2.2.0.25truefalse1070 - Disclosure - Effective Portions of Gains and (Losses) on Derivative Instruments Designated as Cash Flow Hedges Recognized in Other Comprehensive Income, Net of Tax (Detail)truefalseIn Millionsfalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) / shares USD ($) $eol_PE727-----1010-K0008_STD_365_20101231_0http://www.sec.gov/CIK0000060751duration2010-01-01T00:00:002010-12-31T00:00:00iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170YearStandardhttp://www.lubrizol.com/20101231Yearlz0pureStandardhttp://www.xbrl.org/2003/instancepure0sharesStandardhttp://www.xbrl.org/2003/instanceshares0MonthStandardhttp://www.lubrizol.com/20101231Monthlz0USDUSD$2falsefalseUSDfalsefalse1/1/2009 - 12/31/2009 USD ($) USD ($) / shares $eol_PE727-----1010-K0008_STD_365_20091231_0http://www.sec.gov/CIK0000060751duration2009-01-01T00:00:002009-12-31T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170sharesStandardhttp://www.xbrl.org/2003/instanceshares0iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0YearStandardhttp://www.lubrizol.com/20101231Yearlz0pureStandardhttp://www.xbrl.org/2003/instancepure0USDUSD$3falsefalseUSDfalsefalse1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $eol_PE727-----1010-K0008_STD_366_20081231_0http://www.sec.gov/CIK0000060751duration2008-01-01T00:00:002008-12-31T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170YearStandardhttp://www.lubrizol.com/20101231Yearlz0sharesStandardhttp://www.xbrl.org/2003/instanceshares0pureStandardhttp://www.xbrl.org/2003/instancepure0iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0USDUSD$2true0us-gaap_DerivativeInstrumentsGainLossLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli: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.falsefalseDerivative Instruments, Gain (Loss) [Line Items]3false0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNetus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-2700000-2.7falsetruefalsefalsefalse2truefalsefalse-800000-0.8falsetruefalsefalsefalse3truefalsefalse-16500000-16.5falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -Clause 2 falsefalseGains and (losses) on derivative instruments recognized in OCI4false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lubrizol.com/taxonomy/role/disclosureeffectiveportionsofgainsandlossesonderivativeinstrumentsdesignatedascashflowhedgesrecognizedinothercomprehensiveincomenetoftax1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalseUSDtruefalse{us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis} : Cash Flow Hedging {us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis} : Commodity purchase contracts 1/1/2010 - 12/31/2010 USD ($) $eol_PE727-----1010-K0008_STD_365_20101231_0_402471x401069_402472x399574http://www.sec.gov/CIK0000060751duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseCash Flow Hedgingus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CashFlowHedgingMemberus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisexplicitMemberfalsefalseCommodity purchase contractsus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommodityContractMemberus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5falsefalseUSDtruefalse{us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis} : Cash Flow Hedging {us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis} : Commodity purchase contracts 1/1/2009 - 12/31/2009 USD ($) $eol_PE727-----1010-K0008_STD_365_20091231_0_402471x401069_402472x399574http://www.sec.gov/CIK0000060751duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseCash Flow Hedgingus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CashFlowHedgingMemberus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisexplicitMemberfalsefalseCommodity purchase contractsus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommodityContractMemberus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$6falsefalseUSDtruefalse{us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis} : Cash Flow Hedging {us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis} : Commodity purchase contracts 1/1/2008 - 12/31/2008 USD ($) $eol_PE727-----1010-K0008_STD_366_20081231_0_402471x401069_402472x399574http://www.sec.gov/CIK0000060751duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseCash Flow Hedgingus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CashFlowHedgingMemberus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisexplicitMemberfalsefalseCommodity purchase contractsus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommodityContractMemberus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseCash Flow Hedging | Commodity purchase contracts5true0us-gaap_DerivativeInstrumentsGainLossLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli: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.falsefalseDerivative Instruments, Gain (Loss) [Line Items]6false0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNetus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-2700000-2.7falsefalsefalsefalsefalse2truefalsefalse-2900000-2.9falsefalsefalsefalsefalse3truefalsefalse-3700000-3.7falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -Clause 2 falsefalseGains and (losses) on derivative instruments recognized in OCI7false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.lubrizol.com/taxonomy/role/disclosureeffectiveportionsofgainsandlossesonderivativeinstrumentsdesignatedascashflowhedgesrecognizedinothercomprehensiveincomenetoftax1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse7falsefalseUSDtruefalse{us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis} : Cash Flow Hedging {us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis} : Treasury Rate Lock 1/1/2009 - 12/31/2009 USD ($) $eol_PE727-----1010-K0008_STD_365_20091231_0_402471x424552_402472x399574http://www.sec.gov/CIK0000060751duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseCash Flow Hedgingus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CashFlowHedgingMemberus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisexplicitMemberfalsefalseTreasury Rate Lockus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisxbrldihttp://xbrl.org/2006/xbrldilz_TreasuryRateLockMemberus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8falsefalseUSDtruefalse{us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis} : Cash Flow Hedging {us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis} : Treasury Rate Lock 1/1/2008 - 12/31/2008 USD ($) $eol_PE727-----1010-K0008_STD_366_20081231_0_402471x424552_402472x399574http://www.sec.gov/CIK0000060751duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseCash Flow Hedgingus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CashFlowHedgingMemberus-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxisexplicitMemberfalsefalseTreasury Rate Lockus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisxbrldihttp://xbrl.org/2006/xbrldilz_TreasuryRateLockMemberus-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseCash Flow Hedging | Treasury Rate Lock8true0us-gaap_DerivativeInstrumentsGainLossLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli: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.falsefalseDerivative Instruments, Gain (Loss) [Line Items]9false0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNetus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse21000002.1falsetruefalsefalsefalse3truefalsefalse-12800000-12.8falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -Clause 2 falsefalseGains and (losses) on derivative instruments recognized in OCI38Effective Portions of Gains and (Losses) on Derivative Instruments Designated as Cash Flow Hedges Recognized in Other Comprehensive Income, Net of Tax (Detail) (USD $)HundredThousandsUnKnownUnKnownUnKnownfalsetrue