Shareholders' Equity (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Aug. 02, 2013		Aug. 03, 2012		Aug. 02, 2013		Aug. 03, 2012
Shareholders' Equity
Reduction in retained earnings	$ 863,000,000		$ 921,000,000		$ 1,836,000,000		$ 2,578,000,000
Share Repurchases
Share repurchases, value	1,005,000,000	[1]	1,003,000,000	[1]	2,051,000,000	[2]	2,793,000,000	[2]
Share repurchases, shares	27.2		36.9		51.6		96.2
Share Repurchase Program [Member]
Share Repurchases
Share repurchases, value	1,003,000,000	[1]	1,000,000,000	[1]	2,013,000,000	[2]	2,750,000,000	[2]
Share repurchases, shares	27.1		36.8		50.6		94.7
Shares Withheld from Employees [Member]
Share Repurchases
Share repurchases, value	$ 2,000,000	[1]	$ 3,000,000	[1]	$ 38,000,000	[2]	$ 43,000,000	[2]
Share repurchases, shares	0.1		0.1		1.0		1.5

[1] Reductions of $863 million and $921 million were recorded to retained earnings, after capital in excess of par value was depleted, for the three months ended August 2, 2013 and August 3, 2012, respectively.

[2] Reductions of $1.8 billion and $2.6 billion were recorded to retained earnings, after capital in excess of par value was depleted, for the six months ended August 2, 2013 and August 3, 2012, respectively.