Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flow hedges net unrealized gain (loss), tax expense (benefit)	$ 96,141	$ (87,940)	$ (55,750)
Pension and other postretirement liabilities, tax expense	(152,763)	220,899	(61,223)
Net unrealized investment gains, tax expense	66,594	118,878	61,104
Foreign currency translation, tax expense	(404)	131	275
Entergy Gulf States Louisiana [Member]
Pension and other postretirement liabilities, tax expense	(15,777)	34,126	8,732
Entergy Louisiana [Member]
Pension and other postretirement liabilities, tax expense	$ (10,207)	$ 30,591	$ 5,095