Earnings Per Share (Details) - $ / shares shares in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Earnings Per Share [Abstract]
Basic EPS (in shares)	386,433	395,799
Basic EPS (in dollars per share)	$ 0.83	$ 0.73
Effect of dilutive common stock equivalents, (in shares)	3,297	3,013
Effect of dilutive common stock equivalents, (in dollars per share)	$ (0.01)	$ 0.00
Diluted EPS (in shares)	389,730	398,812
Diluted EPS (in dollars per share)	$ 0.82	$ 0.73