Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Cash and cash equivalents:
Cash	$ 82,850	$ 71,609
Temporary cash investments	1,272,314	60,939
Total cash and cash equivalents	1,355,164	132,548
Restricted Cash and Cash Equivalents, Current	4,000
Accounts receivable:
Customer	777,791	699,411
Allowance for doubtful accounts	(16,642)	(25,905)
Other	227,075	225,334
Accrued unbilled revenues	592,785	494,615
Total accounts receivable	1,581,009	1,393,455
Deferred Fuel Cost	78,434	169,967
Fuel inventory - at average cost	174,475	192,799
Public Utilities, Inventory	1,576,459	1,418,969
Prepaid Expense and Other Assets, Current	247,056	213,016
Deferred nuclear refueling outage costs	134,500	140,115
TOTAL	5,147,097	3,660,869
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	5,265,003	4,863,710
Non-utility property - at cost (less accumulated depreciation)	417,553	418,546
Storm Reserve Escrow Account	332,801	323,206
Other	71,920	69,494
TOTAL	6,087,277	5,674,956
PROPERTY, PLANT, AND EQUIPMENT
Electric	68,241,911	66,850,474
Natural gas	732,677	717,503
Construction work in progress	2,682,373	2,109,703
Nuclear fuel	682,247	707,852
TOTAL PROPERTY, PLANT, AND EQUIPMENT	72,339,208	70,385,532
Less - accumulated depreciation and amortization	27,171,548	26,551,203
PROPERTY, PLANT, AND EQUIPMENT - NET	45,167,660	43,834,329
Regulatory assets:
Regulatory Asset, Noncurrent	5,408,682	5,669,404
Deferred Fuel Cost, Noncurrent	172,201	172,201
Goodwill	374,099	374,099
Deferred Income Tax Assets, Net	16,510	16,367
Other	392,771	301,171
Deferred Costs and Other Assets	6,364,263	6,533,242
TOTAL ASSETS	62,766,297	59,703,396
CURRENT LIABILITIES
Currently maturing long-term debt	1,517,072	2,099,057
Short-Term Debt	932,351	1,138,171
Accounts payable	1,314,661	1,566,745
Contract with Customer, Liability, Current	462,222	446,146
Taxes Payable, Current	450,759	434,213
Interest accrued	237,757	214,197
Deferred fuel costs	262,348	218,927
Pension and other postretirement liabilities	56,521	59,508
Other	253,489	219,528
TOTAL	5,487,180	6,396,492
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	4,321,771	4,245,982
Accumulated deferred investment tax credits	199,745	205,973
Regulatory Liability For Income Taxes - Net	1,042,248	1,033,242
Other regulatory liabilities	3,488,314	3,116,926
Decommissioning and asset retirement cost liabilities	4,683,902	4,505,782
Loss Contingency Accrual	467,200	462,570
Pension and other postretirement liabilities	519,861	648,413
Long-Term Debt, Excluding Current Maturities	26,301,092	23,008,839
Deferred Credits and Other Liabilities	1,353,919	1,116,661
TOTAL	42,378,052	38,344,388
Commitments and Contingencies
Subsidiaries’ preferred stock without sinking fund	$ 219,410	$ 219,410
Preferred Stock, No Par Value	$ 0	$ 0
Preferred Stock, Value, Issued	$ 0	$ 0
Common Shareholders Equity [Abstract]
Common Stock, Value, Issued	2,810	2,810
Additional Paid in Capital, Common Stock	7,785,921	7,795,411
Accumulated other comprehensive income (loss)	80,361	(162,460)
Treasury Stock, Value	4,883,695	4,953,498
TOTAL	14,567,729	14,622,647
Equity, Attributable to Noncontrolling Interest	113,926	120,459
Retained Earnings (Accumulated Deficit)	11,582,332	11,940,384
TOTAL	14,681,655	14,743,106
TOTAL LIABILITIES AND EQUITY	62,766,297	59,703,396
Entergy Arkansas [Member]
Cash and cash equivalents:
Cash	14,168	520
Temporary cash investments	772,164	3,112
Total cash and cash equivalents	786,332	3,632
Accounts receivable:
Customer	159,732	157,520
Allowance for doubtful accounts	(4,297)	(7,182)
