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ClearBridge Large Cap Value Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading CLEARBRIDGE LARGE CAP VALUE FUND
Objective [Heading] rr_ObjectiveHeading Investment objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The fund seeks long-term growth of capital as its primary investment objective.
Objective, Secondary [Text Block] rr_ObjectiveSecondaryTextBlock Current income is a secondary objective.
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, hold and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. 
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 distributed through Franklin Distributors, LLC (“Franklin Distributors” or the “Distributor”), the fund’s distributor. More information about these and other discounts is available from your Service Agent, in the fund’s Prospectus on page 22 under the heading “Additional information about each share class,” in the appendix titled “Appendix: Waivers and Discounts Available from Certain Service Agents” on page A‑1 of the fund’s Prospectus and in the fund’s Statement of Additional Information (“SAI”) on page 124 under the heading “Sales Charge Waivers and Reductions for Class A Shares.” “Service Agents” include banks, brokers, dealers, insurance companies, investment advisers, financial consultants or advisers, mutual fund supermarkets and other financial intermediaries that have entered into an agreement with the Distributor to sell shares of the fund. 
If you purchase Class I shares or Class IS shares through a Service Agent acting solely as an agent on behalf of its customers, that Service Agent may charge you a commission. Such commissions, if any, are not charged by the fund and are not reflected in the fee table or expense example below. 
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)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination December 31, 2024
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 17% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 17.00%
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock You may buy Class A shares in amounts of $1,000,000 or more at net asset value (without an initial sales charge), but if you redeem those shares within 18 months of their purchase, you will pay a contingent deferred sales charge of 1.00%.
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 distributed through Franklin Distributors, LLC (“Franklin Distributors” or the “Distributor”), the fund’s distributor.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 25,000
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 in the fund’s Prospectus and in the fund’s shareholder reports, which 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 $10,000 in the fund for the time periods indicated
•  
Your investment has a 5% return each year and the fund’s operating expenses remain the same (except that any applicable fee waiver or expense reimbursement is reflected only through its expiration date)
•  
You reinvest all distributions and dividends without a sales charge
Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Number of years you own your shares ($)
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 equity securities, or other investments with similar economic characteristics, of companies with large market capitalizations. Large capitalization companies are those companies with market capitalizations similar to companies in the Russell 1000 Index (the “Index”). The size of the companies in the Index changes with market conditions and the composition of the Index. Securities of companies whose market capitalizations no longer meet this definition after purchase by the fund still will be considered securities of large capitalization companies for purposes of the fund’s 80% investment policy.
Risk [Heading] rr_RiskHeading Principal risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock
Risk is inherent in all investing. 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. An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or by any bank or government agency. The following is a summary description of certain risks of investing in the fund.
Stock market and equity securities risk. The stock markets are volatile and the market prices of the fund’s equity securities may decline generally. Equity securities may include warrants, rights, exchange-traded and over‑the‑counter common stocks, preferred stock, depositary receipts,
  
trust certificates, limited partnership interests and shares of other investment companies, including exchange-traded funds and real estate investment trusts. Equity securities may have greater price volatility than other asset classes, such as fixed income securities, and may fluctuate in price based on actual or perceived changes in a company’s financial condition and overall market and economic conditions and perceptions. If the market prices of the equity securities owned by the fund fall, the value of your investment in the fund will decline. 
Market events risk. The market values of securities or other assets will fluctuate, sometimes sharply and unpredictably, due to changes in general market conditions, overall economic trends or events, governmental actions or intervention, actions taken by the U.S. Federal Reserve or foreign central banks, market disruptions caused by trade disputes or other factors, political developments, armed conflicts, economic sanctions and countermeasures in response to sanctions, major cybersecurity events, investor sentiment, the global and domestic effects of a pandemic, and other factors that may or may not be related to the issuer of the security or other asset. Economies and financial markets throughout the world are increasingly interconnected. Economic, financial or political events, trading and tariff arrangements, public health events, terrorism, wars, natural disasters and other circumstances in one country or region could have profound impacts on global economies or markets. As a result, whether or not the fund invests in securities of issuers located in or with significant exposure to the countries or markets directly affected, the value and liquidity of the fund’s investments may be negatively affected. Following Russia’s invasion of Ukraine, Russian stocks lost all, or nearly all, of their market value. Other securities or markets could be similarly affected by past or future geopolitical or other events or conditions.  
