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INVENTORIES (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Inventory, Net [Abstract]    
Inventory, Finished Goods, Net of Reserves $ 448 $ 396
Inventory, Work in Process, Net of Reserves 934 1,026
Inventory, Raw Materials and Supplies, Net of Reserves 214 202
Total inventories 1,596 1,624
Inventories 1,283 1,195
Inventories - other assets $ 313 $ 429