Summary Of Significant Accounting Policies (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Basic earnings per share
Net Income (Loss) Attributable to Parent	$ 1,103,166	$ 1,118,492	$ 1,388,334
Net Income Attributable to Entergy Corporation, Shares	204,450,354	200,941,511	200,106,945
Basic earnings per share (in usd per share)	$ 5.40	$ 5.57	$ 6.94
Average dilutive effect of:
Stock options, Shares	400,000	400,000	500,000
Stock options $/share	$ (0.01)	$ (0.01)	$ (0.02)
Average Dilutive Effect Of Restricted Stock Shares	500,000	600,000	500,000
Average Dilutive Effect Of Restricted Stock Per Share	$ (0.02)	$ (0.02)	$ (0.02)
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements	100,000	0	0
Average Dilutive Effect Of Equity Forwards	$ 0	$ 0	$ 0
Diluted earnings per share, Shares	205,547,578	201,873,024	201,102,220
Diluted earnings per share (in usd per share)	$ 5.37	$ 5.54	$ 6.90