Goodwill and Nonamortizing Intangible Assets - Narrative (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Feb. 01, 2020 |
Feb. 02, 2019 |
Feb. 01, 2020 |
Feb. 02, 2019 |
Feb. 03, 2018 |
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| Goodwill [Line Items] | |||||
| Goodwill transfers | $ 0 | $ 0 | |||
| Goodwill impairment | 313,000,000.0 | 2,727,000,000.0 | $ 0 | ||
| Impairment of indefinite lived intangible assets | 0 | 0 | $ 0 | ||
| Dollar Tree | |||||
| Goodwill [Line Items] | |||||
| Goodwill transfers | 47,600,000 | 31,000,000.0 | |||
| Goodwill impairment | $ 0 | $ 0 | |||
| Family Dollar | |||||
| Goodwill [Line Items] | |||||
| Goodwill impairment | $ 313,000,000.0 | $ 2,730,000,000 | |||
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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. No definition available.
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- Definition Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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