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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
The following table provides a breakdown of inventories:

InventoriesMar 31, 2021Dec 31, 2020
In millions
Finished goods$3,590 $3,140 
Work in process1,217 996 
Raw materials670 598 
Supplies907 933 
Total$6,384 $5,667 
Adjustment of inventories to a LIFO basis(227)34 
Total inventories$6,157 $5,701