Other	70,310	89,532
Accrued unbilled revenues	142,619	117,119
Total accounts receivable	545,196	481,661
Fuel inventory - at average cost	46,605	57,495
Public Utilities, Inventory	387,125	358,302
Prepaid Expense and Other Assets, Current	37,288	40,866
Deferred nuclear refueling outage costs	39,064	35,463
TOTAL	1,841,610	977,419
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,522,508	1,414,009
Other	799	801
TOTAL	1,523,307	1,414,810
PROPERTY, PLANT, AND EQUIPMENT
Electric	15,166,477	14,821,814
Construction work in progress	503,003	340,601
Nuclear fuel	226,459	213,722
TOTAL PROPERTY, PLANT, AND EQUIPMENT	15,895,939	15,376,137
Less - accumulated depreciation and amortization	6,144,521	6,002,203
PROPERTY, PLANT, AND EQUIPMENT - NET	9,751,418	9,373,934
Regulatory assets:
Regulatory Asset, Noncurrent	1,705,642	1,885,361
Other	154,064	21,334
Deferred Costs and Other Assets	1,859,706	1,906,695
TOTAL ASSETS	14,976,041	13,672,858
CURRENT LIABILITIES
Currently maturing long-term debt	0	375,000
Accounts Payable	98,324	225,344
Accounts payable	196,722	215,502
Contract with Customer, Liability, Current	121,174	113,186
Taxes Payable, Current	89,655	105,151
Interest accrued	40,017	35,370
Deferred fuel costs	90,599	88,282
Other	65,592	55,683
TOTAL	702,083	1,213,518
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	1,445,165	1,437,053
Accumulated deferred investment tax credits	26,670	27,270
Regulatory Liability For Income Taxes - Net	419,526	392,496
Other regulatory liabilities	803,680	759,181
Decommissioning and asset retirement cost liabilities	1,625,476	1,560,057
Loss Contingency Accrual	64,684	58,959
Pension and other postretirement liabilities	103,190	8,901
Long-Term Debt, Excluding Current Maturities	5,094,160	4,298,080
Deferred Credits and Other Liabilities	172,939	156,673
TOTAL	9,755,490	8,698,670
Commitments and Contingencies
Common Shareholders Equity [Abstract]
Members' Equity	4,499,793	3,739,071
Members' Equity Attributable to Noncontrolling Interest	18,675	21,599
TOTAL	4,518,468	3,760,670
TOTAL LIABILITIES AND EQUITY	14,976,041	13,672,858
Entergy Arkansas [Member] | Affiliated Entity [Member]
Accounts receivable:
Customer	176,832	124,672
Entergy Louisiana [Member]
Cash and cash equivalents:
Cash	474	2,255
Temporary cash investments	185,307	517
Total cash and cash equivalents	185,781	2,772
Accounts receivable:
Customer	302,489	264,776
Allowance for doubtful accounts	(3,361)	(6,156)
Other	68,394	74,685
Accrued unbilled revenues	237,470	202,173
Total accounts receivable	810,132	617,770
Deferred Fuel Cost	13,436	24,800
Fuel inventory - at average cost	50,928	57,818
Public Utilities, Inventory	732,270	652,180
Prepaid Expense and Other Assets, Current	240,739	71,613
Deferred nuclear refueling outage costs	66,810	96,047
TOTAL	2,100,096	1,523,000
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	2,292,174	2,107,384
Non-utility property - at cost (less accumulated depreciation)	404,313	404,043
Storm Reserve Escrow Account	250,372	243,819
Other	9,587	9,367
TOTAL	7,338,750	7,260,858
PROPERTY, PLANT, AND EQUIPMENT
Electric	28,341,063	27,800,467
Natural gas	324,169	315,658
Construction work in progress	514,882	592,803
Nuclear fuel	249,813	333,472
TOTAL PROPERTY, PLANT, AND EQUIPMENT	29,429,927	29,042,400
Less - accumulated depreciation and amortization	10,776,257	10,570,707
PROPERTY, PLANT, AND EQUIPMENT - NET	18,653,670	18,471,693
Regulatory assets:
Regulatory Asset, Noncurrent	1,657,857	1,648,852
Deferred Fuel Cost, Noncurrent	168,122	168,122
Other	52,426	36,945
