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Inventories
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Inventories

Note 9. Inventories

Inventories are comprised of the following (in millions).

 

     March 31,
2019
   December 31,
2018

Raw materials

    $  4,249       $  4,182  

Work in process and other

     2,678        2,625  

Finished manufactured goods

     4,789        4,541  

Goods acquired for resale

     7,738        7,721  
  

 

 

 

  

 

 

 

    $     19,454       $     19,069