2.2.0.25falsefalse1093 - Disclosure - Reconciliation of Statutory Federal Income Tax Rate to Effective Income Tax Rate (Detail)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $eol_PE10216---1010-K0013_STD_365_20101231_0http://www.sec.gov/CIK0001090727duration2010-01-01T00:00:002010-12-31T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepure0iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares0YearStandardhttp://www.ups.com/20101231Yearups0USDUSD$2falsefalseUSDfalsefalse1/1/2009 - 12/31/2009 USD ($) / shares USD ($) $eol_PE10216---1010-K0013_STD_365_20091231_0http://www.sec.gov/CIK0001090727duration2009-01-01T00:00:002009-12-31T00:00:00iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217 USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepure0sharesStandardhttp://www.xbrl.org/2003/instanceshares0YearStandardhttp://www.ups.com/20101231Yearups0USDUSD$3falsefalseUSDfalsefalse1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $eol_PE10216---1010-K0013_STD_366_20081231_0http://www.sec.gov/CIK0001090727duration2008-01-01T00:00:002008-12-31T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0pureStandardhttp://www.xbrl.org/2003/instancepure0sharesStandardhttp://www.xbrl.org/2003/instanceshares0YearStandardhttp://www.ups.com/20101231Yearups0USDUSD$4true0ups_ReconciliationOfStatutoryFederalTaxRateLineItemsupsfalsenadurationReconciliation of Statutory Federal Tax Rate [Line Items]falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringReconciliation of Statutory Federal Tax Rate [Line Items]falsefalse5false0us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.3500.350falsefalsefalsefalsefalse2truetruefalse0.3500.350falsefalsefalsefalsefalse3truetruefalse0.3500.350falsefalsefalsefalsefalseOtherus-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 falsefalse6false0us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1true truefalse0.0240.024falsefalsefalsefalsefalse2truetruefalse0.0140.014falsefalsefalsefalsefalse3truetruefalse0.0250.025falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense (benefit), net of the federal tax benefit (expense) thereon, recorded during the period.No authoritative reference available.fa lsefalse7false0us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferentialus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse-0.007-0.007falsefalsefalsefalsefalse2truetruefalse-0.015-0.015falsefalsefalsefalsefalse3truetruefalse0.0100.010falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the difference between statutory income tax rates in foreign jurisdictions and the domestic federal statutory income tax rate recorded during the period.No authoritative reference available.falsefalse8false0us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.0030.003falsefalsefalsefalsefalse2truetruefalse0.0090.009falsefalsefalsefalsefalse3truetruefalse0.0510.051falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe sum of the differences between the effective income tax rate and domestic federal statutory income tax rate attributable to all nondeductible expenses under enacted tax laws.No authoritative reference available.falsefalse9false0us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse-0.018-0.018falsefalsefalsefalsefalse2truetruefalse-0.032-0.032falsefalsefalsefalsefalse3truetruefalse-0.030-0.030falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe sum of the differences between the effective income tax rate and domestic federal statutory income tax rate that can be explained by all tax credits generated or utilized under enacted tax laws during the period.No authoritative reference available.falsefalse10false0us-gaap_EffectiveIncomeTaxRateReconcilia tionOtherAdjustmentsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruefalse0.0160.016falsefalsefalsefalsefalse2truetruefalse0.0350.035falsefalsefalsefalsefalse3truetruefalse-0.005-0.005falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to all other items not otherwise listed in the existing taxonomy.No authoritative reference available.falsefalse11false0us-gaap_EffectiveIncomeTaxRateContinuingOperationsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truetruefalse0.3680.368falsefalsefalsefalsefalse2truetruefalse0.3610.361falsefalsefalsefalsefalse3truetruefalse0.4010.401falsefalsefalse falsefalseOtherus-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 truefalse38Reconciliation of Statutory Federal Income Tax Rate to Effective Income Tax Rate (Detail)UnKnownUnKnownUnKnownUnKnowntruetrue