Income Taxes (Schedule Of Statutory Income Tax Rate To Income Before Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Utility Restructuring	$ (27,108)	$ 0	$ 0
IRS Audit Adjustment	0	(301,041)	0
Net Income (Loss) Attributable to Parent	1,118,492	1,388,334	1,241,226
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	227	18,319	17,018
Consolidated net income	1,118,719	1,406,653	1,258,244
Income Tax Expense (Benefit)	191,374	(121,506)	(169,825)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	1,310,093	1,285,147	1,088,419
Computed at statutory rate (35%)	275,120	269,881	228,568
State income taxes net of federal income tax effect	79,273	60,087	61,791
Regulatory differences - utility plant items	(57,556)	(53,229)	(45,336)
Equity component of AFUDC	(14,799)	(25,080)	(30,444)
Amortization of investment tax credits	(7,695)	(8,386)	(8,093)
Flow-through / permanent differences	(5,585)	11,099	(2,059)
Amortization of Excess ADIT	(66,478)	(59,629)	(205,614)
Income Tax Reconciliation Provision For Uncertain Tax Positions	16,533	15,208	7,332
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	(2,600)	0	59,345
Other - net	$ 2,269	$ 4,398	$ (1,062)
Effective Income Tax Rate	14.60%	(9.50%)	(15.60%)
Increase (Reduction) in income tax resulting from Entergy Wholesale Commodities restructuring	$ 0	$ (9,223)	$ (173,725)
Effective Income Tax Rate Reconciliation, Fitzpatrick Disposition, Amount	0	25,591	0
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Charitable Contributions, Amount	0	0	19,101
Net operating loss recognition	0	0	(41,427)
Entergy Arkansas [Member]
Utility Restructuring	398
IRS Audit Adjustment		6,351
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	(18,092)	0	0
Consolidated net income	298,484	245,232	262,964
Income Tax Expense (Benefit)	75,195	47,777	(46,769)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	373,679	293,009	216,195
Income before income taxes	373,679	293,009	216,195
Computed at statutory rate (35%)	78,473	61,532	45,401
State income taxes net of federal income tax effect	19,633	16,256	15,954
Regulatory differences - utility plant items	(16,078)	(8,034)	(10,627)
Equity component of AFUDC	(3,207)	(3,154)	(3,255)
Amortization of investment tax credits	(1,201)	(1,201)	(1,201)
Flow-through / permanent differences	(814)	(2,219)	696
Amortization of Excess ADIT	(5,845)	(6,011)	90,921
Income Tax Reconciliation Provision For Uncertain Tax Positions	353	1,200	(3,517)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	(2,766)
Other - net	$ 717	$ 711	$ 701
Effective Income Tax Rate	20.10%	16.30%	(21.60%)
Effective Income Tax Rate Reconciliation, Fitzpatrick Disposition, Amount		$ (4,952)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	0	$ 0
Entergy Louisiana [Member]
Utility Restructuring	(6,126)
IRS Audit Adjustment		471,702
Consolidated net income	653,984	1,082,352	691,537
Income Tax Expense (Benefit)	120,409	(382,324)	121,623
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	774,393	700,028	813,160
Income before income taxes	774,393	700,028	813,160
Computed at statutory rate (35%)	162,623	147,006	170,764
State income taxes net of federal income tax effect	41,030	38,182	42,854
Regulatory differences - utility plant items	(14,123)	(23,819)	(19,421)
Equity component of AFUDC	(6,016)	(8,012)	(15,545)
Amortization of investment tax credits	(4,729)	(4,811)	(4,871)
Flow-through / permanent differences	(2,655)	1,404	439
Amortization of Excess ADIT	(24,323)	(26,293)	28,531
Income Tax Reconciliation Provision For Uncertain Tax Positions	300	300	1,519
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 1,229	$ 1,220	$ 1,210
Effective Income Tax Rate	15.50%	(54.60%)	15.00%
Effective Income Tax Rate Reconciliation, Fitzpatrick Disposition, Amount		$ (9,004)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ (26,801)	(26,795)	$ (26,795)
Entergy Mississippi [Member]
Utility Restructuring	395
IRS Audit Adjustment		3,768
Consolidated net income	166,834	140,583	119,925
Income Tax Expense (Benefit)	45,323	27,190	30,866
