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INVENTORIES Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory [Abstract]  
Schedule of Inventory, Current [Table Text Block]
InventoriesSeptember 30, 2020December 31, 2019
In millions
Finished goods$2,407 $2,621 
Work in process803 855 
Raw materials465 599 
Supplies227 244 
Total inventories$3,902 $4,319