Deferred Costs and Other Assets	1,878,405	1,853,919
TOTAL ASSETS	29,970,921	29,109,470
CURRENT LIABILITIES
Currently maturing long-term debt	1,300,000	1,400,000
Accounts Payable	132,514	283,016
Accounts payable	406,932	467,414
Contract with Customer, Liability, Current	172,428	167,905
Taxes Payable, Current	94,140	66,463
Interest accrued	105,819	91,656
Other	107,516	87,468
TOTAL	2,319,349	2,563,922
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	2,525,735	2,391,442
Accumulated deferred investment tax credits	90,961	93,242
Regulatory Liability For Income Taxes - Net	194,618	193,754
Other regulatory liabilities	1,692,861	1,407,689
Decommissioning and asset retirement cost liabilities	1,896,968	1,836,240
Loss Contingency Accrual	273,388	263,869
Pension and other postretirement liabilities	249,718	271,928
Long-Term Debt, Excluding Current Maturities	8,888,393	8,020,689
Deferred Credits and Other Liabilities	619,985	493,176
TOTAL	16,432,627	14,972,029
Commitments and Contingencies
Common Shareholders Equity [Abstract]
Accumulated other comprehensive income (loss)	50,751	54,798
Members' Equity	11,122,661	11,473,614
Members' Equity Attributable to Noncontrolling Interest	45,533	45,107
TOTAL	11,218,945	11,573,519
TOTAL LIABILITIES AND EQUITY	29,970,921	29,109,470
Entergy Louisiana [Member] | Affiliated Entity [Member]
Accounts receivable:
Customer	205,140	82,292
Investment Owned, Fair Value	4,382,304	4,496,245
Entergy Mississippi [Member]
Cash and cash equivalents:
Cash	30	30
Temporary cash investments	3,083	6,600
Total cash and cash equivalents	3,113	6,630
Accounts receivable:
Customer	124,274	121,389
Allowance for doubtful accounts	(2,226)	(3,312)
Other	22,637	17,697
Accrued unbilled revenues	85,998	71,465
Total accounts receivable	238,490	212,236
Fuel inventory - at average cost	18,527	16,196
Public Utilities, Inventory	109,283	95,526
Prepaid Expense and Other Assets, Current	13,108	12,740
TOTAL	382,521	343,328
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	4,489	4,497
Storm Reserve Escrow Account	759	656
TOTAL	5,248	5,153
PROPERTY, PLANT, AND EQUIPMENT
Electric	7,617,717	7,455,145
Construction work in progress	284,846	139,635
TOTAL PROPERTY, PLANT, AND EQUIPMENT	7,902,563	7,594,780
Less - accumulated depreciation and amortization	2,435,037	2,346,327
PROPERTY, PLANT, AND EQUIPMENT - NET	5,467,526	5,248,453
Regulatory assets:
Regulatory Asset, Noncurrent	573,751	579,076
Other	77,054	51,996
Deferred Costs and Other Assets	650,805	631,072
TOTAL ASSETS	6,506,100	6,228,006
CURRENT LIABILITIES
Currently maturing long-term debt	0	100,000
Accounts Payable	86,688	133,571
Accounts payable	112,595	92,659
Contract with Customer, Liability, Current	94,308	92,637
Taxes Payable, Current	66,507	115,134
Interest accrued	19,692	21,537
Deferred fuel costs	171,749	130,645
Other	22,152	26,463
TOTAL	573,691	712,646
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	849,315	821,744
Accumulated deferred investment tax credits	13,373	13,811
Regulatory Liability For Income Taxes - Net	183,083	188,714
Other regulatory liabilities	35,912	33,696
Decommissioning and asset retirement cost liabilities	30,309	8,229
Loss Contingency Accrual	27,906	39,481
Long-Term Debt, Excluding Current Maturities	2,426,614	2,129,510
Deferred Credits and Other Liabilities	72,986	71,961
TOTAL	3,639,498	3,307,146
Commitments and Contingencies
Common Shareholders Equity [Abstract]
Members' Equity	2,278,193	2,189,461
Members' Equity Attributable to Noncontrolling Interest	14,718	18,753
TOTAL	2,292,911	2,208,214
