Stockholders' Equity, Comprehensive Income and Share-Based Compensation (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 26, 2014	Jan. 27, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ (38)
Other comprehensive income before reclassifications	3
Amounts reclassified out of AOCI	(9)
Other comprehensive income (loss), net of tax	(6)	(1)
Ending balance	(44)
Unrealized Gain on Investments, Net [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	25
Other comprehensive income before reclassifications	2
Amounts reclassified out of AOCI	(5)
Other comprehensive income (loss), net of tax	(3)
Ending balance	22
Unrealized Gain on Derivative Instruments Qualifying as Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	2
Other comprehensive income before reclassifications	3
Amounts reclassified out of AOCI	(4)
Other comprehensive income (loss), net of tax	(1)
Ending balance	1
Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(72)
Other comprehensive income before reclassifications	0
Amounts reclassified out of AOCI	0
Other comprehensive income (loss), net of tax	0
Ending balance	(72)
Cumulative Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	7
Other comprehensive income before reclassifications	(2)
Amounts reclassified out of AOCI	0
Other comprehensive income (loss), net of tax	(2)
Ending balance	$ 5