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Inventories
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Inventories
(3) Inventories

Inventories consisted of the following:
(in millions)March 31, 2023December 31, 2022
Finished goods$267 $297 
Raw materials214 206 
In-process inventories39 35 
Parts, supplies and other89 86 
Total inventories$609 $624