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Inventories
9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following:
Millions of dollarsSeptember 30,
2022
December 31,
2021
Finished products and parts$1,764 $1,380 
Raw materials and supplies954 890 
Work in process124 91 
Total inventories$2,842 $2,361