Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	400,000	200,000
Stock options $/share	$ 0	$ 0
Restricted stock, Shares	500,000	500,000
Restricted stock $/share	$ (0.01)	$ 0
Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements	1,700,000	0
Average Dilutive Effect Of Equity Forwards	$ (0.01)	$ 0.00
Basic earnings per share
Net income (loss) attributable to Entergy Corporation, Income	$ 254,537	$ 132,761
Net Income Attributable to Entergy Corporation, Shares	189,575,187	180,707,575
Net Income Attributable to Entergy Corporation, $/share	$ 1.34	$ 0.73
Diluted earnings per share, Shares	192,234,191	181,431,968
Diluted earnings per share $/share	$ 1.32	$ 0.73