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Inventories, net (Tables)
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Inventories

Inventories consist of (in millions):

 

 

 

March 31,

 

 

December 31,

 

 

 

2021

 

 

2020

 

Raw materials and supplies

 

$

353

 

 

$

373

 

Work in process

 

 

232

 

 

 

189

 

Finished goods and purchased products

 

 

1,323

 

 

 

1,423

 

 

 

 

1,908

 

 

 

1,985

 

Less: Inventory reserve

 

 

(551

)

 

 

(577

)

Total

 

$

1,357

 

 

$

1,408