Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2022	Jul. 30, 2021	Jul. 29, 2022	Jul. 30, 2021
Net Income
Basic Earnings	$ 678,030	$ 637,019	$ 1,230,687	$ 1,314,768
Diluted Earnings	$ 678,030	$ 637,019	$ 1,230,687	$ 1,314,768
Shares
Shares outstanding, basic	226,299	234,924	227,388	236,736
Effect of dilutive share-based awards	1,157	1,482	1,145	1,618
Shares outstanding, diluted	227,456	236,406	228,533	238,354
Per Share Amount
Basic earnings per share (in dollars per share)	$ 3.00	$ 2.71	$ 5.41	$ 5.55
Diluted earnings per share (in dollars per share)	$ 2.98	$ 2.69	$ 5.39	$ 5.52
Share-based awards outstanding excluded from computation of diluted earnings per share	100	100	100	100