Quarterly report pursuant to Section 13 or 15(d)

Segments and Disaggregated Revenue - Disaggregation of Revenue (Details)

v3.23.3
Segments and Disaggregated Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Oct. 28, 2023
Oct. 29, 2022
Oct. 28, 2023
Oct. 29, 2022
Disaggregation of Revenue [Line Items]        
Net sales $ 7,309.1 $ 6,936.6 $ 21,948.7 $ 20,602.0
Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales 4,003.8 3,756.1 11,808.9 11,109.0
Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 3,305.3 $ 3,180.5 $ 10,139.8 $ 9,493.0
Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 100.00% 100.00% 100.00% 100.00%
Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 100.00% 100.00% 100.00% 100.00%
Consumable | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 1,939.3 $ 1,735.5 $ 5,707.4 $ 5,154.6
Consumable | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 2,711.0 $ 2,515.8 $ 8,166.4 $ 7,417.9
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 48.40% 46.20% 48.30% 46.40%
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 82.00% 79.10% 80.50% 78.10%
Variety | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 1,745.5 $ 1,708.3 $ 5,590.9 $ 5,465.6
Variety | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 43.60% 45.50% 47.40% 49.20%
Seasonal | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 319.0 $ 312.3 $ 510.6 $ 488.8
Seasonal | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 8.00% 8.30% 4.30% 4.40%
Home Products | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 214.7 $ 238.5 $ 677.2 $ 720.7
Home Products | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 6.50% 7.50% 6.70% 7.60%
Apparel And Accessories | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 156.5 $ 181.4 $ 494.1 $ 540.7
Apparel And Accessories | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 4.70% 5.70% 4.90% 5.70%
Seasonal And Electronics | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 223.1 $ 244.8 $ 802.1 $ 813.7
Seasonal And Electronics | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 6.80% 7.70% 7.90% 8.60%