Restructuring (Tables)

9 Months Ended

Jun. 30, 2014

Restructuring And Related Activities [Abstract]

Recorded Restructuring Activities

Cabot’s restructuring activities were recorded in the Consolidated Statements of Operations as follows:

	Three Months Ended June 30				Nine Months Ended June 30
	2014		2013		2014		2013
	(Dollars in millions)
Cost of sales	$	2	$	3	$	11	$	24
Selling and administrative expenses		2		1		13		4
Research and Technical expenses		—		1		—		1
Total	$	4	$	5	$	24	$	29

Restructuring Activities and Related Reserves

Details of these restructuring activities and the related reserves during the three months ended June 30, 2014 are as follows:

	Severance and Employee Benefits			Environmental Remediation		Asset Impairment and Accelerated Depreciation			Other			Total
	(Dollars in millions)
Reserve at March 31, 2014	$	16		$	2	$	—		$	2		$	20
Charges		2			—		1			1			4
Costs charged against assets/liabilities		—			—		(1	)		—			(1	)
Cash paid		(1	)		—		—			(1	)		(2	)
Reserve at June 30, 2014	$	17		$	2	$	—		$	2		$	21

Details of these restructuring activities and the related reserves during the nine months ended June 30, 2014 are as follows:

	Severance and Employee Benefits			Environmental Remediation			Asset Impairment and Accelerated Depreciation			Asset Sales			Other			Total
	(Dollars in millions)
Reserve at September 30, 2013	$	7		$	2		$	—		$	—		$	1		$	10
Charges		15			1			4			1			3			24
Costs charged against assets/liabilities		—			—			(4	)		—			—			(4	)
Cash paid		(5	)		(1	)		—			(1	)		(2	)		(9	)
Reserve at June 30, 2014	$	17		$	2		$	—		$	—		$	2		$	21