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Inventories (Tables)
3 Months Ended
Mar. 31, 2025
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consist of the following:
 March 31, 
2025
December 31, 
2024
 (in millions)
Finished goods$301 $263 
Raw materials, spare parts and supplies50 51 
Total inventories$351 $314