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INVENTORIES (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Inventory, Net [Abstract]    
Finished goods $ 381 $ 500
Work in process 646 856
Raw and packaging materials 194 204
Inventories 1,221 1,560
Inventory pending regulatory approval 85  
Inventories expected to remain on-hand beyond one year $ 227 $ 232