XML 94 R80.htm IDEA: XBRL DOCUMENT
v3.22.4

Benefit Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 28, 2023 | Jan. 29, 2022 | Jan. 30, 2021
Benefit Plans [Abstract] |  |  |
Maximum percentage of a participant's eligible compensation that a participant may contribute annually to the plan (as a percent) | 50.00% |  |
Percentage of matching contribution made by company of first 3% of participating employees' contributions (as a percent) | 100.00% |  |
Percentage of participating employees' contribution, matched 100% (as a percent) | 3.00% |  |
Percentage of matching contribution made by company, of next 2% of participating employees' contributions (as a percent) | 50.00% |  |
Percentage of participating employees' contribution, matched 50% (as a percent) | 2.00% |  |
Deferred Compensation Arrangement with Individual, Contributions by Employer | $ 77 | $ 77 | $ 44
Deferred Compensation Liability, Classified, Noncurrent | $ 20 | $ 24 |

X
- Definition Percentage of employer matching contribution of the first 3% of participating employees' contribution. + References No definition available. + Details
Name: | bby_PercentageOfMatchingContributionMadeByCompanyOfFirstThreePercentageOfParticipatingEmployeesContribution
Namespace Prefix: | bby_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employer matching contribution of the next 2% of participating employees' contribution. + References No definition available. + Details
Name: | bby_PercentageOfMatchingContributionMadeByCompanyOfNextTwoPercentageOfParticipatingEmployeesContribution
Namespace Prefix: | bby_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of participating employee's contribution, 50% matched by employer. + References No definition available. + Details
Name: | bby_PercentageOfParticipatingEmployeesContributionFiftyPercentMatched
Namespace Prefix: | bby_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of participating employee's contribution, 100% matched by employer. + References No definition available. + Details
Name: | bby_PercentageOfParticipatingEmployeesContributionHundredPercentMatched
Namespace Prefix: | bby_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Commitment made to pay deferred cash remuneration expressed as a percentage of the individual's base salary. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualCashAwardsGrantedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). + References No definition available. + Details
Name: | us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant