Goodwill, Purchased Technology and Other Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Oct. 27, 2013	Oct. 28, 2012
Summary of Purchased Technology and Intangible Assets [Line Items]
Carrying amount	$ 961	$ 1,213
Intangible assets - indefinite-lived	142	142
Total	1,103	1,355
Purchased Technology [Member]
Summary of Purchased Technology and Intangible Assets [Line Items]
Carrying amount	748	945
Intangible Assets [Member]
Summary of Purchased Technology and Intangible Assets [Line Items]
Carrying amount	$ 213	$ 268