Quarterly report pursuant to Section 13 or 15(d)

Segments and Disaggregated Revenue - Disaggregation of Revenue (Details)

v3.22.1
Segments and Disaggregated Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
3 Months Ended
Apr. 30, 2022
May 01, 2021
Disaggregation of Revenue [Line Items]    
Net sales $ 6,900.1 $ 6,476.8
Dollar Tree    
Disaggregation of Revenue [Line Items]    
Net sales 3,781.8 3,321.3
Family Dollar    
Disaggregation of Revenue [Line Items]    
Net sales $ 3,118.3 $ 3,155.5
Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 100.00% 100.00%
Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 100.00% 100.00%
Consumable | Dollar Tree    
Disaggregation of Revenue [Line Items]    
Net sales $ 1,747.2 $ 1,584.3
Consumable | Family Dollar    
Disaggregation of Revenue [Line Items]    
Net sales $ 2,435.1 $ 2,373.5
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 46.20% 47.70%
Consumable | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 78.10% 75.20%
Variety | Dollar Tree    
Disaggregation of Revenue [Line Items]    
Net sales $ 1,864.4 $ 1,627.4
Variety | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 49.30% 49.00%
Seasonal | Dollar Tree    
Disaggregation of Revenue [Line Items]    
Net sales $ 170.2 $ 109.6
Seasonal | Product Concentration Risk | Revenue, Segment Benchmark | Dollar Tree    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 4.50% 3.30%
Home Products | Family Dollar    
Disaggregation of Revenue [Line Items]    
Net sales $ 248.1 $ 301.0
Home Products | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 7.90% 9.50%
Apparel And Accessories | Family Dollar    
Disaggregation of Revenue [Line Items]    
Net sales $ 167.4 $ 205.2
Apparel And Accessories | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 5.40% 6.50%
Seasonal And Electronics | Family Dollar    
Disaggregation of Revenue [Line Items]    
Net sales $ 267.7 $ 275.8
Seasonal And Electronics | Product Concentration Risk | Revenue, Segment Benchmark | Family Dollar    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 8.60% 8.80%