Goodwill and Other Intangible assets, Net (Tables)

12 Months Ended

Oct. 31, 2020

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, 2020
(in millions)	Customer Base and Relationships			Trademarks, Patents and Other			Total
Gross carrying value	$	61		$	83		$	144
Accumulated amortization	(61		)	(77		)	(138		)
Net of amortization	$	—		$	6		$	6

	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

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
2021	$	1
2022	1
2023	1
2024	1
2025	—
Thereafter	2