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Inventories
3 Months Ended
Mar. 31, 2025
Inventory Disclosure [Abstract]  
Inventories
(3) Inventories

Inventories consisted of the following:
(in millions)March 31, 2025December 31, 2024
Finished goods$191 $221 
Raw materials210 146 
In-process inventories76 28 
Parts, supplies and other108 107 
Total inventories$585 $502