Goodwill, Purchased Technology and Other Intangible Assets (Details 3) (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
Silicon Systems Group [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	42	44
Applied Global Services [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1	1
Display [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1	2
Energy and Environmental Solutions [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 2	$ 6