Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Cash and cash equivalents:
Cash	$ 67,721	$ 115,290
Temporary cash investments	1,126,621	108,874
Total cash and cash equivalents	1,194,342	224,164
Accounts receivable:
Customer	646,767	788,552
Allowance for doubtful accounts	(21,840)	(30,856)
Other	213,773	241,702
Accrued unbilled revenues	591,298	495,859
Total accounts receivable	1,429,998	1,495,257
Deferred Fuel Cost	182,387	710,401
Fuel inventory - at average cost	191,125	147,632
Public Utilities, Inventory	1,307,737	1,183,308
Deferred nuclear refueling outage costs	163,187	143,653
Prepaid Expense and Other Assets	223,838	190,611
TOTAL	4,692,614	4,095,026
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	4,560,006	4,121,864
Non-utility property - at cost (less accumulated depreciation)	416,431	366,405
Storm Reserve Escrow Account	411,035	401,955
Other	99,851	102,259
TOTAL	5,487,323	4,992,483
PROPERTY, PLANT, AND EQUIPMENT
Electric	65,268,344	64,646,911
Natural gas	705,566	691,970
Construction work in progress	2,190,958	1,844,171
Nuclear fuel	596,045	582,119
TOTAL PROPERTY, PLANT, AND EQUIPMENT	68,760,913	67,765,171
Less - accumulated depreciation and amortization	25,902,180	25,288,047
PROPERTY, PLANT, AND EQUIPMENT - NET	42,858,733	42,477,124
Regulatory assets:
Regulatory Assets, Noncurrent	5,645,209	6,036,397
Deferred Fuel Cost Non Current	241,085	241,085
Goodwill	377,172	377,172
Deferred Income Tax Assets, Net	69,912	84,100
Other	345,188	291,804
Deferred Costs and Other Assets	6,678,566	7,030,558
TOTAL ASSETS	59,717,236	58,595,191
CURRENT LIABILITIES
Currently maturing long-term debt	1,849,046	2,309,037
Short-term borrowings	1,108,386	827,621
Accounts payable	1,523,747	1,777,590
Contract with Customer, Liability, Current	434,462	424,723
Taxes Payable, Current	399,011	424,091
Interest accrued	202,071	195,264
Deferred fuel costs	35,596	0
Pension and other postretirement liabilities	89,074	104,845
Sale-leaseback/depreciation regulatory liability	0	103,497
Other	239,889	202,779
TOTAL	5,881,282	6,369,447
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	4,871,117	4,818,837
Accumulated deferred investment tax credits	206,966	211,220
Regulatory liability for income taxes - net	1,225,578	1,258,276
Other regulatory liabilities	2,768,843	2,324,590
Decommissioning and asset retirement cost liabilities	4,383,482	4,271,531
Loss Contingency Accrual	514,637	531,201
Pension and other postretirement liabilities	1,100,947	1,213,555
Long-term debt	24,321,681	23,623,512
Deferred Credits and Other Liabilities	855,748	688,720
TOTAL	40,248,999	38,941,442
Subsidiaries' preferred stock without sinking fund	219,410	219,410
Proceeds from Issuance of Preferred Stock and Preference Stock	0	0
Common Shareholders' Equity:
Common Stock, Value, Issued	2,797	2,797
Additional Paid in Capital, Common Stock	7,634,305	7,632,895
Accumulated other comprehensive loss	(193,019)	(191,754)
Less - treasury stock, at cost	4,958,795	4,978,994
TOTAL	13,237,066	12,966,985
Stockholders' Equity Attributable to Noncontrolling Interest	130,479	97,907
Retained Earnings (Accumulated Deficit)	10,751,778	10,502,041
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	13,367,545	13,064,892
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	59,717,236	58,595,191
Entergy Arkansas [Member]
Cash and cash equivalents:
Cash	352	1,911
Temporary cash investments	3,861	3,367
Total cash and cash equivalents	4,213	5,278
Accounts receivable:
Customer	138,675	140,513
Allowance for doubtful accounts	(5,236)	(6,528)
Other	69,155	101,096
Accrued unbilled revenues	135,114	116,816
