Segment reporting (Details) $ in Thousands	12 Months Ended
	Jan. 31, 2025 USD ($) segment store	Feb. 02, 2024 USD ($)	Feb. 03, 2023 USD ($)
Net sales data for classes of similar products
Net sales	$ 40,612,308	$ 38,691,609	$ 37,844,863
Interest expense, net	274,320	326,781	211,273
Income tax expense	314,501	458,245	700,625
Net income	1,125,253	1,661,274	2,415,989
Depreciation and amortization	$ 971,703	848,793	724,877
Number of reportable segments
Number of reportable operating segments | segment	1
MEXICO
Number of reportable segments
Number of retail stores in Mexico | store	8
Retail Stores Single Reportable Segment
Net sales data for classes of similar products
Net sales	$ 40,612,308	38,691,609	37,844,863
Shrink included in cost of goods sold	928,896	910,674	481,011
Cost of goods sold, excluding shrink	27,665,915	26,061,911	25,543,754
Interest expense, net	274,320	326,781	211,273
Income tax expense	314,501	458,245	700,625
Other segments items	10,303,423	9,272,724	8,492,211
Net income	1,125,253	1,661,274	2,415,989
Depreciation and amortization	971,700	848,800	724,900
Consumables
Net sales data for classes of similar products
Net sales	33,370,910	31,342,595	30,155,218
Seasonal
Net sales data for classes of similar products
Net sales	4,073,317	4,083,790	4,182,815
Home products
Net sales data for classes of similar products
Net sales	2,074,379	2,163,806	2,332,411
Apparel
Net sales data for classes of similar products
Net sales	$ 1,093,702	$ 1,101,418	$ 1,174,419