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Inventories (Tables)
9 Months Ended
Sep. 30, 2024
Inventory Disclosure [Abstract]  
Inventories
Inventories consisted of the following:
Millions of dollarsSeptember 30,
2024
December 31,
2023
Finished products and parts$1,987 $2,069 
Raw materials and supplies1,063 1,021 
Work in process144 136 
Total inventories$3,194 $3,226