Total accounts receivable	375,789	397,233
Deferred Fuel Cost	16,475	139,739
Fuel inventory - at average cost	57,974	51,144
Public Utilities, Inventory	318,400	288,260
Deferred nuclear refueling outage costs	65,057	56,443
Prepaid Expense and Other Assets	50,866	26,576
TOTAL	888,774	964,673
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,326,627	1,199,860
Other	2,306	2,414
TOTAL	1,328,933	1,202,274
PROPERTY, PLANT, AND EQUIPMENT
Electric	14,475,635	14,077,844
Construction work in progress	476,253	417,244
Nuclear fuel	177,770	176,174
TOTAL PROPERTY, PLANT, AND EQUIPMENT	15,129,658	14,671,262
Less - accumulated depreciation and amortization	5,879,574	5,729,304
PROPERTY, PLANT, AND EQUIPMENT - NET	9,250,084	8,941,958
Regulatory assets:
Regulatory Assets, Noncurrent	1,862,241	1,810,281
Deferred Fuel Cost Non Current	68,883	68,883
Other	23,784	18,507
Deferred Costs and Other Assets	1,954,908	1,897,671
TOTAL ASSETS	13,422,699	13,006,576
CURRENT LIABILITIES
Currently maturing long-term debt	415,000	290,000
Accounts Payable	212,328	276,362
Accounts payable	307,962	310,339
Contract with Customer, Liability, Current	106,383	102,799
Taxes Payable, Current	96,211	100,526
Interest accrued	29,237	18,816
Other	64,726	43,394
TOTAL	1,231,847	1,142,236
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	1,539,103	1,498,234
Accumulated deferred investment tax credits	27,871	28,472
Regulatory liability for income taxes - net	424,591	435,157
Other regulatory liabilities	583,673	475,758
Decommissioning and asset retirement cost liabilities	1,515,753	1,472,736
Loss Contingency Accrual	53,392	79,998
Pension and other postretirement liabilities	99,010	118,020
Long-term debt	4,023,803	3,876,500
Deferred Credits and Other Liabilities	104,713	97,650
TOTAL	8,371,909	8,082,525
Common Shareholders' Equity:
Members' Equity	3,793,970	3,753,990
Members' Equity Attributable to Noncontrolling Interest	24,973	27,825
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,818,943	3,781,815
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	13,422,699	13,006,576
Entergy Arkansas [Member] | Affiliated Entity
Accounts receivable:
Customer	38,081	45,336
Entergy Louisiana [Member]
Cash and cash equivalents:
Cash	260	50,318
Temporary cash investments	856,766	6,295
Total cash and cash equivalents	857,026	56,613
Accounts receivable:
Customer	246,351	339,291
Allowance for doubtful accounts	(4,871)	(7,595)
Other	51,940	53,241
Accrued unbilled revenues	238,146	199,077
Total accounts receivable	880,662	672,910
Deferred Fuel Cost	0	159,183
Fuel inventory - at average cost	56,766	41,859
Public Utilities, Inventory	620,627	555,860
Deferred nuclear refueling outage costs	78,449	53,833
Prepaid Expense and Other Assets	208,093	76,646
TOTAL	2,701,623	1,616,904
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,973,128	1,779,090
Non-utility property - at cost (less accumulated depreciation)	401,134	350,723
Storm Reserve Escrow Account	300,008	293,406
Other	14,270	19,679
TOTAL	7,263,145	5,606,470
PROPERTY, PLANT, AND EQUIPMENT
Electric	27,191,346	27,498,136
Natural gas	308,598	301,719
Construction work in progress	689,520	736,969
Nuclear fuel	272,045	212,941
TOTAL PROPERTY, PLANT, AND EQUIPMENT	28,461,509	28,749,765
Less - accumulated depreciation and amortization	10,261,350	10,087,942
PROPERTY, PLANT, AND EQUIPMENT - NET	18,200,159	18,661,823
Regulatory assets:
Regulatory Assets, Noncurrent	1,608,035	2,056,179
Deferred Fuel Cost Non Current	168,122	168,122
Other	39,389	35,057
Deferred Costs and Other Assets	1,815,546	2,259,358
TOTAL ASSETS	29,980,473	28,144,555
