Segment reporting (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2022 USD ($) segment	Jul. 30, 2021 USD ($) segment	Jul. 29, 2022 USD ($) segment	Jul. 30, 2021 USD ($) segment
Net sales data for classes of similar products
Net sales	$ 9,425,713	$ 8,650,198	$ 18,177,065	$ 17,051,162
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	$ 7,475,839	$ 6,612,950	$ 14,436,340	$ 12,991,085
Seasonal
Net sales data for classes of similar products
Net sales	1,086,904	1,090,311	2,048,282	2,140,693
Home products
Net sales data for classes of similar products
Net sales	559,766	561,190	1,099,588	1,132,505
Apparel
Net sales data for classes of similar products
Net sales	$ 303,204	$ 385,747	$ 592,855	$ 786,879