Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net Income Attributable to Entergy Corporation, Shares	211,459,244	203,445,773	211,420,117	203,259,373
Net Income Attributable to Entergy Corporation, $/share	$ 3.15	$ 2.76	$ 6.47	$ 4.90
Diluted earnings per share, Shares	212,238,117	204,578,013	212,195,735	204,357,916
Diluted earnings per share $/share	$ 3.14	$ 2.74	$ 6.45	$ 4.88
Net Income (Loss)	$ 666.8	$ 560.6	$ 1,368.9	$ 996.7
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,305,354	926,403	1,138,384	937,350
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,305,354	926,403	1,138,384	937,350
Employee Stock Option [Member]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	200,000	500,000	300,000	500,000
Average Dilutive Effect Of Stock Options Per Share	$ 0	$ (0.01)	$ (0.01)	$ (0.01)
Restricted Stock Units (RSUs) [Member]
Restricted stock, Shares	500,000	600,000	500,000	500,000
Restricted stock $/share	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)
Forward Contracts [Member]
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements	0	100,000	0	100,000
Average Dilutive Effect Of Equity Forwards	$ 0	$ 0	$ 0	$ 0