INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

The following table provides a breakdown of inventories:

Inventories at Dec 31
In millions	2017			2016
Finished goods	$	222		$	186
Work in process	47			38
Raw materials	48			50
Supplies	73			87
Total	$	390		$	361
Adjustment of inventories to a LIFO basis	(112		)	(54		)
Total inventories	$	278		$	307