Goodwill, Purchased Technology and Other Intangible Assets (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 26, 2014	Jan. 27, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 46	$ 53
Cost of products sold [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	40	43
Marketing and selling [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	5	8
General and administrative [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 1	$ 2