For example, the fallout from the COVID‑19 pandemic and its subsequent variants, and the long-term impact on economies, markets, industries and individual issuers, are not known. Some sectors of the economy and individual issuers have experienced or may experience particularly large losses. Periods of extreme volatility in the financial markets; reduced liquidity of many instruments; and disruptions to supply chains, consumer demand and employee availability, may continue for some time. 
Raising the ceiling on U.S. government debt has become increasingly politicized. Any failure to increase the total amount that the U.S. government is authorized to borrow could lead to a default on U.S. government obligations, with unpredictable consequences for economies and markets in the U.S. and elsewhere. Recently, inflation and interest rates have increased and may rise further. These circumstances could adversely affect the value and liquidity of the fund’s investments, impair the fund’s ability to satisfy redemption requests, and negatively impact the fund’s performance. 
The United States and other countries are periodically involved in disputes over trade and other matters, which may result in tariffs, investment restrictions and adverse impacts on affected companies and securities. For example, the United States has imposed tariffs and other trade barriers on Chinese exports, has restricted sales of certain categories of goods to China, and has established barriers to investments in China. Trade disputes may adversely affect the economies of the United States and its trading partners, as well as companies directly or indirectly affected and financial markets generally. In addition, the Chinese government is involved in a longstanding dispute with Taiwan that has included threats of invasion. If the political climate between the United States and China does not improve or continues to deteriorate, if China were to attempt unification of Taiwan by force, or if other geopolitical conflicts develop or get worse, economies, markets and individual securities may be severely affected both regionally and globally, and the value of the fund’s assets may go down. 
Large capitalization company risk. Large capitalization companies may fall out of favor with investors based on market and economic conditions. In addition, larger companies may not be able to attain the high growth rates of successful smaller companies and may be less capable of responding quickly to competitive challenges and industry changes. As a result, the fund’s value may not rise as much as, or may fall more than, the value of funds that focus on companies with smaller market capitalizations.  
Issuer risk. The market price 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, due to factors specifically relating to the security’s issuer, such as disappointing earnings reports by the issuer, unsuccessful products or services, loss of major customers, changes in management, corporate actions, negative perception in the marketplace, or major litigation or changes in government regulations affecting the issuer or the competitive environment. An individual security may also be affected by factors relating to the industry or sector of the issuer. 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 been more volatile than those of large capitalization companies. A change in financial condition or other event affecting a single issuer may adversely impact the industry or sector of the issuer or securities markets as a whole.  
Industry or sector focus risk. The fund may be susceptible to an increased risk of loss, including losses due to events that adversely affect the fund’s investments more than the market as a whole, to the extent that the fund may, from time to time, have greater exposure to the securities of a particular issuer or issuers within the same industry or sector.  
Illiquidity risk. Some assets held by the fund may be or become impossible or difficult to sell, particularly during times of market turmoil. These illiquid assets may also be difficult to value. Markets may become illiquid when, for instance, there are few, if any, interested buyers or sellers or when dealers are unwilling or unable to make a market for certain securities. As a general matter, dealers have been less willing to make markets for fixed income securities. If the fund is forced to sell an illiquid asset to meet redemption requests or other cash needs, or to try to limit losses, the fund may be forced to sell at a substantial loss or may not be able to sell at all.  
Portfolio management 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 or does not produce the desired results, or if there are imperfections, errors or limitations in the models, tools and data used by the subadviser. In addition, the fund’s investment strategies or  
policies may change from time to time. Those changes may not lead to the results intended by the subadviser and could have an adverse effect on the value or performance of the fund. 
