Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v3.22.4
Summary of Significant Accounting Policies (Details)
 12 Months Ended
Jan. 28, 2023
USD ($)
state
distribution_center
province
store
segment
Jan. 29, 2022
USD ($)
Jan. 30, 2021
USD ($)
Feb. 01, 2020
USD ($)
Property, Plant and Equipment [Line Items]        
Number of retail discount stores | store 16,300      
Number of states/provinces the Company operates in | state 48      
Number of reporting business segments | segment 2      
Money market securities valued at cost, in cash and cash equivalents $ 317,200,000 $ 680,600,000    
Warehousing and distribution costs capitalized into inventory 298,600,000 203,200,000    
Interest costs capitalized 3,800,000 1,100,000 $ 3,200,000  
Operating lease right-of-use assets 6,458,000,000 6,425,300,000    
Operating lease liabilities 6,704,900,000      
Stockholders' equity (8,751,500,000) (7,718,500,000) (7,285,300,000) $ (6,254,800,000)
Amortization expense, net 29,900,000 38,500,000 48,100,000  
Impairment charge for certain store assets 39,900,000 4,400,000 4,600,000  
Operating lease, impairment loss 20,100,000 $ 3,900,000 $ 3,800,000  
Asset impaiment $ 14,000,000      
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  
Impairment of indefinite lived intangible assets $ 0 $ 0 $ 0  
Advertising costs 99,500,000 93,900,000 80,800,000  
Stock-based compensation expense 110,400,000 79,900,000 83,900,000  
Family Dollar        
Property, Plant and Equipment [Line Items]        
Cumulative goodwill impairment charges $ 3,040,000,000      
Buildings | Minimum        
Property, Plant and Equipment [Line Items]        
Useful life (in years) 39 years      
Buildings | Maximum        
Property, Plant and Equipment [Line Items]        
Useful life (in years) 40 years      
Furniture, fixtures and equipment | Minimum        
Property, Plant and Equipment [Line Items]        
Useful life (in years) 3 years      
Furniture, fixtures and equipment | Maximum        
Property, Plant and Equipment [Line Items]        
Useful life (in years) 15 years      
Software Development        
Property, Plant and Equipment [Line Items]        
Useful life (in years) 3 years      
Dollar Tree        
Property, Plant and Equipment [Line Items]        
Merchandise fixed price $ 1.25      
Family Dollar        
Property, Plant and Equipment [Line Items]        
Number of distribution centers | distribution_center 10      
Canada        
Property, Plant and Equipment [Line Items]        
Number of states/provinces the Company operates in | province 5      
Canada | Dollar Tree        
Property, Plant and Equipment [Line Items]        
Number of distribution centers | distribution_center 2      
United States | Dollar Tree        
Property, Plant and Equipment [Line Items]        
Number of distribution centers | distribution_center 15      
Retained Earnings        
Property, Plant and Equipment [Line Items]        
Stockholders' equity $ (8,123,000,000) $ (6,507,600,000) $ (5,179,700,000) $ (3,837,800,000)