Goodwill and Other Intangible Assets (Tables)

75 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill Balances

The carrying amount of goodwill attributable to each reportable segment with goodwill balances and the changes in those balances during the period ended December 31, 2014 are as follows:

	Reinforcement Materials			Performance Chemicals		Purification Solutions			Total
	(Dollars in millions)
Balance at September 30, 2014	$	68		$	10	$	458		$	536
Foreign currency impact		(6	)		—		(6	)		(12	)
Balance at December 31, 2014	$	62		$	10	$	452		$	524

Schedule of Intangible Assets

The following table provides information regarding the Company’s intangible assets:

	December 31, 2014							September 30, 2014
	Gross Carrying Value		Accumulated Amortization			Net Intangible Assets		Gross Carrying Value		Accumulated Amortization			Net Intangible Assets
	(Dollars in millions)
Intangible assets with finite lives
Developed technology	$	150	$	(18	)	$	132	$	152	$	(16	)	$	136
Customer relationships		164		(18	)		146		171		(17	)		154
Total intangible assets, finite lives	$	314	$	(36	)	$	278	$	323	$	(33	)	$	290
Trademarks, indefinite lives		57		—			57		57		—			57
Total intangible assets	$	371	$	(36	)	$	335	$	380	$	(33	)	$	347