Inventories, net (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories consist of (in millions):

	March 31,		December 31,
	2018		2017
Raw materials and supplies	$	659	$	656
Work in process		605		513
Finished goods and purchased products		1,882		1,834
Total	$	3,146	$	3,003