Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flow hedges net unrealized gain (loss), tax expense (benefit)	$ (15,898)	$ 7,225
Pension and other postretirement liabilities, tax expense	3,175	17,761
Net unrealized investment gains, tax expense	3,666	5,748
Foreign currency translation, tax expense	(296)	40
Entergy Gulf States Louisiana [Member]
Pension and other postretirement liabilities, tax expense	289	101
Entergy Louisiana [Member]
Pension and other postretirement liabilities, tax expense	$ 1	$ 164