XML 12 R25.htm IDEA: XBRL DOCUMENT v2.4.1.9
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName LEGG MASON PARTNERS EQUITY TRUST
Prospectus Date rr_ProspectusDate Feb. 01, 2015
ClearBridge Small Cap Value Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading CLEARBRIDGE
SMALL CAP VALUE FUND
Objective [Heading] rr_ObjectiveHeading Investment objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The fund seeks long-term capital growth.
Expense [Heading] rr_ExpenseHeading Fees and expenses of the fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The accompanying table describes the fees and expenses that you may pay if you buy and hold shares of the fund.

You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $25,000 in funds sold by Legg Mason Investor Services, LLC (“LMIS”), the fund’s distributor. More information about these and other discounts is available from your financial intermediary, in this Prospectus on page 15 under the heading “Sales charges” and in the fund’s statement of additional information (“SAI”) on page 51 under the heading “Sales Charge Waivers and Reductions.”

The fund no longer offers Class R1 shares for purchase by new or existing investors.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder fees
(fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual fund operating expenses (%)
(expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio turnover.
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund’s performance. During the most recent fiscal year, the fund’s portfolio turnover rate was 27% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 27.00%rr_PortfolioTurnoverRate
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $25,000 in funds sold by Legg Mason Investor Services, LLC (“LMIS”), the fund’s distributor.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 25,000rr_ExpenseBreakpointMinimumInvestmentRequiredAmount
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates “Other expenses” for Class FI, Class R and Class R1 shares are estimated for the current fiscal year. Actual expenses may differ from estimates.
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent “Other expenses” have been restated to reflect current fees.
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees Total annual fund operating expenses do not correlate with the ratios of expenses to average net assets reported in the financial highlights tables contained in the fund’s Prospectus and in the fund’s shareholder reports, because the ratios in the financial highlights tables reflect the fund’s operating expenses and do not include acquired fund fees and expenses.
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The example assumes:
  • You invest $10,000 in the fund for the time periods indicated
  • Your investment has a 5% return each year and the fund’s operating expenses remain the same
  • You reinvest all distributions and dividends without a sales charge
Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Number of years you own your shares ($)
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption Number of years you own your shares ($)
Strategy [Heading] rr_StrategyHeading Principal investment strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock Under normal circumstances, the fund invests at least 80% of its net assets, plus borrowings for investment purposes, if any, in common stocks and other equity securities of small capitalization U.S. companies or in other investments with similar economic characteristics. The fund may invest up to 20% of its net assets in shares of companies with larger market capitalizations.
Risk [Heading] rr_RiskHeading Principal risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock Risk is inherent in all investing. There is no assurance that the fund will meet its investment objective. The value of your investment in the fund, as well as the amount of return you receive on your investment, may fluctuate significantly. You may lose part or all of your investment in the fund or your investment may not perform as well as other similar investments. The fund may take temporary defensive positions; in such a case, the fund will not be pursuing its principal investment strategies. The following is a summary description of certain risks of investing in the fund.

Stock market and equity securities risk. The securities markets are volatile and the market prices of the fund’s securities may decline generally. Securities fluctuate in price based on changes in a company’s financial condition and overall market and economic conditions. If the market prices of the securities owned by the fund fall, the value of your investment in the fund will decline.

Recent market events risk. The global financial crisis that began in 2008 has caused a significant decline in the value and liquidity of many securities and unprecedented volatility in the markets. In response to the crisis, the U.S. government and the Federal Reserve, as well as certain foreign governments and their central banks have taken steps to support financial markets, including by keeping interest rates at historically low levels. More recently, the Federal Reserve has reduced its market support activities. Further reduction or withdrawal of this support, failure of efforts in response to the crisis, or investor perception that such efforts are not succeeding could negatively affect financial markets generally as well as result in higher interest rates, increase market volatility and reduce the value and liquidity of certain securities.

