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Inventories (Tables)
6 Months Ended
Jun. 30, 2018
Inventory, Net, Items Net of Reserve Alternative [Abstract]  
Inventories By Major Class
Inventories by major class are as follows:
 
June 30,
2018
 
December 31,
2017
Raw materials and supplies
$
251

 
$
267

Work-in-process
45

 
42

Finished goods
958

 
912

Total Inventories
$
1,254

 
$
1,221