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Inventories
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are stated at the lower of cost or net realizable value, with cost principally determined under the first-in first-out ("FIFO") or average cost method.

September 30, 2021December 31, 2020
Raw materials and supplies$1,039 $800 
Work in process113 89 
Finished goods518 374 
$1,670 $1,263