Equity (Schedule of Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other Nonoperating Income (Expense)	$ (50,743)	$ (54,452)
Income Tax Expense (Benefit)	(20,994)	78,975
Consolidated net income	76,536	312,299
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Consolidated net income	3,668	(2,027)
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	3,397
Defined Benefit Plan, Amortization of Gain (Loss)	1,397	1,661
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	(7,816)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	4,870	(2,758)
Income Tax Expense (Benefit)	(1,202)	731
Consolidated net income	3,668	(2,027)
Entergy Louisiana [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other Nonoperating Income (Expense)	(47,175)	(48,085)
Income Tax Expense (Benefit)	(38,924)	110,829
Consolidated net income	182,723	244,024
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
Defined Benefit Plan, Amortization of Gain (Loss)	1,634	1,565
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment	0	(1,440)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	2,770	1,076
Income Tax Expense (Benefit)	(746)	(290)
Consolidated net income	$ 2,024	$ 786