Taxes on Earnings - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Jan. 31, 2017	Oct. 31, 2016
Components of Deferred Tax Assets and Liabilities [Abstract]
Deferred tax assets	$ 53	$ 53
Deferred tax liabilities	(44)	(44)
Deferred tax assets net of deferred tax liabilities	$ 9	$ 9