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Inventories
 9 Months Ended
Sep. 30, 2016
Inventories  
Inventories

7.     Inventories

 

 

 

 

 

 

 

 

 

 

 

 

 

September 30,

 

December 31,

 

($ in millions)

    

2016

    

2015

 

 

 

 

 

 

 

 

 

Raw materials and supplies

 

$
626

 

$
438

 

Work-in-process and finished goods

 

 
834

 

 
504

 

Less inventory reserves

 

 
(42)

 

 
(44)

 

 

 

$
1,418

 

$
898