Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Operating activities
Net income	$ 1,167	$ 1,120	$ 973
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	778	750	688
Share-based compensation	57	66	64
Deferred income taxes	144	39	40
Other non-cash revenues and expenses	41	38	38
Changes in operating assets and liabilities:
Merchandise inventories	(158)	(107)	(119)
Other current and long-term assets	(42)	(50)	(13)
Accounts payable	96	(50)	306
Accrued and other long-term liabilities	61	13	235
Income taxes	(1)	(63)	74
Net cash provided by operating activities	2,143	1,756	2,286
Investing activities
Acquisition of property and equipment	(927)	(801)	(675)
Sales of investments in auction rate securities	145	42	28
Other	(20)	2	(2)
Net cash used in investing activities	(802)	(757)	(649)
Financing activities
Treasury stock purchases	(2,311)	(1,004)	(1)
Long-term debt payments	(400)
Capital lease and financing obligation payments	(91)	(84)	(70)
Proceeds from financing obligations	14	27	10
Proceeds from issuance of debt	646
Interest rate hedge payment	(48)
Deferred financing costs	(8)
Proceeds from stock option exercises	58	75	51
Dividends paid	(271)
Other	(2)	(3)	(3)
Net cash used in financing activities	(2,413)	(989)	(13)
Net (decrease) increase in cash and cash equivalents	(1,072)	10	1,624
Cash and cash equivalents at beginning of year	2,277	2,267	643
Cash and cash equivalents at end of year	1,205	2,277	2,267
Supplemental information:
Interest paid, net of capitalized interest	297	304	300
Income taxes paid	550	689	470
Non-cash investing and financing activities
Property and equipment acquired through capital lease and financing obligations	$ 79	$ 107	$ 183