Revenue Recognition Revenue Recognition (Narrative) (Details) - $ / MWh	1 Months Ended	12 Months Ended
	May 31, 2018	Dec. 31, 2022	Dec. 31, 2018
System Energy [Member]
Percent Interest in Grand Gulf	11.50%		90.00%
Entergy Wholesale Commodities [Member] | Scenario, Forecast [Member] | Palisades [Member]
Price Under PPA Upper Range Per MWH		61.50