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Inventories
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consist of (table in millions):
 
June 30,
2015
 
December 31,
2014
Work-in-process
$
551

 
$
627

Finished goods
673

 
649

 
$
1,224

 
$
1,276