This environment could make identifying investment risks and opportunities especially difficult for the subadviser, and whether or not the fund invests in securities of issuers located in or with significant exposure to countries experiencing economic and financial difficulties, the value and liquidity of the fund’s investments may be negatively affected. In addition, policy and legislative changes in the United States and in other countries are affecting many aspects of financial regulation. The impact of these changes on the markets, and the practical implications for market participants, may not be fully known for some time.

Small capitalization company risk. The fund will be exposed to additional risks as a result of its investments in the securities of small capitalization companies. Small capitalization companies may fall out of favor with investors; may have limited product lines, operating histories, markets or financial resources; or may be dependent upon a limited management group. The prices of securities of small capitalization companies generally are more volatile than those of large capitalization companies and are more likely to be adversely affected than large capitalization companies by changes in earnings results and investor expectations or poor economic or market conditions, including those experienced during a recession. Securities of small capitalization companies may underperform large capitalization companies, may be harder to sell at times and at prices the portfolio managers believe appropriate and may offer greater potential for losses.

Value investing risk. The value approach to investing involves the risk that stocks may remain undervalued. Value stocks may underperform the overall equity market while the market concentrates on growth stocks. Although the fund will not concentrate its investments in any one industry or industry group, it may, like many value funds, weight its investments toward certain industries, thus increasing its exposure to factors adversely affecting issuers within those industries.

Issuer risk. The value of a security can go up or down more than the market as a whole and can perform differently from the value of the market as a whole, often due to disappointing earnings reports by the issuer, unsuccessful products or services, loss of major customers, major litigation against the issuer or changes in government regulations affecting the issuer or the competitive environment. The fund may experience a substantial or complete loss on an individual security. Historically, the prices of securities of small and medium capitalization companies have generally gone up or down more than those of large capitalization companies, although even large capitalization companies may fall out of favor with investors.

Portfolio selection risk. The value of your investment may decrease if the subadviser’s judgment about the attractiveness or value of, or market trends affecting a particular security, industry, sector or region, or about market movements is incorrect.

Liquidity risk. Some assets held by the fund may be impossible or difficult to sell, particularly during times of market turmoil. These illiquid assets may also be difficult to value. If the fund is forced to sell an illiquid asset to meet redemption requests or other cash needs, the fund may be forced to sell at a loss.

These risks are discussed in more detail later in this Prospectus or in the SAI.
Risk Lose Money [Text] rr_RiskLoseMoney You may lose part or all of your investment in the fund or your investment may not perform as well as other similar investments.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock The accompanying bar chart and table provide some indication of the risks of investing in the fund. The bar chart shows changes in the fund’s performance from year to year for Class A shares. The table shows the average annual total returns of each class of the fund that has been in operation for at least one full calendar year and also compares the fund’s performance with the average annual total returns of an index or other benchmark. Performance for classes other than those shown may vary from the performance shown to the extent the expenses for those classes differ. The fund makes updated performance information, including its current net asset value, available at the fund’s website, http://www.leggmason.com/individualinvestors/prospectuses (click on the name of the fund), or by calling the fund at 1-877-721-1926.

The fund’s past performance (before and after taxes) is not necessarily an indication of how the fund will perform in the future.

Sales charges are not reflected in the accompanying bar chart, and if those charges were included, returns would be less than those shown.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart shows changes in the fund’s performance from year to year for Class A shares. The table shows the average annual total returns of each class of the fund that has been in operation for at least one full calendar year and also compares the fund’s performance with the average annual total returns of an index or other benchmark.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 1-877-721-1926
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress http://www.leggmason.com/individualinvestors/prospectuses (click on the name of the fund)
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The fund’s past performance (before and after taxes) is not necessarily an indication of how the fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Total returns (%)
Before taxes
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales charges are not reflected in the accompanying bar chart, and if those charges were included, returns would be less than those shown.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock Calendar Years ended December 31

