XML 39 R20.htm IDEA: XBRL DOCUMENT v3.10.0.1
Inventories
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consisted of the following (in millions):
 
December 31,
 
2018
 
2017
Raw materials
$
257

 
$
232

Work in process
1,660

 
1,668

Finished goods
1,023

 
934

Total inventories
$
2,940

 
$
2,834