Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Cash and cash equivalents:
Cash	$ 115,290	$ 44,944
Temporary cash investments	108,874	397,615
Total cash and cash equivalents	224,164	442,559
Accounts receivable:
Customer	788,552	786,866
Allowance for doubtful accounts	(30,856)	(68,608)
Other	241,702	231,843
Accrued unbilled revenues	495,859	420,255
Total accounts receivable	1,495,257	1,370,356
Deferred fuel costs	710,401	324,394
Fuel inventory - at average cost	147,632	154,575
Public Utilities, Inventory	1,183,308	1,041,515
Deferred nuclear refueling outage costs	143,653	133,422
Prepayments and other	190,611	156,774
TOTAL	4,095,026	3,623,595
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	4,121,864	5,514,016
Storm Reserve Escrow Account	401,955	33,186
Non-utility property - at cost (less accumulated depreciation)	366,405	357,576
Other	102,259	126,269
TOTAL	4,992,483	6,031,047
PROPERTY, PLANT, AND EQUIPMENT
Electric	64,646,911	64,263,250
Natural gas	691,970	658,989
Construction work in progress	1,844,171	1,511,966
Nuclear fuel	582,119	577,006
TOTAL PROPERTY, PLANT, AND EQUIPMENT	67,765,171	67,011,211
Less - accumulated depreciation and amortization	25,288,047	24,767,051
PROPERTY, PLANT, AND EQUIPMENT - NET	42,477,124	42,244,160
Regulatory assets:
Regulatory Assets, Noncurrent	6,036,397	6,613,256
Deferred Fuel Cost Non Current	241,085	240,953
Goodwill	377,172	377,172
Deferred Income Tax Assets, Net	84,100	54,186
Other	291,804	269,873
Deferred Costs and Other Assets	7,030,558	7,555,440
TOTAL ASSETS	58,595,191	59,454,242
CURRENT LIABILITIES
Currently maturing long-term debt	2,309,037	1,039,329
Short-term borrowings	827,621	1,201,177
Accounts payable	1,777,590	2,610,132
Customer deposits	424,723	395,184
Taxes accrued	424,091	419,828
Interest accrued	195,264	191,151
Deferred fuel costs	0	7,607
Pension and other postretirement liabilities	104,845	68,336
Current portion of regulatory liability for income taxes - net related to unprotected ADIT	0	53,385
Sale-leaseback/depreciation regulatory liability	103,497	0
Other	202,779	204,613
TOTAL	6,369,447	6,190,742
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	4,818,837	4,706,797
Accumulated deferred investment tax credits	211,220	211,975
Regulatory liability for income taxes - net	1,258,276	1,255,692
Other regulatory liabilities	2,324,590	2,643,845
Decommissioning trust fund	4,271,531	4,757,084
Loss Contingency Accrual	531,201	157,122
Pension and other postretirement liabilities	1,213,555	1,949,325
Long-term debt	23,623,512	24,841,572
Deferred Credits and Other Liabilities	688,720	815,284
TOTAL	38,941,442	41,338,696
Commitments and Contingencies
Subsidiaries’ preferred stock without sinking fund	219,410	219,410
EQUITY
Common stock	2,797	2,720
Additional Paid in Capital, Common Stock	7,632,895	6,766,239
Retained Earnings (Accumulated Deficit)	10,502,041	10,240,552
Accumulated other comprehensive loss	(191,754)	(332,528)
Less - treasury stock, at cost (76,681,936 shares in 2013 and 76,945,239 shares in 2012)	4,978,994	5,039,699
Total common shareholders' equity	12,966,985	11,637,284
Total common shareholders' equity	13,064,892	11,705,394
Stockholders' Equity Attributable to Noncontrolling Interest	97,907	68,110
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	58,595,191	59,454,242
Preferred Stock, Value, Issued	$ 0	$ 0
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Authorized	1,000,000
Common Stock, Shares, Issued	279,653,929	271,965,510
Common Stock, Shares Authorized	499,000,000
Entergy New Orleans [Member]
Cash and cash equivalents:
Cash	$ 27	$ 26
Temporary cash investments	4,437	42,836
Total cash and cash equivalents	4,464	42,862
