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INVENTORIES (Details) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Inventory Combining Work In Process And Raw Materials Alternative Gross Abstract    
Raw materials $ 1,193 $ 1,104
Work in process 787 775
Finished products 2,710 2,552
Inventory, Gross 4,690 4,431
Reduction to LIFO cost basis (38) (65)
Inventories $ 4,652 $ 4,366