TOTAL LIABILITIES AND EQUITY	6,506,100	6,228,006
Entergy Mississippi [Member] | Affiliated Entity [Member]
Accounts receivable:
Customer	7,807	4,997
Entergy New Orleans [Member]
Cash and cash equivalents:
Cash	26	26
Temporary cash investments	6,532	0
Total cash and cash equivalents	6,558	26
Restricted Cash and Cash Equivalents, Current	1,306	2,426
Accounts receivable:
Customer	71,412	67,258
Allowance for doubtful accounts	(5,824)	(7,770)
Other	6,883	5,270
Accrued unbilled revenues	35,763	31,087
Total accounts receivable	210,525	97,502
Deferred Fuel Cost	6,199	6,148
Fuel inventory - at average cost	2,754	3,298
Public Utilities, Inventory	32,846	30,019
Prepaid Expense and Other Assets, Current	19,146	11,482
Prepaid Taxes	0	1,574
TOTAL	279,334	152,475
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	832	832
Storm Reserve Escrow Account	81,670	78,731
TOTAL	82,502	79,563
PROPERTY, PLANT, AND EQUIPMENT
Electric	2,078,423	2,046,928
Natural gas	408,508	401,846
Construction work in progress	40,512	25,424
TOTAL PROPERTY, PLANT, AND EQUIPMENT	2,527,443	2,474,198
Less - accumulated depreciation and amortization	879,838	858,672
PROPERTY, PLANT, AND EQUIPMENT - NET	1,647,605	1,615,526
Regulatory assets:
Regulatory Asset, Noncurrent	171,294	182,367
Deferred Fuel Cost, Noncurrent	4,080	4,080
Other	84,269	63,964
Deferred Costs and Other Assets	259,643	250,411
TOTAL ASSETS	2,269,084	2,097,975
CURRENT LIABILITIES
Currently maturing long-term debt	78,000	85,000
Accounts Payable	43,275	76,736
Accounts payable	38,150	39,813
Contract with Customer, Liability, Current	33,324	32,420
Taxes Payable, Current	5,771	0
Interest accrued	7,314	8,534
Other	11,003	8,953
TOTAL	218,112	252,731
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	176,689	195,615
Accumulated deferred investment tax credits	15,672	16,457
Regulatory Liability For Income Taxes - Net	34,411	36,061
Other regulatory liabilities	259,613	90,434
Loss Contingency Accrual	90,597	88,124
Long-Term Debt, Excluding Current Maturities	650,197	584,171
Deferred Credits and Other Liabilities	37,882	20,624
TOTAL	1,272,065	1,038,490
Commitments and Contingencies
Common Shareholders Equity [Abstract]
Members' Equity	778,907	806,754
TOTAL	778,907	806,754
TOTAL LIABILITIES AND EQUITY	2,269,084	2,097,975
Notes Payable, Current	1,275	1,275
Notes Payable, Noncurrent	7,004	7,004
Entergy New Orleans [Member] | Affiliated Entity [Member]
Accounts receivable:
Customer	102,291	1,657
Entergy Texas [Member]
Cash and cash equivalents:
Cash	26	1,497
Temporary cash investments	124,880	20,489
Total cash and cash equivalents	124,906	21,986
Restricted Cash and Cash Equivalents, Current	2,340	5,195
Accounts receivable:
Customer	119,885	88,468
Allowance for doubtful accounts	(933)	(1,484)
Other	39,732	24,416
Accrued unbilled revenues	90,934	72,771
Total accounts receivable	281,550	514,112
Deferred Fuel Cost	58,799	139,019
Fuel inventory - at average cost	48,970	50,847
Public Utilities, Inventory	146,412	123,020
Prepaid Expense and Other Assets, Current	41,518	35,232
TOTAL	704,495	889,411
OTHER PROPERTY AND INVESTMENTS
Non-utility property - at cost (less accumulated depreciation)	376	376
Other	15,246	15,068
TOTAL	15,752	15,658
PROPERTY, PLANT, AND EQUIPMENT
Electric	8,144,778	7,931,340
Construction work in progress	1,215,214	857,707
TOTAL PROPERTY, PLANT, AND EQUIPMENT	9,359,992	8,789,047
Less - accumulated depreciation and amortization	2,472,681	2,363,919
PROPERTY, PLANT, AND EQUIPMENT - NET	6,887,311	6,425,128
Regulatory assets:
Regulatory Asset, Noncurrent	556,409	596,606
Other	159,392	129,769
Deferred Costs and Other Assets	715,801	726,375
TOTAL ASSETS	8,323,359	8,056,572
CURRENT LIABILITIES
Accounts Payable	56,359	74,423
Accounts payable	238,679	195,703
Contract with Customer, Liability, Current	40,988	39,999
Taxes Payable, Current	57,732	78,887
Interest accrued	30,724	31,285
Other	23,979	16,237
TOTAL	448,461	436,534
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	843,464	814,905
Accumulated deferred investment tax credits	7,589	7,963
Regulatory Liability For Income Taxes - Net	103,806	114,759
Other regulatory liabilities	27,938	43,013
Decommissioning and asset retirement cost liabilities	17,228	11,743
Loss Contingency Accrual	8,096	9,480
Long-Term Debt, Excluding Current Maturities	3,216,909	3,225,092
Deferred Credits and Other Liabilities	405,276	274,421
TOTAL	4,630,306	4,501,376
Commitments and Contingencies
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares, Outstanding	46,525,000	46,525,000
Common Shareholders Equity [Abstract]
Common Stock, Value, Issued	$ 49,452	$ 49,452
Additional Paid in Capital, Common Stock	1,200,125	1,200,125
TOTAL	3,205,842	3,079,912
Equity, Attributable to Noncontrolling Interest	38,750	38,750
Retained Earnings (Accumulated Deficit)	1,956,265	1,830,335
TOTAL	3,244,592	3,118,662
TOTAL LIABILITIES AND EQUITY	8,323,359	8,056,572
Entergy Texas [Member] | Affiliated Entity [Member]
Accounts receivable:
Customer	31,932	329,941
Investment Owned, Fair Value	130	214
System Energy [Member]
Cash and cash equivalents:
Cash	240	60
Temporary cash investments	30,838	0
Total cash and cash equivalents	31,078	60
Accounts receivable:
Customer	71,436	54,544
Other	4,542	6,861
Total accounts receivable	75,978	61,405
Public Utilities, Inventory	164,087	155,565
Prepaid Expense and Other Assets, Current	8,512	3,373
Deferred nuclear refueling outage costs	28,625	8,603
TOTAL	308,280	229,006
OTHER PROPERTY AND INVESTMENTS
Decommissioning trust funds	1,450,321	1,342,317
TOTAL	1,450,321	1,342,317
PROPERTY, PLANT, AND EQUIPMENT
Electric	5,597,910	5,495,728
Construction work in progress	84,886	130,866
Nuclear fuel	205,975	160,655
TOTAL PROPERTY, PLANT, AND EQUIPMENT	5,888,771	5,787,249
Less - accumulated depreciation and amortization	3,525,638	3,493,299
PROPERTY, PLANT, AND EQUIPMENT - NET	2,363,133	2,293,950
Regulatory assets:
Regulatory Asset, Noncurrent	425,182	446,360
Other	12,895	730
Deferred Costs and Other Assets	438,077	447,090
TOTAL ASSETS	4,559,811	4,312,363
CURRENT LIABILITIES
Currently maturing long-term debt	72	57
Accounts Payable	187,787	118,523
Accounts payable	43,623	73,580
Taxes Payable, Current	8,100	27,401
Interest accrued	12,334	12,954
Other	4,351	4,354
TOTAL	256,267	236,869
NON-CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net	434,863	405,744
Accumulated deferred investment tax credits	45,278	46,960
Regulatory Liability For Income Taxes - Net	106,805	107,458
Other regulatory liabilities	668,309	782,912
Decommissioning and asset retirement cost liabilities	1,105,756	1,084,234
Pension and other postretirement liabilities	24,711	19,491
Long-Term Debt, Excluding Current Maturities	822,762	738,402
Deferred Credits and Other Liabilities	555	1,754
TOTAL	3,209,039	3,186,955
Commitments and Contingencies
Common Stock, Shares, Outstanding	789,350	789,350
Common Shareholders Equity [Abstract]
Common Stock, Value, Issued	$ 1,066,850	$ 916,850
Retained Earnings (Accumulated Deficit)	27,655	(28,311)
TOTAL	1,094,505	888,539
TOTAL LIABILITIES AND EQUITY	$ 4,559,811	$ 4,312,363