Restricted Investments, Current	2,235	1,999
Accounts receivable:
Customer	93,288	69,902
Allowance for doubtful accounts	(11,909)	(13,282)
Other	6,110	13,668
Accrued unbilled revenues	37,284	25,550
Total accounts receivable	274,700	169,984
Deferred fuel costs	10,153	0
Fuel inventory - at average cost	5,872	2,945
Public Utilities, Inventory	22,498	19,216
Prepayments and other	6,312	5,428
TOTAL	326,234	242,434
OTHER PROPERTY AND INVESTMENTS
Storm Reserve Escrow Account	75,000	0
Non-utility property - at cost (less accumulated depreciation)	1,050	1,016
Other	675	0
TOTAL	76,725	1,016
PROPERTY, PLANT, AND EQUIPMENT
Electric	1,934,837	1,976,202
Natural gas	390,252	373,983
Construction work in progress	39,607	22,199
TOTAL PROPERTY, PLANT, AND EQUIPMENT	2,364,696	2,372,384
Less - accumulated depreciation and amortization	808,224	774,309
PROPERTY, PLANT, AND EQUIPMENT - NET	1,556,472	1,598,075
Regulatory assets:
Regulatory Assets, Noncurrent	202,112	248,617
Deferred Fuel Cost Non Current	4,080	4,080
Other	46,778	56,101
Deferred Costs and Other Assets	252,970	308,798
TOTAL ASSETS	2,212,401	2,150,323
CURRENT LIABILITIES
Currently maturing long-term debt	170,000	0
Notes Payable, Related Parties, Current	1,306	1,326
Associated companies accounts payable	53,258	45,057
Accounts payable	57,291	146,921
Customer deposits	31,826	28,539
Taxes accrued	10,308	4,385
Interest accrued	8,080	7,991
Deferred fuel costs	0	7,607
Current portion of regulatory liability for income taxes - net related to unprotected ADIT	0	1,906
Other	6,560	6,204
TOTAL	338,629	249,936
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	385,259	365,384
Accumulated deferred investment tax credits	16,481	16,306
Regulatory liability for income taxes - net	39,738	40,589
Decommissioning trust fund	0	4,032
Loss Contingency Accrual	87,048	6,329
Long-term debt	596,047	777,254
Notes Payable, Related Parties, Noncurrent	8,279	9,585
Deferred Credits and Other Liabilities	38,104	42,193
TOTAL	1,170,956	1,261,672
Commitments and Contingencies
Members' Equity	702,816	638,715
EQUITY
Total common shareholders' equity	702,816	638,715
Members' Equity	702,816	638,715
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	2,212,401	2,150,323
Accounts Receivable, Related Parties, Current	149,927	74,146
Entergy Louisiana [Member]
Cash and cash equivalents:
Cash	50,318	195
Temporary cash investments	6,295	18,378
Total cash and cash equivalents	56,613	18,573
Accounts receivable:
Customer	339,291	355,265
Allowance for doubtful accounts	(7,595)	(29,231)
Other	53,241	36,674
Accrued unbilled revenues	199,077	174,768
Total accounts receivable	672,910	634,015
Deferred fuel costs	159,183	45,374
Fuel inventory - at average cost	41,859	42,958
Public Utilities, Inventory	555,860	485,325
Deferred nuclear refueling outage costs	53,833	39,582
Prepayments and other	76,646	44,187
TOTAL	1,616,904	1,310,014
Investments in and Advances to Affiliates, at Fair Value	3,163,572	1,390,587
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,779,090	2,114,523
Storm Reserve Escrow Account	293,406	0
Non-utility property - at cost (less accumulated depreciation)	350,723	337,247
Other	19,679	13,744
TOTAL	5,606,470	3,856,101
PROPERTY, PLANT, AND EQUIPMENT
Electric	27,498,136	28,055,038
Natural gas	301,719	285,006
Construction work in progress	736,969	847,924
Nuclear fuel	212,941	209,418
TOTAL PROPERTY, PLANT, AND EQUIPMENT	28,749,765	29,397,386
Less - accumulated depreciation and amortization	10,087,942	9,860,252
PROPERTY, PLANT, AND EQUIPMENT - NET	18,661,823	19,537,134
Regulatory assets:
Regulatory Assets, Noncurrent	2,056,179	2,776,666
Deferred Fuel Cost Non Current	168,122	168,122
Other	35,057	27,801
