Business Segment Information Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2017
Segment Reporting Information [Line Items]
Asset Write-Offs, Impairments, And Related Charges	$ 26,379	$ 226,678	$ 491,739
Entergy Wholesale Commodities [Member]
Segment Reporting Information [Line Items]
Restructuring costs incurred, pre-tax	71,000	91,000	139,000
Asset Write-Offs, Impairments, And Related Charges	19,000	290,000	532,000
Restructuring Reserve	159,000	143,000	193,000			$ 97,000
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	71,000	91,000	139,000
Restructuring Reserve	$ 145,000	$ 129,000	$ 179,000			$ 83,000
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				$ 15,000	$ 40,000