Goodwill and Other Intangible assets, Net (Tables)

12 Months Ended

Oct. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

Information regarding our intangible assets that are subject to amortization is as follows:

	As of October 31, 2019
(in millions)	Customer Base and Relationships			Trademarks, Patents and Other			Total
Gross carrying value	$	66		$	84		$	150
Accumulated amortization	(66		)	(76		)	(142		)
Net of amortization	$	—		$	8		$	8

	As of October 31, 2018
(in millions)	Customer Base and Relationships			Trademarks, Patents and Other			Total
Gross carrying value	$	68		$	84		$	152
Accumulated amortization	(66		)	(74		)	(140		)
Net of amortization	$	2		$	10		$	12

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Future estimated amortization expense for our finite-lived intangible assets for the remaining years is as follows:

(in millions)	Estimated Amortization
2020	$	2
2021	1
2022	1
2023	1
2024	1
Thereafter	2