INVENTORIES

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

INVENTORIES

INVENTORIES

The following table provides a breakdown of inventories:

Inventories at Dec 31
In millions	2019		2018
Finished goods	$	3,505	$	4,313
Work in process	1,122		1,335
Raw materials	628		674
Supplies	845		826
Total	$	6,100	$	7,148
Adjustment of inventories to a LIFO basis	114		(249		)
Total inventories	$	6,214	$	6,899

Inventories valued on a LIFO basis represented 32 percent of the total inventories at December 31, 2019 and 34 percent of the total inventories at December 31, 2018.