Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,846,026	$ 3,395,196	$ 5,827,085	$ 6,273,122
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	583,717	651,946	1,482,100	1,318,885
Utilities Operating Expense, Purchased Power	206,536	570,627	444,823	840,251
Nuclear refueling outage expenses	34,785	36,917	72,018	79,918
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	659,894	777,715	1,291,421	1,456,529
Asset Impairment Charges	0	(164,066)	0	(163,321)
Decommissioning	51,152	62,859	101,644	124,907
Taxes, Other	183,578	172,244	369,015	352,392
Other Depreciation and Amortization	468,938	444,759	922,855	883,731
Other regulatory charges (credits) - net	(98,501)	761,063	(74,827)	732,638
Costs and Expenses	2,090,099	3,314,064	4,609,049	5,625,930
OPERATING INCOME	755,927	81,132	1,218,036	647,192
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	24,867	13,568	48,013	29,440
Investment Income, Net	45,428	(99,049)	93,687	(120,968)
Miscellaneous - net	(48,544)	35,578	(102,997)	43,182
TOTAL	21,751	(49,903)	38,703	(48,346)
INTEREST EXPENSE
Interest Expense, Debt	261,349	231,613	516,678	459,235
Allowance for borrowed funds used during construction	(10,481)	(4,752)	(20,072)	(10,848)
TOTAL	250,868	226,861	496,606	448,387
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	526,810	(195,632)	760,133	150,459
Income taxes	134,796	(359,643)	55,821	(293,145)
Consolidated net income	392,014	164,011	704,312	443,604
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	$ 770	$ 4,308	$ 2,133	$ 7,501
Earnings per average common share:
Basic (in dollars per share)	$ 1.85	$ 0.79	$ 3.32	$ 2.15
Diluted (in dollars per share)	$ 1.84	$ 0.78	$ 3.31	$ 2.13
Basic average number of common shares outstanding (in shares)	211,449,211	203,383,199	211,400,230	203,164,628
Diluted average number of common shares outstanding (in shares)	212,201,529	204,712,242	212,173,254	204,291,597
Net Income (Loss) Available to Common Stockholders, Basic	$ 391,244	$ 159,703	$ 702,179	$ 436,103
Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	2,785,244	3,258,255	5,668,654	5,914,031
Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	33,503	48,008	98,084	120,369
Competitive Businesses [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	27,279	88,933	60,347	238,722
Entergy Mississippi [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	445,130	405,459	857,558	754,488
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	140,530	43,671	301,815	110,948
Utilities Operating Expense, Purchased Power	59,140	89,346	122,954	150,558
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	68,600	74,898	138,418	140,709
Taxes, Other	35,301	32,484	71,035	65,214
Other Depreciation and Amortization	65,346	60,618	129,375	120,702
Other regulatory charges (credits) - net	(25,947)	23,853	(58,790)	27,760
Costs and Expenses	342,970	324,870	704,807	615,891
OPERATING INCOME	102,160	80,589	152,751	138,597
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	2,169	1,495	4,053	2,573
Investment Income, Net	1,319	34	1,783	98
Miscellaneous - net	(3,438)	990	(5,521)	(164)
TOTAL	50	2,519	315	2,507
INTEREST EXPENSE
Interest Expense, Debt	25,433	21,003	49,377	41,437
Allowance for borrowed funds used during construction	(902)	(658)	(1,685)	(1,123)
TOTAL	24,531	20,345	47,692	40,314
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	77,679	62,763	105,374	100,790
Income taxes	19,414	13,808	26,169	21,481
Consolidated net income	58,265	48,955	79,205	79,309
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	(3,623)	0	(5,764)	0
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	61,888	48,955	84,969	79,309
Entergy Mississippi [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	445,130	405,459	857,558	754,488
Entergy Mississippi [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Entergy Arkansas [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	616,347	696,939	1,199,096	1,255,895
