Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Cash and cash equivalents:
Cash	$ 62,724	$ 115,290
Temporary cash investments	1,907,788	108,874
Total cash and cash equivalents	1,970,512	224,164
Accounts receivable:
Customer	629,700	788,552
Allowance for doubtful accounts	(23,338)	(30,856)
Other	197,554	241,702
Accrued unbilled revenues	436,741	495,859
Total accounts receivable	1,240,657	1,495,257
Deferred Fuel Cost	282,429	710,401
Fuel inventory - at average cost	177,116	147,632
Public Utilities, Inventory	1,233,487	1,183,308
Deferred nuclear refueling outage costs	155,688	143,653
Prepaid Expense and Other Assets	206,353	190,611
TOTAL	5,266,242	4,095,026
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	4,349,892	4,121,864
Non-utility property - at cost (less accumulated depreciation)	400,579	366,405
Storm Reserve Escrow Account	406,150	401,955
Other	101,498	102,259
TOTAL	5,258,119	4,992,483
PROPERTY, PLANT, AND EQUIPMENT
Electric	64,249,378	64,646,911
Natural gas	697,771	691,970
Construction work in progress	2,157,341	1,844,171
Nuclear fuel	587,956	582,119
TOTAL PROPERTY, PLANT, AND EQUIPMENT	67,692,446	67,765,171
Less - accumulated depreciation and amortization	25,570,360	25,288,047
PROPERTY, PLANT, AND EQUIPMENT - NET	42,122,086	42,477,124
Regulatory assets:
Regulatory Assets, Noncurrent	5,493,703	6,036,397
Deferred Fuel Cost Non Current	241,085	241,085
Goodwill	377,172	377,172
Deferred Income Tax Assets, Net	82,529	84,100
Other	362,340	291,804
Deferred Costs and Other Assets	6,556,829	7,030,558
TOTAL ASSETS	59,203,276	58,595,191
CURRENT LIABILITIES
Currently maturing long-term debt	2,259,046	2,309,037
Short-term borrowings	865,616	827,621
Accounts payable	1,385,949	1,777,590
Contract with Customer, Liability, Current	429,211	424,723
Taxes Payable, Current	357,374	424,091
Interest accrued	225,891	195,264
Deferred fuel costs	14,626	0
Pension and other postretirement liabilities	87,588	104,845
Sale-leaseback/depreciation regulatory liability	0	103,497
Other	200,028	202,779
TOTAL	5,825,329	6,369,447
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	4,738,377	4,818,837
Accumulated deferred investment tax credits	209,128	211,220
Regulatory liability for income taxes - net	1,234,992	1,258,276
Other regulatory liabilities	2,588,056	2,324,590
Decommissioning and asset retirement cost liabilities	4,325,106	4,271,531
Loss Contingency Accrual	531,226	531,201
Pension and other postretirement liabilities	1,166,724	1,213,555
Long-term debt	24,464,263	23,623,512
Deferred Credits and Other Liabilities	733,737	688,720
TOTAL	39,991,609	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	7,617,777	7,632,895
Accumulated other comprehensive loss	(189,727)	(191,754)
Less - treasury stock, at cost	4,959,395	4,978,994
TOTAL	13,058,234	12,966,985
Stockholders' Equity Attributable to Noncontrolling Interest	108,694	97,907
Retained Earnings (Accumulated Deficit)	10,586,782	10,502,041
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	13,166,928	13,064,892
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	59,203,276	58,595,191
Entergy Arkansas [Member]
Cash and cash equivalents:
Cash	2,871	1,911
Temporary cash investments	156,714	3,367
Total cash and cash equivalents	159,585	5,278
Accounts receivable:
Customer	129,852	140,513
Allowance for doubtful accounts	(5,255)	(6,528)
Accounts Receivable, Related Parties, Current	51,962	45,336
Other	94,252	101,096
Accrued unbilled revenues	98,387	116,816
