Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies (Details)

v3.25.1
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Feb. 01, 2025
Feb. 03, 2024
Feb. 01, 2025
Feb. 03, 2024
Jan. 28, 2023
Feb. 01, 2020
Feb. 02, 2019
Mar. 25, 2025
Jan. 29, 2022
Property, Plant and Equipment [Line Items]                  
Money market securities valued at cost, in cash and cash equivalents $ 1,050.9 $ 225.2 $ 1,050.9 $ 225.2          
Warehousing and distribution costs capitalized into inventory 195.3 166.9 195.3 166.9          
Interest costs capitalized     7.6 5.9 $ 3.8        
Self-insurance liability 244.3 187.0 244.3 187.0          
Discontinued operations, self insurance liability 185.0 176.5 185.0 176.5          
Self-insurance, restricted cash balances 75.7 72.3 75.7 72.3          
Operating lease right-of-use assets 4,146.4 3,672.7 4,146.4 3,672.7          
Operating lease liabilities 4,399.4   4,399.4            
Stockholders' equity (3,977.4) (7,313.1) (3,977.4) (7,313.1) (8,751.5)       $ (7,718.5)
Impairment charge for certain store assets     $ 52.1 $ 10.9 $ 1.4        
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]     Selling, general and administrative expenses Selling, general and administrative expenses Selling, general and administrative expenses        
Stock-based compensation expense     $ 124.9 $ 96.7 $ 110.4        
Goodwill impairment 490.5 1,069.0       $ 313.0 $ 2,727.0    
Impairments     52.1 10.9 1.5        
Bank overdraft balances 155.5 50.3 155.5 50.3          
Family Dollar                  
Property, Plant and Equipment [Line Items]                  
Goodwill impairment   1,069.0 490.5 1,069.0          
Discontinued Operations, Disposed of by Sale                  
Property, Plant and Equipment [Line Items]                  
Capitalized Computer Software, Impairments     44.0            
Discontinued Operations, Disposed of by Sale | Family Dollar                  
Property, Plant and Equipment [Line Items]                  
Operating lease right-of-use assets $ 2,580.6 2,815.6 2,580.6 2,815.6          
Discontinued operations, impairment     80.2 500.6 38.7        
Operating lease, impairment loss     70.0 343.9          
Asset impaiment     10.0 149.2          
Goodwill impairment     $ 490.5 1,069.0 0.0        
Discontinued Operations, Disposed of by Sale | Family Dollar | Subsequent Event                  
Property, Plant and Equipment [Line Items]                  
Purchase consideration               $ 1,007.0  
Net proceeds               $ 804.0  
Trade Names | Family Dollar                  
Property, Plant and Equipment [Line Items]                  
Impairments   950.0              
Buildings | Minimum                  
Property, Plant and Equipment [Line Items]                  
Useful life (in years) 39 years   39 years            
Buildings | Maximum                  
Property, Plant and Equipment [Line Items]                  
Useful life (in years) 40 years   40 years            
Building Improvements                  
Property, Plant and Equipment [Line Items]                  
Useful life (in years) 20 years   20 years            
Furniture, fixtures and equipment | Minimum                  
Property, Plant and Equipment [Line Items]                  
Useful life (in years) 3 years   3 years            
Furniture, fixtures and equipment | Maximum                  
Property, Plant and Equipment [Line Items]                  
Useful life (in years) 15 years   15 years            
Retained Earnings                  
Property, Plant and Equipment [Line Items]                  
Stockholders' equity $ (3,941.5) $ (7,124.6) $ (3,941.5) $ (7,124.6) $ (8,123.0)       $ (6,507.6)