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INVENTORIES (Details) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
At FIFO or average cost (approximates current cost) [Abstract]    
Finished goods $ 1,103 $ 997
Work in process 220 198
Raw materials and supplies 478 473
Total inventories 1,801 1,668
Less: LIFO Reserve 261 264
Total inventories $ 1,540 $ 1,404
Inventories valued on the LIFO method 60.00% 60.00%