Current and long-term obligations - Revolving Facility (Details) $ in Millions	6 Months Ended
	Aug. 02, 2024 USD ($)
Senior unsecured credit facility, Revolving Facility
Current and long-term obligations
Facility fee rate	0.11%
Long-term obligations	$ 0.0
Borrowing availability under credit facility	2,000.0
Borrowing availability except for amount reserved for commercial paper program	1,800.0
Maximum financing under credit agreements	$ 2,000.0
Senior unsecured credit facility, Revolving Facility | Base-rate loans
Current and long-term obligations
Spread on variable rate (as a percent)	0.015%
Senior unsecured credit facility, Revolving Facility | SOFR
Current and long-term obligations
Spread on variable rate (as a percent)	1.015%
Credit spread asjustment	0.10%
Senior unsecured credit facility, Revolving Facility | Letters of credit
Current and long-term obligations
Letters of credit outstanding	$ 0.0
Maximum financing under credit agreements	100.0
Letter Of Credit Outside Of Revolving Facility
Current and long-term obligations
Letters of credit outstanding	$ 52.6