Condensed Consolidated Statements of Cash Flows (USD $) In Millions	3 Months Ended
	Apr. 29, 2011	Apr. 30, 2010
Cash flows from operating activities:
Net income	$ 945	$ 341
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	216	247
Stock-based compensation	99	76
Effects of exchange rate changes on monetary assets and liabilities denominated in foreign currencies	0	30
Deferred income taxes	(63)	(31)
Provision for doubtful accounts — including financing receivables	47	122
Other	(5)	0
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	471	(119)
Financing receivables	21	(208)
Inventories	38	(132)
Other assets	110	69
Accounts payable	(925)	22
Deferred services revenue	191	72
Accrued and other liabilities	(680)	(251)
Change in cash from operating activities	465	238
Cash flows from investing activities:
Purchases	(240)	(350)
Maturities and sales	222	169
Capital expenditures	(137)	(46)
Proceeds from sale of facility and land	12	0
Collections on purchased financing receivables	67	0
Acquisition of business, net of cash received	(1,473)	(133)
Change in cash from investing activities	(1,549)	(360)
Cash flows from financing activities:
Repurchase of common stock	(450)	(200)
Issuance of common stock under employee plans	10	7
Issuance of commercial paper (maturity 90 days or less), net	0	234
Proceeds from debt	1,930	268
Repayments of debt	(323)	(566)
Other	3	3
Change in cash from financing activities	1,170	(254)
Effect of exchange rate changes on cash and cash equivalents	62	(4)
Change in cash and cash equivalents	148	(380)
Cash and cash equivalents at beginning of the period	13,913	10,635
Cash and cash equivalents at the end of the period	$ 14,061	$ 10,255