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Debt (Tables)
3 Months Ended
Mar. 31, 2016
Debt Disclosure [Abstract]  
Debt

Debt consists of (in millions):

 

     March 31,
2016
     December 31,
2015
 

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

   $ 499       $ 498   

Senior Notes, interest at 2.60% payable semiannually, principal due on December 1, 2022

     1,390         1,389   

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

     1,087         1,087   

Commercial paper

     207         890   

Other

     196         45   
  

 

 

    

 

 

 

Total debt

     3,379         3,909   

Less current portion

     7         2   
  

 

 

    

 

 

 

Long-term debt

   $ 3,372       $ 3,907