Best Quarter (09/30/2009): 22.93    Worst Quarter (12/31/2008): (27.47)
Performance Table Heading rr_PerformanceTableHeading Average annual total returns (%)
(for periods ended December 31, 2014)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate The after-tax returns are shown only for Class A shares, are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown The after-tax returns are shown only for Class A shares, are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns for classes other than Class A will vary from returns shown for Class A.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock The after-tax returns are shown only for Class A shares, are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns for classes other than Class A will vary from returns shown for Class A.
ClearBridge Small Cap Value Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther none [1],[2]
Small account fee ($) rr_MaximumAccountFee 15rr_MaximumAccountFee
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
[3]
Management fees rr_ManagementFeesOverAssets 0.75%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
Other expenses rr_OtherExpensesOverAssets 0.35%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
[4]
Total annual fund operating expenses rr_ExpensesOverAssets 1.35%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
[5]
1 year rr_ExpenseExampleYear01 705rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
3 years rr_ExpenseExampleYear03 978rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
5 years rr_ExpenseExampleYear05 1,272rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
10 years rr_ExpenseExampleYear10 2,107rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
1 year rr_ExpenseExampleNoRedemptionYear01 705rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
3 years rr_ExpenseExampleNoRedemptionYear03 978rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
5 years rr_ExpenseExampleNoRedemptionYear05 1,272rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
10 years rr_ExpenseExampleNoRedemptionYear10 2,107rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2005 rr_AnnualReturn2005 6.60%rr_AnnualReturn2005
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2006 rr_AnnualReturn2006 11.38%rr_AnnualReturn2006
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2007 rr_AnnualReturn2007 (2.55%)rr_AnnualReturn2007
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2008 rr_AnnualReturn2008 (35.94%)rr_AnnualReturn2008
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2009 rr_AnnualReturn2009 32.87%rr_AnnualReturn2009
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2010 rr_AnnualReturn2010 24.93%rr_AnnualReturn2010
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2011 rr_AnnualReturn2011 (7.13%)rr_AnnualReturn2011
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2012 rr_AnnualReturn2012 15.29%rr_AnnualReturn2012
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2013 rr_AnnualReturn2013 34.26%rr_AnnualReturn2013
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
2014 rr_AnnualReturn2014 1.71%rr_AnnualReturn2014
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 22.93%rr_BarChartHighestQuarterlyReturn
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (27.47%)rr_BarChartLowestQuarterlyReturn
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
1 year rr_AverageAnnualReturnYear01 (4.13%)rr_AverageAnnualReturnYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
5 years rr_AverageAnnualReturnYear05 11.48%rr_AverageAnnualReturnYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
10 years rr_AverageAnnualReturnYear10 5.42%rr_AverageAnnualReturnYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
ClearBridge Small Cap Value Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther 1.00%rr_MaximumDeferredSalesChargeOverOther
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
[2]
Small account fee ($) rr_MaximumAccountFee 15rr_MaximumAccountFee
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
[3]
Management fees rr_ManagementFeesOverAssets 0.75%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
Other expenses rr_OtherExpensesOverAssets 0.34%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
[4]
Total annual fund operating expenses rr_ExpensesOverAssets 2.09%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
[5]
1 year rr_ExpenseExampleYear01 312rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
3 years rr_ExpenseExampleYear03 655rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
5 years rr_ExpenseExampleYear05 1,124rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
10 years rr_ExpenseExampleYear10 2,421rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
1 year rr_ExpenseExampleNoRedemptionYear01 212rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
3 years rr_ExpenseExampleNoRedemptionYear03 655rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
5 years rr_ExpenseExampleNoRedemptionYear05 1,124rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
10 years rr_ExpenseExampleNoRedemptionYear10 2,421rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
1 year rr_AverageAnnualReturnYear01 0.01%rr_AverageAnnualReturnYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
5 years rr_AverageAnnualReturnYear05 11.93%rr_AverageAnnualReturnYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
