v2.4.0.6
Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Summary of Significant Accounting Policies [Line Items]    
Weighted-average shares of common stock outstanding excluded from the computation of diluted net income per share because their effect was antidilutive 10.9 22.1
Total Southern European Accounts Receivable $ 1,250,000,000  
Total Southern European Accounts Receivable Greater Than 120 Days 719,500,000  
Total Southern European Accounts Receivable Greater Than 365 Days $ 313,300,000  
May 2011 Notes [Member]
    
Summary of Significant Accounting Policies [Line Items]    
Conversion price of notes $ 38.75  
Warrants exercise price 50.80  
May 2013 Notes [Member]
    
Summary of Significant Accounting Policies [Line Items]    
Conversion price of notes $ 38.10  
Warrants exercise price 53.90  
May 2014 Notes [Member]
    
Summary of Significant Accounting Policies [Line Items]    
Conversion price of notes $ 45.08  
Warrants exercise price 56.76  
May 2016 Notes [Member]
    
Summary of Significant Accounting Policies [Line Items]    
Conversion price of notes $ 45.41  
Warrants exercise price 60.10