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Inventories
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories
Note 4. Inventories

Inventories are stated at the lower of cost or market, with cost determined using first-in, first-out and average cost methods for different components of inventory. Inventories at September 30, 2020 and December 31, 2019 consisted of the following:
September 30, 2020December 31, 2019
Raw materials and supplies$142 $166 
Work in process45 49 
Finished goods251 298 
Total$438 $513