10 years rr_AverageAnnualReturnYear10 5.17%rr_AverageAnnualReturnYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044873Member
ClearBridge Small Cap Value Fund | Class FI  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther none [2]
Small account fee ($) rr_MaximumAccountFee none [3]
Management fees rr_ManagementFeesOverAssets 0.75%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
Other expenses rr_OtherExpensesOverAssets 0.33%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
[4],[6]
Total annual fund operating expenses rr_ExpensesOverAssets 1.33%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
[5]
1 year rr_ExpenseExampleYear01 135rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
3 years rr_ExpenseExampleYear03 421rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
5 years rr_ExpenseExampleYear05 728rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
10 years rr_ExpenseExampleYear10 1,600rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
1 year rr_ExpenseExampleNoRedemptionYear01 135rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
3 years rr_ExpenseExampleNoRedemptionYear03 421rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
5 years rr_ExpenseExampleNoRedemptionYear05 728rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
10 years rr_ExpenseExampleNoRedemptionYear10 1,600rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058931Member
ClearBridge Small Cap Value Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther none [2]
Small account fee ($) rr_MaximumAccountFee none [3]
Management fees rr_ManagementFeesOverAssets 0.75%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
Other expenses rr_OtherExpensesOverAssets 0.33%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
[4],[6]
Total annual fund operating expenses rr_ExpensesOverAssets 1.58%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
[5]
1 year rr_ExpenseExampleYear01 161rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
3 years rr_ExpenseExampleYear03 499rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
5 years rr_ExpenseExampleYear05 861rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
10 years rr_ExpenseExampleYear10 1,879rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
1 year rr_ExpenseExampleNoRedemptionYear01 161rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
3 years rr_ExpenseExampleNoRedemptionYear03 499rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
5 years rr_ExpenseExampleNoRedemptionYear05 861rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
10 years rr_ExpenseExampleNoRedemptionYear10 1,879rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000058932Member
ClearBridge Small Cap Value Fund | Class R1  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther none [2]
Small account fee ($) rr_MaximumAccountFee none [3]
Management fees rr_ManagementFeesOverAssets 0.75%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
Other expenses rr_OtherExpensesOverAssets 0.33%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
[4],[6]
Total annual fund operating expenses rr_ExpensesOverAssets 2.08%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
[5]
1 year rr_ExpenseExampleYear01 211rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
3 years rr_ExpenseExampleYear03 652rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
5 years rr_ExpenseExampleYear05 1,119rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
10 years rr_ExpenseExampleYear10 2,411rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
1 year rr_ExpenseExampleNoRedemptionYear01 211rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
3 years rr_ExpenseExampleNoRedemptionYear03 652rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
5 years rr_ExpenseExampleNoRedemptionYear05 1,119rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
10 years rr_ExpenseExampleNoRedemptionYear10 2,411rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000082536Member
ClearBridge Small Cap Value Fund | Class I  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther none [2]
Small account fee ($) rr_MaximumAccountFee none [3]
Management fees rr_ManagementFeesOverAssets 0.75%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.26%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
[4]
Total annual fund operating expenses rr_ExpensesOverAssets 1.01%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
[5]
1 year rr_ExpenseExampleYear01 103rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
3 years rr_ExpenseExampleYear03 321rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
5 years rr_ExpenseExampleYear05 557rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
10 years rr_ExpenseExampleYear10 1,234rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
1 year rr_ExpenseExampleNoRedemptionYear01 103rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
3 years rr_ExpenseExampleNoRedemptionYear03 321rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
5 years rr_ExpenseExampleNoRedemptionYear05 557rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
10 years rr_ExpenseExampleNoRedemptionYear10 1,234rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
1 year rr_AverageAnnualReturnYear01 1.99%rr_AverageAnnualReturnYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
