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Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
(In millions)
2014
 
2013
Raw materials
$
535

 
$
592

Work in process
149

 
164

Finished goods
1,987

 
2,060

 
$
2,671

 
$
2,816