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Inventories, Net (Tables)
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventories, Net

December 31, 

    

2020

    

2019

(in millions)

Raw materials

$

183

$

206

Work in process

 

83

 

94

Finished goods

 

1,314

 

1,495

$

1,580

$

1,795