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Debt (Tables)
3 Months Ended
Mar. 31, 2013
Debt Disclosure [Abstract]  
Debt

Debt consists of (in millions):

 

     March 31,      December 31,  
     2013      2012  

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

   $ 151       $ 151   

Senior Notes, interest at 1.35% payable semiannually, principal due on December 1, 2017

     500         500   

Senior Notes, interest at 2.6% payable semiannually, principal due on December 1, 2022

     1,395         1,395   

Senior Notes, interest at 3.95% payable semiannually, principal due on December 1, 2042

     1,096         1,096   

Revolving Credit Facility, expires September 28, 2017

     1,200         —      

Other

     7         7   
  

 

 

    

 

 

 

Total debt

     4,349         3,149   

Less current portion

     —           1   
  

 

 

    

 

 

 

Long-term debt

   $ 4,349       $ 3,148