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 6 Months Ended
Jul. 30, 2022
Jul. 31, 2021
Jul. 30, 2022
Jul. 31, 2021
Disaggregation of Revenue [Line Items]        
Net sales $ 6,765.3 $ 6,340.2 $ 13,665.4 $ 12,817.0
Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales 3,571.1 3,264.3 7,352.9 6,585.6
Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 3,194.2 $ 3,075.9 $ 6,312.5 $ 6,231.4
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 $ 1,671.9 $ 1,524.1 $ 3,419.1 $ 3,108.4
Consumable | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 2,467.0 $ 2,332.4 $ 4,902.1 $ 4,705.9
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 46.80% 46.70% 46.50% 47.20%
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 77.30% 75.80% 77.70% 75.50%
Variety | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 1,892.9 $ 1,737.8 $ 3,757.3 $ 3,365.2
Variety | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 53.00% 53.20% 51.10% 51.10%
Seasonal | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 6.3 $ 2.4 $ 176.5 $ 112.0
Seasonal | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 0.20% 0.10% 2.40% 1.70%
Home Products | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 234.1 $ 247.3 $ 482.2 $ 548.3
Home Products | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 7.30% 8.00% 7.60% 8.80%
Apparel And Accessories | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 191.9 $ 208.9 $ 359.3 $ 414.1
Apparel And Accessories | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 6.00% 6.80% 5.70% 6.70%
Seasonal And Electronics | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 301.2 $ 287.3 $ 568.9 $ 563.1
Seasonal And Electronics | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 9.40% 9.40% 9.00% 9.00%