Restructuring Costs

6 Months Ended

Mar. 31, 2022

Restructuring and Related Activities [Abstract]

Restructuring Costs

Restructuring Costs

Restructuring reserves were $3 million at March 31, 2022 and $6 million at September 30, 2021. Restructuring costs are recorded within Other operating expense, net within the Condensed Consolidated Statement of Operations. The changes in restructuring reserves for the six months ended March 31, 2022 and 2021 are as follows (in millions):

	Employee Termination Benefits		Plant  Shutdown  & Other		Total
Balance at September 30, 2021	$	5	$	1	$	6
Activity during the period:
Charges	1		3		4
Cash payments	(4)		(4)		(8)
Other	1		—		1
Total restructuring reserves at March 31, 2022	3		—		3
Less: non-current restructuring reserves	(1)		—		(1)
Restructuring reserves – current, at March 31, 2022	$	2	$	—	$	2
Balance at September 30, 2020	$	10	$	—	$	10
Activity during the period:
Charges	6		2		8
Cash payments	(8)		—		(8)
Other	(1)		(2)		(3)
Total restructuring reserves at March 31, 2021	7		—		7
Less: non-current restructuring reserves	—		—		—
Restructuring reserves – current, at March 31, 2021	$	7	$	—	$	7