Equity (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Stock options, Shares	200,000	100,000
Stock options $/share	$ 0	$ 0
Restricted stock, Shares	500,000	400,000
Restricted stock $/share	$ 0	$ 0
Basic earnings per share
Net income (loss) attributable to Entergy Corporation, Income	$ 132,761	$ 82,605
Net Income Attributable to Entergy Corporation, Shares	180,707,575	179,335,063
Net Income Attributable to Entergy Corporation, $/share	$ 0.7346731314	$ 0.46
Diluted earnings per share, Shares	181,431,968	179,842,053
Diluted earnings per share $/share	$ 0.73	$ 0.46