Inventories

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories

The components of total inventories are summarized as follows: 

	December 31,
(in millions)	2016		2015
Finished goods	$	220	$	188
Work in process	42		32
Raw materials	260		213
Total inventories	$	522	$	433

The amounts in the above table of inventory composition as of December 31, 2015 have been revised to appropriately classify as Raw materials $25 million previously included in Finished goods.