Consolidated Statements of Cash Flows (USD $) In Millions	12 Months Ended
	Jan. 29, 2011	Jan. 30, 2010	Jan. 31, 2009
Operating activities
Net income	$ 1,120	$ 973	$ 857
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	750	688	632
Share-based compensation	66	64	55
Excess tax benefits from share-based compensation	3	3
Deferred income taxes	39	40	66
Other non-cash revenues and expenses	35	35	57
Changes in operating assets and liabilities:
Merchandise inventories	(107)	(119)	60
Other current and long-term assets	(50)	(13)	(40)
Accounts payable	(50)	306	48
Accrued and other long-term liabilities	13	235	43
Income taxes	(63)	74	(26)
Net cash provided by operating activities	1,756	2,286	1,752
Investing activities
Acquisition of property and equipment	(801)	(675)	(1,066)
Purchases of investments in auction rate securities			(53)
Sales of investments in auction rate securities	42	28	93
Other	2	(2)	11
Net cash used in investing activities	(757)	(649)	(1,015)
Financing activities
Treasury stock purchases	(1,004)	(1)	(262)
Capital lease and financing obligation payments	(84)	(70)	(62)
Proceeds from financing obligations	27	10	44
Proceeds from stock option exercises	75	51	5
Excess tax benefits from share-based compensation	(3)	(3)
Net cash used in financing activities	(989)	(13)	(275)
Net increase in cash and cash equivalents	10	1,624	462
Cash and cash equivalents at beginning of year	2,267	643	181
Cash and cash equivalents at end of year	2,277	2,267	643
Supplemental information:
Interest paid, net of capitalized interest	304	300	301
Income taxes paid	689	470	471
Non-cash investing and financing activities
Property and equipment acquired through capital lease and financing obligations	$ 107	$ 183	$ 62