RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables)

9 Months Ended

Jul. 31, 2020

Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]

Schedule of net pension and post-retirement benefit costs

Components of net periodic costs (benefits). For the three and nine months ended July 31, 2020 and 2019, our net pension and post retirement benefit costs (benefits) were comprised of the following:

	Three Months Ended July 31,
	U.S. Pension Plans						Non-U.S. Pension Plans						U.S. Post Retirement Benefit Plans
	2020			2019			2020			2019			2020			2019
	(in millions)
Service cost—benefits earned during the period	$	—		$	—		$	6		$	6		$	1		$	—
Interest cost on benefit obligation	4			5			2			3			—			1
Expected return on plan assets	(7		)	(7		)	(11		)	(11		)	(2		)	(1		)
Amortization:
Actuarial losses	—			—			12			9			1			1
Prior service credits	—			—			—			—			(1		)	(2		)
Total net plan costs (benefits)	$	(3	)	$	(2	)	$	9		$	7		$	(1	)	$	(1	)

	Nine Months Ended July 31,
	U.S. Pension Plans						Non-U.S. Pension Plans						U.S. Post Retirement Benefit Plans
	2020			2019			2020			2019			2020			2019
	(in millions)
Service cost—benefits earned during the period	$	—		$	—		$	18		$	16		$	1		$	—
Interest cost on benefit obligation	12			15			6			9			2			2
Expected return on plan assets	(22		)	(21		)	(35		)	(33		)	(5		)	(3		)
Amortization:
Actuarial losses	2			—			36			27			3			3
Prior service credits	—			—			—			—			(5		)	(6		)
Total net plan costs (benefits)	$	(8	)	$	(6	)	$	25		$	19		$	(4	)	$	(4	)

The service cost component is recorded in cost of sales and operating expenses in the condensed consolidated statement of operations. All other cost components are recorded in other income (expense), net in the condensed consolidated statement of operations.