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falsefalse28false0us-gaap_DeferredTaxLiabilitiesOtherus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-19100000-19100000falsefalsefalsefalsefalse5truefalsefalse-68600000-68600000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of the estimated future tax effects attributable to other temporary differences not otherwise specified in this taxonomy that were expensed for tax purposes but capitalized in conformity with generally accepted accounting principles, or which were recognized as revenue under GAAP but not for tax purposes, which will reverse in future periods.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph a, d, e
falsefalse29false0us-gaap_DeferredTaxAssetsLiabilitiesNetus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-199900000-199900000falsefalsefalsefalsefalse5truefalsefalse511200000511200000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryFor entities that net deferred tax assets and tax liabilities, represents the unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, which result from applying the applicable enacted tax rate to net temporary differences and carryforwards pertaining to assets or liabilities. A temporary difference is a difference between the tax basis of an asset or liability and its carrying amount in the financial statements prepared in accordance with generally accepted accounting principles that will reverse in ensuing periods.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 42, 43
truefalse30false0us-gaap_DeferredTaxLiabilitiesInterestsInFinancialAssetsContinuedToBeHeldus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-160900000-160900000falsefalsefalsefalsefalse5truefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis and the basis in accordance with generally accepted accounting principles of interests in financial instruments continued to be held after a sale or transfer of related financial instruments which will increase future taxable income when such difference reverses.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph a
falsefalse31false0us-gaap_DeferredTaxLiabilitiesus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-2907500000-2907500000falsefalsefalsefalsefalse5truefalsefalse-2498100000-2498100000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of all deferred tax liabilities, which result from applying the applicable tax rate to net taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax. A taxable temporary difference is a difference between the tax basis and the carrying amount of an asset or liability in the financial statements prepared in accordance with generally accepted accounting principles that will result in taxable amounts in one or more future periods.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 42, 43
truefalse32false0lly_GeographicContributionToIncomeBeforeIncomeTaxesllyfalsenadurationPercent contribution of most significant geographic areas that contribute to consolidated income (loss) before income taxes.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalse4truetruefalse0.450.45falsefalsefalsefalsefalse5truetruefalse0.390.39falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalseOtherus-types:percentItemTypepurePercent contribution of most significant geographic areas that contribute to consolidated income (loss) before income taxes.No authoritative reference available.falsefalse33false0lly_UnremittedEarningsOfForeignSubsidiariesllyfalsedebitdurationAmount of unremitted earnings in a foreign investment.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse1990000000019900000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of unremitted earnings in a foreign investment.No authoritative reference available.falsefalse34false0us-gaap_IncomeTaxesPaidNetus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse861000000861000000falsefalsefalsefalsefalse5truefalsefalse11400000001140000000falsefalsefalsefalsefalse6truefalsefalse-52000000-52000000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 29
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 27
-Subparagraph f
falsefalse35false0us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRateus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse22838000002283800000falsefalsefalsefalsefalse5truefalsefalse18752000001875200000falsefalsefalsefalsefalse6truefalsefalse-457700000-457700000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of income tax expense (benefit) for the period computed by applying the domestic federal statutory tax rates to 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
falsefalse36false0us-gaap_IncomeTaxReconciliationDeductionsExtraterritorialIncomeExclusionus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-823300000-823300000falsefalsefalsefalsefalse5truefalsefalse-741100000-741100000falsefalsefalsefalsefalse6truefalsefalse-641300000-641300000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the difference between total income tax expense (benefit) as reported in the Income Statement for the period and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the extraterritorial income exclusion deduction received under enacted tax laws.No authoritative reference available.falsefalse37false0lly_IncomeTaxReconciliationAdditionsUsHealthCareReformTaxLawllyfalsedebitdurationThe direct charge to income tax expense associated with the imposition of tax on the prescription drug subsidy of the...