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Inventories
9 Months Ended
Sep. 30, 2019
Inventories  
Inventories

11. Inventories

Inventories are summarized as follows:

As of

As of

 

(in millions)

    

September 30, 2019

    

December 31, 2018

 

Finished and in process

 

$

535

 

$

522

Raw materials

 

289

 

250

Manufacturing supplies and other

 

55

 

52

Total inventories

 

$

879

 

$

824