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Inventories
9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following (in millions):
September 30, 2023December 31, 2022
Raw materials$849 $828 
Work in process2,992 3,098 
Finished goods1,185 1,004 
Total inventories$5,026 $4,930