Inventories (Tables)

6 Months Ended

Jun. 30, 2018

Inventories

Schedule of inventories

Finished goods primarily represents crude oil, caustic soda and vinyl products. Inventories as of June 30, 2018, and December 31, 2017, consisted of the following (in millions):

	2018		2017
Raw materials	$	68	$	66
Materials and supplies		466		447
Finished goods		858		776
		1,392		1,289
Revaluation to LIFO		(45)		(43)
Total	$	1,347	$	1,246