Income Taxes (Schedule Of Statutory Income Tax Rate To Income Before Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Utility Restructuring	$ 0	$ (27,108)	$ 0
IRS Audit Adjustment	0	0	(301,041)
Net Income (Loss) Attributable to Parent	1,103,166	1,118,492	1,388,334
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	(6,028)	227	18,319
Consolidated net income	1,097,138	1,118,719	1,406,653
Income Tax Expense (Benefit)	(38,978)	191,374	(121,506)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	1,058,160	1,310,093	1,285,147
Computed at statutory rate (35%)	222,214	275,120	269,881
State income taxes net of federal income tax effect	61,368	79,273	60,087
Regulatory differences - utility plant items	(32,143)	(57,556)	(53,229)
Equity component of AFUDC	(14,156)	(14,799)	(25,080)
Amortization of investment tax credits	(7,740)	(7,695)	(8,386)
Flow-through / permanent differences	1,011	(5,585)	11,099
Amortization of Excess ADIT	(34,899)	(66,478)	(59,629)
Income Tax Reconciliation Provision For Uncertain Tax Positions	34,423	16,533	15,208
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	(2,754)	(2,600)	0
Other - net	$ 3,656	$ 2,269	$ 4,398
Effective Income Tax Rate	(3.70%)	14.60%	(9.50%)
Increase (Reduction) in income tax resulting from Entergy Wholesale Commodities restructuring	$ 0	$ 0	$ (9,223)
Effective Income Tax Rate Reconciliation, Fitzpatrick Disposition, Amount	0	0	25,591
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Charitable Contributions, Amount	282,620	0	0
Net operating loss recognition	12,662	0	0
Entergy Arkansas [Member]
Utility Restructuring	0
IRS Audit Adjustment	0	0	(6,351)
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	(4,358)	(18,092)	0
Consolidated net income	292,887	298,484	245,232
Income Tax Expense (Benefit)	80,896	75,195	47,777
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	373,783	373,679	293,009
Income before income taxes	373,783	373,679	293,009
Computed at statutory rate (35%)	78,494	78,473	61,532
State income taxes net of federal income tax effect	17,981	19,633	16,256
Regulatory differences - utility plant items	(12,466)	(16,078)	(8,034)
Equity component of AFUDC	(3,437)	(3,207)	(3,154)
Amortization of investment tax credits	(1,201)	(1,201)	(1,201)
Flow-through / permanent differences	106	(814)	(2,219)
Amortization of Excess ADIT	0	(5,845)	6,011
Arkansas and Louisiana rate changes		398
Income Tax Reconciliation Provision For Uncertain Tax Positions	1,600	2,766	1,200
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	1,258
Other - net	$ 1,077	$ 717	$ 711
Effective Income Tax Rate	21.60%	20.10%	16.30%
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	$ 353	$ 0
Settlement on Treatment of Regulatory Obligations			(4,952)
Entergy Louisiana [Member]
Utility Restructuring	0
IRS Audit Adjustment	(289,609)	(26,801)	(471,702)
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	1,366	0	0
Consolidated net income	855,870	653,984	1,082,352
Income Tax Expense (Benefit)	(162,853)	120,409	(382,324)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	693,017	774,393	700,028
Income before income taxes	693,017	774,393	700,028
Computed at statutory rate (35%)	145,534	162,623	147,006
State income taxes net of federal income tax effect	44,244	41,030	38,182
Regulatory differences - utility plant items	(6,347)	(14,123)	(23,819)
Equity component of AFUDC	(5,513)	(6,016)	(8,012)
Amortization of investment tax credits	(4,720)	(4,729)	(4,811)
Flow-through / permanent differences	3,467	(2,655)	1,404
Amortization of Excess ADIT	(13,164)	(24,323)	26,293
Arkansas and Louisiana rate changes		(6,126)
Income Tax Reconciliation Provision For Uncertain Tax Positions	400	0	300
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 1,590	$ 1,229	$ 1,220
Effective Income Tax Rate	(23.50%)	15.50%	(54.60%)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ (38,735)	$ 300	$ (26,795)
Settlement on Treatment of Regulatory Obligations			(9,004)
Entergy Mississippi [Member]
Utility Restructuring	0
IRS Audit Adjustment	0	0	(3,768)
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	(21,355)	0	0
Consolidated net income	176,267	166,834	140,583
Income Tax Expense (Benefit)	54,864	45,323	27,190
