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Inventories (Tables)
6 Months Ended
Jun. 30, 2021
Inventory, Net, Items Net of Reserve Alternative [Abstract]  
Inventories by Major Class
Inventories by major class are as follows:
June 30,
2021
December 31,
2020
Raw materials and supplies$470 $454 
Work-in-process48 45 
Finished goods1,275 1,256 
       Total Inventories, net$1,793 $1,755 
            Non-current inventory, net$(93)$(82)
              Current Inventories, net$1,700 $1,673