INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory

The following table provides a breakdown of inventories:

Inventories at Dec 31
In millions	2017			2016
Finished goods	$	5,213		$	4,230
Work in process	1,747			1,510
Raw materials	898			853
Supplies	848			823
Total	$	8,706		$	7,416
Adjustment of inventories to a LIFO basis	(330		)	(53		)
Total inventories	$	8,376		$	7,363