Condensed Consolidated Statement Of Changes In Shareholders' Equity (USD $) In Millions, except Share data	Common Stock [Member]	Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total
Beginning Balance at Jan. 29, 2011	$ 4	$ 2,225	$ (3,643)	$ (37)	$ 9,301	$ 7,850
Beginning Balance, shares at Jan. 29, 2011	355,000,000		(64,000,000)
Net income					500	500
Other comprehensive loss:
Investments, net of tax of $11				17		17
Interest rate derivative, net of tax of $9				(15)		(15)
Total comprehensive income						502
Stock options and awards		75				75
Stock options and awards, shares	2,000,000					1,002,000
Net income tax impact from exercise of stock options		(5)				(5)
Dividends paid ($0.50 per share)			1		(141)	(140)
Treasury stock purchases			(1,204)			(1,204)
Treasury stock purchases, shares			(23,000,000)
Ending Balance at Jul. 30, 2011	$ 4	$ 2,295	$ (4,846)	$ (35)	$ 9,660	$ 7,078
Ending Balance, shares at Jul. 30, 2011	357,000,000		(87,000,000)