2.2.0.25truefalse40601 - Disclosure - Income Taxes (Narrative) (Details)truefalsefalse1falsefalseUSDfalsefalse2/1/2010 - 1/30/2011 USD ($) USD ($) / shares $Duration_2_1_2010_To_1_30_2011http://www.sec.gov/CIK0000354950duration2010-02-01T00:00:002011-01-30T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2falsefalseUSDfalsefalse2/2/2009 - 1/31/2010 USD ($) USD ($) / shares $Duration_2_2_2009_To_1_31_2010http://www.sec.gov/CIK0000354950duration2009-02-02T00:00:002010-01-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$3falsefalseUSDfalsefalse2/4/2008 - 2/1/2009 USD ($) USD ($) / shares $Duration_2_4_2008_To_2_1_2009http://www.sec.gov/CIK0000354950duration2008-02-04T00:00:002009-02-01T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2false0us-gaap_EffectiveIncomeTaxRateContinuingOperationsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse0.3670.367falsefalsefalsefalsefalse2truetruefalse0.3420.342falsefalsefalsefalsefalse3truetruefalse0.3560.356falsefalsefalsefalsefalseOtherus-types:percentItemTypepureA ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 falsefalse3false0us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse0.350.35falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate shall be the regular tax rate if there are alternative tax systems.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 falsefalse4false0us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeignus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse3000000030000000falsetruefalsefalsefalse2truefalsefalse6500000065000000falsetruefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of future tax effects arising from unused foreign tax credit carryforwards which will decrease future taxable income if applied in future years; a tax credit carryforward is the amount by which tax credits available for utilization exceeded statutory limits on inclusion in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods and providing tax laws continue to allow such utilization.No authoritative reference available.falsefalse5false0us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRateus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse298000000298000000falsefalsefalsefalsefalse2truefalsefalse386000000386000000falsefalsefalsefalsefalse3truefalsefalse401000000401000000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph b falsefalse6false0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-32000000-32000000falsefalsefalsefalsefalse2truefalsefalse4100000041000000falsefalsefalsefalsefalse3truefalsefalse-19000000-19000000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents the total of interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties in the period in which the entity claims or expects to claim a tax position, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 15, 16 falsefalse7false0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse8400000084000000falsefalsefalsefalsefalse2truefalsefalse138000000138000000falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 15, 16 falsefalse8false0us-gaap_LiabilityForUncertainTaxPositionsCurrentus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse6300000063000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe current portion of the amount recognized for uncertain tax positions as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 6, 7, 8 falsefalse9false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.homedepot.com/taxonomy/role/disclosureincometaxesnarrativedetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalseUSDtruefalse{us-gaap_DeferredTaxLiabilityNotRecognizedAxis} : Investments in Foreign Subsidiaries and Foreign Corporate Joint Ventures that are Essentially Permanent in Duration [Member] 1/30/2011 USD ($) $As_Of_1_30_2011222http://www.sec.gov/CIK0000354950instant2011-01-30T00:00:000001-01-01T00:00:00falsefalseInvestments in Foreign Subsidiaries and Foreign Corporate Joint Ventures that are Essentially Permanent in Duration [Member]us-gaap_DeferredTaxLiabilityNotRecognizedAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_InvestmentsInForeignSubsidiariesAndForeignCorporateJointVenturesThatAreEssentiallyPermanentInDurationMemberus-gaap_DeferredTaxLiabilityNotRecognizedAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse10false0us-gaap_DeferredTaxLiabilityNotRecognizedCumulativeAmountOfTemporaryDifferenceus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse20000000002000000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of the temporary difference for which a deferred tax liability has not been provided because of the exceptions to comprehensive recognition of deferred taxes.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 44 -Subparagraph b falsefalse11false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.homedepot.com/taxonomy/role/disclosureincometaxesnarrativedetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse5falsefalseUSDtruefalse{us-gaap_OperatingLossCarryforwardsByTaxAuthorityAxis} : Internal Revenue Service (IRS) [Member] 1/30/2011 USD ($) $As_Of_1_30_201131http://www.sec.gov/CIK0000354950instant2011-01-30T00:00:000001-01-01T00:00:00falsefalseInternal Revenue Service (IRS) [Member]us-gaap_OperatingLossCarryforwardsByTaxAuthorityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_InternalRevenueServiceIRSMemberus-gaap_OperatingLossCarryforwardsByTaxAuthorityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse12false0us-gaap_OperatingLossCarryforwardsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse397000000397000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 48 -Subparagraph a falsefalse13false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.homedepot.com/taxonomy/role/disclosureincometaxesnarrativedetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse6falsefalseUSDtruefalse{us-gaap_ValuationAllowanceByDeferredTaxAssetAxis} : State and Foreign, Net Operating Loss Carryforwards [Member] 1/30/2011 USD ($) $As_Of_1_30_201142http://www.sec.gov/CIK0000354950instant2011-01-30T00:00:000001-01-01T00:00:00falsefalseState and Foreign, Net Operating Loss Carryforwards [Member]us-gaap_ValuationAllowanceByDeferredTaxAssetAxisxbrldihttp://xbrl.org/2006/xbrldihd_StateAndForeignNetOperatingLossCarryforwardsMemberus-gaap_ValuationAllowanceByDeferredTaxAssetAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7falsefalseUSDtruefalse{us-gaap_ValuationAllowanceByDeferredTaxAssetAxis} : State and Foreign, Net Operating Loss Carryforwards [Member] 1/31/2010 USD ($) $As_Of_1_31_2010227http://www.sec.gov/CIK0000354950instant2010-01-31T00:00:000001-01-01T00:00:00falsefalseState and Foreign, Net Operating Loss Carryforwards [Member]us-gaap_ValuationAllowanceByDeferredTaxAssetAxisxbrldihttp://xbrl.org/2006/xbrldihd_StateAndForeignNetOperatingLossCarryforwardsMemberus-gaap_ValuationAllowanceByDeferredTaxAssetAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse14false0us-gaap_ValuationAllowanceAmountus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2100000021000000falsefalsefalsefalsefalse2truefalsefalse1500000015000000falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -Subparagraph c falsefalse15false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.homedepot.com/taxonomy/role/disclosureincometaxesnarrativedetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse8falsefalseUSDtruefalse{us-gaap_ValuationAllowanceByDeferredTaxAssetAxis} : Net Capital Loss Carryover [Member] 1/30/2011 USD ($) $As_Of_1_30_201141http://www.sec.gov/CIK0000354950instant2011-01-30T00:00:000001-01-01T00:00:00falsefalseNet Capital Loss Carryover [Member]us-gaap_ValuationAllowanceByDeferredTaxAssetAxisxbrldihttp://xbrl.org/2006/xbrldihd_NetCapitalLossCarryoverMemberus-gaap_ValuationAllowanceByDeferredTaxAssetAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse16false0us-gaap_ValuationAllowanceAmountus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse4500000045000000falsetruefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -Subparagraph c falsefalse315Income Taxes (Narrative) (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruetrue