Earnings Per Share (Computation Of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended																12 Months Ended
	Jan. 30, 2016	[1]	Oct. 31, 2015	[1]	Aug. 01, 2015	[1]	May. 02, 2015	[1]	Jan. 31, 2015	[1]	Nov. 01, 2014	[1]	Aug. 02, 2014	[1]	May. 03, 2014	[1]	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Earnings Per Share [Abstract]
Net earnings	$ 180		$ 81		$ 211		$ 128		$ 255		$ 142		$ 183		$ 140		$ 600	$ 720	$ 734
Basic (in shares)																	186.3	190.0	194.5
Dilutive effect of stock options and other (in shares)																	3.8	3.6	3.2
Diluted (in shares)																	190.1	193.6	197.7
Earnings per basic share (in dollars per share)	$ 1.01		$ 0.43		$ 1.11		$ 0.67		$ 1.35		$ 0.74		$ 0.97		$ 0.74		$ 3.22	$ 3.79	$ 3.77
Earnings per diluted share (in dollars per share)	$ 1.00		$ 0.42		$ 1.09		$ 0.66		$ 1.32		$ 0.73		$ 0.95		$ 0.72		$ 3.15	$ 3.72	$ 3.71
Anti-dilutive stock options and other equity instruments																	2.3	2.1	4.1

[1] Quarterly totals may not foot across due to rounding.