Condensed Consolidated Statements Of Cash Flows (USD $) In Millions	6 Months Ended
	Jul. 30, 2011	Jul. 31, 2010
Operating activities
Net income	$ 500	$ 449
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	382	355
Share-based compensation	29	32
Excess tax benefits from share-based compensation	1	2
Deferred income taxes	42	(41)
Other non-cash revenues and expenses	13	17
Changes in operating assets and liabilities:
Merchandise inventories	(57)	(5)
Other current and long-term assets	(14)	(6)
Accounts payable	208	158
Accrued and other long-term liabilities	(108)	(148)
Income taxes	(114)	(149)
Net cash provided by operating activities	882	664
Investing activities
Acquisition of property and equipment	(479)	(439)
Sales of investments in auction rate securities	97	20
Other	(1)	2
Net cash used in investing activities	(383)	(417)
Financing activities
Treasury stock purchases	(1,166)	(3)
Long-term debt payments	(300)
Capital lease and financing obligation payments	(46)	(44)
Proceeds from financing obligations	8	17
Dividends paid	(142)
Proceeds from stock option exercises	43	36
Excess tax benefits from share-based compensation	(1)	(2)
Other	(3)
Net cash (used in) provided by financing activities	(1,607)	4
Net (decrease) increase in cash and cash equivalents	(1,108)	251
Cash and cash equivalents at beginning of period	2,277	2,267
Cash and cash equivalents at end of period	1,169	2,518
Supplemental information:
Interest paid, net of capitalized interest	155	154
Income taxes paid	364	462
Non-Cash Investing and Financing Activities
Property and equipment acquired through capital lease and financing obligations	$ 27	$ 58