Common stock transactions (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended	3 Months Ended				12 Months Ended
	Aug. 24, 2022	Apr. 05, 2024	Feb. 02, 2024	Nov. 03, 2023	Aug. 04, 2023	May 05, 2023	Feb. 02, 2024	Feb. 03, 2023	Jan. 28, 2022
Common stock transactions
Aggregate purchase price								$ 2,748,014	$ 2,549,669
Cash dividend paid (in dollars per share)			$ 0.59	$ 0.59	$ 0.59	$ 0.59	$ 2.36	$ 2.20	$ 1.68
Subsequent event
Common stock transactions
Cash dividend declared (in dollars per share)		$ 0.59
Common Stock
Common stock transactions
Shares acquired under share repurchase program								11,643	12,058
Aggregate purchase price								$ 10,188	$ 10,551
Common Stock | Pursuant to Authorized Repurchase Program
Common stock transactions
Common stock repurchase program, increase in the authorized amount	$ 2,000,000
Common stock repurchase authorization	$ 16,000,000
Shares acquired under share repurchase program								11,600	12,100
Aggregate purchase price								$ 2,700,000	$ 2,500,000