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Inventories
3 Months Ended
Mar. 31, 2020
Inventory, Gross [Abstract]  
Inventories
Inventories

Inventories are stated at the lower of cost or market, with cost principally determined under the first-in first-out ("FIFO") or average cost method.
 
March 31, 2020
 
December 31, 2019
Raw materials and supplies
$
916

 
$
905

Work in process
158

 
151

Finished goods
594

 
570

 
$
1,668

 
$
1,626