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Inventories (Tables)
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Components of Inventory The components of inventory are as follows:
June 30,December 31,
(MILLIONS OF DOLLARS)20232022
Finished goods$1,129 $1,090 
Work-in-process1,074 825 
Raw materials and supplies498 430 
Inventories$2,701 $2,345