Balance Sheet Detail (Details Textual) (USD $) In Millions, unless otherwise specified	6 Months Ended					3 Months Ended
	Apr. 29, 2012	May 01, 2011	Apr. 29, 2012 Building improvements [Member] Y	Apr. 29, 2012 Demonstration and manufacturing equipment [Member] Y	Apr. 29, 2012 Furniture, fixtures and other equipment [Member] Y	Jan. 30, 2011 North America [Member]
Balance Sheet Detail (Textual) [Abstract]
Useful Life, minimum (in years)			3	3	3
Useful Life, maximum (in years)			30	5	15
Proceeds from sale of property	$ 0	$ 39				$ 39
Loss incurred on sale of property						1
Untendered shares obligation	$ 16