Condensed Consolidated Statements of Cash Flows (USD $) In Millions	9 Months Ended
	Oct. 28, 2011	Oct. 29, 2010
Cash flows from operating activities:
Net income	$ 2,728	$ 1,708
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	687	745
Stock-based compensation	261	225
Effects of exchange rate changes on monetary assets and liabilities denominated in foreign currencies	(19)	23
Deferred income taxes	(91)	(35)
Provision for doubtful accounts — including financing receivables	167	299
Other	46	4
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	(190)	(588)
Financing receivables	(162)	(459)
Inventories	(46)	(241)
Other assets	223	743
Accounts payable	(231)	(175)
Deferred services revenue	540	402
Accrued and other liabilities	(223)	(165)
Change in cash from operating activities	3,690	2,486
Cash flows from investing activities:
Purchases	(2,419)	(1,186)
Maturities and sales	856	1,184
Capital expenditures	(510)	(284)
Proceeds from sale of facility and land	12	18
Purchase of financing receivables	0	(430)
Collections on purchased financing receivables	204	20
Acquisitions, net of cash received	(2,564)	(246)
Change in cash from investing activities	(4,421)	(924)
Cash flows from financing activities:
Repurchase of common stock	(2,180)	(600)
Issuance of common stock under employee plans	34	11
Issuance of commercial paper (maturity 90 days or less), net	0	(176)
Proceeds from debt	3,317	2,554
Repayments of debt	(1,055)	(1,115)
Other	3	2
Change in cash from financing activities	119	676
Effect of exchange rate changes on cash and cash equivalents	(8)	16
Change in cash and cash equivalents	(620)	2,254
Cash and cash equivalents at beginning of the period	13,913	10,635
Cash and cash equivalents at the end of the period	$ 13,293	$ 12,889