Deferred Costs and Other Assets	2,259,358	2,972,589
TOTAL ASSETS	28,144,555	27,675,838
CURRENT LIABILITIES
Currently maturing long-term debt	1,010,000	200,000
Associated companies accounts payable	356,688	183,172
Accounts payable	589,355	1,481,902
Customer deposits	161,666	150,697
Taxes accrued	36,004	64,248
Interest accrued	101,336	93,052
Current portion of regulatory liability for income taxes - net related to unprotected ADIT	0	24,291
Other	72,525	68,995
TOTAL	2,327,574	2,266,357
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	2,374,878	2,433,854
Accumulated deferred investment tax credits	97,868	102,588
Regulatory liability for income taxes - net	337,836	313,693
Other regulatory liabilities	1,037,962	1,042,597
Decommissioning trust fund	1,736,801	1,653,198
Loss Contingency Accrual	316,314	24,490
Pension and other postretirement liabilities	389,631	528,213
Long-term debt	9,688,922	10,714,346
Deferred Credits and Other Liabilities	343,321	415,930
TOTAL	16,323,533	17,228,909
Commitments and Contingencies
Members' Equity	9,406,343	8,172,294
Members' Equity Attributable to Noncontrolling Interest	31,735	0
EQUITY
Accumulated other comprehensive loss	55,370	8,278
Total common shareholders' equity	9,493,448	8,180,572
Members' Equity	9,406,343	8,172,294
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	28,144,555	27,675,838
Accounts Receivable, Related Parties, Current	$ 88,896	$ 96,539
Preferred Stock, Shares Authorized	0	0
Entergy Arkansas [Member]
Cash and cash equivalents:
Cash	$ 1,911	$ 8,155
Temporary cash investments	3,367	4,760
Total cash and cash equivalents	5,278	12,915
Accounts receivable:
Customer	140,513	154,412
Allowance for doubtful accounts	(6,528)	(13,072)
Other	101,096	51,064
Accrued unbilled revenues	116,816	101,663
Total accounts receivable	397,233	323,654
Deferred fuel costs	139,739	108,862
Fuel inventory - at average cost	51,144	50,892
Public Utilities, Inventory	288,260	247,980
Deferred nuclear refueling outage costs	56,443	65,318
Prepayments and other	26,576	14,863
TOTAL	964,673	824,484
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,199,860	1,438,416
Other	2,414	947
TOTAL	1,202,274	1,439,363
PROPERTY, PLANT, AND EQUIPMENT
Electric	14,077,844	13,578,297
Construction work in progress	417,244	241,127
Nuclear fuel	176,174	182,055
TOTAL PROPERTY, PLANT, AND EQUIPMENT	14,671,262	14,001,479
Less - accumulated depreciation and amortization	5,729,304	5,472,296
PROPERTY, PLANT, AND EQUIPMENT - NET	8,941,958	8,529,183
Regulatory assets:
Regulatory Assets, Noncurrent	1,810,281	1,689,678
Deferred Fuel Cost Non Current	68,883	68,751
Other	18,507	13,660
Deferred Costs and Other Assets	1,897,671	1,772,089
TOTAL ASSETS	13,006,576	12,565,119
CURRENT LIABILITIES
Currently maturing long-term debt	290,000	0
Associated companies accounts payable	276,362	217,310
Accounts payable	310,339	190,476
Customer deposits	102,799	92,511
Taxes accrued	100,526	89,590
Interest accrued	18,816	17,108
Other	43,394	38,901
TOTAL	1,142,236	645,896
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	1,498,234	1,416,201
Accumulated deferred investment tax credits	28,472	29,299
Regulatory liability for income taxes - net	435,157	431,655
Other regulatory liabilities	475,758	743,314
Decommissioning trust fund	1,472,736	1,390,410
Loss Contingency Accrual	79,998	77,084
Pension and other postretirement liabilities	118,020	185,789
Long-term debt	3,876,500	3,958,862
Deferred Credits and Other Liabilities	97,650	110,754
TOTAL	8,082,525	8,343,368
Commitments and Contingencies
Members' Equity	3,753,990	3,542,745
Members' Equity Attributable to Noncontrolling Interest	27,825	33,110
EQUITY
