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INVENTORIES (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
At FIFO or average cost (approximates current cost) [Abstract]    
Finished goods $ 1,063 $ 1,130
Work in process 212 288
Raw materials and supplies 500 553
Total inventories 1,775 1,971
LIFO Reserve (296) (462)
Total inventories $ 1,479 $ 1,509
Inventories valued on the LIFO method (in hundredths) 60.00% 55.00%