685,694	1,865,016
Nuclear refueling outage expenses	39,707	43,309	119,625	130,747
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	793,145	700,595	2,249,674	2,188,498
Asset Impairment Charges	(143)	(139)	(163,464)	345,226
Decommissioning	49,263	60,364	174,171	245,205
Taxes, Other	190,056	182,347	542,448	494,960
Other Depreciation and Amortization	453,288	421,745	1,337,019	1,257,809
Other regulatory charges (credits) - net	(43,283)	68,324	689,355	45,464
Costs and Expenses	3,263,910	2,525,662	8,889,840	7,516,363
OPERATING INCOME	954,705	827,870	1,601,897	1,504,077
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	20,245	17,180	49,685	48,629
Investment Income, Net	2,966	75,112	(118,002)	289,757
Miscellaneous - net	(10,462)	(16,797)	32,720	(140,571)
TOTAL	12,749	75,495	(35,597)	197,815
INTEREST EXPENSE
Interest Expense, Debt	235,322	216,612	694,558	642,839
Allowance for borrowed funds used during construction	(7,862)	(7,112)	(18,710)	(20,088)
TOTAL	227,460	209,500	675,848	622,751
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	739,994	693,865	890,452	1,079,141
Income taxes	184,112	158,282	(109,034)	205,808
Consolidated net income	555,882	535,583	999,486	873,333
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	$ (4,707)	$ 4,580	$ 2,794	$ 13,739
Earnings per average common share:
Basic (in dollars per share)	$ 2.76	$ 2.64	$ 4.90	$ 4.28
Diluted (in dollars per share)	$ 2.74	$ 2.63	$ 4.88	$ 4.26
Basic average number of common shares outstanding (in shares)	203,445,773	200,963,049	203,259,373	200,756,267
Diluted average number of common shares outstanding (in shares)	204,578,013	202,003,329	204,357,916	201,568,508
Net Income (Loss) Available to Common Stockholders, Basic	$ 560,589	$ 531,003	$ 996,692	$ 859,594
Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	4,110,058	3,159,969	10,024,089	8,339,764
Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	46,548	31,254	166,917	121,420
Competitive Businesses [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	62,009	162,309	300,731	559,256
Electricity, Purchased [Member]
Operation and Maintenance:
Cost of Goods and Services Sold	415,066	311,332	1,255,318	943,438
Entergy Mississippi [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	459,132	420,319	1,213,620	1,105,978
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	86,145	54,505	197,093	180,315
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	82,698	72,523	223,407	214,253
Taxes, Other	37,045	25,911	102,259	78,886
Other Depreciation and Amortization	61,921	57,130	182,623	168,324
Other regulatory charges (credits) - net	(11,470)	25,810	16,290	12,309
Costs and Expenses	340,992	321,126	956,883	871,817
OPERATING INCOME	118,140	99,193	256,737	234,161
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	1,606	2,006	4,179	5,703
Investment Income, Net	136	1	234	50
Miscellaneous - net	181	(1,844)	17	(6,362)
TOTAL	1,923	163	4,430	(609)
INTEREST EXPENSE
Interest Expense, Debt	22,473	19,024	63,910	55,559
Allowance for borrowed funds used during construction	(753)	(849)	(1,876)	(2,378)
TOTAL	21,720	18,175	62,034	53,181
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	98,343	81,181	199,133	180,371
Income taxes	23,454	18,586	44,935	40,388
Consolidated net income	74,889	62,595	154,198	139,983
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	(9,117)	0	(9,117)	0
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	84,006	62,595	163,315	139,983
Entergy Mississippi [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	459,132	420,319	1,213,620	1,105,978
Entergy Mississippi [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Entergy Mississippi [Member] | Electricity, Purchased [Member]
Operation and Maintenance:
Cost of Goods and Services Sold	84,653	85,247	235,211	217,730
Entergy Arkansas [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	864,502	722,683	2,120,397	1,856,343
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	210,099	94,580	499,119	295,317