Total common shareholders' equity	3,781,815	3,575,855
Members' Equity	3,753,990	3,542,745
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	13,006,576	12,565,119
Accounts Receivable, Related Parties, Current	$ 45,336	$ 29,587
Preferred Stock, Shares Authorized	0	0
Entergy Mississippi [Member]
Cash and cash equivalents:
Cash	$ 26	$ 29
Temporary cash investments	16,953	47,598
Total cash and cash equivalents	16,979	47,627
Accounts receivable:
Customer	99,504	84,048
Allowance for doubtful accounts	(2,472)	(7,209)
Other	34,564	14,609
Accrued unbilled revenues	73,473	56,034
Total accounts receivable	242,742	190,476
Deferred fuel costs	143,211	121,878
Fuel inventory - at average cost	15,548	10,311
Public Utilities, Inventory	84,346	69,639
Prepayments and other	9,603	6,394
TOTAL	512,429	446,325
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	4,512	4,527
Other	910	0
TOTAL	38,971	53,413
PROPERTY, PLANT, AND EQUIPMENT
Electric	7,079,849	6,613,109
Construction work in progress	170,191	95,452
TOTAL PROPERTY, PLANT, AND EQUIPMENT	7,250,040	6,708,561
Less - accumulated depreciation and amortization	2,264,786	2,127,590
PROPERTY, PLANT, AND EQUIPMENT - NET	4,985,254	4,580,971
Regulatory assets:
Regulatory Assets, Noncurrent	519,460	462,432
Other	22,650	14,248
Deferred Costs and Other Assets	542,110	476,680
TOTAL ASSETS	6,078,764	5,557,389
CURRENT LIABILITIES
Currently maturing long-term debt	400,000	0
Associated companies accounts payable	60,532	42,929
Accounts payable	176,162	113,000
Customer deposits	89,668	86,167
Taxes accrued	124,905	106,273
Interest accrued	18,208	17,283
Other	38,908	36,731
TOTAL	908,383	402,383
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	780,030	720,097
Accumulated deferred investment tax credits	14,591	10,913
Regulatory liability for income taxes - net	202,058	212,445
Other regulatory liabilities	79,865	49,313
Decommissioning trust fund	7,797	10,315
Loss Contingency Accrual	37,509	38,028
Pension and other postretirement liabilities	23,742	59,065
Long-term debt	1,931,096	2,179,989
Deferred Credits and Other Liabilities	53,156	35,273
TOTAL	3,129,844	3,315,438
Commitments and Contingencies
Members' Equity	2,037,190	1,839,568
Members' Equity Attributable to Noncontrolling Interest	3,347	0
EQUITY
Total common shareholders' equity	2,040,537	1,839,568
Members' Equity	2,037,190	1,839,568
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	6,078,764	5,557,389
Accounts Receivable, Related Parties, Current	37,673	42,994
Escrow accounts	$ 33,549	$ 48,886
Preferred Stock, Shares Authorized	0	0
Entergy Texas [Member]
Cash and cash equivalents:
Cash	$ 500	$ 28
Temporary cash investments	2,997	0
Total cash and cash equivalents	3,497	28
Restricted Investments, Current	10,879	26,629
Accounts receivable:
Customer	115,955	83,797
Allowance for doubtful accounts	(2,352)	(5,814)
Other	21,587	13,404
Accrued unbilled revenues	69,208	62,241
Total accounts receivable	319,947	185,348
Deferred fuel costs	258,115	48,280
Fuel inventory - at average cost	26,750	42,712
Public Utilities, Inventory	93,031	72,884
Prepayments and other	20,568	17,515
TOTAL	732,787	393,396
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	250	300
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	376	376
Other	18,975	18,128
TOTAL	19,601	18,804
PROPERTY, PLANT, AND EQUIPMENT
Electric	7,409,461	7,181,567
Construction work in progress	339,139	183,965
TOTAL PROPERTY, PLANT, AND EQUIPMENT	7,748,600	7,365,532
Less - accumulated depreciation and amortization	2,135,400	2,049,750
PROPERTY, PLANT, AND EQUIPMENT - NET	5,613,200	5,315,782
Regulatory assets:
Regulatory Assets, Noncurrent	578,682	421,333
Other	99,694	112,096
