XML 28 R36.htm IDEA: XBRL DOCUMENT
v3.20.1

Restructuring (Tables) | 12 Months Ended
--- | ---
Feb. 01, 2020
Restructuring Cost and Reserve [Line Items] |
Composition of Restructuring Charges |
| 2020 |  | 2019 |  | 2018
U.S. Retail Operating Model | $ | 41 |  |  | $ | - |  |  | $ | - |
Best Buy Mobile |  | - |  |  |  | 47 |  |  |  | 9 |
Other |  | - |  |  |  | (1) |  |  |  | 1 |
Total | $ | 41 |  |  | $ | 46 |  |  | $ | 10 |
U.S. Operating Model [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring Accrual Activity |
| Termination Benefits
Balance at February 2, 2019 | $ | - |
Charges |  | 48 |
Cash payments |  | (25) |
Adjustments(1) |  | (7) |
Balance at February 1, 2020 | $ | 16 |
(1)Adjustments are related to higher-than-expected employee retention, and therefore lower severance expense.
Best Buy Mobile [Member] |
Restructuring Cost and Reserve [Line Items] |
Composition of Restructuring Charges |
| 2019 |  | 2018 |  | Cumulative Amount
Property and equipment impairments | $ | - |  |  | $ | 1 |  |  | $ | 1 |
Termination benefits |  | (2) |  |  |  | 8 |  |  |  | 6 |
Facility closure and other costs |  | 49 |  |  |  | - |  |  |  | 49 |
Total | $ | 47 |  |  | $ | 9 |  |  | $ | 56 |
Restructuring Accrual Activity |
| Termination ‎Benefits |  | Facility ‎Closure and ‎Other Costs |  | Total
Balances at February 3, 2018 | $ | 8 |  |  | $ | - |  |  | $ | 8 |
Charges |  | 1 |  |  |  | 49 |  |  |  | 50 |
Cash payments |  | (6) |  |  |  | (48) |  |  |  | (54) |
Adjustments(1) |  | (3) |  |  |  | - |  |  |  | (3) |
Balances at February 2, 2019 | $ | - |  |  | $ | 1 |  |  | $ | 1 |
(1)Adjustments represent changes in retention assumptions.

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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=bby_U.s.OperatingModelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=bby_RestructuringProgramBestBuyMobileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |