XML 53 R34.htm IDEA: XBRL DOCUMENT
v3.24.1

Basis of presentation - OCI, Revenue, etc. (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Feb. 02, 2024 | Feb. 03, 2023 | Jan. 28, 2022
Revenue recognition |  |  |
Liability for outstanding gift cards | $ 13.8 | $ 10.7 |
Breakage income related to gift card program | 2.6 | 2.3 | $ 1.7
Advertising costs |  |  |
Advertising costs | 130.6 | 126.0 | 117.2
Expenses related to vendor funding for cooperative advertising offset | $ 35.7 | $ 33.4 | $ 34.3
3.25% Senior Notes due April 15, 2023 |  |  |
Other comprehensive income |  |  |
Credit facility term | 10 years |  |

X
- Definition Breakage income related to gift card program + References No definition available. + Details
Name: | dg_GiftCardBreakageRevenueRecognition
Namespace Prefix: | dg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of liability for outstanding gift cards. + References No definition available. + Details
Name: | dg_GiftCardsOutstandingLiability
Namespace Prefix: | dg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | dg_RevenueAndGainRecognitionAbstract
Namespace Prefix: | dg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483406/720-35-50-1 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total amount received by an entity from a vendor under a cooperative advertising arrangement that has been offset against advertising expense. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483406/720-35-50-1 + Details
Name: | us-gaap_CooperativeAdvertisingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_MarketingAndAdvertisingExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherComprehensiveIncomeLossTaxAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=dg_SeniorNotes3.25PercentDue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |