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Inventories
 3 Months Ended
Mar. 31, 2016
Inventories  
Inventories

10.Inventories

 

Inventories are summarized as follows:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

At

 

At

 

 

 

March 31,

 

December 31,

 

(in millions)

    

2016

    

2015

 

Finished and in process

 

$
456

 

$
434

 

Raw materials

 

 
247

 

 
229

 

Manufacturing supplies and other

 

 
53

 

 
52

 

Total inventories

 

$
756

 

$
715