Employee Benefit Plans (Tables)

3 Months Ended

Dec. 31, 2020

Compensation And Retirement Disclosure [Abstract]

Net Periodic Defined Benefit Pension Costs

Net periodic defined benefit pension costs include the following:

	Three Months Ended December 31
	2020					2019
	Pension Benefits
	U.S.		Foreign			U.S.			Foreign
	(In millions)
Service cost	$	—	$	1		$	—		$	1
Interest cost		—		1			1			1
Expected return on plan assets		—		(2	)		(1	)		(2	)
Amortization of actuarial loss		—		1			—			1
Settlement charge		6		—			—			—
Net periodic benefit (credit) cost	$	6	$	1		$	—		$	1