Equity (Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (189,727)	$ (336,578)	$ (191,754)	$ (332,528)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		11,839
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		(15,889)
Other comprehensive income (loss)	2,027	(4,050)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss		(5,248)		7,154
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		3,473
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		(15,875)
Other comprehensive income (loss)		(12,402)
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	2,027	(4,050)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(189,727)	(330,319)	(191,754)	(338,647)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	2,027	8,328
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		0
Other comprehensive income (loss)	2,027	8,328
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss		(1,011)		(1,035)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		38
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		(14)
Other comprehensive income (loss)		24
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	54,584		55,370
Other comprehensive income (loss)	(786)	(613)
Entergy Louisiana [Member] | Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	(786)	(613)
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	54,584	7,665	$ 55,370	$ 8,278
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(786)	(613)
Other comprehensive income (loss)	$ (786)	$ (613)