CURRENT LIABILITIES
Currently maturing long-term debt	1,010,000	1,010,000
Accounts Payable	90,509	356,688
Accounts payable	452,457	589,355
Contract with Customer, Liability, Current	165,813	161,666
Taxes Payable, Current	84,019	36,004
Interest accrued	95,940	101,336
Deferred fuel costs	29,618	0
Other	99,325	72,525
TOTAL	2,027,681	2,327,574
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	2,368,751	2,374,878
Accumulated deferred investment tax credits	95,555	97,868
Regulatory liability for income taxes - net	328,105	337,836
Other regulatory liabilities	1,265,439	1,037,962
Decommissioning and asset retirement cost liabilities	1,780,412	1,736,801
Loss Contingency Accrual	320,223	316,314
Pension and other postretirement liabilities	377,536	389,631
Long-term debt	9,677,807	9,688,922
Deferred Credits and Other Liabilities	429,271	343,321
TOTAL	16,643,099	16,323,533
Common Shareholders' Equity:
Accumulated other comprehensive loss	52,811	55,370
Members' Equity	11,209,667	9,406,343
Members' Equity Attributable to Noncontrolling Interest	47,215	31,735
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	11,309,693	9,493,448
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	29,980,473	28,144,555
Entergy Louisiana [Member] | Affiliated Entity
Accounts receivable:
Customer	349,096	88,896
Investments in and Advances to Affiliates, at Fair Value	4,574,605	3,163,572
Entergy Mississippi [Member]
Cash and cash equivalents:
Cash	26	26
Temporary cash investments	8,427	16,953
Total cash and cash equivalents	8,453	16,979
Accounts receivable:
Customer	112,206	99,504
Allowance for doubtful accounts	(2,371)	(2,472)
Other	17,369	34,564
Accrued unbilled revenues	87,090	73,473
Total accounts receivable	222,018	242,742
Deferred Fuel Cost	0	143,211
Fuel inventory - at average cost	21,467	15,548
Public Utilities, Inventory	95,976	84,346
Prepaid Expense and Other Assets	13,735	9,603
TOTAL	361,649	512,429
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	4,504	4,512
Storm Reserve Escrow Account	34,304	33,549
Other	841	910
TOTAL	39,649	38,971
PROPERTY, PLANT, AND EQUIPMENT
Electric	7,288,046	7,079,849
Construction work in progress	236,022	170,191
TOTAL PROPERTY, PLANT, AND EQUIPMENT	7,524,068	7,250,040
Less - accumulated depreciation and amortization	2,351,620	2,264,786
PROPERTY, PLANT, AND EQUIPMENT - NET	5,172,448	4,985,254
Regulatory assets:
Regulatory Assets, Noncurrent	559,306	519,460
Other	26,680	22,650
Deferred Costs and Other Assets	585,986	542,110
TOTAL ASSETS	6,159,732	6,078,764
CURRENT LIABILITIES
Currently maturing long-term debt	100,000	400,000
Accounts Payable	153,510	60,532
Accounts payable	162,222	176,162
Contract with Customer, Liability, Current	90,302	89,668
Taxes Payable, Current	79,861	124,905
Interest accrued	17,484	18,208
Deferred fuel costs	5,978	0
Other	29,338	38,908
TOTAL	638,695	908,383
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	810,639	780,030
Accumulated deferred investment tax credits	14,393	14,591
Regulatory liability for income taxes - net	196,612	202,058
Other regulatory liabilities	29,868	79,865
Decommissioning and asset retirement cost liabilities	8,010	7,797
Loss Contingency Accrual	39,240	37,509
Pension and other postretirement liabilities	15,266	23,742
Long-term debt	2,228,900	1,931,096
Deferred Credits and Other Liabilities	72,659	53,156
TOTAL	3,415,587	3,129,844
Common Shareholders' Equity:
Stockholders' Equity Attributable to Noncontrolling Interest	23,291	3,347
Members' Equity	2,082,159	2,037,190
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,105,450	2,040,537