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse8510000085100000falsefalsefalsefalsefalse5truefalsefalse00falsefalsefalsefalsefalse6truefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe direct charge to income tax expense associated with the imposition of tax on the prescription drug subsidy of the company's retiree health plan as part of U.S. health care reform law change.No authoritative reference available.falsefalse38false0us-gaap_IncomeTaxReconciliationTaxCreditsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-83200000-83200000falsefalsefalsefalsefalse5truefalsefalse-79400000-79400000falsefalsefalsefalsefalse6truefalsefalse-58000000-58000000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe sum of the differences between total income tax expense (benefit) as reported in the Income Statement for the period and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to tax credits.No authoritative reference available.falsefalse39false0us-gaap_IncomeTaxReconciliationNondeductibleExpenseOtherus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse00falsefalsefalsefalsefalse5truefalsefalse600000600000falsefalsefalsefalsefalse6truefalsefalse359300000359300000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the difference between total income tax expense (benefit) as reported in the Income Statement for the period and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles, not otherwise listed in the existing taxonomy.No authoritative reference available.falsefalse40false0us-gaap_IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopmentus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse00falsefalsefalsefalsefalse5truefalsefalse00falsefalsefalsefalsefalse6truefalsefalse18194000001819400000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the difference between total income tax expense (benefit) as reported in the Income Statement for the period and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible research and development expenses, including in-process research and development acquired as part of a business combination, under enacted tax laws.No authoritative reference available.falsefalse41false0us-gaap_IncomeTaxReconciliationTaxSettlementsDomesticus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse00falsefalsefalsefalsefalse5truefalsefalse-54400000-54400000falsefalsefalsefalsefalse6truefalsefalse-210300000-210300000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the difference between total income tax expense (benefit) as reported in the Income Statement and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to domestic income tax settlements for the period.No authoritative reference available.falsefalse42false0us-gaap_IncomeTaxReconciliationOtherAdjustmentsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-6700000-6700000falsefalsefalsefalsefalse5truefalsefalse2810000028100000falsefalsefalsefalsefalse6truefalsefalse-47100000-47100000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the difference, between total income tax expense (benefit) as reported in the Income Statement for the year/accounting period and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to all other items not otherwise listed in the existing taxonomy.No authoritative reference available.falsefalse43false0us-gaap_UnrecognizedTaxBenefitsus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsetruefalsefalseperiodstartlabel1truefalsefalse13512000001351200000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse16196000001619600000falsefalsefalsefalsefalse4truefalsefalse13512000001351200000falsefalsefalsefalsefalse5truefalsefalse12232000001223200000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe gross amount of unrecognized tax benefits (tax reductions recognized in financial reports but excluded from tax returns) pertaining to uncertain tax positions taken in tax returns as of the beginning balance sheet date, excluding amounts pertaining to examined tax returns.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph a
falsefalse44false0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositionsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse186200000186200000falsefalsefalsefalsefalse5truefalsefalse179100000179100000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph a(2)
falsefalse45false0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositionsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse117000000117000000falsefalsefalsefalsefalse5truefalsefalse170400000170400000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph a(1)
falsefalse46false0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-30200000-30200000falsefalsefalsefalsefalse5truefalsefalse-45100000-45100000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph a(1)
falsefalse47false0us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitationsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-7000000-7000000falsefalsefalsefalsefalse5truefalsefalse-3300000-3300000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph a(4)
falsefalse48false0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthoritiesus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse190000000190000000falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-100000-100000falsefalsefalsefalsefalse5truefalsefalse-178800000-178800000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph a(3)
