Inventories
 6 Months Ended
Jun. 30, 2017
Inventory, Net, Items Net of Reserve Alternative [Abstract]  
Inventories
Inventories

Inventories by major class are as follows:
 
June 30,
2017
 
December 31,
2016
Raw materials and supplies
$
241

 
$
266

Work-in-process
47

 
42

Finished goods
911

 
863

Total Inventories
$
1,199

 
$
1,171