Segment reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 28, 2022 USD ($) segment	Oct. 29, 2021 USD ($) segment	Oct. 28, 2022 USD ($) segment	Oct. 29, 2021 USD ($) segment
Net sales data for classes of similar products
Net sales	$ 9,464,891	$ 8,517,839	$ 27,641,956	$ 25,569,001
Number of reportable segments
Number of reportable operating segments | segment	1	1	1	1
Consumables
Net sales data for classes of similar products
Net sales	$ 7,664,806	$ 6,704,750	$ 22,101,146	$ 19,695,835
Seasonal
Net sales data for classes of similar products
Net sales	942,831	913,872	2,991,113	3,054,565
Home products
Net sales data for classes of similar products
Net sales	574,425	551,109	1,674,013	1,683,614
Apparel
Net sales data for classes of similar products
Net sales	$ 282,829	$ 348,108	$ 875,684	$ 1,134,987