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Inventories, Net (Tables)
3 Months Ended
Mar. 31, 2021
Inventories, Net  
Schedule of inventories

March 31,

December 31,

($ in millions)

2021

    

2020

Raw materials and supplies

$

868

$

889

Work-in-process and finished goods

624

557

Less: Inventory reserves

(93)

(93)

$

1,399

$

1,353