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Debt (Tables)
6 Months Ended
Jun. 30, 2017
Debt Disclosure [Abstract]  
Debt

Debt consists of (in millions):

 

     June 30,      December 31,  
     2017      2016  

$500 million in Senior Notes, interest at 1.35% payable semiannually, principal due on December 1, 2017

   $ 499      $ 499  

$1.4 billion in Senior Notes, interest at 2.60% payable semiannually, principal due on December 1, 2022

     1,392        1,391  

$1.1 billion in Senior Notes, interest at 3.95% payable semiannually, principal due on December 1, 2042

     1,087        1,087  

Other

     236        237  
  

 

 

    

 

 

 

Total debt

     3,214        3,214  

Less current portion

     506        506  
  

 

 

    

 

 

 

Long-term debt

   $ 2,708      $ 2,708