Statements of Changes in Equity and Comprehensive Income (ENTERGY GULF STATES LOUISIANA, L.L.C.) (Parenthetical) (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Other comprehensive income, defined benefit plans, tax	$ 3,057	$ 2,541
Entergy Gulf States Louisiana, L.L.C. | Accumulated Other Comprehensive Income (Loss)
Other comprehensive income, defined benefit plans, tax	1,015	1,048
Accumulated Other Comprehensive Income (Loss)
Other comprehensive income, defined benefit plans, tax	3,057	2,541
Entergy Gulf States Louisiana, L.L.C.
Other comprehensive income, defined benefit plans, tax		$ 1,048