Nuclear refueling outage expenses	14,259	13,207	42,539	39,389
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	204,199	175,236	548,775	503,242
Decommissioning	20,731	19,567	61,288	57,847
Taxes, Other	39,545	36,892	104,819	96,741
Other Depreciation and Amortization	96,746	90,887	288,904	269,442
Other regulatory charges (credits) - net	(27,054)	31,988	(69,114)	(27,649)
Costs and Expenses	633,466	536,936	1,658,951	1,440,577
OPERATING INCOME	231,036	185,747	461,446	415,766
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	4,811	4,113	11,786	10,714
Investment Income, Net	4,284	53,661	13,444	78,809
Miscellaneous - net	(6,356)	(4,805)	(16,640)	(15,968)
TOTAL	2,739	52,969	8,590	73,555
INTEREST EXPENSE
Interest Expense, Debt	38,123	35,452	111,622	104,862
Allowance for borrowed funds used during construction	(1,912)	(1,793)	(4,684)	(4,655)
TOTAL	36,211	33,659	106,938	100,207
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	197,564	205,057	363,098	389,114
Income taxes	48,217	50,166	85,074	84,593
Consolidated net income	149,347	154,891	278,024	304,521
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	(724)	0	(2,640)	0
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	150,071	154,891	280,664	304,521
Entergy Arkansas [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	864,502	722,683	2,120,397	1,856,343
Entergy Arkansas [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Entergy Arkansas [Member] | Electricity, Purchased [Member]
Operation and Maintenance:
Cost of Goods and Services Sold	74,941	74,579	182,621	206,248
Entergy Louisiana [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	2,020,798	1,420,708	4,802,555	3,795,950
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	833,885	421,464	1,449,464	922,060
Nuclear refueling outage expenses	18,966	11,932	40,942	37,407
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	298,710	239,132	846,457	752,214
Decommissioning	18,137	17,250	53,736	51,108
Taxes, Other	60,346	63,428	180,527	167,880
Other Depreciation and Amortization	176,403	165,469	517,205	489,343
Other regulatory charges (credits) - net	(9,959)	(1,920)	172,605	7,560
Costs and Expenses	1,648,070	1,093,228	4,109,264	3,000,602
OPERATING INCOME	372,728	327,480	693,291	795,348
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	8,280	7,247	17,865	20,183
Investment Income, Net	(8,861)	7,327	(93,241)	75,502
Investments in and Advances to Affiliates, Dividends or Interest	55,363	31,898	130,464	95,695
Miscellaneous - net	6,835	(8,924)	59,338	(79,595)
TOTAL	61,617	37,548	114,426	111,785
INTEREST EXPENSE
Interest Expense, Debt	92,020	87,295	278,559	260,731
Allowance for borrowed funds used during construction	(3,518)	(3,278)	(7,762)	(9,105)
TOTAL	88,502	84,017	270,797	251,626
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	345,843	281,011	536,920	655,507
Income taxes	71,453	56,536	(204,989)	120,479
Consolidated net income	274,390	224,475	741,909	535,028
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	554	0	812	0
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	273,836	224,475	741,097	535,028
Entergy Louisiana [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	2,003,009	1,407,737	4,738,188	3,741,979
Entergy Louisiana [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	17,789	12,971	64,367	53,971
Entergy Louisiana [Member] | Electricity, Purchased [Member]
Operation and Maintenance:
Cost of Goods and Services Sold	251,582	176,473	848,328	573,030
Entergy New Orleans [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	291,663	211,229	744,184	559,304
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	81,847	34,940	180,059	88,462
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	38,806	34,483	116,173	113,638
Taxes, Other	12,920	15,530	41,353	40,380
Other Depreciation and Amortization	19,556	18,444	57,322	54,758
Other regulatory charges (credits) - net	5,452	4,126	14,991	9,831
