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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
The following table provides a breakdown of inventories:

Inventories
Mar 31,
2019
Dec 31,
2018
In millions
Finished goods
$
241

$
264

Work in process
43

45

Raw materials
40

45

Supplies
86

85

Total
$
410

$
439

Adjustment of inventories to a LIFO basis
(108
)
(135
)
Total inventories
$
302

$
304