Goodwill, Purchased Technology and Other Intangible Assets (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 27, 2014	Jul. 28, 2013	Jul. 27, 2014	Jul. 28, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 45	$ 46	$ 136	$ 153
Silicon Systems Group [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	42	42	126	130
Applied Global Services [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	0	1	3	3
Display [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	1	2	2	6
Energy and Environmental Solutions [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 2	$ 1	$ 5	$ 14