Costs and Expenses	246,684	182,883	637,559	508,276
OPERATING INCOME	44,979	28,346	106,625	51,028
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	396	433	316	1,067
Investment Income, Net	215	18	307	32
Miscellaneous - net	(184)	(205)	766	(711)
TOTAL	427	246	1,389	388
INTEREST EXPENSE
Interest Expense, Debt	8,683	7,158	26,075	21,149
Allowance for borrowed funds used during construction	(215)	(192)	(255)	(475)
TOTAL	8,468	6,966	25,820	20,674
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	36,938	21,626	82,194	30,742
Income taxes	10,023	5,631	20,607	8,345
Consolidated net income	26,915	15,995	61,587	22,397
Entergy New Orleans [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	262,904	192,946	641,634	491,855
Entergy New Orleans [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	28,759	18,283	102,550	67,449
Entergy New Orleans [Member] | Electricity, Purchased [Member]
Operation and Maintenance:
Cost of Goods and Services Sold	88,103	75,360	227,661	201,207
Entergy Texas [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	659,556	541,632	1,696,629	1,452,286
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	113,154	92,843	247,929	269,270
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	83,014	68,973	230,580	202,743
Taxes, Other	29,886	30,479	73,817	73,025
Other Depreciation and Amortization	58,472	54,711	171,781	159,234
Other regulatory charges (credits) - net	8,072	10,029	43,917	51,122
Costs and Expenses	501,301	412,758	1,332,833	1,181,178
OPERATING INCOME	158,255	128,874	363,796	271,108
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	3,616	1,836	9,375	6,951
Investment Income, Net	1,062	204	1,597	632
Miscellaneous - net	(1,655)	(507)	(1,757)	(1,457)
TOTAL	3,023	1,533	9,215	6,126
INTEREST EXPENSE
Interest Expense, Debt	24,613	21,220	68,626	66,157
Allowance for borrowed funds used during construction	(1,218)	(738)	(3,150)	(2,797)
TOTAL	23,395	20,482	65,476	63,360
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	137,883	109,925	307,535	213,874
Income taxes	19,881	15,084	41,645	24,185
Consolidated net income	118,002	94,841	265,890	189,689
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	518	470	1,554	1,411
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	117,484	94,371	264,336	188,278
Entergy Texas [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	659,556	541,632	1,696,629	1,452,286
Entergy Texas [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Entergy Texas [Member] | Electricity, Purchased [Member]
Operation and Maintenance:
Cost of Goods and Services Sold	208,703	155,723	564,809	425,784
System Energy [Member]
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	12,125	15,279	31,658	46,211
Nuclear refueling outage expenses	6,483	6,867	17,730	20,377
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	69,719	54,709	168,308	154,716
Decommissioning	10,117	9,721	30,050	28,875
Taxes, Other	7,430	7,268	22,431	21,061
Other Depreciation and Amortization	38,742	25,991	106,442	79,953
Other regulatory charges (credits) - net	(8,324)	(1,707)	510,667	(7,707)
Costs and Expenses	136,292	118,128	887,286	343,486
OPERATING INCOME	43,508	36,191	(402,238)	89,892
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	1,536	1,546	6,164	4,012
Investment Income, Net	3,669	11,839	(58)	36,871
Miscellaneous - net	(9,028)	(4,372)	(13,408)	(14,282)
TOTAL	(3,823)	9,013	(7,302)	26,601
INTEREST EXPENSE
Interest Expense, Debt	9,189	9,513	27,782	28,627
Allowance for borrowed funds used during construction	(246)	(261)	(982)	(678)
TOTAL	8,943	9,252	26,800	27,949
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	30,742	35,952	(436,340)	88,544
Income taxes	3,385	8,453	(114,981)	6,851
Consolidated net income	27,357	27,499	(321,359)	81,693
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	27,357	27,499	(321,359)	81,693
System Energy [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	$ 179,800	$ 154,319	$ 485,048	$ 433,378