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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

6. Property, Plant and Equipment

Property, plant and equipment consist of (in millions):

 

     Estimated
Useful Lives
   December 31,  
        2017      2016  

Land and buildings

   5-35 Years    $ 1,592      $ 1,570  

Operating equipment

   3-15 Years      3,169        3,102  

Rental equipment

   3-12 Years      581        557  

Capital leases

   20-24 Years      219        219  
     

 

 

    

 

 

 
        5,561        5,448  

Less: Accumulated Depreciation

        (2,559      (2,298
     

 

 

    

 

 

 
      $ 3,002      $ 3,150