Goodwill, Purchased Technology and Other Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Jan. 27, 2013	Oct. 28, 2012
Indefinite-lived intangible assets
Goodwill	$ 3,518	$ 3,518
Other Intangible Assets	142	142
Total	3,660	3,660
Silicon Systems Group [Member]
Indefinite-lived intangible assets
Goodwill	2,151	2,151
Other Intangible Assets	142	142
Total	2,293	2,293
Applied Global Services [Member]
Indefinite-lived intangible assets
Goodwill	1,027	1,027
Other Intangible Assets	0	0
Total	1,027	1,027
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	224	224
Other Intangible Assets	0	0
Total	$ 224	$ 224