Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 27, 2013	Oct. 28, 2012	Oct. 30, 2011
Cash flows from operating activities:
Net income	$ 256	$ 109	$ 1,926
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	410	422	246
Impairment of goodwill and intangible assets	278	421	0
Restructuring charges and asset impairments	63	168	(30)
Deferred income tax and other	(91)	222	136
Share-based compensation	162	182	146
Changes in operating assets and liabilities, net of amounts acquired:
Accounts receivable	(404)	493	292
Inventories	(141)	679	(163)
Other assets	(63)	46	(61)
Accounts payable and accrued expenses	78	(469)	(310)
Customer deposits and deferred revenue	39	(412)	267
Other liabilities	36	(10)	(20)
Cash provided by operating activities	623	1,851	2,429
Cash flows from investing activities:
Capital expenditures	(197)	(162)	(209)
Cash paid for acquisitions, net of cash acquired	(1)	(4,190)	0
Proceeds from sale of facilities	7	0	130
Proceeds from sales and maturities of investments	1,013	1,019	1,923
Purchases of investments	(607)	(1,327)	(1,137)
Cash provided by (used in) investing activities	215	(4,660)	707
Cash flows from financing activities:
Debt borrowings (repayments), net	0	(1)	1,730
Proceeds from common stock issuances and others, net	182	97	95
Common stock repurchases	(245)	(1,416)	(468)
Payments of dividends to stockholders	(456)	(434)	(397)
Cash provided by (used in) financing activities	(519)	(1,754)	960
Effect of exchange rate changes on cash and cash equivalents	0	(5)	6
Increase (decrease) in cash and cash equivalents	319	(4,568)	4,102
Cash and cash equivalents - beginning of year	1,392	5,960	1,858
Cash and cash equivalents - end of year	1,711	1,392	5,960
Supplemental cash flow information:
Cash payments for income taxes	196	243	761
Cash refunds from income taxes	102	79	289
Cash payments for interest	$ 92	$ 94	$ 14