Consolidated Condensed Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 27, 2013	Jan. 29, 2012
Cash flows from operating activities:
Net income	$ 34	$ 117
Adjustments required to reconcile net income to cash provided by operating activities:
Depreciation and amortization	106	112
Restructuring charges and asset impairments	9	0
Deferred income taxes and other	(78)	39
Share-based compensation	42	53
Changes in operating assets and liabilities, net of amounts acquired:
Accounts receivable	112	147
Inventories	(6)	179
Other current and non current assets	80	96
Accounts payable and accrued expenses	(248)	(412)
Customer deposits and deferred revenue	(77)	(154)
Other liabilities	42	4
Cash provided by operating activities	16	181
Cash flows from investing activities:
Capital expenditures	(49)	(37)
Cash paid for acquisitions, net of cash acquired	0	(4,179)
Proceeds from sales and maturities of investments	445	313
Purchases of investments	(143)	(254)
Cash provided by (used in) investing activities	253	(4,157)
Cash flows from financing activities:
Proceeds from common stock issuances	18	2
Common stock repurchases	(48)	(200)
Payments of dividends to stockholders	(108)	(104)
Cash used in financing activities	(138)	(302)
Effect of exchange rate changes on cash and cash equivalents	0	(1)
Increase (decrease) in cash and cash equivalents	131	(4,279)
Cash and cash equivalents - beginning of year	1,392	5,960
Cash and cash equivalents - end of year	1,523	1,681
Supplemental cash flow information:
Cash payments for income taxes	32	33
Cash refunds from income taxes	65	3
Cash payments for interest	$ 39	$ 41