v3.26.3
Inventories
9 Months Ended
Sep. 30, 2026
Inventory Disclosure [Abstract]  
Inventories Inventories
September 30, 2026December 31, 2025
Finished goods$447 $462 
Work-in-process1,047 885 
Purchased raw materials527 424 
Operating supplies92 78 
Total inventories$2,113 $1,849 
As of September 30, 2026 and December 31, 2025, the portion of inventories valued on a last-in, first-out (“LIFO”) basis was $676 and $642, respectively. If valued on an average-cost basis, total inventories would have been $412 and $333 higher as of September 30, 2026 and December 31, 2025, respectively.