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	212,157	167,773	150,791
Income before income taxes	212,157	167,773	150,791
Computed at statutory rate (35%)	44,553	35,232	31,666
State income taxes net of federal income tax effect	9,305	6,917	5,563
Regulatory differences - utility plant items	(8,133)	(7,441)	(5,556)
Equity component of AFUDC	(1,701)	(1,412)	(1,755)
Amortization of investment tax credits	64	(540)	(160)
Flow-through / permanent differences	124	(102)	160
Amortization of Excess ADIT	0	18	(203)
Income Tax Reconciliation Provision For Uncertain Tax Positions	465	800	500
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 251	$ 249	$ 245
Effective Income Tax Rate	21.40%	16.20%	20.50%
Effective Income Tax Rate Reconciliation, Fitzpatrick Disposition, Amount		$ (2,763)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	0	$ 0
Entergy New Orleans [Member]
Utility Restructuring	(1,569)
IRS Audit Adjustment		6,819
Consolidated net income	31,798	49,338	52,629
Income Tax Expense (Benefit)	5,936	(4,207)	186
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	37,734	45,131	52,815
Income before income taxes	37,734	45,131	52,815
Computed at statutory rate (35%)	7,924	9,478	11,091
State income taxes net of federal income tax effect	2,579	2,606	3,443
Regulatory differences - utility plant items	(4,332)	(3,442)	(1,532)
Equity component of AFUDC	(498)	(1,331)	(2,088)
Amortization of investment tax credits	(56)	(61)	(88)
Flow-through / permanent differences	1,559	498	(741)
Amortization of Excess ADIT	(1,028)	(4,564)	11,724
Income Tax Reconciliation Provision For Uncertain Tax Positions	1,200	800	1,672
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 157	$ 154	$ 153
Effective Income Tax Rate	15.70%	(9.30%)	0.40%
Effective Income Tax Rate Reconciliation, Fitzpatrick Disposition, Amount		$ (1,526)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	0	$ 0
Entergy Texas [Member]
Utility Restructuring	216
IRS Audit Adjustment		2,091
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	1,909	1,882	580
Consolidated net income	228,824	215,073	159,397
Income Tax Expense (Benefit)	25,526	3,042	(53,896)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	254,350	218,115	105,501
Income before income taxes	254,350	218,115	105,501
Computed at statutory rate (35%)	53,413	45,804	22,155
State income taxes net of federal income tax effect	1,553	1,460	360
Regulatory differences - utility plant items	(2,115)	(7,673)	(1,987)
Equity component of AFUDC	(2,077)	(9,255)	(5,973)
Amortization of investment tax credits	(617)	(617)	(617)
Flow-through / permanent differences	(475)	766	560
Amortization of Excess ADIT	(21,929)	(22,780)	69,091
Income Tax Reconciliation Provision For Uncertain Tax Positions	(2,716)	0	430
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 273	$ 270	$ 267
Effective Income Tax Rate	10.00%	1.40%	(51.10%)
Effective Income Tax Rate Reconciliation, Fitzpatrick Disposition, Amount		$ (2,842)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	0	$ 0
System Energy [Member]
Utility Restructuring	115
IRS Audit Adjustment		2,925
Consolidated net income	106,814	99,131	99,120
Income Tax Expense (Benefit)	(1,977)	20,543	15,349
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	104,837	119,674	114,469
Income before income taxes	104,837	119,674	114,469
Computed at statutory rate (35%)	22,016	25,132	24,039
State income taxes net of federal income tax effect	5,385	5,524	5,134
Regulatory differences - utility plant items	(12,776)	(2,821)	(6,213)
Equity component of AFUDC	(1,300)	(1,916)	(1,829)
Amortization of investment tax credits	(1,155)	(1,155)	(1,155)
Flow-through / permanent differences	(1,235)	(421)	(500)
Amortization of Excess ADIT	(13,354)	0	5,550
Income Tax Reconciliation Provision For Uncertain Tax Positions	200	300	1,300
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	0
Other - net	$ 127	$ 125	$ 123
Effective Income Tax Rate	(1.90%)	17.20%	13.40%
Effective Income Tax Rate Reconciliation, Fitzpatrick Disposition, Amount		$ (1,300)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 0	$ 0	$ 0