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INVENTORIES (Details) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
At FIFO or average cost (approximates current cost) [Abstract]    
Finished goods $ 1,090 $ 1,063
Work in process 213 212
Raw materials and supplies 486 500
Total inventories 1,789 1,775
Less: LIFO Reserve 296 296
Total inventories $ 1,493 $ 1,479
Inventories valued on the LIFO method 60.00% 60.00%