Quarterly report pursuant to Section 13 or 15(d)

Segments and Disaggregated Revenue - Disaggregation of Revenue (Details)

v3.22.2.2
Segments and Disaggregated Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 29, 2022
Oct. 30, 2021
Oct. 29, 2022
Oct. 30, 2021
Disaggregation of Revenue [Line Items]        
Net sales $ 6,936.6 $ 6,415.4 $ 20,602.0 $ 19,232.4
Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales 3,756.1 3,417.4 11,109.0 10,003.0
Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 3,180.5 $ 2,998.0 $ 9,493.0 $ 9,229.4
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 $ 1,735.5 $ 1,563.0 $ 5,154.6 $ 4,671.4
Consumable | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 2,515.8 $ 2,359.4 $ 7,417.9 $ 7,065.3
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 46.20% 45.70% 46.40% 46.70%
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 79.10% 78.70% 78.10% 76.60%
Variety | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 1,708.3 $ 1,596.3 $ 5,465.6 $ 4,961.5
Variety | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 45.50% 46.70% 49.20% 49.60%
Seasonal | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 312.3 $ 258.1 $ 488.8 $ 370.1
Seasonal | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 8.30% 7.60% 4.40% 3.70%
Home Products | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 238.5 $ 228.7 $ 720.7 $ 777.0
Home Products | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 7.50% 7.60% 7.60% 8.40%
Apparel And Accessories | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 181.4 $ 178.3 $ 540.7 $ 592.4
Apparel And Accessories | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 5.70% 6.00% 5.70% 6.40%
Seasonal And Electronics | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 244.8 $ 231.6 $ 813.7 $ 794.7
Seasonal And Electronics | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 7.70% 7.70% 8.60% 8.60%