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Inventories (Tables)
 3 Months Ended
Mar. 31, 2016
Inventories  
Inventories (in millions)

 

Inventories as of March 31, 2016 and December 31, 2015 consisted of the following (in millions):

 

 

2016

 

2015

 

 

 

 

 

 

 

 

 

Raw materials

 

$
77

 

$
73

 

Materials and supplies

 
504

 
568

 

Finished goods

 
466

 
395

 

 

 
1,047

 
1,036

 

 

 

 

 

 

 

Revaluation to LIFO

 
(50)

 
(50)

 

Total

 

$
997

 

$
986