Restructuring and Impairments (Tables)

12 Months Ended

Oct. 31, 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 October 31, 2017
Employee termination charges	$	5	$	22	$	(12	)	$	(1	)	$	14
Lease vacancy	1		—		(1		)	—			—
Other	1		—		—			—			1
Restructuring liability	$	7	$	22	$	(13	)	$	(1	)	$	15

(in millions)	Balance at October 31, 2015		Additions		Payments			Adjustments		Balance at October 31, 2016
Employee termination charges	$	62	$	4	$	(63	)	$	2	$	5
Lease vacancy	5		—		(4		)	—		1
Other	1		—		—			—		1
Restructuring liability	$	68	$	4	$	(67	)	$	2	$	7

(in millions)	Balance at October 31, 2014		Additions		Payments			Adjustments			Balance at October 31, 2015
Employee termination charges	$	8	$	68	$	(11	)	$	(3	)	$	62
Lease vacancy	11		3		(8		)	(1		)	5
Other	1		—		(1		)	1			1
Restructuring liability	$	20	$	71	$	(20	)	$	(3	)	$	68