INVENTORIES

The following table provides a breakdown of inventories:



Inventories at Dec 31
In millions	2018			2017
Finished goods	$	264		$	222
Work in process	45			47
Raw materials	45			48
Supplies	85			73
Total	$	439		$	390
Adjustment of inventories to a LIFO basis	(135		)	(112		)
Total inventories	$	304		$	278

Inventories valued on a LIFO basis, principally U.S. chemicals and plastics product inventories, represented 60 percent of the total inventories at December 31, 2018, and 70 percent of the total inventories at December 31, 2017.