Restructuring Costs (Tables)

3 Months Ended

Dec. 31, 2019

Restructuring and Related Activities [Abstract]

Schedule of Changes in Restructuring Reserves

The changes in restructuring reserves for the three months ended December 31, 2019 and 2018 are as follows (in millions):

	Total
Beginning Balance at September 30, 2019	$	8
Activity during the period:
Charges to continuing operations	5
Cash payments – continuing operations	(7		)
Other	(1		)
Total restructuring reserves at December 31, 2019	5
Less: non-current restructuring reserves	—
Restructuring reserves – current, at December 31, 2019	$	5
Balance at September 30, 2018	$	4
Activity during the period:
Charges to continuing operations	—
Cash payments – continuing operations	(1		)
Total restructuring reserves at December 31, 2018	3
Less: non-current restructuring reserves	(1		)
Restructuring reserves – current, at December 31, 2018	$	2