Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Inventories

Schedule of inventories

Inventories as of March 31, 2017, and December 31, 2016, consisted of the following (in millions):

	2017			2016
Raw materials	$	66		$	65
Materials and supplies	452			446
Finished goods	526			395
	1,044			906
Revaluation to LIFO	(39		)	(40		)
Total	$	1,005		$	866