Pension and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Mar. 28, 2020

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The components of the net periodic cost for the pension and postretirement benefit plans for the three and six months ended March 28, 2020, and March 30, 2019, are as follows (in millions):

	Pension Plans
	Three Months Ended						Six Months Ended
	March 28, 2020			March 30, 2019			March 28, 2020			March 30, 2019
Service cost	$	—		$	—		$	—		$	1
Interest cost	7			16			17			32
Expected return on plan assets	(6		)	(15		)	(15		)	(29		)
Amortization of:
Net actuarial loss	1			1			2			1
Prior service cost	—			—			—			—
Settlement (gain) loss	(106		)	—			(106		)	19
Net periodic cost (credit)	$	(104	)	$	2		$	(102	)	$	24

	Postretirement Benefit Plans
	Three Months Ended						Six Months Ended
	March 28, 2020			March 30, 2019			March 28, 2020			March 30, 2019
Interest cost	$	—		$	1		$	—		$	1
Amortization of prior service cost (credit)	(1		)	(1		)	(1		)	(5		)
Net periodic cost (credit)	$	(1	)	$	—		$	(1	)	$	(4	)