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Inventories (Tables)
3 Months Ended
Mar. 31, 2024
Inventory Disclosure [Abstract]  
Inventories
($ in millions)March 31, 2024December 31, 2023
Finished products$1,337 $1,197 
Work in process254 236 
Raw materials684 640 
Supplies56 54 
Total Inventories$2,331 $2,127