RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables)

9 Months Ended

Jul. 31, 2018

Defined Benefit Plan [Abstract]

Schedule of net pension and post-retirement benefit costs

Components of net periodic costs. For the three and nine months ended July 31, 2018 and 2017, our net pension and post retirement benefit costs 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
	2018			2017			2018			2017			2018			2017
	(in millions)
Service cost—benefits earned during the period	$	—		$	—		$	6		$	5		$	—		$	—
Interest cost on benefit obligation	4			4			3			3			1			1
Expected return on plan assets	(7		)	(7		)	(11		)	(10		)	(2		)	(1		)
Amortization:
Actuarial losses	1			—			7			9			2			3
Prior service credits	—			—			—			—			(2		)	(2		)
Total net plan costs	$	(2	)	$	(3	)	$	5		$	7		$	(1	)	$	1
Settlements gains	$	—		$	—		$	—		$	—		$	—		$	—

	Nine Months Ended July 31,
	U.S. Pension Plans						Non-U.S. Pension Plans						U.S. Post Retirement Benefit Plans
	2018			2017			2018			2017			2018			2017
	(in millions)
Service cost—benefits earned during the period	$	—		$	—		$	16		$	13		$	—		$	—
Interest cost on benefit obligation	12			12			9			9			3			4
Expected return on plan assets	(21		)	(19		)	(34		)	(30		)	(6		)	(5		)
Amortization:
Actuarial losses	1			2			22			27			6			8
Prior service credits	—			(1		)	—			—			(6		)	(6		)
Total net plan costs	$	(8	)	$	(6	)	$	13		$	19		$	(3	)	$	1
Settlements gains	$	—		$	—		$	(5	)	$	(32	)	$	—		$	—