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Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Components of Net Inventories
Inventories are comprised of the following at the dates indicated (in millions):
March 31, 2020December 31, 2019
Raw materials and supplies$254  $231  
Work-in-process153  135  
Finished products1,293  1,240  
$1,700  $1,606