Equity (Schedule of Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other Nonoperating Income (Expense)	$ (43,722)		$ (342,549)		$ (28,996)	$ (393,294)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax	2,551		1,641		5,102	3,037
Income Tax Expense (Benefit)	(138,399)		(33,634)		(238,440)	(54,627)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	4,602		(246,489)		8,331	(242,821)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	471,954	$ 362,422	51,732	$ 76,536	834,376	128,268
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	4,602		(246,489)		8,331	(242,821)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension and other postretirement plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	3,462		3,473		6,924	6,946
Defined Benefit Plan, Amortization of Gain (Loss)	2,551		1,641		5,102	3,037
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0		(316,974)		0	(316,974)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax	6,013		(311,860)		12,026	(306,991)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax	1,411		(65,371)		3,695	(64,170)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	4,602		(246,489)		8,331	(242,821)
Entergy Louisiana [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other Nonoperating Income (Expense)	(33,797)		(20,646)		(16,726)	(67,821)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax	1,719		1,632		3,438	3,266
Income Tax Expense (Benefit)	(72,541)		(20,750)		(126,603)	(59,674)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	2,132		2,023		3,103	4,047
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	300,180	$ 254,197	131,114	$ 182,723	554,377	313,837
Entergy Louisiana [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension and other postretirement plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	1,136		1,136		2,272	2,272
Defined Benefit Plan, Amortization of Gain (Loss)	1,719		1,632		3,438	3,266
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax	2,855		2,768		5,710	5,538
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax	723		745		2,607	1,491
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	2,132		2,023		3,103	4,047
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 2,132		$ 2,023		$ 3,103	$ 4,047