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Inventories (Tables)
6 Months Ended
Jun. 30, 2021
Inventories  
Components of inventories

As of

As of

 

(in millions)

    

June 30, 2021

    

December 31, 2020

 

Finished and in process

 

$

593

 

$

584

Raw materials

 

359

 

236

Manufacturing supplies and other

 

102

 

97

Total inventories

 

$

1,054

 

$

917