Current and long-term obligations - 364-Day Revolving Facility (Details) - USD ($) $ in Millions		12 Months Ended
	Jan. 31, 2023	Feb. 02, 2024	Jan. 29, 2024
Base-rate loans
Current and long-term obligations
Spread on variable rate (as a percent)		0.015%
Variable rate basis		base-rate
SOFR
Current and long-term obligations
Adjusted interest rate margin		1.015%
364-Day Revolving Facility
Current and long-term obligations
Maximum financing under credit agreements			$ 750
Facility fee rate	0.09%
364-Day Revolving Facility | SOFR
Current and long-term obligations
Spread on variable rate (as a percent)	0.10%
Adjusted interest rate margin	1.035%