Leases (Details) $ in Millions	9 Months Ended
	Nov. 01, 2019 USD ($)
Leases
Weighted-average remaining lease term	10 years 2 months 12 days
Weighed average discount rate	4.30%
Cash paid for operating leases	$ 949.0
Operating lease cost	944.8
Variable lease cost	$ 180.7
Maximum
Leases
Typical period of primary lease term for operating lease, build-to-suit, maximum	15 years