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Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Summary of Inventories
Inventories, net of reserves, consisted of the following:
    
September 30,
2020
    
December 31,
2019
 
    
(U.S. $ in millions)
 
Finished products
   $ 2,384      $ 2,504  
Raw and packaging materials
     1,334        1,183  
Products in process
     635        583  
Materials in transit and payments on account
     163        151  
  
 
 
    
 
 
 
Total
   $ 4,516      $ 4,422