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Inventories (Tables)
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Components of Inventories
The components of Inventories, net are as follows (in millions): 
 
December 31,
2018
 
December 31,
2017
Raw material
$
125

 
$
116

Work in process
3

 
1

Finished goods
392

 
341

Total
$
520

 
$
458