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Income Taxes
6 Months Ended
Jun. 30, 2011
Income Taxes [Abstract]  
INCOME TAXES
NOTE 10. INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)
     See Note 3 to the financial statements in the Form 10-K for a discussion of tax proceedings. Following are updates to that discussion.
Income Tax Litigation
     As discussed in more detail in the Form 10-K, in October 2010 the United States Tax Court entered a decision in favor of Entergy for tax years 1997 and 1998. There were two issues before the Court, depreciation of street lighting assets and the ability to credit the UK Windfall Tax as a foreign tax credit. The IRS has not appealed street lighting depreciation, but has appealed the foreign tax credit matter to the United States Court of Appeals for the Fifth Circuit.
Other Tax Matters
     During the second quarter 2011, Entergy effectively settled an uncertain tax position with the IRS resulting in the reversal of a provision for uncertain tax positions of approximately $41 million.
     During the second quarter 2011, Entergy filed an Application for Change in Accounting Method related to the allocation of overhead costs between production and non-production activity. The requested method is one that has been accepted for other public utilities by the IRS staff. The accounting method affects the amount of overhead that will be capitalized and deducted for tax purposes.