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Inventories
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventories InventoriesThe components of total inventories are summarized as follows:
(in millions)June 30,
2021
December 31,
2020
Finished goods$244 $221 
Work in process62 49 
Raw materials336 288 
Total inventories$642 $558