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Inventories, Net (Tables)
 3 Months Ended
Mar. 31, 2019
Inventories, Net  
Schedule of inventories

 

 

 

 

 

 

 

 

 

March 31,

 

December 31,

($ in millions)

    

2019

    

2018

 

 

 

 

 

 

 

Raw materials and supplies

 

$

690

 

$

727

Work-in-process and finished goods

 

 

656

 

 

614

Less inventory reserves

 

 

(71)

 

 

(70)

 

 

$

1,275

 

$

1,271