Earnings Per Share (Details) - $ / shares shares in Thousands	3 Months Ended
	Apr. 30, 2016	May 02, 2015
Earnings Per Share [Abstract]
Basic (in shares)	395,799	407,653
Basic (in dollars per share)	$ 0.73	$ 0.69
Effect of dilutive common stock equivalents, (in shares)	3,013	3,733
Effect of dilutive common stock equivalents, (in dollars per share)	$ 0.00	$ 0.00
Diluted (in shares)	398,812	411,386
Diluted (in dollars per share)	$ 0.73	$ 0.69