Restructuring and Impairments (Tables)

6 Months Ended

Apr. 30, 2017

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following tables summarize the activity in the restructuring liability, which excludes pension and other postretirement contractual termination benefits:

(in millions)	Balance at October 31, 2016		Additions		Payments			Adjustments			Balance at April 30, 2017
Employee termination charges	$	5	$	8	$	(3	)	$	(1	)	$	9
Lease vacancy	1		—		(1		)	—			—
Other	1		—		—			—			1
Restructuring liability	$	7	$	8	$	(4	)	$	(1	)	$	10

(in millions)	Balance at October 31, 2015		Additions		Payments			Adjustments		Balance at April 30, 2016
Employee termination charges	$	62	$	6	$	(49	)	$	—	$	19
Lease vacancy	5		—		(3		)	—		2
Other	1		—		—			—		1
Restructuring liability	$	68	$	6	$	(52	)	$	—	$	22