Shareholders' Equity (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Aug. 03, 2013	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Stockholders' Equity Note [Abstract]
Preferred stock, shares authorized		125,000,000
Preferred stock, par value		$ 0.01
Preferred stock, shares issued		0
Common stock, shares authorized		1,000,000,000
Common stock, par value		$ 0.01
Common stock, shares issued		410,605,800	444,605,800	487,338,500	495,038,500
Common stock, shares outstanding		364,935,000	387,701,100	414,181,000	423,341,300
Retirement of common stock		34,000,000	42,732,700	7,700,000
Stock repurchase program authorized amount	$ 1,500	$ 13,500
Stock repurchased during period, shares		33,600,000	35,572,886	16,356,531
Stock repurchased during period, value		1,570	1,350	500
Stock repurchase program remaining authorized repurchase amount		$ 1,432
Treasury Stock, Other [Member]
Stockholders' Equity Note [Abstract]
Common stock, shares issued		44,441,600	55,695,200	71,910,700	70,448,200
Retirement of common stock		34,000,000	42,732,700	7,700,000