XML 23 R11.htm IDEA: XBRL DOCUMENT v3.8.0.1
Inventories
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consist of the following components:
 
March 31
 
December 31
 
2018
 
2017
 
(Dollars in Millions)
Raw materials
$
141

 
$
109

Work-in-process
25

 
49

Finished products
33

 
31

 
$
199

 
$
189