XML 49 R38.htm IDEA: XBRL DOCUMENT v3.19.2
Inventories (Tables)
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory Components
 
June 30, 2019
 
December 31, 2018
Finished goods
$
701

 
$
668

Work-in-process
1,447

 
1,371

Purchased raw materials
361

 
366

Operating supplies
97

 
87

Total inventories
$
2,606

 
$
2,492