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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
The following table provides a breakdown of inventories:

Inventories
Jun 30,
2019
Dec 31,
2018
In millions
Finished goods
$
209

$
264

Work in process
33

45

Raw materials
40

45

Supplies
91

85

Total
$
373

$
439

Adjustment of inventories to a LIFO basis
(99
)
(135
)
Total inventories
$
274

$
304