v2.4.0.6
Income Taxes (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Operating Loss Carryforwards [Line Items]        
Foreign pre-tax income $ 1,480,000,000 $ 1,370,000,000 $ 1,330,000,000  
Cumulative unremitted foreign earnings that are permanently invested 5,840,000,000 4,480,000,000    
Tax liability if remitted 2,050,000,000 1,600,000,000    
Change in valuation allowance (3,800,000) 11,900,000 1,100,000  
Tax credit carryforwards, expiration dates 2016      
Total federal, state and foreign unrecognized tax benefits 146,908,000 126,516,000 106,506,000 121,424,000
Unrecognized tax benefits that would impact effective tax rate 120,600,000 106,500,000    
Unrecognized tax benefits, accrued interest and penalties 17,700,000 12,300,000    
U.S. Federal [Member]
        
Operating Loss Carryforwards [Line Items]        
Net operating loss carryforwards 594,400,000      
Tax credit carryforwards 21,300,000      
Operating loss carryforwards, expiration date 2016      
State [Member]
        
Operating Loss Carryforwards [Line Items]        
Net operating loss carryforwards 1,450,000,000      
Tax credit carryforwards $ 27,500,000      
Operating loss carryforwards, expiration date 2012