Fair Value Measurements (Details Textual) (USD $)	3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended
	Jul. 27, 2014	Jul. 28, 2013	Jul. 27, 2014	Jul. 28, 2013	Jul. 27, 2014 Fair Value, Measurements, Nonrecurring [Member] Level 3 [Member]	Oct. 27, 2013 Fair Value, Measurements, Nonrecurring [Member] Level 3 [Member]	Jul. 27, 2014 Equity Investments In Privately Held Companies [Member]	Jul. 28, 2013 Equity Investments In Privately Held Companies [Member]	Jul. 27, 2014 Equity Investments In Privately Held Companies [Member]	Jul. 28, 2013 Equity Investments In Privately Held Companies [Member]	Jul. 27, 2014 Carrying Amount [Member]	Oct. 27, 2013 Carrying Amount [Member]	Jul. 27, 2014 Carrying Amount [Member] Equity Investments In Privately Held Companies [Member] Short Term And Long Term Investments [Member]	Oct. 27, 2013 Carrying Amount [Member] Equity Investments In Privately Held Companies [Member] Short Term And Long Term Investments [Member]	Jul. 27, 2014 Portion at Cost [Member]	Oct. 27, 2013 Portion at Cost [Member]	Jul. 27, 2014 Estimated Fair Value [Member] Level 2 [Member]	Oct. 27, 2013 Estimated Fair Value [Member] Level 2 [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Fair value of level one and level two transfers amount	$ 0	$ 0	$ 0	$ 0
Equity investments in privately-held companies measured on non-recurring basis					10,000,000	10,000,000							73,000,000	76,000,000	63,000,000	66,000,000
Investment impairments							7,000,000	3,000,000	13,000,000	5,000,000
Long-term debt											$ 1,900,000,000	$ 1,900,000,000					$ 2,200,000,000	$ 2,100,000,000