v3.26.3
Inventories (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Inventory Disclosure [Abstract]    
Finished products $ 1,078 $ 1,030
Feedstock, additives, chemicals and other raw materials 444 366
Materials and supplies 287 257
Inventories $ 1,809 $ 1,653