Restructuring (Tables)

3 Months Ended

Dec. 31, 2020

Restructuring And Related Activities [Abstract]

Recorded Restructuring Activities

Cabot’s restructuring activities were recorded in the Consolidated Statements of Operations in the three months ended December 31, 2020 and 2019 as follows:

	Three Months Ended December 31
	2020		2019
	(In millions)
Cost of sales	$	3	$	1
Selling and administrative expenses		—		7
Total	$	3	$	8

Restructuring Activities and Related Reserves

Details of all restructuring activities and the related reserves during the three months ended December 31, 2020 were as follows:

	Severance and Employee Benefits			Environmental Remediation		Non-cash Asset Impairment			Other			Total
	(In millions)
Reserve at September 30, 2020	$	5		$	4	$	—		$	—		$	9
Charges (gain)		—			—		2			1			3
Cost charged against assets		—			—		(2	)		—			(2	)
Cash paid		(2	)		—		—			(1	)		(3	)
Reserve at December 31, 2020		3			4		—			—			7