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Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Inventory, Net, Items Net of Reserve Alternative [Abstract]  
Inventories by Major Class
Inventories by major class were as follows:
September 30,
2021
December 31,
2020
Raw materials and supplies$451 $454 
Work-in-process44 45 
Finished goods1,261 1,256 
       Total Inventories, net$1,756 $1,755 
            Non-current inventory, net$(86)$(82)
              Current Inventories, net$1,670 $1,673