| Acquisitions |
|
0 |
bby:DisclosureAcquisitionsAbstract |
| Basis of Presentation |
|
0 |
bby:BasisOfPresentationAbstract |
| Capital Expenditures, Noncash |
|
1 |
bby:CapitalExpendituresNoncash |
| Comprehensive Income Disclosure [Text Block] |
This label may include the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains and losses on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain or loss and net prior service cost or credit for pension plans and other postretirement benefit plans. |
0 |
bby:ComprehensiveIncomeDisclosureTextBlock |
| Condensed Consolidating Financial Information |
|
0 |
bby:DisclosureCondensedConsolidatingFinancialInformationAbstract |
| Contingencies |
|
0 |
bby:DisclosureContingenciesAbstract |
| Debt |
|
0 |
bby:DisclosureDebtAbstract |
| Derivative Instruments |
|
0 |
bby:DisclosureDerivativeInstrumentsAbstract |
| Document and Entity Information |
|
0 |
bby:DocumentAndEntityInformationAbstract |
| Earnings Per Share Disclosure [Text Block] |
Earnings Per Share Disclosure |
1 |
bby:EarningsPerShareDisclosureTextBlock |
| Earnings per Share |
|
0 |
bby:DisclosureEarningsPerShareAbstract |
| Earnings per share other disclosures [Abstract] |
|
0 |
bby:EarningsPerShareOtherDisclosuresAbstract |
| Fair Value Measurements |
|
0 |
bby:DisclosureFairValueMeasurementsAbstract |
| Goodwill and Intangible Assets |
|
0 |
bby:DisclosureGoodwillAndIntangibleAssetsAbstract |
| Investments |
|
0 |
bby:DisclosureInvestmentsAbstract |
| Notes to Consolidated Financials [Abstract] |
|
0 |
bby:NotesToConsolidatedFinancialsAbstract |
| Prepaid stock repurchase |
|
0 |
bby:PrepaidStockRepurchase |
| Proceeds from Issuance of Debt |
Proceeds from Issuance of Debt |
2 |
bby:ProceedsFromIssuanceOfDebt |
| Reclassifications |
Reclassifications |
1 |
bby:ReclassificationsTextBlock |
| Repayments of Debt |
Repayments of Debt |
2 |
bby:RepaymentsOfDebt |
| Restructuring Charges |
|
0 |
bby:DisclosureRestructuringChargesAbstract |
| Segments |
|
0 |
bby:DisclosureSegmentsAbstract |
| Supplemental Equity and Comprehensive Income Information |
|
0 |
bby:DisclosureSupplementalEquityAndComprehensiveIncomeInformationAbstract |