Value investing risk. The value approach to investing involves the risk that stocks may remain undervalued for long periods, undervaluation may become more severe, or perceived undervaluation may actually represent intrinsic value. Value stocks may underperform the overall equity market for an extended period while the market favors growth stocks. A value stock may not increase in price as anticipated by the subadviser if other investors fail to recognize the company’s value and bid up the price or the factors that the subadviser believes will increase the price of the security do not occur or do not have the anticipated effect. Value stocks may go in and out of favor over time and the subadviser may sell a security prior to the security realizing a gain in connection with changed market perception regarding the value of the security.  
Valuation risk. The sales price the fund could receive for any particular portfolio investment may differ from the fund’s valuation of the investment, particularly for securities that trade in thin or volatile markets or that are valued using a fair value methodology. These differences may increase significantly and affect fund investments more broadly during periods of market volatility. Investors who purchase or redeem fund shares on days when the fund is holding fair-valued securities may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the fund had not fair-valued securities or had used a different valuation methodology. The fund’s ability to value its investments may be impacted by technological issues and/or errors by pricing services or other third party service providers. The valuation of the fund’s investments involves subjective judgment, which may prove to be incorrect.  
Cybersecurity risk. Cybersecurity incidents, whether intentionally caused by third parties or otherwise, may allow an unauthorized party to gain access to fund assets, fund or customer data (including private shareholder information) or proprietary information, cause the fund, the manager, the subadvisers and/or their service providers (including, but not limited to, fund accountants, custodians, sub‑custodians, transfer agents and financial intermediaries) to suffer data breaches, data corruption or loss of operational functionality, or prevent fund investors from purchasing, redeeming or exchanging shares, receiving distributions or receiving timely information regarding the fund or their investment in the fund. The fund, the manager, and the subadvisers have limited ability to prevent or mitigate cybersecurity incidents affecting third party service providers, and such third party service providers may have limited indemnification obligations to the fund, the manager, and/or the subadvisers. Cybersecurity incidents may result in financial losses to the fund and its shareholders, and substantial costs may be incurred in order to prevent or mitigate any future cybersecurity incidents. Issuers of securities in which the fund invests are also subject to cybersecurity risks, and the value of these securities could decline if the issuers experience cybersecurity incidents.  
Because technology is frequently changing, new ways to carry out cyber attacks are always developing. Therefore, there is a chance that some risks have not been identified or prepared for, or that an attack may not be detected, which puts limitations on the fund’s ability to plan for or respond to a cyber attack. Like other funds and business enterprises, the fund, the manager, the subadvisers and their service providers are subject to the risk of cyber incidents occurring from time to time. 
These and other risks are discussed in more detail in the Prospectus or in the Statement of Additional Information. 
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.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or by any bank or government agency.
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 I 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. The fund also compares its performance to the S&P 500 Index. 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 www.franklintempleton.com/mutualfunds (select fund and share class), or by calling the fund at 877‑6LM‑FUND/656‑3863.
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 I 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 877‑6LM‑FUND/656‑3863
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.franklintempleton.com/mutualfunds (select fund and share class)
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 (06/30/2020): 15.10 Worst Quarter (03/31/2020): (23.94)
Performance Table Heading rr_PerformanceTableHeading Average annual total returns (%)(for periods ended December 31, 2022)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate The after‑tax returns are shown only for Class I 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 I 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 I will vary from returns shown for Class I. Returns after taxes on distributions and sale of fund shares are higher than returns before taxes for certain periods shown because they reflect the tax benefit of capital losses realized on the redemption of fund shares.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher Returns after taxes on distributions and sale of fund shares are higher than returns before taxes for certain periods shown because they reflect the tax benefit of capital losses realized on the redemption of fund shares.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock
The after‑tax returns are shown only for Class I 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 I will vary from returns shown for Class I. Returns after taxes on distributions and sale of fund shares are higher than returns before taxes for certain periods shown because they reflect the tax benefit of capital losses realized on the redemption of fund shares.
ClearBridge Large Cap Value Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.50% [1],[2]
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther none [3],[4]
Small account fee ($) rr_MaximumAccountFee $ 15 [5]
Management fees rr_ManagementFeesOverAssets 0.49% [6]
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.15%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 0.90% [7]
Fees waived and/or expenses reimbursed rr_FeeWaiverOrReimbursementOverAssets (0.10%) [8]
Total annual fund operating expenses after waiving fees and/or reimbursing expenses rr_NetExpensesOverAssets 0.80% [9]
1 year rr_ExpenseExampleYear01 $ 627
3 years rr_ExpenseExampleYear03 811
5 years rr_ExpenseExampleYear05 1,011
10 years rr_ExpenseExampleYear10 1,588
1 year rr_ExpenseExampleNoRedemptionYear01 627
3 years rr_ExpenseExampleNoRedemptionYear03 811
5 years rr_ExpenseExampleNoRedemptionYear05 1,011
10 years rr_ExpenseExampleNoRedemptionYear10 $ 1,588
1 year rr_AverageAnnualReturnYear01 (11.92%)
5 years rr_AverageAnnualReturnYear05 6.42%
10 years rr_AverageAnnualReturnYear10 9.60%
ClearBridge Large 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% [3]
Small account fee ($) rr_MaximumAccountFee $ 15 [5]
Management fees rr_ManagementFeesOverAssets 0.49% [6]
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.13%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 1.63% [7]
Fees waived and/or expenses reimbursed rr_FeeWaiverOrReimbursementOverAssets [8]
Total annual fund operating expenses after waiving fees and/or reimbursing expenses rr_NetExpensesOverAssets 1.63%
1 year rr_ExpenseExampleYear01 $ 266
3 years rr_ExpenseExampleYear03 514
5 years rr_ExpenseExampleYear05 886
10 years rr_ExpenseExampleYear10 1,738
1 year rr_ExpenseExampleNoRedemptionYear01 166
3 years rr_ExpenseExampleNoRedemptionYear03 514
5 years rr_ExpenseExampleNoRedemptionYear05 886
10 years rr_ExpenseExampleNoRedemptionYear10 $ 1,738
1 year rr_AverageAnnualReturnYear01 (8.27%)
5 years rr_AverageAnnualReturnYear05 6.87%
10 years rr_AverageAnnualReturnYear10 9.41%
ClearBridge Large 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 [3]
Small account fee ($) rr_MaximumAccountFee none [5]
Management fees rr_ManagementFeesOverAssets 0.49% [6]
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.36%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 1.36% [7]
Fees waived and/or expenses reimbursed rr_FeeWaiverOrReimbursementOverAssets [8]
Total annual fund operating expenses after waiving fees and/or reimbursing expenses rr_NetExpensesOverAssets 1.36%
1 year rr_ExpenseExampleYear01 $ 138
3 years rr_ExpenseExampleYear03 431
5 years rr_ExpenseExampleYear05 745
10 years rr_ExpenseExampleYear10 1,636
1 year rr_ExpenseExampleNoRedemptionYear01 138
3 years rr_ExpenseExampleNoRedemptionYear03 431
5 years rr_ExpenseExampleNoRedemptionYear05 745
10 years rr_ExpenseExampleNoRedemptionYear10 $ 1,636
1 year rr_AverageAnnualReturnYear01 (7.11%)
5 years rr_AverageAnnualReturnYear05 7.18%
10 years rr_AverageAnnualReturnYear10
Since inception rr_AverageAnnualReturnSinceInception 7.84%
Inception date rr_AverageAnnualReturnInceptionDate Dec. 19, 2013
ClearBridge Large 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 [3]
Small account fee ($) rr_MaximumAccountFee none [5]
Management fees rr_ManagementFeesOverAssets 0.49% [6]
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.12%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 0.62% [7]
