XML 59 R44.htm IDEA: XBRL DOCUMENT v3.7.0.1
Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Inventory, Net [Abstract]    
Finished products $ 2,953 $ 3,113
Semifinished products 1,838 2,009
Raw materials, stores and supplies 669 719
Total inventories before LIFO adjustment 5,460 5,841
Adjustment of inventories to a last-in, first-out (LIFO) basis (173) (168)
Total $ 5,287 $ 5,673