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Inventories
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Inventories
Note 3. Inventories

Inventories consisted of the following:
As of March 31, 2021As of December 31, 2020
 (in millions)
Raw materials$766 $718 
Finished product1,990 2,059 
2,756 2,777 
Inventory reserves(121)(130)
Inventories, net$2,635 $2,647