Equity (Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,846,026		$ 3,395,196		$ 5,827,085	$ 6,273,122
Other Nonoperating Income (Expense)	(48,544)		35,578		(102,997)	43,182
Income taxes (benefits)	(134,796)		359,643		(55,821)	293,145
Consolidated net income	392,014	$ 312,299	164,011	$ 279,593	704,312	443,604
Competitive Businesses [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	27,279		88,933		60,347	238,722
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Consolidated net income	3,292		(8,453)		1,265	(20,293)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other Nonoperating Income (Expense)	0		(48)		0	(97)
INCOME (LOSS) BEFORE INCOME TAXES	0		(48)		0	(97)
Income taxes (benefits)	0		10		0	20
Consolidated net income	0		(38)		0	(77)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income taxes (benefits)	0		1,380		0	3,402
Consolidated net income	0		(2,370)		0	(5,843)
Realized Investment Gains (Losses)	0		(3,750)		0	(9,245)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior-service credit	3,398		3,837		6,795	7,674
Amortization of loss	1,633		(10,979)		3,295	(24,904)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(674)		(545)		(8,490)	(1,327)
INCOME (LOSS) BEFORE INCOME TAXES	4,357		(7,687)		1,600	(18,557)
Income taxes (benefits)	(1,065)		1,642		(335)	4,184
Consolidated net income	3,292		(6,045)		1,265	(14,373)
Entergy Louisiana [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,205,612		1,515,785		2,550,820	2,781,757
Other Nonoperating Income (Expense)	(42,583)		36,986		(90,668)	52,503
Income taxes (benefits)	(68,561)		307,231		42,268	276,442
Consolidated net income	263,260	$ 244,024	316,659	$ 150,860	507,284	467,519
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior-service credit	951		1,158		1,902	2,316
Amortization of loss	1,564		(308)		3,129	(627)
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment	(89)		(178)		(1,529)	(178)
INCOME (LOSS) BEFORE INCOME TAXES	2,426		672		3,502	1,511
Income taxes (benefits)	(653)		(181)		(943)	(407)
Consolidated net income	$ 1,773		$ 491		$ 2,559	$ 1,104