Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Cash flow hedges net unrealized gain (loss), tax expense (benefit)	$ (41,135)	$ 75,494
Pension and other postretirement liabilities, tax expense	5,869	3,876
Net unrealized investment gains, tax expense	54,311	49,138
Foreign currency translation, tax expense	(416)	167
Entergy Gulf States Louisiana [Member]
Pension and other postretirement liabilities, tax expense	786	781
Entergy Louisiana [Member]
Pension and other postretirement liabilities, tax expense	$ 547	$ 470

- Definition

Tax effect, net of reclassification adjustments, of the change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity. Also includes the following: gain (loss) on foreign currency forward exchange contracts; foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; and gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) that has been designated and qualified as a hedging instrument for hedging of the foreign currency exposure of a net investment in a foreign operation.

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