Share Repurchase (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	12 Months Ended			1 Months Ended		12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Jan. 28, 2012 2012 Share Repurchase Program	Nov. 30, 2007 2007 Share Repurchase Program	Feb. 02, 2013 Cash investment	Jan. 28, 2012 Cash investment	Jan. 29, 2011 Cash investment	Feb. 02, 2013 Prepaid forward contracts market value	Jan. 28, 2012 Prepaid forward contracts market value	Jan. 29, 2011 Prepaid forward contracts market value
Share Repurchase Information
Amount approved by board of directors for share repurchase program				$ 5,000,000,000	$ 10,000,000,000
Total Number of Shares Purchased	32.2	37.2	47.8
Repurchase of stock, average price per share (in dollars per share)	$ 58.96	$ 50.89	$ 52.44
Total Investment	1,900,000,000	1,894,000,000	2,508,000,000
Stock repurchased, delivered upon settlement of prepaid forward contracts	0.5	1.0	1.1
Repurchase of stock	1,903,000,000	1,894,000,000	2,514,000,000			25,000,000	52,000,000	56,000,000
Stock repurchased, delivered upon settlement of prepaid forward contracts									$ 29,000,000	$ 52,000,000	$ 61,000,000