Condensed Consolidated Statement of Cash Flows (Unaudited) (USD $) In Millions	9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Cash flows from operating activities:
Net income	$ 723	$ 392
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	190	135
Share-based compensation	58	51
Deferred taxes	30	(27)
Excess and obsolete inventory and inventory-related charges	20	21
Gain on divestitures, net	0	(125)
Other non-cash expenses, net	9	21
Changes in assets and liabilities:
Accounts receivable	(31)	(109)
Inventory	(192)	(22)
Accounts payable	(36)	85
Employee compensation and benefits	(56)	(54)
Interest swap proceeds	31	0
Other assets and liabilities	4	(23)
Net cash provided by operating activities	750	345
Cash flows from investing activities:
Investments in property, plant and equipment	(138)	(87)
Proceeds from sale of property, plant and equipment	17	7
Proceeds from sale of investments	14	38
Proceeds from divestiture, net of cash divested	0	216
Acquisitions of businesses and intangible assets, net of cash acquired	(96)	(1,310)
Change in restricted cash and cash equivalents, net	1,545	5
Net cash provided by (used in) investing activities	1,342	(1,131)
Cash flows from financing activities:
Issuance of common stock under employee stock plans	299	264
Repayment of debt	(1,500)	(29)
Issuance of senior notes	0	747
Debt issuance cost	0	(5)
Treasury stock repurchases	(462)	(359)
Net cash provided by (used in) financing activities	(1,663)	618
Effect of exchange rate movements	23	6
Net increase (decrease) in cash and cash equivalents	452	(162)
Cash and cash equivalents at beginning of period	2,649	2,479
Cash and cash equivalents at end of period	$ 3,101	$ 2,317