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INVENTORIES (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Inventory, Combining Work in Process and Raw Materials Alternative, Gross [Abstract]    
Raw materials $ 1,056 $ 1,109
Work in process 817 811
Finished products 2,593 2,445
Inventory, Gross 4,466 4,365
Reduction to LIFO cost basis (45) (39)
Inventories 4,421 4,326
Inventories Paragraph Details [Abstract]    
LIFO Inventory Amount 292 294
LIFO reserve $ 45 $ 39