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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, 2021
Dec. 31, 2020
Dec. 31, 2019
Basic earnings per share      
Net Income (Loss) Attributable to Parent $ 1,118,492 $ 1,388,334 $ 1,241,226
Net Income Attributable to Entergy Corporation, Shares 200,941,511 200,106,945 195,195,858
Basic earnings per share (in usd per share) $ 5.57 $ 6.94 $ 6.36
Average dilutive effect of:      
Stock options, Shares 400,000 500,000 600,000
Stock options $/share $ (0.01) $ (0.02) $ (0.02)
Average Dilutive Effect Of Restricted Stock Shares 600,000 500,000 800,000
Average Dilutive Effect Of Restricted Stock Per Share $ (0.02) $ (0.02) $ (0.03)
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements 0 0 400,000
Average Dilutive Effect Of Equity Forwards $ 0 $ 0 $ (0.01)
Diluted earnings per share, Shares 201,873,024 201,102,220 196,999,284
Diluted earnings per share (in usd per share) $ 5.54 $ 6.90 $ 6.30