Goodwill, Purchased Technology and Other Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	Oct. 27, 2013	Oct. 28, 2012
Amortized intangible assets
Gross carrying amount	$ 1,788	$ 2,104
Accumulated amortization	(827)	(891)
Carrying amount	961	1,213
Silicon Systems Group [Member]
Amortized intangible assets
Gross carrying amount	1,553	1,552
Accumulated amortization	(620)	(447)
Applied Global Services [Member]
Amortized intangible assets
Gross carrying amount	72	72
Accumulated amortization	(65)	(61)
Display [Member]
Amortized intangible assets
Gross carrying amount	143	143
Accumulated amortization	(139)	(133)
Energy and Environmental Solutions [Member]
Amortized intangible assets
Gross carrying amount	20	337
Accumulated amortization	(3)	(250)
Purchased Technology [Member]
Amortized intangible assets
Gross carrying amount	1,444	1,543
Accumulated amortization	(696)	(598)
Carrying amount	748	945
Purchased Technology [Member] | Silicon Systems Group [Member]
Amortized intangible assets
Gross carrying amount	1,301	1,300
Accumulated amortization	(562)	(411)
Purchased Technology [Member] | Applied Global Services [Member]
Amortized intangible assets
Gross carrying amount	28	28
Accumulated amortization	(23)	(22)
Purchased Technology [Member] | Display [Member]
Amortized intangible assets
Gross carrying amount	110	110
Accumulated amortization	(110)	(106)
Purchased Technology [Member] | Energy and Environmental Solutions [Member]
Amortized intangible assets
Gross carrying amount	5	105
Accumulated amortization	(1)	(59)
Other [Member]
Amortized intangible assets
Gross carrying amount	344	561
Accumulated amortization	(131)	(293)
Carrying amount	213	268
Other [Member] | Silicon Systems Group [Member]
Amortized intangible assets
Gross carrying amount	252	252
Accumulated amortization	(58)	(36)
Other [Member] | Applied Global Services [Member]
Amortized intangible assets
Gross carrying amount	44	44
Accumulated amortization	(42)	(39)
Other [Member] | Display [Member]
Amortized intangible assets
Gross carrying amount	33	33
Accumulated amortization	(29)	(27)
Other [Member] | Energy and Environmental Solutions [Member]
Amortized intangible assets
Gross carrying amount	15	232
Accumulated amortization	$ (2)	$ (191)