Goodwill, Purchased Technology and Other Intangible Assets (Schedule of Purchased Technology and Intangible Assets) (Details) - USD ($) $ in Millions	Apr. 30, 2017	Oct. 30, 2016
Summary of Purchased Technology and Intangible Assets [Line Items]
Finite lived assets	$ 472	$ 550
Intangible assets - indefinite-lived	18	25
Total	490	575
Purchased technology, net
Summary of Purchased Technology and Intangible Assets [Line Items]
Finite lived assets	339	409
Intangible assets
Summary of Purchased Technology and Intangible Assets [Line Items]
Finite lived assets	133	141
Intangible assets - indefinite-lived	$ 18	$ 25