Equity (Schedule of Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other Nonoperating Income (Expense)		$ (66,932)			$ (18,018)			$ (460,226)	$ (121,014)
Income Tax Expense (Benefit)	$ (9,000)	(215,475)			(226,997)			(270,103)	(282,818)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax		4,176			2,434			(238,645)	3,699
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		645,754	$ 51,732	$ 76,536	669,714	$ 392,014	$ 312,299	774,022	1,374,026
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		4,176			2,434			(238,645)	3,699
Reclassification out of Accumulated Other Comprehensive Income [Member] | Net Periodic Pension And Other Postretirement Benefit Costs [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)		3,473			3,396			10,419	10,191
Defined Benefit Plan, Amortization of Gain (Loss)		2,130			1,700			5,167	4,994
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		0			(1,919)			(316,974)	(10,408)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax		5,603			3,177			(301,388)	4,777
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax		1,427			743			(62,743)	1,078
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax		4,176			2,434			(238,645)	3,699
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		4,176			2,434			(238,645)	3,699
Entergy Louisiana [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other Nonoperating Income (Expense)		(38,689)			(6,411)			(106,510)	(97,079)
Income Tax Expense (Benefit)		(102,303)			(103,889)			(161,977)	(61,621)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax		2,024			1,829			6,071	4,388
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		349,795	$ 131,114	$ 182,723	359,307	$ 263,260	$ 244,024	663,632	866,591
Entergy Louisiana [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Net Periodic Pension And Other Postretirement Benefit Costs [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)		1,136			951			3,408	2,853
Defined Benefit Plan, Amortization of Gain (Loss)		1,634			1,574			4,900	4,703
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment		0			(22)			0	(1,551)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax		2,770			2,503			8,308	6,005
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax		746			674			2,237	1,617
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax		2,024			1,829			6,071	4,388
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		2,024			1,829			6,071	4,388
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		$ 2,024			$ 1,829			$ 6,071	$ 4,388