Quarterly report pursuant to Section 13 or 15(d)

Segments and Disaggregated Revenue - Disaggregation of Revenue (Details)

v3.21.2
Segments and Disaggregated Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 30, 2021
Oct. 31, 2020
Oct. 30, 2021
Oct. 31, 2020
Disaggregation of Revenue [Line Items]        
Net sales $ 6,415.4 $ 6,176.7 $ 19,232.4 $ 18,741.1
Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales 3,417.4 3,303.2 10,003.0 9,557.6
Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 2,998.0 $ 2,873.5 $ 9,229.4 $ 9,183.5
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 $ 1,563.0 $ 1,564.1 $ 4,671.4 $ 4,778.8
Consumable | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 2,359.4 $ 2,255.7 $ 7,065.3 $ 7,077.5
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 45.70% 47.40% 46.70% 50.00%
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 78.70% 78.50% 76.60% 77.10%
Variety | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 1,596.3 $ 1,520.9 $ 4,961.5 $ 4,473.0
Variety | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 46.70% 46.00% 49.60% 46.80%
Seasonal | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Net sales $ 258.1 $ 218.2 $ 370.1 $ 305.8
Seasonal | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 7.60% 6.60% 3.70% 3.20%
Home Products | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 228.7 $ 240.1 $ 777.0 $ 802.7
Home Products | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 7.60% 8.30% 8.40% 8.70%
Apparel And Accessories | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 178.3 $ 157.4 $ 592.4 $ 517.8
Apparel And Accessories | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar        
Disaggregation of Revenue [Line Items]        
Concentration risk, percentage 6.00% 5.50% 6.40% 5.60%
Seasonal And Electronics | Family Dollar        
Disaggregation of Revenue [Line Items]        
Net sales $ 231.6 $ 220.3 $ 794.7 $ 785.5
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%