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Inventories
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Inventories
10. Inventories
The components of inventory are as follows:
June 30,December 31,
(MILLIONS OF DOLLARS)20202019
Finished goods$790  $701  
Work-in-process570  511  
Raw materials and supplies224  198  
Inventories$1,584  $1,410