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	102,350	202,795	215,859	289,020
Utilities Operating Expense, Purchased Power	57,648	50,209	122,399	107,680
Nuclear refueling outage expenses	15,504	14,210	30,845	28,280
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	178,044	187,319	334,863	344,576
Decommissioning	21,667	20,428	43,017	40,557
Taxes, Other	34,743	32,072	67,094	65,274
Other Depreciation and Amortization	99,707	96,548	196,148	192,158
Other regulatory charges (credits) - net	(19,185)	(21,518)	(40,029)	(42,060)
Costs and Expenses	490,478	582,063	970,196	1,025,485
OPERATING INCOME	125,869	114,876	228,900	230,410
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	5,400	3,920	10,243	6,975
Investment Income, Net	5,727	2,840	13,206	9,160
Miscellaneous - net	(6,239)	(4,892)	(8,340)	(10,284)
TOTAL	4,888	1,868	15,109	5,851
INTEREST EXPENSE
Interest Expense, Debt	46,038	37,452	91,405	73,499
Allowance for borrowed funds used during construction	(2,169)	(1,558)	(4,114)	(2,772)
TOTAL	43,869	35,894	87,291	70,727
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	86,888	80,850	156,718	165,534
Income taxes	19,940	17,740	30,374	36,857
Consolidated net income	66,948	63,110	126,344	128,677
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	(1,006)	(529)	(2,635)	(1,916)
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	67,954	63,639	128,979	130,593
Entergy Arkansas [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	616,347	696,939	1,199,096	1,255,895
Entergy Arkansas [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Entergy Louisiana [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	1,205,612	1,515,785	2,550,820	2,781,757
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	230,365	253,505	605,635	615,579
Utilities Operating Expense, Purchased Power	133,376	420,549	328,310	596,746
Nuclear refueling outage expenses	12,588	10,029	27,861	21,976
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	249,717	293,746	496,088	547,747
Decommissioning	18,820	17,911	37,406	35,599
Taxes, Other	61,663	58,566	125,618	120,181
Other Depreciation and Amortization	181,247	171,719	357,342	340,802
Other regulatory charges (credits) - net	(24,767)	203,461	49,229	182,564
Costs and Expenses	863,009	1,429,486	2,027,489	2,461,194
OPERATING INCOME	342,603	86,299	523,331	320,563
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	8,654	2,859	17,715	9,585
Investment Income, Net	31,880	(68,382)	60,723	(84,380)
Miscellaneous - net	(42,583)	36,986	(90,668)	52,503
TOTAL	79,828	14,666	125,073	52,809
INTEREST EXPENSE
Interest Expense, Debt	94,931	92,755	192,102	186,539
Allowance for borrowed funds used during construction	(4,321)	(1,218)	(8,714)	(4,244)
TOTAL	90,610	91,537	183,388	182,295
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	331,821	9,428	465,016	191,077
Income taxes	68,561	(307,231)	(42,268)	(276,442)
Consolidated net income	263,260	316,659	507,284	467,519
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	819	258	1,373	258
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	262,441	316,401	505,911	467,261
Entergy Louisiana [Member] | Affiliated Entity
OTHER INCOME (DEDUCTIONS)
Investment Income, Net	81,877	43,203	137,303	75,101
Entergy Louisiana [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	1,191,909	1,497,942	2,511,661	2,735,179
Entergy Louisiana [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	13,703	17,843	39,159	46,578
Entergy New Orleans [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	188,016	254,249	396,836	452,521
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	18,974	54,815	70,998	98,212
Utilities Operating Expense, Purchased Power	65,929	83,088	132,549	139,558
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	38,961	43,715	72,188	77,367
Taxes, Other	14,480	14,444	30,904	28,433
Other Depreciation and Amortization	20,064	17,951	39,639	37,766
Other regulatory charges (credits) - net	2,288	5,354	1,187	9,539