Total accounts receivable	369,198	397,233
Deferred Fuel Cost	52,158	139,739
Fuel inventory - at average cost	66,399	51,144
Public Utilities, Inventory	304,342	288,260
Deferred nuclear refueling outage costs	47,143	56,443
Prepaid Expense and Other Assets	26,120	26,576
TOTAL	1,024,945	964,673
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,265,519	1,199,860
Other	2,430	2,414
TOTAL	1,267,949	1,202,274
PROPERTY, PLANT, AND EQUIPMENT
Electric	14,226,705	14,077,844
Construction work in progress	448,820	417,244
Nuclear fuel	185,531	176,174
TOTAL PROPERTY, PLANT, AND EQUIPMENT	14,861,056	14,671,262
Less - accumulated depreciation and amortization	5,804,506	5,729,304
PROPERTY, PLANT, AND EQUIPMENT - NET	9,056,550	8,941,958
Regulatory assets:
Regulatory Assets, Noncurrent	1,837,282	1,810,281
Deferred Fuel Cost Non Current	68,883	68,883
Other	24,821	18,507
Deferred Costs and Other Assets	1,930,986	1,897,671
TOTAL ASSETS	13,280,430	13,006,576
CURRENT LIABILITIES
Currently maturing long-term debt	290,000	290,000
Associated companies accounts payable	65,002	276,362
Accounts payable	241,282	310,339
Contract with Customer, Liability, Current	103,891	102,799
Taxes Payable, Current	111,173	100,526
Interest accrued	54,721	18,816
Other	44,772	43,394
TOTAL	910,841	1,142,236
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	1,522,328	1,498,234
Accumulated deferred investment tax credits	28,171	28,472
Regulatory liability for income taxes - net	422,376	435,157
Other regulatory liabilities	533,740	475,758
Decommissioning and asset retirement cost liabilities	1,494,086	1,472,736
Loss Contingency Accrual	73,398	79,998
Pension and other postretirement liabilities	109,991	118,020
Long-term debt	4,330,604	3,876,500
Deferred Credits and Other Liabilities	93,787	97,650
TOTAL	8,608,481	8,082,525
Common Shareholders' Equity:
Members' Equity	3,735,016	3,753,990
Members' Equity Attributable to Noncontrolling Interest	26,092	27,825
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,761,108	3,781,815
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	13,280,430	13,006,576
Entergy Louisiana [Member]
Cash and cash equivalents:
Cash	503	50,318
Temporary cash investments	1,079,349	6,295
Total cash and cash equivalents	1,079,852	56,613
Accounts receivable:
Customer	252,121	339,291
Allowance for doubtful accounts	(5,667)	(7,595)
Accounts Receivable, Related Parties, Current	166,204	88,896
Other	34,003	53,241
Accrued unbilled revenues	183,877	199,077
Total accounts receivable	630,538	672,910
Deferred Fuel Cost	0	159,183
Fuel inventory - at average cost	46,348	41,859
Public Utilities, Inventory	582,975	555,860
Deferred nuclear refueling outage costs	82,201	53,833
Prepaid Expense and Other Assets	122,373	76,646
TOTAL	2,544,287	1,616,904
Investments in and Advances to Affiliates, at Fair Value	4,574,605	3,163,572
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,879,612	1,779,090
Non-utility property - at cost (less accumulated depreciation)	384,988	350,723
Storm Reserve Escrow Account	296,443	293,406
Other	15,681	19,679
TOTAL	7,151,329	5,606,470
PROPERTY, PLANT, AND EQUIPMENT
Electric	26,752,076	27,498,136
Natural gas	304,956	301,719
Construction work in progress	822,944	736,969
Nuclear fuel	240,301	212,941
TOTAL PROPERTY, PLANT, AND EQUIPMENT	28,120,277	28,749,765
Less - accumulated depreciation and amortization	10,144,497	10,087,942
PROPERTY, PLANT, AND EQUIPMENT - NET	17,975,780	18,661,823
Regulatory assets:
Regulatory Assets, Noncurrent	1,564,124	2,056,179
