Common stock transactions (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Billions		1 Months Ended	3 Months Ended			6 Months Ended
	Aug. 24, 2022	Aug. 30, 2024	Aug. 02, 2024	May 03, 2024	Aug. 04, 2023	Aug. 02, 2024	Aug. 04, 2023
Common stock transactions
Cash dividend paid (in dollars per share)			$ 0.59	$ 0.59	$ 0.59	$ 1.18	$ 1.18
Subsequent event
Common stock transactions
Cash dividend declared (in dollars per share)		$ 0.59
Common Stock | Pursuant to Authorized Repurchase Program
Common stock transactions
Common stock repurchase program, increase in the authorized amount	$ 2.0
Common stock repurchase authorization	$ 16.0
Shares acquired under share repurchase program						0	0