Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Aug. 02, 2013	Feb. 01, 2013	Aug. 03, 2012
Shareholders' equity:
Preferred stock, par value	$ 5	$ 5	$ 5
Preferred stock, shares issued	0	0	0
Common stock, par value	$ 0.50	$ 0.50	$ 0.50
Common stock, shares issued	1,063	1,110	1,152
Common stock, shares outstanding	1,063	1,110	1,152