Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 29, 2022	Apr. 30, 2021
Net Income
Basic Earnings	$ 552,657	$ 677,749
Diluted Earnings	$ 552,657	$ 677,749
Shares
Shares outstanding, basic	228,477	238,548
Effect of dilutive share-based awards	1,132	1,753
Shares outstanding, diluted	229,609	240,301
Per Share Amount
Basic earnings per share (in dollars per share)	$ 2.42	$ 2.84
Diluted earnings per share (in dollars per share)	$ 2.41	$ 2.82
Share-based awards outstanding excluded from computation of diluted earnings per share	100	100