CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011
Operating activities
Net income	$ 609	$ 711
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	620	583
Share-based compensation	37	43
Excess tax benefits from share-based compensation	(3)	(2)
Deferred income taxes	(46)	146
Other non-cash revenues and expenses	26	19
Changes in operating assets and liabilities:
Merchandise inventories	(1,613)	(1,091)
Other current and long-term assets	30	(1)
Accounts payable	1,196	942
Accrued and other long-term liabilities	(62)	(16)
Income taxes	(91)	(238)
Net cash provided by operating activities	703	1,096
Investing activities
Acquisition of property and equipment	(641)	(755)
Sales of investments in auction rate securities	68	143
Other	5	(20)
Net cash used in investing activities	(568)	(632)
Financing activities
Treasury stock purchases	(883)	(1,956)
Dividends paid	(227)	(207)
Proceeds from issuance of debt	350	646
Deferred financing costs	(3)	(8)
Interest rate hedge payment	0	(48)
Long-term debt payments	0	(400)
Proceeds from financing obligations	7	12
Capital lease and financing obligation payments	(87)	(69)
Proceeds from stock option exercises	50	47
Excess tax benefits from share-based compensation	3	2
Net cash used in financing activities	(790)	(1,981)
Net decrease in cash and cash equivalents	(655)	(1,517)
Cash and cash equivalents at beginning of period	1,205	2,277
Cash and cash equivalents at end of period	550	760
Supplemental information:
Interest paid, net of capitalized interest	207	205
Income taxes paid	490	512
Non-Cash Investing and Financing Activities
Property and equipment acquired through capital lease and financing obligations	$ 60	$ 57