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	231,131	212,157	167,773
Income before income taxes	231,131	212,157	167,773
Computed at statutory rate (35%)	48,538	44,553	35,232
State income taxes net of federal income tax effect	9,659	9,305	6,917
Regulatory differences - utility plant items	(7,726)	(8,133)	(7,441)
Equity component of AFUDC	(1,286)	(1,701)	(1,412)
Amortization of investment tax credits	(223)	64	(540)
Flow-through / permanent differences	4,837	124	(102)
Amortization of Excess ADIT	0	0	18
Arkansas and Louisiana rate changes		395
Income Tax Reconciliation Provision For Uncertain Tax Positions	700	0	800
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 365	$ 251	$ 249
Effective Income Tax Rate	23.70%	21.40%	16.20%
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	$ 465	$ 0
Settlement on Treatment of Regulatory Obligations			(2,763)
Entergy New Orleans [Member]
Utility Restructuring	0
IRS Audit Adjustment	0	0	(6,819)
Consolidated net income	64,101	31,798	49,338
Income Tax Expense (Benefit)	24,277	5,936	(4,207)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	88,378	37,734	45,131
Income before income taxes	88,378	37,734	45,131
Computed at statutory rate (35%)	18,559	7,924	9,478
State income taxes net of federal income tax effect	6,733	2,579	2,606
Regulatory differences - utility plant items	(1,908)	(4,332)	(3,442)
Equity component of AFUDC	(174)	(498)	(1,331)
Amortization of investment tax credits	175	(56)	(61)
Flow-through / permanent differences	230	1,559	498
Amortization of Excess ADIT	(752)	(1,028)	4,564
Arkansas and Louisiana rate changes		(1,569)
Income Tax Reconciliation Provision For Uncertain Tax Positions	1,200	0	800
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 214	$ 157	$ 154
Effective Income Tax Rate	27.50%	15.70%	(9.30%)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	$ 1,200	$ 0
Settlement on Treatment of Regulatory Obligations			(1,526)
Entergy Texas [Member]
Utility Restructuring	0
IRS Audit Adjustment	0	0	(2,091)
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	2,072	1,909	1,882
Consolidated net income	303,327	228,824	215,073
Income Tax Expense (Benefit)	50,621	25,526	3,042
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	353,948	254,350	218,115
Income before income taxes	353,948	254,350	218,115
Computed at statutory rate (35%)	74,329	53,413	45,804
State income taxes net of federal income tax effect	2,175	1,553	1,460
Regulatory differences - utility plant items	(3,010)	(2,115)	(7,673)
Equity component of AFUDC	(2,841)	(2,077)	(9,255)
Amortization of investment tax credits	(614)	(617)	(617)
Flow-through / permanent differences	765	(475)	766
Amortization of Excess ADIT	(20,983)	(21,929)	22,780
Arkansas and Louisiana rate changes		216
Income Tax Reconciliation Provision For Uncertain Tax Positions	420	0	0
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 380	$ 273	$ 270
Effective Income Tax Rate	14.30%	10.00%	1.40%
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	$ (2,716)	$ 0
Settlement on Treatment of Regulatory Obligations			(2,842)
System Energy [Member]
Utility Restructuring	12,662
IRS Audit Adjustment	0	0	(2,925)
Consolidated net income	(276,593)	106,814	99,131
Income Tax Expense (Benefit)	(92,828)	(1,977)	20,543
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(369,421)	104,837	119,674
Income before income taxes	(369,421)	104,837	119,674
Computed at statutory rate (35%)	(77,578)	22,016	25,132
State income taxes net of federal income tax effect	(16,727)	5,385	5,524
Regulatory differences - utility plant items	(686)	(12,776)	(2,821)
Equity component of AFUDC	(905)	(1,300)	(1,916)
Amortization of investment tax credits	(1,155)	(1,155)	(1,155)
Flow-through / permanent differences	(641)	(1,235)	(421)
Amortization of Excess ADIT	0	(13,354)	0
Arkansas and Louisiana rate changes		115
Income Tax Reconciliation Provision For Uncertain Tax Positions	(8,000)	0	300
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 202	$ 127	$ 125
Effective Income Tax Rate	25.10%	(1.90%)	17.20%
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	$ 200	$ 0
Settlement on Treatment of Regulatory Obligations			$ (1,300)