falsefalse49false0lly_UnrecognizedTaxBenefitsIncreasesResultingFromImpactOfForeignCurrencyTranslationllyfalsecreditdurationThe gross amount of increases in unrecognized tax benefits resulting from foreign currency translation.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse25000002500000falsefalsefalsefalsefalse5truefalsefalse57000005700000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe gross amount of increases in unrecognized tax benefits resulting from foreign currency translation.No authoritative reference available.falsefalse50false0us-gaap_UnrecognizedTaxBenefitsus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsetruefalseperiodendlabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse16196000001619600000falsefalsefalsefalsefalse5truefalsefalse13512000001351200000falsefalsefalsefalsefalse6truefalsefalse12232000001223200000falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe gross amount of unrecognized tax benefits (tax reductions recognized in financial reports but excluded from tax returns) pertaining to uncertain tax positions taken in tax returns as of the beginning balance sheet date, excluding amounts pertaining to examined tax returns.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph a
falsefalse51false0us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRateus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse10700000001070000000falsefalsefalsefalsefalse5truefalsefalse836800000836800000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli: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
falsefalse52false0us-gaap_IncomeTaxesPaidus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse5280000052800000falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 29
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 27
-Subparagraph f
falsefalse53false0us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse5440000054400000falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryReflects the effects of adjustments of previously recorded tax expense, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, IRS tax settlement and unusual repatriation of foreign earnings.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 10A, 10B, 10C
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 10
-Subparagraph b
falsefalse54false0lly_IncomeTaxExaminationPeriodRemainingllyfalsenainstantPeriod of time remaining before a particular Taxing Authority examination reaches conclusion.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00<font class="_mt"><font class="_mt"><font class="_mt"><font class="_mt">12</font> </font></font>months</font>falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringPeriod of time remaining before a particular Taxing Authority examination reaches conclusion.No authoritative reference available.falsefalse55false0us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefitus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse400000000400000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph d
falsefalse56false0us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleOtherInformationus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00<font class="_mt"><font class="_mt">12</font> months</font>falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringOther information relative to a tax position which it is reasonably possible that the total amount of the unrecognized tax benefit will significantly increase or decrease within twelve months of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph d
falsefalse57false0lly_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleChangeToIncomeTaxExpensellyfalsecreditdurationThe amount of the expected change to income tax expense as a result of anticipated change to unrecognized tax benefit of a...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse250000000250000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of the expected change to income tax expense as a result of anticipated change to unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.No authoritative reference available.falsefalse58false0lly_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleChangeToCashPaymentsForTaxllyfalsecreditdurationThe amount of the expected change to cash payments for tax as a result of anticipated change to unrecognized tax benefit of a...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse200000000200000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of the expected change to cash payments for tax as a result of anticipated change to unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.No authoritative reference available.falsefalse59false0lly_NoncashIncomeTaxExpenseHcrllyfalsedebitdurationThe portion of the noncash component of income tax expense for the period including the net change in the entity's deferred...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse8510000085100000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the noncash component of income tax expense for the period including the net change in the entity's deferred tax assets and liabilities, due to the implementation of the U.S. health care reform.No authoritative reference available.falsefalse60false0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse3830000038300000falsefalsefalsefalsefalse5truefalsefalse-1900000-1900000falsefalsefalsefalsefalse6truefalsefalse-118000000-118000000falsefalsefalsefalsefalseMonetaryxbrli: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
falsefalse61false0us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccruedus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse221000000221000000falsefalsefalsefalsefalse5truefalsefalse166700000166700000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.No authoritative reference available.falsefalse62false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalseUSDtruefalse{us-gaap_OtherTaxCarryforwardDataByItemAxis} : Total [Member]
