Employee Benefit Plans (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 28, 2012 Age	Oct. 30, 2011	Oct. 31, 2010
Employee Benefits Plans (Textuals) [Abstract]
Charges to expense under Employee bonus plans	$ 271	$ 319	$ 320
Percentage vested in matching contribution account for participants employed after January 1, 2010	100.00%
Number of days for future cash dividends paid on shares held in the Stock Fund either reinvested or distributed	90 days
Contributions under Employee Savings and Retirement Plan, net	27	27	25
Contributions under Employee Savings and Retirement Plan - Forfeitures			1
Minimum age limit for medical and vision benefits, years	55
Minimum service limit for medical and vision benefits, years	years of service plus their age equals at least 65 at their date of retirement
Liability under U.S. post retirement plan	221	130
Period of estimated future benefit payments	next ten fiscal years
Estimated company contributions to pension plans and the post-retirement plan	17
Other Postretirement Benefit Plans, Defined Benefit [Member]
Employee Benefits Plans (Textuals) [Abstract]
Liability under U.S. post retirement plan	28	13
Executive Deferred Compensation Plans [Member]
Employee Benefits Plans (Textuals) [Abstract]
Amounts payable under EDCP - Noncurrent	50	59
Varian Semiconductor Equipment Associates Inc [Member]
Employee Benefits Plans (Textuals) [Abstract]
Contributions under Employee Savings and Retirement Plan, net	10
Amounts payable under EDCP - Noncurrent	6
Amounts payable under EDCP - Current and Noncurrent	$ 7