v3.26.3
Inventories
9 Months Ended
Sep. 30, 2026
Inventory Disclosure [Abstract]  
Inventories Inventories
($ in millions)September 30, 2026December 31, 2025
Finished products$1,198 $1,067 
Work in process278 251 
Raw materials700 624 
Supplies60 54 
Total Inventories$2,236 $1,996 
Most U.S. inventories are valued using the last-in, first-out method. If the first-in, first-out ("FIFO") method of inventory valuation had been used, inventories would have been $200 million and $181 million higher as of September 30, 2026 and December 31, 2025, respectively.