Dollar Tree, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Segments and Disaggregated Revenue - Disaggregation of Revenue (Details)

Segments and Disaggregated Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2026	Aug. 02, 2025	Aug. 01, 2026	Aug. 02, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 4,886.5	$ 4,566.8	$ 9,857.0	$ 9,203.3
Dollar Tree
Disaggregation of Revenue [Line Items]
Net sales	$ 4,886.5	$ 4,566.8	$ 9,857.0	$ 9,203.3
Product Concentration Risk \| Revenue, Segment Benchmark \| Dollar Tree
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	$ 2,521.7	$ 2,311.0	$ 5,016.4	$ 4,647.6
Consumable \| Product Concentration Risk \| Revenue, Segment Benchmark \| Dollar Tree
Disaggregation of Revenue [Line Items]
Concentration risk percentage	51.60%	50.60%	50.90%	50.50%
Variety \| Dollar Tree
Disaggregation of Revenue [Line Items]
Net sales	$ 2,347.7	$ 2,236.0	$ 4,655.2	$ 4,355.4
Variety \| Product Concentration Risk \| Revenue, Segment Benchmark \| Dollar Tree
Disaggregation of Revenue [Line Items]
Concentration risk percentage	48.00%	49.00%	47.20%	47.30%
Seasonal \| Dollar Tree
Disaggregation of Revenue [Line Items]
Net sales	$ 17.1	$ 19.8	$ 185.4	$ 200.3
Seasonal \| Product Concentration Risk \| Revenue, Segment Benchmark \| Dollar Tree
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.40%	0.40%	1.90%	2.20%

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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