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Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Components of Net Inventories
Inventories are comprised of the following at the dates indicated (in millions):
September 30, 2021December 31, 2020
Raw materials and supplies$314 $252 
Work-in-process159 157 
Finished products1,625 1,229 
$2,098 $1,638