Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flow hedges net unrealized gain (loss), tax expense (benefit)	$ 5,830	$ (22,570)	$ (55,298)
Pension and other postretirement liabilities, tax expense	30,299	(4,057)	(3,952)
Net unrealized investment gains, tax expense	6,393	80,069	57,277
Foreign currency translation, tax expense	0	(403)	(689)
Entergy Louisiana [Member]
Pension and other postretirement liabilities, tax expense	$ 17,743	$ 234	$ 5,034