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INVENTORIES (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Summary of Inventories
Inventories as of September 30, 2021 and December 31, 2020 consist of the following:
September 30, 2021December 31, 2020
(in millions)
Raw materials$2,108 $1,525 
Work-in-process1,461 622 
Finished goods4,118 3,875 
Total inventories$7,687 $6,022