Costs and Expenses	160,696	219,367	347,465	390,875
OPERATING INCOME	27,320	34,882	49,371	61,646
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	280	(449)	730	(80)
Investment Income, Net	2,400	68	4,451	92
Miscellaneous - net	(517)	1,221	(744)	950
TOTAL	2,163	840	4,437	962
INTEREST EXPENSE
Interest Expense, Debt	10,003	8,698	19,622	17,392
Allowance for borrowed funds used during construction	(136)	159	(355)	(40)
TOTAL	9,867	8,857	19,267	17,352
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	19,616	26,865	34,541	45,256
Income taxes	5,759	7,319	10,542	10,584
Consolidated net income	13,857	19,546	23,999	34,672
Entergy New Orleans [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	168,216	224,084	337,911	378,730
Entergy New Orleans [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	19,800	30,165	58,925	73,791
Entergy Texas [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	464,430	564,591	971,936	1,037,073
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	63,526	60,855	231,056	134,775
Utilities Operating Expense, Purchased Power	112,883	195,016	220,641	356,106
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	63,071	72,589	127,501	147,566
Taxes, Other	28,717	23,482	56,713	43,931
Other Depreciation and Amortization	66,009	57,248	125,400	113,309
Other regulatory charges (credits) - net	1,526	22,399	12,450	35,845
Costs and Expenses	335,732	431,589	773,761	831,532
OPERATING INCOME	128,698	133,002	198,175	205,541
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	6,760	3,163	11,849	5,759
Investment Income, Net	846	347	2,263	535
Miscellaneous - net	(1,941)	(409)	(1,502)	(102)
TOTAL	5,665	3,101	12,610	6,192
INTEREST EXPENSE
Interest Expense, Debt	26,847	23,101	53,809	44,013
Allowance for borrowed funds used during construction	(2,517)	(1,067)	(4,413)	(1,932)
TOTAL	24,330	22,034	49,396	42,081
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	110,033	114,069	161,389	169,652
Income taxes	21,576	16,584	31,259	21,764
Consolidated net income	88,457	97,485	130,130	147,888
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders	518	518	1,036	1,036
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	87,939	96,967	129,094	146,852
Entergy Texas [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	464,430	564,591	971,936	1,037,073
Entergy Texas [Member] | Natural Gas, US Regulated [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
System Energy [Member]
Operation and Maintenance:
Fuel, fuel-related expenses, and gas purchased for resale	18,783	11,610	37,630	19,533
Nuclear refueling outage expenses	6,692	5,320	13,311	11,247
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses	46,986	54,685	97,186	98,589
Decommissioning	10,391	10,016	20,678	19,933
Taxes, Other	7,728	7,150	15,010	15,001
Other Depreciation and Amortization	35,303	37,777	72,440	67,700
Other regulatory charges (credits) - net	(32,415)	527,515	(38,874)	518,991
Costs and Expenses	93,468	654,073	217,381	750,994
OPERATING INCOME	44,916	(490,201)	92,575	(445,746)
OTHER INCOME (DEDUCTIONS)
Allowance for equity funds used during construction	1,605	2,581	3,423	4,628
Investment Income, Net	1,638	(8,959)	7,402	(3,727)
Miscellaneous - net	(1,613)	(2,741)	(10,691)	(4,380)
TOTAL	1,630	(9,119)	134	(3,479)
INTEREST EXPENSE
Interest Expense, Debt	13,635	9,112	24,126	18,593
Allowance for borrowed funds used during construction	(436)	(409)	(791)	(736)
TOTAL	13,199	8,703	23,335	17,857
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	33,347	(508,023)	69,374	(467,082)
Income taxes	7,588	(127,875)	16,070	(118,366)
Consolidated net income	25,759	(380,148)	53,304	(348,716)
Earnings per average common share:
Net Income (Loss) Available to Common Stockholders, Basic	25,759	(380,148)	53,304	(348,716)
System Energy [Member] | Electricity [Member]
REVENUES
Revenue from Contract with Customer, Excluding Assessed Tax	$ 138,384	$ 163,872	$ 309,956	$ 305,248