Deferred Fuel Cost Non Current	168,122	168,122
Other	45,231	35,057
Deferred Costs and Other Assets	1,777,477	2,259,358
TOTAL ASSETS	29,448,873	28,144,555
CURRENT LIABILITIES
Currently maturing long-term debt	1,010,000	1,010,000
Associated companies accounts payable	99,730	356,688
Accounts payable	447,572	589,355
Contract with Customer, Liability, Current	164,075	161,666
Taxes Payable, Current	47,631	36,004
Interest accrued	88,606	101,336
Deferred fuel costs	14,626	0
Other	68,663	72,525
TOTAL	1,940,903	2,327,574
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	2,296,882	2,374,878
Accumulated deferred investment tax credits	96,711	97,868
Regulatory liability for income taxes - net	332,896	337,836
Other regulatory liabilities	1,198,198	1,037,962
Decommissioning and asset retirement cost liabilities	1,758,469	1,736,801
Loss Contingency Accrual	318,364	316,314
Pension and other postretirement liabilities	386,209	389,631
Long-term debt	9,680,832	9,688,922
Deferred Credits and Other Liabilities	391,218	343,321
TOTAL	16,459,779	16,323,533
Common Shareholders' Equity:
Accumulated other comprehensive loss	54,584	55,370
Members' Equity	10,947,211	9,406,343
Members' Equity Attributable to Noncontrolling Interest	46,396	31,735
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	11,048,191	9,493,448
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	29,448,873	28,144,555
Entergy Mississippi [Member]
Cash and cash equivalents:
Cash	888	26
Temporary cash investments	35,264	16,953
Total cash and cash equivalents	36,152	16,979
Accounts receivable:
Customer	100,813	99,504
Allowance for doubtful accounts	(2,235)	(2,472)
Accounts Receivable, Related Parties, Current	4,226	37,673
Other	17,245	34,564
Accrued unbilled revenues	60,510	73,473
Total accounts receivable	180,559	242,742
Deferred Fuel Cost	76,206	143,211
Fuel inventory - at average cost	18,562	15,548
Public Utilities, Inventory	91,576	84,346
Prepaid Expense and Other Assets	10,409	9,603
TOTAL	413,464	512,429
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	4,508	4,512
Storm Reserve Escrow Account	33,896	33,549
Other	911	910
TOTAL	39,315	38,971
PROPERTY, PLANT, AND EQUIPMENT
Electric	7,143,328	7,079,849
Construction work in progress	218,611	170,191
TOTAL PROPERTY, PLANT, AND EQUIPMENT	7,361,939	7,250,040
Less - accumulated depreciation and amortization	2,309,803	2,264,786
PROPERTY, PLANT, AND EQUIPMENT - NET	5,052,136	4,985,254
Regulatory assets:
Regulatory Assets, Noncurrent	518,440	519,460
Other	26,109	22,650
Deferred Costs and Other Assets	544,549	542,110
TOTAL ASSETS	6,049,464	6,078,764
CURRENT LIABILITIES
Currently maturing long-term debt	400,000	400,000
Associated companies accounts payable	61,557	60,532
Accounts payable	139,804	176,162
Contract with Customer, Liability, Current	90,130	89,668
Taxes Payable, Current	44,739	124,905
Interest accrued	29,287	18,208
Other	36,741	38,908
TOTAL	802,258	908,383
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	788,820	780,030
Accumulated deferred investment tax credits	14,492	14,591
Regulatory liability for income taxes - net	199,383	202,058
Other regulatory liabilities	38,052	79,865
Decommissioning and asset retirement cost liabilities	7,903	7,797
Loss Contingency Accrual	39,409	37,509
Pension and other postretirement liabilities	19,573	23,742
Long-term debt	2,031,365	1,931,096
Deferred Credits and Other Liabilities	59,232	53,156
TOTAL	3,198,229	3,129,844
Common Shareholders' Equity:
Stockholders' Equity Attributable to Noncontrolling Interest	1,206	3,347
Members' Equity	2,047,771	2,037,190
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,048,977	2,040,537
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	6,049,464	6,078,764
Entergy New Orleans [Member]
Cash and cash equivalents:
Cash	367	27
Temporary cash investments	175,519	4,437
Total cash and cash equivalents	175,886	4,464
Securitization recovery trust account	5,290	2,235
Accounts receivable:
Customer	67,827	93,288
Allowance for doubtful accounts	(8,334)	(11,909)
Accounts Receivable, Related Parties, Current	14,502	149,927
Other	7,258	6,110
Accrued unbilled revenues	32,737	37,284
Total accounts receivable	113,990	274,700
Deferred Fuel Cost	3,188	10,153
Fuel inventory - at average cost	2,952	5,872
Public Utilities, Inventory	23,868	22,498
Prepaid Expense and Other Assets	18,567	6,312
TOTAL	343,741	326,234
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	1,050	1,050
Storm Reserve Escrow Account	75,811	75,000
Other	675	675
TOTAL	77,536	76,725
PROPERTY, PLANT, AND EQUIPMENT
Electric	1,963,198	1,934,837
Natural gas	392,815	390,252
Construction work in progress	23,011	39,607
TOTAL PROPERTY, PLANT, AND EQUIPMENT	2,379,024	2,364,696
Less - accumulated depreciation and amortization	817,324	808,224
PROPERTY, PLANT, AND EQUIPMENT - NET	1,561,700	1,556,472
Regulatory assets:
Regulatory Assets, Noncurrent	199,845	202,112
Deferred Fuel Cost Non Current	4,080	4,080
Other	50,425	46,778
Deferred Costs and Other Assets	254,350	252,970
TOTAL ASSETS	2,237,327	2,212,401
CURRENT LIABILITIES
Currently maturing long-term debt	170,000	170,000
Notes Payable, Related Parties, Current	1,306	1,306
Associated companies accounts payable	47,327	53,258
Accounts payable	43,464	57,291
Contract with Customer, Liability, Current	32,161	31,826
Taxes Payable, Current	11,995	10,308
Interest accrued	7,719	8,080
Other	7,547	6,560
TOTAL	321,519	338,629
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	386,218	385,259
Accumulated deferred investment tax credits	16,475	16,481
Regulatory liability for income taxes - net	42,398	39,738
Loss Contingency Accrual	88,693	87,048
Long-term debt	596,242	596,047
Notes Payable, Related Parties, Noncurrent	8,279	8,279
Deferred Credits and Other Liabilities	64,545	38,104
TOTAL	1,202,850	1,170,956
Common Shareholders' Equity:
Members' Equity	712,958	702,816
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	712,958	702,816
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	2,237,327	2,212,401
Entergy Texas [Member]
Cash and cash equivalents:
Cash	1,004	500
Temporary cash investments	91,160	2,997
Total cash and cash equivalents	92,164	3,497
Securitization recovery trust account	11,728	10,879
Accounts receivable:
Customer	79,086	115,955
Allowance for doubtful accounts	(1,847)	(2,352)
Accounts Receivable, Related Parties, Current	13,824	115,549
Other	11,512	21,587
Accrued unbilled revenues	61,230	69,208
Total accounts receivable	163,805	319,947
Deferred Fuel Cost	150,877	258,115
Fuel inventory - at average cost	35,195	26,750
Public Utilities, Inventory	88,560	93,031
Prepaid Expense and Other Assets	14,622	20,568
TOTAL	556,951	732,787
OTHER PROPERTY AND INVESTMENTS
Investment in affiliates - at equity	222	250
Non-utility property - at cost (less accumulated depreciation)	376	376
Other	19,129	18,975
TOTAL	19,727	19,601
PROPERTY, PLANT, AND EQUIPMENT
Electric	7,497,285	7,409,461
Construction work in progress	486,164	339,139
