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INVENTORIES (Details) - USD ($)
$ in Millions
Sep. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 1,083 $ 1,109
Work in process 829 811
Finished products 2,734 2,445
Inventory, Gross 4,646 4,365
Reduction to LIFO cost basis (45) (39)
Inventories $ 4,601 $ 4,326