Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Oct. 29, 2011	Oct. 30, 2010
Operating activities
Net income	$ 711	$ 626
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	583	563
Share-based compensation	43	47
Excess tax benefits from share-based compensation	2	3
Deferred income taxes	146	(14)
Other non-cash revenues and expenses	19	26
Changes in operating assets and liabilities:
Merchandise inventories	(1,091)	(1,107)
Other current and long-term assets	(1)	1
Accounts payable	942	937
Accrued and other long-term liabilities	(16)	(76)
Income taxes	(238)	(212)
Net cash provided by operating activities	1,100	794
Investing activities
Acquisition of property and equipment	(755)	(673)
Sales of investments in auction rate securities	143	40
Other	(20)	4
Net cash used in investing activities	(632)	(629)
Financing activities
Treasury stock purchases	(1,956)	(4)
Dividends paid	(207)
Proceeds from issuance of debt	646
Deferred financing costs	(8)
Interest rate hedge payment	(48)
Long-term debt payments	(400)
Proceeds from financing obligations	12	28
Capital lease and financing obligation payments	(69)	(64)
Proceeds from stock option exercises	47	52
Excess tax benefits from share-based compensation	(2)	(3)
Net cash (used in) provided by financing activities	(1,985)	9
Net (decrease) increase in cash and cash equivalents	(1,517)	174
Cash and cash equivalents at beginning of period	2,277	2,267
Cash and cash equivalents at end of period	760	2,441
Supplemental information:
Interest paid, net of capitalized interest	205	215
Income taxes paid	512	599
Non-Cash Investing and Financing Activities
Property and equipment acquired through capital lease and financing obligations	$ 57	$ 75