Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 28, 2012	Oct. 30, 2011	Oct. 31, 2010
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income	$ 109	$ 1,926	$ 938
Other comprehensive income, net of tax [Abstract]
Change in unrealized net gain (loss) on investments	(1)	(8)	4
Change in unrealized net gain (loss) on derivative investments	1	(4)	4
Change in defined benefit plan liability (Notes 12 and 13)	(65)	14	(6)
Change in cumulative translation adjustments	(2)	2	2
Other comprehensive income (loss), net of tax	(67)	4	4
Comprehensive income	$ 42	$ 1,930	$ 942