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Inventories, Net (Tables)
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Inventories, Net
Inventories, net consisted of the following:
March 31,
2021
December 31,
2020
Raw materials$168 $170 
Work-in-process106 103 
Finished goods, net581 668 
Materials and supplies, net197 196 
Inventories, net – current$1,052 $1,137