Business Segment Information Narrative (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	May 31, 2021	Aug. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2022	Dec. 31, 2018
Segment Reporting Information [Line Items]
Asset Write-Offs, Impairments, And Related Charges			$ 263,599	$ 26,379	$ 226,678
Reduction in deferred income tax expense				230,000
Deferred Income Taxes and Tax Credits			248,719	(131,114)	193,950
Utility [Member]
Segment Reporting Information [Line Items]
Reduction in deferred income tax expense				396,000
Entergy Wholesale Commodities [Member]
Segment Reporting Information [Line Items]
Restructuring costs incurred, pre-tax			13,000	71,000	91,000
Asset Write-Offs, Impairments, And Related Charges			264,000	19,000	290,000
Restructuring Reserve			37,000	159,000	143,000		$ 193,000
Deferred Income Taxes and Tax Credits				105,000
Entergy Wholesale Commodities [Member] | Pilgrim [Member]
Segment Reporting Information [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property		$ 190,000
Reduction to income tax expense		$ 156,000
Reduction in income tax expense due to internal restructuring					156,000
Asset impairment excluding loss from sale of assets					100,000
Impairment of Long-Lived Assets Held-For-Use, Net of Tax					79,000
Entergy Wholesale Commodities [Member] | Indian Point Energy Center
Segment Reporting Information [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	$ 340,000
Reduction to income tax expense	$ 268,000
Parent & Other [Member]
Segment Reporting Information [Line Items]
Deferred Income Taxes and Tax Credits				61,000
Employee Retention and Severances Expenses and Other Benefits-Related Costs [Member] | Entergy Wholesale Commodities [Member]
Segment Reporting Information [Line Items]
Restructuring costs incurred, pre-tax			12,000	71,000	91,000
Restructuring Reserve			$ 37,000	$ 145,000	$ 129,000		$ 179,000
Employee Retention and Severances Expenses and Other Benefits-Related Costs [Member] | Entergy Wholesale Commodities [Member] | Subsequent Event [Member]
Segment Reporting Information [Line Items]
Restructuring Reserve						$ 5,000