Deferred Costs and Other Assets	678,376	533,429
TOTAL ASSETS	7,043,964	6,261,411
CURRENT LIABILITIES
Currently maturing long-term debt	0	0
Associated companies accounts payable	70,321	142,929
Accounts payable	201,982	164,981
Customer deposits	38,764	37,271
Taxes accrued	93,033	49,018
Interest accrued	23,928	19,002
Current portion of regulatory liability for income taxes - net related to unprotected ADIT	0	27,188
Other	16,963	16,120
TOTAL	444,991	456,509
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	744,227	692,496
Accumulated deferred investment tax credits	8,711	9,325
Regulatory liability for income taxes - net	132,647	144,145
Other regulatory liabilities	45,247	37,060
Decommissioning trust fund	11,121	8,520
Loss Contingency Accrual	7,593	8,242
Long-term debt	2,895,913	2,354,148
Deferred Credits and Other Liabilities	74,053	67,760
TOTAL	3,919,512	3,321,696
Commitments and Contingencies
EQUITY
Common stock	49,452	49,452
Additional Paid in Capital, Common Stock	1,050,125	1,050,125
Retained Earnings (Accumulated Deficit)	1,541,134	1,344,879
Total common shareholders' equity	2,640,711	2,444,456
Total common shareholders' equity	2,679,461	2,483,206
Stockholders' Equity Attributable to Noncontrolling Interest	38,750	38,750
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	7,043,964	6,261,411
Accounts Receivable, Related Parties, Current	$ 115,549	$ 31,720
Preferred Stock, Shares Authorized	1,550,000	1,550,000
Common Stock, Shares, Issued	46,525,000	46,525,000
Common Stock, Shares Authorized	200,000,000	200,000,000
System Energy [Member]
Cash and cash equivalents:
Cash	$ 78	$ 87
Temporary cash investments	2,862	89,114
Total cash and cash equivalents	2,940	89,201
Accounts receivable:
Other	6,145	7,003
Total accounts receivable	164,746	125,980
Public Utilities, Inventory	135,346	127,093
Deferred nuclear refueling outage costs	33,377	10,123
Prepayments and other	9,097	1,870
TOTAL	345,506	354,267
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,142,914	1,385,254
TOTAL	1,142,914	1,385,254
PROPERTY, PLANT, AND EQUIPMENT
Electric	5,425,449	5,362,494
Construction work in progress	102,987	97,968
Nuclear fuel	193,004	171,438
TOTAL PROPERTY, PLANT, AND EQUIPMENT	5,721,440	5,631,900
Less - accumulated depreciation and amortization	3,412,257	3,396,136
PROPERTY, PLANT, AND EQUIPMENT - NET	2,309,183	2,235,764
Regulatory assets:
Regulatory Assets, Noncurrent	415,121	395,546
Other	1,422	1,793
Deferred Costs and Other Assets	416,543	397,339
TOTAL ASSETS	4,214,146	4,372,624
CURRENT LIABILITIES
Currently maturing long-term debt	300,037	50,329
Associated companies accounts payable	21,701	23,682
Accounts payable	58,178	62,573
Taxes accrued	7,597	32,918
Interest accrued	11,591	11,714
Sale-leaseback/depreciation regulatory liability	103,497	0
Other	4,071	4,101
TOTAL	506,672	185,317
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	376,070	382,931
Accumulated deferred investment tax credits	44,692	43,003
Regulatory liability for income taxes - net	110,840	113,165
Other regulatory liabilities	665,024	744,944
Decommissioning trust fund	1,042,461	1,007,603
Pension and other postretirement liabilities	40,750	76,104
Long-term debt	477,868	690,967
Deferred Credits and Other Liabilities	2	37,230
TOTAL	2,757,707	3,095,947
Commitments and Contingencies
EQUITY
Common stock	1,086,850	951,850
Retained Earnings (Accumulated Deficit)	(137,083)	139,510
Total common shareholders' equity	949,767	1,091,360
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	4,214,146	4,372,624
Accounts Receivable, Related Parties, Current	$ 158,601	$ 118,977
Common Stock, Shares, Issued	789,350	789,350
Common Stock, Shares Authorized	1,000,000	1,000,000