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Debt (Tables)
6 Months Ended
Jun. 30, 2012
Debt [Abstract]  
Debt
                 
    June 30,     December 31,  
    2012     2011  

Senior Notes, interest at 5.65% payable semiannually, principal due on November 15, 2012

  $ 200     $ 200  

Senior Notes, interest at 5.5% payable semiannually, principal due on November 19, 2012

    150       150  

Senior Notes, interest at 6.125% payable semiannually, principal due on August 15, 2015

    151       151  

Revolving Credit Facility

    935       —    

Other

    12       9  
   

 

 

   

 

 

 

Total debt

    1,448       510  

Less current portion

    1,289       351  
   

 

 

   

 

 

 

Long-term debt

  $ 159     $ 159