Goodwill, Purchased Technology and Other Intangible Assets (Goodwill and Other Indefinite-lived Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Oct. 26, 2014	Oct. 27, 2013
Indefinite-lived intangible assets
Goodwill	$ 3,304	$ 3,294
Other Intangible Assets	127	142
Total	3,431	3,436
Silicon Systems Group [Member]
Indefinite-lived intangible assets
Goodwill	2,151	2,151
Other Intangible Assets	103	142
Total	2,254	2,293
Applied Global Services [Member]
Indefinite-lived intangible assets
Goodwill	1,027	1,027
Other Intangible Assets	6	0
Total	1,033	1,027
Display [Member]
Indefinite-lived intangible assets
Goodwill	126	116
Other Intangible Assets	18	0
Total	$ 144	$ 116