Condensed Consolidated Statement Of Changes In Shareholders' Equity (USD $) In Millions, except Share data, unless otherwise specified	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					711	711
Other comprehensive loss:
Investments, net of tax of $9				15		15
Interest rate derivative, net of tax of $18				(30)		(30)
Total comprehensive income						696
Stock options and awards		94				94
Stock options and awards, shares	2,000,000					1,098,000
Net income tax impact from exercise of stock options		(6)				(6)
Dividends paid ($0.75 per share)			2		(209)	(207)
Treasury stock purchases			(1,956)			(1,956)
Treasury stock purchases, shares			(39,000,000)
Ending Balance at Oct. 29, 2011	$ 4	$ 2,313	$ (5,597)	$ (52)	$ 9,803	$ 6,471
Ending Balance, shares at Oct. 29, 2011	357,000,000		(103,000,000)