Goodwill, Purchased Technology and Other Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Jul. 29, 2012		Oct. 30, 2011
Indefinite-lived intangible assets
Goodwill	$ 3,939	[1]	$ 1,335	[1]
Other Intangible Assets	142		0
Total	4,081		1,335
Silicon Systems Group [Member]
Indefinite-lived intangible assets
Goodwill	2,151		381
Other Intangible Assets	142		0
Total	2,293		381
Applied Global Services [Member]
Indefinite-lived intangible assets
Goodwill	1,027		193
Other Intangible Assets	0		0
Total	1,027		193
Display [Member]
Indefinite-lived intangible assets
Goodwill	116		116
Other Intangible Assets	0		0
Total	116		116
Energy and Environmental Solutions [Member]
Indefinite-lived intangible assets
Goodwill	645		645
Other Intangible Assets	0		0
Total	$ 645		$ 645

[1] Amounts as of July 29, 2012 are unaudited. Amounts as of October 30, 2011 are derived from the October 30, 2011 audited consolidated financial statements.