12/31/2010
USD ($)
$As_Of_12_31_20107http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseTotal [Member]us-gaap_OtherTaxCarryforwardDataByItemAxisxbrldihttp://xbrl.org/2006/xbrldilly_TotalMemberus-gaap_OtherTaxCarryforwardDataByItemAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse63false0lly_DeferredTaxAssetsTaxCreditCarryforwardsAndCarrybacksllyfalsedebitinstantThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse795900000795900000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward and carryback is the amount by which tax credits available for utilization exceed statutory limitations.No authoritative reference available.falsefalse64false0lly_DeferredTaxAssetsTaxLossCarryforwardsAndCarrybacksllyfalsedebitinstantThe tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse858000000858000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of statutory limitations in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods (or carried back to prior periods) and providing tax laws continue to allow such utilization.No authoritative reference available.falsefalse65false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse8falsefalseUSDtruefalse{us-gaap_OtherTaxCarryforwardDataByItemAxis} : Expiration 5 years [Member]
12/31/2010
USD ($)
$As_Of_12_31_20109http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseExpiration 5 years [Member]us-gaap_OtherTaxCarryforwardDataByItemAxisxbrldihttp://xbrl.org/2006/xbrldilly_Expiration5YearsMemberus-gaap_OtherTaxCarryforwardDataByItemAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse66false0lly_DeferredTaxAssetsTaxLossCarryforwardsAndCarrybacksllyfalsedebitinstantThe tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse129200000129200000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of statutory limitations in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods (or carried back to prior periods) and providing tax laws continue to allow such utilization.No authoritative reference available.falsefalse67false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse9falsefalseUSDtruefalse{us-gaap_OtherTaxCarryforwardDataByItemAxis} : Expiration 5-20 years [Member]
12/31/2010
USD ($)
$As_Of_12_31_20108http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseExpiration 5-20 years [Member]us-gaap_OtherTaxCarryforwardDataByItemAxisxbrldihttp://xbrl.org/2006/xbrldilly_Expiration520YearsMemberus-gaap_OtherTaxCarryforwardDataByItemAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse68false0lly_DeferredTaxAssetsTaxLossCarryforwardsAndCarrybacksllyfalsedebitinstantThe tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse649500000649500000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of statutory limitations in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods (or carried back to prior periods) and providing tax laws continue to allow such utilization.No authoritative reference available.falsefalse69false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse10falsefalseUSDtruefalse{us-gaap_OtherTaxCarryforwardDataByItemAxis} : Expiration 10-20 years [Member]
12/31/2010
USD ($)
$As_Of_12_31_20103http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseExpiration 10-20 years [Member]us-gaap_OtherTaxCarryforwardDataByItemAxisxbrldihttp://xbrl.org/2006/xbrldilly_Expiration1020YearsMemberus-gaap_OtherTaxCarryforwardDataByItemAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse70false0lly_DeferredTaxAssetsTaxCreditCarryforwardsAndCarrybacksllyfalsedebitinstantThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse6760000067600000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward and carryback is the amount by which tax credits available for utilization exceed statutory limitations.No authoritative reference available.falsefalse71false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse11falsefalseUSDtruefalse{us-gaap_OtherTaxCarryforwardDataByItemAxis} : No Expiration [Member]
12/31/2010
USD ($)
$As_Of_12_31_20105http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseNo Expiration [Member]us-gaap_OtherTaxCarryforwardDataByItemAxisxbrldihttp://xbrl.org/2006/xbrldilly_NoExpirationMemberus-gaap_OtherTaxCarryforwardDataByItemAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse72false0lly_DeferredTaxAssetsTaxCreditCarryforwardsAndCarrybacksllyfalsedebitinstantThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse1780000017800000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward and carryback is the amount by which tax credits available for utilization exceed statutory limitations.No authoritative reference available.falsefalse73false0lly_DeferredTaxAssetsTaxLossCarryforwardsAndCarrybacksllyfalsedebitinstantThe tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse7930000079300000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of future tax deductions arising from capital losses in excess of statutory limitations in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods (or carried back to prior periods) and providing tax laws continue to allow such utilization.No authoritative reference available.falsefalse74false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse12falsefalseUSDtruefalse{us-gaap_OtherTaxCarryforwardDataByItemAxis} : Carryback [Member]
12/31/2010
USD ($)
