v2.4.0.6
Income Taxes (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Income Taxes [Line Items]        
Reduction in current income tax payable attributable to stock-based compensation $ 21,000,000 $ 23,000,000 $ 10,000,000  
Reduction of goodwill related to stock options exercised 1,000,000 1,000,000 1,000,000  
Net operating loss carryforwards valuation allowance 23,000,000      
Undistributed earnings of foreign subsidiaries 390,000,000      
Recorded value of net operating loss carryforwards, valuation allowance   (15,000,000)    
Income tax examination, years no longer under examination years prior to August 2003      
Unrecognized tax benefits 81,682,000 68,536,000 187,075,000 177,000,000
Portion of tax benefits included in other long-term liabilities 80,000,000      
Unrecognized tax benefits that would impact effective tax rate 75,000,000 46,000,000    
Effective interest rate of federal statutory income tax rate 35.00% 35.00% 35.00%  
Worthless stock deduction     23,124,000  
Uncertain tax positions, interest and penalties 14,000,000 13,000,000    
Interest (income) expense, net of federal benefit and penalties 2,000,000 (11,000,000) (1,000,000)  
Federal [Member]
        
Income Taxes [Line Items]        
Net operating loss carryforwards 6,000,000      
Foreign [Member]
        
Income Taxes [Line Items]        
Net operating loss carryforwards 78,000,000      
Indefinite foreign net operating loss carryforwards 71,000,000      
Foreign net operating loss carryforwards subject to expiration 7,000,000      
Foreign [Member] | Maximum [Member]
        
Income Taxes [Line Items]        
Net operating loss carryforwards expiration dates 2031      
Foreign [Member] | Minimum [Member]
        
Income Taxes [Line Items]        
Net operating loss carryforwards expiration dates 2012      
State And Local [Member]
        
Income Taxes [Line Items]        
Net operating loss carryforwards 34,000,000      
Federal And State [Member] | Maximum [Member]
        
Income Taxes [Line Items]        
Net operating loss carryforwards expiration dates 2031      
Federal And State [Member] | Minimum [Member]
        
Income Taxes [Line Items]        
Net operating loss carryforwards expiration dates 2012      
FY 2005 Through FY 2007 Audit Results [Member]
        
Income Taxes [Line Items]        
Decreased liability for uncertain tax positions   152,000,000    
Decrease in provision for income taxes   16,000,000    
Increase in additional paid-in capital   $ 112,000,000