Inventories

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories as of March 31, 2018 and December 31, 2017 were as follows:

In millions	March 31, 2018			December 31, 2017
Raw material	$	491		$	465
Work-in-process	190			141
Finished goods	743			703
LIFO reserve	(89		)	(89		)
Total inventories	$	1,335		$	1,220