XML 12 R112.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Details Textual) (USD $)
6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Income Taxes (Textual) [Abstract]    
Net deferred tax is combination of deferred tax liabilities and valuation allowance $ 1,100,000,000 $ 900,000,000
Tax Reserve 302,000,000  
Accrued interest expenses to recognize the estimated tax exposure 125,000,000  
Unrecognized tax benefit, affect the effective tax rate 339,000,000 276,000,000
Accruals for payment of interest and penalties associated with uncertain tax positions $ 140,000,000 $ 130,000,000