Inventories (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories as of March 31, 2019, and December 31, 2018, consisted of the following (in millions):

	2019			2018
Raw materials	$	71		$	74
Materials and supplies	470			445
Finished goods	990			788
	1,531			1,307
Revaluation to LIFO	(47		)	(47		)
Total	$	1,484		$	1,260