Goodwill and Intangible Assets - Schedule of Goodwill Balances (Detail) - Jun. 30, 2015 - USD ($) $ in Millions	Total	Total
Goodwill And Other Intangible Asset [Line Items]
Beginning balance		$ 536
Goodwill impairment charge (Note F)	$ (353)	(353)
Foreign currency impact		(26)
Ending balance	157	157
Reinforcement Materials [Member]
Goodwill And Other Intangible Asset [Line Items]
Beginning balance		68
Foreign currency impact		(9)
Ending balance	59	59
Performance Chemicals [Member]
Goodwill And Other Intangible Asset [Line Items]
Beginning balance		10
Foreign currency impact		(1)
Ending balance	9	9
Purification Solutions [Member]
Goodwill And Other Intangible Asset [Line Items]
Beginning balance		458
Goodwill impairment charge (Note F)		(353)
Foreign currency impact		(16)
Ending balance	$ 89	$ 89