Business Combinations (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 28, 2012 Year	Nov. 10, 2011
Business Acquisition [Line Items]
Useful life, minimum	1
Useful life, maximum	15
Varian Semiconductor Equipment Associates Inc [Member]
Business Acquisition [Line Items]
Purchased Intangible Assets 2012		$ 1,365
Varian Semiconductor Equipment Associates Inc [Member] | Developed technology [Member]
Business Acquisition [Line Items]
Purchased Intangible Assets 2012		987
Useful life, minimum	1
Useful life, maximum	7
Varian Semiconductor Equipment Associates Inc [Member] | Customer relationships [Member]
Business Acquisition [Line Items]
Purchased Intangible Assets 2012		150
Useful life	15
Varian Semiconductor Equipment Associates Inc [Member] | In-process technology [Member]
Business Acquisition [Line Items]
Purchased Intangible Assets 2012		142
Varian Semiconductor Equipment Associates Inc [Member] | Patents and trademarks [Member]
Business Acquisition [Line Items]
Purchased Intangible Assets 2012		69
Useful life	10
Varian Semiconductor Equipment Associates Inc [Member] | Backlog [Member]
Business Acquisition [Line Items]
Purchased Intangible Assets 2012		7
Useful life	1
Varian Semiconductor Equipment Associates Inc [Member] | Covenant not to compete [Member]
Business Acquisition [Line Items]
Purchased Intangible Assets 2012		$ 10
Useful life	2