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	6,159,732	6,078,764
Entergy Mississippi [Member] | Affiliated Entity
Accounts receivable:
Customer	7,724	37,673
Entergy New Orleans [Member]
Cash and cash equivalents:
Cash	26	27
Temporary cash investments	141,345	4,437
Total cash and cash equivalents	141,371	4,464
Securitization recovery trust account	1,680	2,235
Accounts receivable:
Customer	68,524	93,288
Allowance for doubtful accounts	(7,653)	(11,909)
Other	5,992	6,110
Accrued unbilled revenues	35,024	37,284
Total accounts receivable	149,576	274,700
Deferred Fuel Cost	5,838	10,153
Fuel inventory - at average cost	2,004	5,872
Public Utilities, Inventory	26,860	22,498
Prepaid Expense and Other Assets	19,067	6,312
TOTAL	346,396	326,234
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	832	1,050
Storm Reserve Escrow Account	76,723	75,000
Other	624	675
TOTAL	78,179	76,725
PROPERTY, PLANT, AND EQUIPMENT
Electric	1,989,407	1,934,837
Natural gas	396,968	390,252
Construction work in progress	26,582	39,607
TOTAL PROPERTY, PLANT, AND EQUIPMENT	2,412,957	2,364,696
Less - accumulated depreciation and amortization	828,664	808,224
PROPERTY, PLANT, AND EQUIPMENT - NET	1,584,293	1,556,472
Regulatory assets:
Regulatory Assets, Noncurrent	199,182	202,112
Deferred Fuel Cost Non Current	4,080	4,080
Other	51,549	46,778
Deferred Costs and Other Assets	254,811	252,970
TOTAL ASSETS	2,263,679	2,212,401
CURRENT LIABILITIES
Currently maturing long-term debt	185,000	170,000
Accounts Payable	43,126	53,258
Accounts payable	40,231	57,291
Contract with Customer, Liability, Current	32,299	31,826
Taxes Payable, Current	9,651	10,308
Interest accrued	8,274	8,080
Other	9,271	6,560
TOTAL	329,158	338,629
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	391,231	385,259
Accumulated deferred investment tax credits	16,469	16,481
Regulatory liability for income taxes - net	42,162	39,738
Other regulatory liabilities	49,033	20,735
Decommissioning and asset retirement cost liabilities	4,101	0
Loss Contingency Accrual	90,598	87,048
Long-term debt	590,225	596,047
Deferred Credits and Other Liabilities	15,608	17,369
TOTAL	1,207,706	1,170,956
Common Shareholders' Equity:
Members' Equity	726,815	702,816
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	726,815	702,816
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	2,263,679	2,212,401
Notes Payable, Current	1,306	1,306
Amount	8,279	8,279
Entergy New Orleans [Member] | Affiliated Entity
Accounts receivable:
Customer	47,689	149,927
Entergy Texas [Member]
Cash and cash equivalents:
Cash	26	500
Temporary cash investments	2,796	2,997
Total cash and cash equivalents	2,822	3,497
Securitization recovery trust account	3,631	10,879
Accounts receivable:
Customer	81,011	115,955
Allowance for doubtful accounts	(1,708)	(2,352)
Other	25,733	21,587
Accrued unbilled revenues	95,924	69,208
Total accounts receivable	208,844	319,947
Deferred Fuel Cost	160,073	258,115
Fuel inventory - at average cost	44,832	26,750
Public Utilities, Inventory	94,414	93,031
Prepaid Expense and Other Assets	13,764	20,568
TOTAL	528,380	732,787
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	376	376
Other	19,196	18,975
TOTAL	19,809	19,601
PROPERTY, PLANT, AND EQUIPMENT
Electric	7,626,619	7,409,461
Construction work in progress	613,969	339,139
TOTAL PROPERTY, PLANT, AND EQUIPMENT	8,240,588	7,748,600
Less - accumulated depreciation and amortization	2,257,215	2,135,400
PROPERTY, PLANT, AND EQUIPMENT - NET	5,983,373	5,613,200
Regulatory assets:
Regulatory Assets, Noncurrent	598,370	578,682
Other	96,391	99,694
Deferred Costs and Other Assets	694,761	678,376
