Restructuring Costs (Tables)

9 Months Ended

Jun. 30, 2020

Restructuring and Related Activities [Abstract]

Schedule of Changes in Restructuring Reserves

The changes in restructuring reserves for the nine months ended June 30, 2020 and 2019 are as follows (in millions):

	Total
Balance at September 30, 2019	$	8
Activity during the period:
Charges to continuing operations	27
Cash payments – continuing operations	(21)
Total restructuring reserves at June 30, 2020	14
Less: non-current restructuring reserves	—
Restructuring reserves – current, at June 30, 2020	$	14
Balance at September 30, 2018	$	4
Activity during the period:
Charges to continuing operations	(2)
Cash payments – continuing operations	(2)
Total restructuring reserves at June 30, 2019	1
Less: non-current restructuring reserves	—
Restructuring reserves – current, at June 30, 2019	$	1