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Inventories (Tables)
12 Months Ended
Dec. 31, 2016
Inventory Disclosure [Abstract]  
Components of Inventories
 
2016
 
2015
Raw materials and supplies
$
658

 
$
599

Work in process
116

 
129

Finished goods
471

 
485

 
$
1,245

 
$
1,213