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INVENTORIES
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block] INVENTORIES
Inventories
March 31, 2020
December 31, 2019
In millions
Finished goods
$
2,731

$
2,621

Work in process
858

855

Raw materials
589

599

Supplies
232

244

Total inventories
$
4,410

$
4,319