XML 80 R87.htm IDEA: XBRL DOCUMENT
v3.20.1

Segment and Geographic Information (Revenue by Reportable Segment and Product Category) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Feb. 01, 2020 | Feb. 02, 2019 | Feb. 03, 2018
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | $ 43,638 | $ 42,879 | $ 42,151
Domestic Segment [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 40,114 | 39,304 | 38,662
Domestic Segment [Member] | Computing and Mobile Phones [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 17,819 | 17,439 | 17,386
Domestic Segment [Member] | Consumer Electronics [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 13,129 | 12,959 | 12,841
Domestic Segment [Member] | Appliances [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 4,493 | 4,020 | 3,717
Domestic Segment [Member] | Entertainment [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 2,388 | 2,952 | 2,905
Domestic Segment [Member] | Services [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 2,126 | 1,783 | 1,674
Domestic Segment [Member] | Other [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 159 | 151 | 139
International Segment [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 3,524 | 3,575 | 3,489
International Segment [Member] | Computing and Mobile Phones [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 1,580 | 1,625 | 1,612
International Segment [Member] | Consumer Electronics [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 1,163 | 1,103 | 1,102
International Segment [Member] | Appliances [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 317 | 324 | 273
International Segment [Member] | Entertainment [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 209 | 258 | 254
International Segment [Member] | Services [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | 199 | 184 | 174
International Segment [Member] | Other [Member] |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |
Revenues | $ 56 | $ 81 | $ 74

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bby_DomesticSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bby_ComputingAndMobilePhonesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bby_ConsumerElectronicsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bby_AppliancesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_EntertainmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bby_ServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=bby_OtherSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bby_InternationalSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |