XML 82 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
INVENTORIES (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
INVENTORIES    
Net carrying values of inventories valued under the LIFO method $ 172 $ 192
Raw materials 66 65
Materials and supplies 447 446
Finished goods 776 395
Inventories, Gross 1,289 906
Revaluation to LIFO (43) (40)
Total $ 1,246 $ 866