XML 52 R41.htm IDEA: XBRL DOCUMENT v3.22.2.2
Inventories (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Inventories      
Finished goods $ 623 $ 659 $ 651
Raw materials 131 119 120
Operating supplies 38 38 37
Inventories $ 792 $ 816 $ 808