Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 28, 2012	Oct. 30, 2011	Oct. 31, 2010
Cash flows from operating activities:
Net income	$ 109	$ 1,926	$ 938
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	422	246	305
Net loss (gain) on dispositions and fixed asset retirements	7	(13)	20
Provision for bad debts	14	5	17
Impairment of goodwill	421	0	0
Restructuring charges and asset impairments	168	(30)	246
Deferred income taxes	161	122	(186)
Net recognized loss on investments	23	19	20
Impairments of strategic investments	17	3	13
Share-based compensation	182	146	126
Changes in operating assets and liabilities, net of amounts acquired:
Accounts receivable	493	292	(767)
Inventories	679	(163)	145
Other current assets	37	(23)	179
Other assets	9	(38)	(7)
Accounts payable and accrued expenses	(435)	(221)	469
Customer deposits and deferred revenue	(412)	267	(23)
Income taxes payable	(34)	(89)	262
Employee benefits and other liabilities	(10)	(20)	(34)
Cash provided by operating activities	1,851	2,429	1,723
Cash flows from investing activities:
Capital expenditures	(162)	(209)	(169)
Cash paid for acquisitions, net of cash acquired	(4,190)	0	(323)
Proceeds from sale of facilities and dispositions	0	130	0
Proceeds from sales and maturities of investments	1,019	1,923	1,408
Purchases of investments	(1,327)	(1,137)	(1,778)
Cash provided by (used in) investing activities	(4,660)	707	(862)
Cash flows from financing activities:
Debt borrowings (repayments), net	(1)	1,744	(6)
Payments of debt issuance costs	0	(14)	0
Proceeds from common stock issuances	97	95	129
Common stock repurchases	(1,416)	(468)	(350)
Payments of dividends to stockholders	(434)	(397)	(349)
Cash provided by (used in) financing activities	(1,754)	960	(576)
Effect of exchange rate changes on cash and cash equivalents	(5)	6	(3)
Increase (decrease) in cash and cash equivalents	(4,568)	4,102	282
Cash and cash equivalents - beginning of year	5,960	1,858	1,576
Cash and cash equivalents - end of year	1,392	5,960	1,858
Supplemental cash flow information:
Cash payments for income taxes	243	761	388
Cash refunds from income taxes	79	289	201
Cash payments for interest	$ 94	$ 14	$ 14