$As_Of_12_31_20102http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseCarryback [Member]us-gaap_OtherTaxCarryforwardDataByItemAxisxbrldihttp://xbrl.org/2006/xbrldilly_CarrybackMemberus-gaap_OtherTaxCarryforwardDataByItemAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse75false0lly_DeferredTaxAssetsTaxCreditCarryforwardsAndCarrybacksllyfalsedebitinstantThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse268700000268700000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward and carryback is the amount by which tax credits available for utilization exceed statutory limitations.No authoritative reference available.falsefalse76false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse13falsefalsetruefalse{us-gaap_OtherTaxCarryforwardDataByItemAxis} : Tax Credit Carryforwards [Member]
12/31/2010
As_Of_12_31_201017http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseTax Credit Carryforwards [Member]us-gaap_OtherTaxCarryforwardDataByItemAxisxbrldihttp://xbrl.org/2006/xbrldilly_TaxCreditCarryforwardsMemberus-gaap_OtherTaxCarryforwardDataByItemAxisexplicitMemberUnit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0OthernaNo definition available.No authoritative reference available.falsefalse77false0lly_OperatingAndTaxCreditCarryforwardsExpirationMinimumllyfalsenainstantThe minimum life of the related operating or tax credit carryforward.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse1010falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:decimalItemTypedecimalThe minimum life of the related operating or tax credit carryforward.No authoritative reference available.falsefalse78false0lly_OperatingAndTaxCreditCarryforwardsExpirationMaximumllyfalsenainstantThe maximum life of the related operating or tax credit carryforward.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse2020falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:decimalItemTypedecimalThe maximum life of the related operating or tax credit carryforward.No authoritative reference available.falsefalse79false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse14falsefalsetruefalse{us-gaap_OtherTaxCarryforwardDataByItemAxis} : Operating Loss Carryforwards [Member]
12/31/2010
As_Of_12_31_201016http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseOperating Loss Carryforwards [Member]us-gaap_OtherTaxCarryforwardDataByItemAxisxbrldihttp://xbrl.org/2006/xbrldilly_OperatingLossCarryforwardsMemberus-gaap_OtherTaxCarryforwardDataByItemAxisexplicitMemberUnit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0OthernaNo definition available.No authoritative reference available.falsefalse80false0lly_OperatingAndTaxCreditCarryforwardsExpirationllyfalsenainstantThe life of the related operating or tax credit carryforwardsfalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse55falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:decimalItemTypedecimalThe life of the related operating or tax credit carryforwardsNo authoritative reference available.falsefalse81false0lly_OperatingAndTaxCreditCarryforwardsExpirationMinimumllyfalsenainstantThe minimum life of the related operating or tax credit carryforward.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse55falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:decimalItemTypedecimalThe minimum life of the related operating or tax credit carryforward.No authoritative reference available.falsefalse82false0lly_OperatingAndTaxCreditCarryforwardsExpirationMaximumllyfalsenainstantThe maximum life of the related operating or tax credit carryforward.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse2020falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:decimalItemTypedecimalThe maximum life of the related operating or tax credit carryforward.No authoritative reference available.falsefalse83false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse15falsefalseUSDtruefalse{us-gaap_TaxCreditCarryforwardAxis} : Federal [Member]
12/31/2010
USD ($)
$As_Of_12_31_20104http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseFederal [Member]us-gaap_TaxCreditCarryforwardAxisxbrldihttp://xbrl.org/2006/xbrldilly_FederalMemberus-gaap_TaxCreditCarryforwardAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse84false0lly_DeferredTaxAssetsTaxCreditCarryforwardsAndCarrybacksllyfalsedebitinstantThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse9460000094600000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward and carryback is the amount by which tax credits available for utilization exceed statutory limitations.No authoritative reference available.falsefalse85false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lilly.com/role/disclosureincometaxesdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse16falsefalseUSDtruefalse{us-gaap_TaxCreditCarryforwardAxis} : State [Member]
12/31/2010
USD ($)
$As_Of_12_31_20106http://www.sec.gov/CIK0000059478instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseState [Member]us-gaap_TaxCreditCarryforwardAxisxbrldihttp://xbrl.org/2006/xbrldilly_StateMemberus-gaap_TaxCreditCarryforwardAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse86false0lly_DeferredTaxAssetsTaxCreditCarryforwardsAndCarrybacksllyfalsedebitinstantThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse347200000347200000falsetruefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cumulative amount of future tax effects arising from the unused tax credit carryforward and carrybacks that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward and carryback is the amount by which tax credits available for utilization exceed statutory limitations.No authoritative reference available.falsefalse685Income Taxes (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruetrue