Restructuring (Tables)

3 Months Ended

Dec. 31, 2013

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 December 31
	2013		2012
	(Dollars in millions)
Cost of sales	$	5	$	3
Selling and administrative expenses		—		2
Research and technical expenses		—		1
Total	$	5	$	6

Restructuring Activities and Related Reserves

Details of these restructuring activities and the related reserves during the three months ended December 31, 2013 are as follows:

	Severance and Employee Benefits			Environmental Remediation			Asset Impairment and Accelerated Depreciation			Other		Total
	(Dollars in millions)
Reserve at September 30, 2013	$	7		$	2		$	—		$	1	$	10
Charges		—			1			3			1		5
Costs charged against assets/liabilities		—			—			(3	)		—		(3	)
Cash paid		(3	)		(1	)		—			—		(4	)
Reserve at December 31, 2013	$	4		$	2		$	—		$	2	$	8