TOTAL PROPERTY, PLANT, AND EQUIPMENT	7,983,449	7,748,600
Less - accumulated depreciation and amortization	2,180,743	2,135,400
PROPERTY, PLANT, AND EQUIPMENT - NET	5,802,706	5,613,200
Regulatory assets:
Regulatory Assets, Noncurrent	557,147	578,682
Other	97,837	99,694
Deferred Costs and Other Assets	654,984	678,376
TOTAL ASSETS	7,034,368	7,043,964
CURRENT LIABILITIES
Associated companies accounts payable	59,669	70,321
Accounts payable	203,742	201,982
Contract with Customer, Liability, Current	38,953	38,764
Taxes Payable, Current	71,447	93,033
Interest accrued	11,272	23,928
Other	15,745	16,963
TOTAL	400,828	444,991
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	740,360	744,227
Accumulated deferred investment tax credits	8,559	8,711
Regulatory liability for income taxes - net	127,872	132,647
Other regulatory liabilities	46,739	45,247
Decommissioning and asset retirement cost liabilities	11,274	11,121
Loss Contingency Accrual	8,115	7,593
Long-term debt	2,896,522	2,895,913
Deferred Credits and Other Liabilities	73,483	74,053
TOTAL	$ 3,912,924	$ 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	2,681,866	2,640,711
Stockholders' Equity Attributable to Noncontrolling Interest	38,750	38,750
Retained Earnings (Accumulated Deficit)	1,582,289	1,541,134
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,720,616	2,679,461
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	7,034,368	7,043,964
System Energy [Member]
Cash and cash equivalents:
Cash	723	78
Temporary cash investments	259,280	2,862
Total cash and cash equivalents	260,003	2,940
Accounts receivable:
Accounts Receivable, Related Parties, Current	89,804	158,601
Other	6,749	6,145
Total accounts receivable	96,553	164,746
Public Utilities, Inventory	138,039	135,346
Deferred nuclear refueling outage costs	26,344	33,377
Prepaid Expense and Other Assets	10,600	9,097
TOTAL	539,778	345,506
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,204,762	1,142,914
TOTAL	1,204,762	1,142,914
PROPERTY, PLANT, AND EQUIPMENT
Electric	5,434,346	5,425,449
Construction work in progress	122,510	102,987
Nuclear fuel	162,124	193,004
TOTAL PROPERTY, PLANT, AND EQUIPMENT	5,718,980	5,721,440
Less - accumulated depreciation and amortization	3,446,204	3,412,257
PROPERTY, PLANT, AND EQUIPMENT - NET	2,272,776	2,309,183
Regulatory assets:
Regulatory Assets, Noncurrent	418,368	415,121
Other	848	1,422
Deferred Costs and Other Assets	419,216	416,543
TOTAL ASSETS	4,436,532	4,214,146
CURRENT LIABILITIES
Currently maturing long-term debt	250,046	300,037
Associated companies accounts payable	12,901	21,701
Accounts payable	55,406	58,178
Taxes Payable, Current	0	7,597
Interest accrued	11,533	11,591
Sale-leaseback/depreciation regulatory liability	0	103,497
Other	4,067	4,071
TOTAL	333,953	506,672
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	386,757	376,070
Accumulated deferred investment tax credits	44,348	44,692
Regulatory liability for income taxes - net	110,068	110,840
Other regulatory liabilities	722,081	665,024
Decommissioning and asset retirement cost liabilities	1,052,748	1,042,461
Pension and other postretirement liabilities	39,098	40,750
Long-term debt	770,165	477,868
Deferred Credits and Other Liabilities	2	2
TOTAL	$ 3,125,267	$ 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)	(109,538)	(137,083)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	977,312	949,767
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	4,436,532	4,214,146
Prepaid Taxes	$ 8,239	$ 0