TOTAL ASSETS	7,226,323	7,043,964
CURRENT LIABILITIES
Accounts Payable	57,241	70,321
Accounts payable	245,062	201,982
Contract with Customer, Liability, Current	39,666	38,764
Taxes Payable, Current	47,484	93,033
Interest accrued	23,324	23,928
Other	14,068	16,963
TOTAL	426,845	444,991
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	774,147	744,227
Accumulated deferred investment tax credits	8,337	8,711
Regulatory liability for income taxes - net	124,742	132,647
Other regulatory liabilities	43,223	45,247
Decommissioning and asset retirement cost liabilities	11,428	11,121
Loss Contingency Accrual	8,048	7,593
Long-term debt	2,888,075	2,895,913
Deferred Credits and Other Liabilities	132,923	74,053
TOTAL	$ 3,990,923	$ 3,919,512
Common Stock, Shares, Outstanding	46,525,000	46,525,000
Common Shareholders' Equity:
Common Stock, Value, Issued	$ 49,452	$ 49,452
Additional Paid in Capital, Common Stock	1,050,125	1,050,125
TOTAL	2,769,805	2,640,711
Stockholders' Equity Attributable to Noncontrolling Interest	38,750	38,750
Retained Earnings (Accumulated Deficit)	1,670,228	1,541,134
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,808,555	2,679,461
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	7,226,323	7,043,964
Entergy Texas [Member] | Affiliated Entity
Accounts receivable:
Customer	7,884	115,549
Investments in and Advances to Affiliates, at Fair Value	237	250
System Energy [Member]
Cash and cash equivalents:
Cash	2,015	78
Temporary cash investments	46,240	2,862
Total cash and cash equivalents	48,255	2,940
Accounts receivable:
Other	5,195	6,145
Total accounts receivable	71,087	164,746
Public Utilities, Inventory	147,318	135,346
Deferred nuclear refueling outage costs	19,681	33,377
Prepaid Expense and Other Assets	12,426	9,097
TOTAL	301,874	345,506
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,260,251	1,142,914
TOTAL	1,260,251	1,142,914
PROPERTY, PLANT, AND EQUIPMENT
Electric	5,461,317	5,425,449
Construction work in progress	99,337	102,987
Nuclear fuel	146,230	193,004
TOTAL PROPERTY, PLANT, AND EQUIPMENT	5,706,884	5,721,440
Less - accumulated depreciation and amortization	3,439,474	3,412,257
PROPERTY, PLANT, AND EQUIPMENT - NET	2,267,410	2,309,183
Regulatory assets:
Regulatory Assets, Noncurrent	431,804	415,121
Other	898	1,422
Deferred Costs and Other Assets	432,702	416,543
TOTAL ASSETS	4,262,237	4,214,146
CURRENT LIABILITIES
Currently maturing long-term debt	46	300,037
Accounts Payable	11,431	21,701
Accounts payable	30,897	58,178
Taxes Payable, Current	0	7,597
Interest accrued	14,626	11,591
Sale-leaseback/depreciation regulatory liability	0	103,497
Other	4,065	4,071
TOTAL	61,065	506,672
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	395,069	376,070
Accumulated deferred investment tax credits	44,004	44,692
Regulatory liability for income taxes - net	109,366	110,840
Other regulatory liabilities	797,606	665,024
Decommissioning and asset retirement cost liabilities	1,063,139	1,042,461
Pension and other postretirement liabilities	35,992	40,750
Long-term debt	752,923	477,868
Deferred Credits and Other Liabilities	2	2
TOTAL	$ 3,198,101	$ 2,757,707
Common Stock, Shares, Outstanding	789,350	789,350
Common Shareholders' Equity:
Common Stock, Value, Issued	$ 1,086,850	$ 1,086,850
Retained Earnings (Accumulated Deficit)	(83,779)	(137,083)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,003,071	949,767
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	4,262,237	4,214,146
Prepaid Taxes	3,107	0
System Energy [Member] | Affiliated Entity
Accounts receivable:
Customer	$ 65,892	$ 158,601