5 years rr_AverageAnnualReturnYear05 13.18%rr_AverageAnnualReturnYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
10 years rr_AverageAnnualReturnYear10 6.41%rr_AverageAnnualReturnYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000044874Member
ClearBridge Small Cap Value Fund | Class IS  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther none [2]
Small account fee ($) rr_MaximumAccountFee none [3]
Management fees rr_ManagementFeesOverAssets 0.75%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.13%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
[4]
Total annual fund operating expenses rr_ExpensesOverAssets 0.88%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
[5]
1 year rr_ExpenseExampleYear01 90rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
3 years rr_ExpenseExampleYear03 281rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
5 years rr_ExpenseExampleYear05 488rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
10 years rr_ExpenseExampleYear10 1,084rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
1 year rr_ExpenseExampleNoRedemptionYear01 90rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
3 years rr_ExpenseExampleNoRedemptionYear03 281rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
5 years rr_ExpenseExampleNoRedemptionYear05 488rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
10 years rr_ExpenseExampleNoRedemptionYear10 1,084rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
1 year rr_AverageAnnualReturnYear01 2.11%rr_AverageAnnualReturnYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
5 years rr_AverageAnnualReturnYear05    [7]
10 years rr_AverageAnnualReturnYear10    [7]
Since inception rr_AverageAnnualReturnSinceInception 11.70%rr_AverageAnnualReturnSinceInception
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_ProspectusShareClassAxis
= lmpet1_C000127028Member
Inception date rr_AverageAnnualReturnInceptionDate May 22, 2013
ClearBridge Small Cap Value Fund | Return after taxes on distributions | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 year rr_AverageAnnualReturnYear01 (6.83%)rr_AverageAnnualReturnYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsMember
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
5 years rr_AverageAnnualReturnYear05 10.38%rr_AverageAnnualReturnYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsMember
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
10 years rr_AverageAnnualReturnYear10 4.14%rr_AverageAnnualReturnYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsMember
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
ClearBridge Small Cap Value Fund | Return after taxes on distributions and sale of fund shares | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 year rr_AverageAnnualReturnYear01 (0.66%)rr_AverageAnnualReturnYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsAndSalesMember
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
5 years rr_AverageAnnualReturnYear05 9.05%rr_AverageAnnualReturnYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsAndSalesMember
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
10 years rr_AverageAnnualReturnYear10 4.20%rr_AverageAnnualReturnYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= rr_AfterTaxesOnDistributionsAndSalesMember
/ rr_ProspectusShareClassAxis
= lmpet1_C000044871Member
ClearBridge Small Cap Value Fund | Russell 2000 Value Index (reflects no deduction for fees, expenses or taxes)  
Risk/Return: rr_RiskReturnAbstract  
1 year rr_AverageAnnualReturnYear01 4.22%rr_AverageAnnualReturnYear01
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= lmpet1_RussellTwoThousandValueIndexMember
[8]
5 years rr_AverageAnnualReturnYear05 14.26%rr_AverageAnnualReturnYear05
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= lmpet1_RussellTwoThousandValueIndexMember
[8]
10 years rr_AverageAnnualReturnYear10 6.89%rr_AverageAnnualReturnYear10
/ dei_LegalEntityAxis
= lmpet1_S000016238Member
/ rr_PerformanceMeasureAxis
= lmpet1_RussellTwoThousandValueIndexMember
[8]
[1] Generally,
[2] Maximum deferred sales charge (load) may be reduced over time.
[3] If your shares are held in a direct account and the value of your account is below $1,000 ($250 for retirement plans that are not employer-sponsored), the fund may charge you a fee of $3.75 per account that is determined and assessed quarterly (with an annual maximum of $15.00 per account). Direct accounts generally include accounts held in the name of the individual investor on the fund's books and records.
[4] "Other expenses" have been restated to reflect current fees.
[5] Total annual fund operating expenses do not correlate with the ratios of expenses to average net assets reported in the financial highlights tables contained in the fund's Prospectus and in the fund's shareholder reports, because the ratios in the financial highlights tables reflect the fund's operating expenses and do not include acquired fund fees and expenses.
[6] "Other expenses" for Class FI, Class R and Class R1 shares are estimated for the current fiscal year. Actual expenses may differ from estimates.
[7] N/A
[8] For Class IS shares, for the period from the class' inception date to December 31, 2014, the average annual total return of the Russell 2000 Value Index was 13.02%.