Goodwill, Purchased Technology and Other Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Apr. 27, 2014	Oct. 27, 2013
Summary of Purchased Technology and Intangible Assets [Line Items]
Carrying amount	$ 870	$ 961
Intangible assets - indefinite-lived	148	142
Total	1,018	1,103
Purchased technology [Member]
Summary of Purchased Technology and Intangible Assets [Line Items]
Carrying amount	671	748
Intangible assets [Member]
Summary of Purchased Technology and Intangible Assets [Line Items]
Carrying amount	$ 199	$ 213