3.23.1 html 31 89 1 true 26 0 false 2 false false R1.htm 000000 - Document - Document and Entity Information {Elements} Sheet http://www.leggmason.com/role/DocumentDocumentandEntityInformationElements000000 Document and Entity Information 1 false false R2.htm 000021 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Dividend Strategy Fund Sheet http://www.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeDividendStrategyFund000021 Risk/Return Detail Data- ClearBridge Dividend Strategy Fund 2 false false R3.htm 000041 - Disclosure - Risk/Return Detail Data {Elements} - BrandywineGLOBAL - CORPORATE CREDIT FUND Sheet http://www.leggmason.com/role/DisclosureRiskReturnDetailDataElementsBrandywineGLOBAL-CORPORATECREDITFUND000041 Risk/Return Detail Data- BrandywineGLOBAL - CORPORATE CREDIT FUND 3 false false R4.htm 000061 - Disclosure - Risk/Return Detail Data {Elements} - BrandywineGLOBAL - HIGH YIELD FUND Sheet http://www.leggmason.com/role/DisclosureRiskReturnDetailDataElementsBrandywineGLOBAL-HIGHYIELDFUND000061 Risk/Return Detail Data- BrandywineGLOBAL - HIGH YIELD FUND 4 false false All Reports Book All Reports [dq-0542-Deprecated-Concept] Concept RiskNarrativeTextBlock in rr/2021 used in 3 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. d488902d485bpos.htm 609, 7701, 12833 [dq-0542-Deprecated-Concept] Concept RiskLoseMoney in rr/2021 used in 3 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. d488902d485bpos.htm 609, 7701, 12833 [dq-0542-Deprecated-Concept] Concept RiskNotInsuredDepositoryInstitution in rr/2021 used in 3 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. d488902d485bpos.htm 609, 7701, 12833 [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 1 fact(s) appearing in ix:hidden were eligible for transformation: rr:RiskReturnHeading - d488902d485bpos.htm 7 d488902d485bpos.htm d488902dex99j.htm lmpet-20230424.xsd lmpet-20230424_cal.xml lmpet-20230424_def.xml lmpet-20230424_lab.xml lmpet-20230424_pre.xml g488902clearbridgelogo.jpg g488902dsp08.jpg g488902g03p97.jpg g488902g1g00a01.jpg g488902g1g00a08.jpg g488902g1g00b01.jpg g488902g1g03p97.jpg g488902g2brandylogo.jpg g488902g2g03p97.jpg g488902g2g11r45.jpg g488902g2g57q58.jpg g488902g57q58.jpg http://xbrl.sec.gov/dei/2021 http://xbrl.sec.gov/rr/2021 true true