Earnings Per Share (Computation Of Basic and Diluted Earnings Per Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Earnings Per Share [Abstract]
Net income	$ 292	$ 281	$ 516	$ 498
Net income available to common stockholders, basic	292	281	516	498
Net income available to common stockholders, diluted	$ 292	$ 281	$ 516	$ 498
Basic earnings per share	$ 0.81	$ 0.73	$ 1.42	$ 1.29
Diluted earnings per share	$ 0.80	$ 0.72	$ 1.40	$ 1.27
Average number of shares issued, basic	358.3	381.6	361.5	384.3
Shares to be issued under deferred compensation and other plans	0.9	0.9	1.0	1.0
Average number of shares outstanding, basic	359.2	382.5	362.5	385.3
Effect of dilutive securities-stock options, restricted stock and restricted stock units	6.2	6.8	6.5	6.6
Average number of shares outstanding, diluted	365.4	389.3	369.0	391.9