Leases - Supplemental Information (Details) - USD ($) $ in Millions  | 
3 Months Ended | |
|---|---|---|
May 02, 2020  | 
May 04, 2019  | 
|
| Leases [Abstract] | ||
| Operating cash flows from operating leases | $ 415.8 | $ 367.2 | 
| Right-of-use assets obtained in exchange for new operating lease liabilities | $ 261.0 | $ 215.4 | 
| X | ||||||||||
- References No definition available. 
  | 
| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
  | 
| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
  |