Restructuring Activities (Tables)

9 Months Ended

Jun. 30, 2021

Restructuring And Related Activities [Abstract]

Summary of Amount of Restructuring Reserves Related to Program

The following table details at June 30, 2021 and 2020, the amount of restructuring severance reserves related to this program. The severance reserves were primarily recorded within accrued expenses and other liabilities in the Condensed Consolidated Balance Sheet as of June 30, 2021 and 2020.

(In millions)	Severance costs
Balance at of September 30, 2020		39
Restructuring reserve		2
Utilization (cash paid)		(27	)
Balance at June 30, 2021	$	14

(In millions)	Severance costs
Balance at of September 30, 2019		—
Restructuring reserve		30
Utilization (cash paid)		(8	)
Balance at June 30, 2020	$	22

The following table details at June 30, 2020, the amount of restructuring reserves related to the programs discussed above, and the related activity in these reserves during the nine months ended June 30, 2020. The severance reserve was primarily recorded within accrued expenses and other liabilities in the Condensed Consolidated Balance Sheet as of June 30, 2020.

(In millions)	Severance costs
Balance at of September 30, 2019		7
Restructuring reserve		1
Utilization (cash paid)		(8	)
Balance at June 30, 2020	$	—