2.2.0.25falsefalse1084 - Disclosure - Fair Value of Employee Stock Options Granted, Assumptions (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$4true0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalse
false00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse
00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringLine 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.falsefalse5false0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRateus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.02700.0270falsefalsefalsefalsefalse2truetruefalse0.03250.0325falsefalsefalsefalsefalse3truetruefalse0.02390.0239falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph e(2)(c)
falsefalse6false0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1tru
etruefalse0.03300.0330falsefalsefalsefalsefalse2truetruefalse0.03220.0322falsefalsefalsefalsefalse3truetruefalse0.03790.0379falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe risk-free interest rate assumption that is used in valuing an option on its own shares.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph e(2)(d)
falsefalse7false0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTermus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse7.57.5falsefalsefalsefalsefalse2truefalsefalse7.57.5falsefalsefalsefalsefalse3truefalsefalse7.57.5falsefalsefalsefalsefalseOtherxbrli:decimalItemTypedecimalThe period of time a share-based award is expected to be outstanding. A share-based award's expected term shall be determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. An entity is required to aggregate individual awards into relatively homogeneous grou
ps.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph e(2)(a)
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section D
-Subsection 2
falsefalse8false0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRateus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.23590.2359falsefalsefalsefalsefalse2truetruefalse0.23160.2316falsefalsefalsefalsefalse3
truetruefalse0.22240.2224falsefalsefalsefalsefalseOtherus-types:percentItemTypepureAn entity using a valuation technique with different volatilities during the contractual term must disclose the range of expected volatilities used and the weighted-average expected volatility.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph e(2)(b)
falsefalse9false0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse14.8314.83falsetruefalsefalsefalse2truefalsefalse10.8610.86falsetruefalsefalsefalse3truefalsefalse16.7716.77falsetruefalsefalsefalseEPSus-types:perShareItemTypedecimalThe weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph c(1)
falsetrue36Fair Value of Employee Stock Options Granted, Assumptions (Detail) (USD $)UnKnownUnKnownNoRoundingUnKnowntruetrue
