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Inventories

3 Months Ended

Mar. 31, 2018

6. Inventories

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


	2018		2017
Raw materials	$	68	$	66
Materials and supplies		470		447
Finished goods		562		776
		1,100		1,289
Revaluation to LIFO		(43)		(43)
Total	$	1,057	$	1,246