Segment reporting (Details) $ in Thousands	12 Months Ended
	Feb. 03, 2023 USD ($) segment	Jan. 28, 2022 USD ($) segment	Jan. 29, 2021 USD ($) segment
Net sales data for classes of similar products
Net sales	$ 37,844,863	$ 34,220,449	$ 33,746,839
Number of reportable segments
Number of reportable operating segments | segment	1	1	1
Consumables
Net sales data for classes of similar products
Net sales	$ 30,155,218	$ 26,258,605	$ 25,906,685
Seasonal
Net sales data for classes of similar products
Net sales	4,182,815	4,182,165	4,083,650
Home products
Net sales data for classes of similar products
Net sales	2,332,411	2,322,367	2,209,950
Apparel
Net sales data for classes of similar products
Net sales	$ 1,174,419	$ 1,457,312	$ 1,546,554