Goodwill and Other Intangible assets, Net Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 12	$ 10	$ 18
Finite-Lived Intangible Assets, Gross	194	158
Finite-Lived Intangible Assets, Accumulated Amortization	(162)	(120)
Finite-Lived Intangible Assets, Net	32	38
Customer base and relationships
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	73	69
Finite-Lived Intangible Assets, Accumulated Amortization	(65)	(58)
Finite-Lived Intangible Assets, Net	8	11
Other
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	121	89
Finite-Lived Intangible Assets, Accumulated Amortization	(97)	(62)
Finite-Lived Intangible Assets, Net	$ 24	$ 27