Goodwill, Purchased Technology and Other Intangible Assets (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 27, 2013	Jan. 29, 2012
Indefinite-lived Intangible Assets by Segment [Line Items]
Amortization expense	$ 53	$ 61
Silicon Systems Group [Member]
Indefinite-lived Intangible Assets by Segment [Line Items]
Amortization expense	44	48
Applied Global Services [Member]
Indefinite-lived Intangible Assets by Segment [Line Items]
Amortization expense	1	5
Display [Member]
Indefinite-lived Intangible Assets by Segment [Line Items]
Amortization expense	2	2
Energy and Environmental Solutions [Member]
Indefinite-lived Intangible Assets by Segment [Line Items]
Amortization expense	$ 6	$ 6