Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Earnings Per Share [Abstract]
Net earnings	$ 284	$ 146	$ 156	$ 149	$ 236	$ 127	$ 175	$ 145	$ 735	$ 683	$ 613
Basic shares									203.0	213.5	218.8
Dilutive effect of stock options and other									3.7	4.2	3.8
Diluted shares									206.7	217.7	222.6
Earnings per basic share (in dollars per share)	$ 1.43	$ 0.73	$ 0.76	$ 0.72	$ 1.13	$ 0.60	$ 0.81	$ 0.66	$ 3.62	$ 3.20	$ 2.80
Earnings per diluted share (in dollars per share)	$ 1.40	$ 0.71	$ 0.75	$ 0.70	$ 1.11	$ 0.59	$ 0.80	$ 0.65	$ 3.56	$ 3.14	$ 2.75
Anti-dilutive stock options and other equity instruments									4.2	3.9	6.1