Goodwill, Purchased Technology and Other Intangible Assets (Details 5) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 27, 2013
Future estimated amortization expense
Future estimated amortization expense, 2013	$ 160
Future estimated amortization expense, 2014	198
Future estimated amortization expense, 2015	184
Future estimated amortization expense, 2016	175
Future estimated amortization expense, 2017	174
Future estimated amortization expense, Thereafter	269
Total	$ 1,160