Goodwill, Purchased Technology and Other Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	Jul. 29, 2012	Oct. 30, 2011
Amortized intangible assets
Gross carrying amount	$ 2,104	$ 878
Accumulated amortization	(836)	(667)
Carrying amount	1,268	211
Silicon Systems Group [Member]
Amortized intangible assets
Gross carrying amount	1,552	330
Accumulated amortization	(402)	(264)
Applied Global Services [Member]
Amortized intangible assets
Gross carrying amount	72	68
Accumulated amortization	(59)	(51)
Display [Member]
Amortized intangible assets
Gross carrying amount	143	143
Accumulated amortization	(132)	(127)
Energy and Environmental Solutions [Member]
Amortized intangible assets
Gross carrying amount	337	337
Accumulated amortization	(243)	(225)
Purchased Technology [Member]
Amortized intangible assets
Gross carrying amount	1,543	553
Accumulated amortization	(555)	(426)
Carrying amount	988	127
Purchased Technology [Member] | Silicon Systems Group [Member]
Amortized intangible assets
Gross carrying amount	1,300	310
Accumulated amortization	(373)	(256)
Purchased Technology [Member] | Applied Global Services [Member]
Amortized intangible assets
Gross carrying amount	28	28
Accumulated amortization	(21)	(20)
Purchased Technology [Member] | Display [Member]
Amortized intangible assets
Gross carrying amount	110	110
Accumulated amortization	(105)	(102)
Purchased Technology [Member] | Energy and Environmental Solutions [Member]
Amortized intangible assets
Gross carrying amount	105	105
Accumulated amortization	(56)	(48)
Other [Member]
Amortized intangible assets
Gross carrying amount	561	325
Accumulated amortization	(281)	(241)
Carrying amount	280	84
Other [Member] | Silicon Systems Group [Member]
Amortized intangible assets
Gross carrying amount	252	20
Accumulated amortization	(29)	(8)
Other [Member] | Applied Global Services [Member]
Amortized intangible assets
Gross carrying amount	44	40
Accumulated amortization	(38)	(31)
Other [Member] | Display [Member]
Amortized intangible assets
Gross carrying amount	33	33
Accumulated amortization	(27)	(25)
Other [Member] | Energy and Environmental Solutions [Member]
Amortized intangible assets
Gross carrying amount	232	232
Accumulated amortization	$ (187)	$ (177)