RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables)

6 Months Ended

Apr. 30, 2018

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of net pension and post-retirement benefit costs

Components of net periodic costs. For the three and six months ended April 30, 2018 and 2017, our net pension and post retirement benefit costs were comprised of the following:



	Three Months Ended April 30,
	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	$	—		$	—		$	4		$	4		$	—		$	—
Interest cost on benefit obligation	4			5			3			3			1			2
Expected return on plan assets	(7		)	(6		)	(12		)	(10		)	(2		)	(2		)
Amortization:
Actuarial losses	—			1			8			9			2			2
Prior service credits	—			(1		)	—			—			(2		)	(2		)
Total net plan costs	$	(3	)	$	(1	)	$	3		$	6		$	(1	)	$	—
Settlements gains	$	—		$	—		$	—		$	—		$	—		$	—