Fees waived and/or expenses reimbursed rr_FeeWaiverOrReimbursementOverAssets [8]
Total annual fund operating expenses after waiving fees and/or reimbursing expenses rr_NetExpensesOverAssets 0.62%
1 year rr_ExpenseExampleYear01 $ 63
3 years rr_ExpenseExampleYear03 198
5 years rr_ExpenseExampleYear05 345
10 years rr_ExpenseExampleYear10 774
1 year rr_ExpenseExampleNoRedemptionYear01 63
3 years rr_ExpenseExampleNoRedemptionYear03 198
5 years rr_ExpenseExampleNoRedemptionYear05 345
10 years rr_ExpenseExampleNoRedemptionYear10 $ 774
2013 rr_AnnualReturn2013 32.17%
2014 rr_AnnualReturn2014 11.79%
2015 rr_AnnualReturn2015 (2.71%)
2016 rr_AnnualReturn2016 13.13%
2017 rr_AnnualReturn2017 14.44%
2018 rr_AnnualReturn2018 (8.73%)
2019 rr_AnnualReturn2019 28.64%
2020 rr_AnnualReturn2020 5.96%
2021 rr_AnnualReturn2021 25.96%
2022 rr_AnnualReturn2022 (6.40%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 15.10%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (23.94%)
1 year rr_AverageAnnualReturnYear01 (6.40%)
5 years rr_AverageAnnualReturnYear05 7.96%
10 years rr_AverageAnnualReturnYear10 10.56%
ClearBridge Large 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 [3]
Small account fee ($) rr_MaximumAccountFee none [5]
Management fees rr_ManagementFeesOverAssets 0.49% [6]
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.04%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 0.54% [7]
Fees waived and/or expenses reimbursed rr_FeeWaiverOrReimbursementOverAssets [8]
Total annual fund operating expenses after waiving fees and/or reimbursing expenses rr_NetExpensesOverAssets 0.54%
1 year rr_ExpenseExampleYear01 $ 55
3 years rr_ExpenseExampleYear03 173
5 years rr_ExpenseExampleYear05 302
10 years rr_ExpenseExampleYear10 678
1 year rr_ExpenseExampleNoRedemptionYear01 55
3 years rr_ExpenseExampleNoRedemptionYear03 173
5 years rr_ExpenseExampleNoRedemptionYear05 302
10 years rr_ExpenseExampleNoRedemptionYear10 $ 678
1 year rr_AverageAnnualReturnYear01 (6.33%)
5 years rr_AverageAnnualReturnYear05 8.03%
10 years rr_AverageAnnualReturnYear10
Since inception rr_AverageAnnualReturnSinceInception 9.15%
Inception date rr_AverageAnnualReturnInceptionDate Oct. 16, 2013
ClearBridge Large Cap Value Fund | Class 1  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a % of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
Maximum deferred sales charge (load) (as a % of the lower of net asset value at purchase or redemption) rr_MaximumDeferredSalesChargeOverOther [3]
Small account fee ($) rr_MaximumAccountFee $ 15 [5]
Management fees rr_ManagementFeesOverAssets 0.49% [6]
Distribution and/or service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.13%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 0.63% [7]
Fees waived and/or expenses reimbursed rr_FeeWaiverOrReimbursementOverAssets [8]
Total annual fund operating expenses after waiving fees and/or reimbursing expenses rr_NetExpensesOverAssets 0.63%
1 year rr_ExpenseExampleYear01 $ 64
3 years rr_ExpenseExampleYear03 201
5 years rr_ExpenseExampleYear05 350
10 years rr_ExpenseExampleYear10 786
1 year rr_ExpenseExampleNoRedemptionYear01 64
3 years rr_ExpenseExampleNoRedemptionYear03 201
5 years rr_ExpenseExampleNoRedemptionYear05 350
10 years rr_ExpenseExampleNoRedemptionYear10 $ 786
1 year rr_AverageAnnualReturnYear01 (6.42%)
5 years rr_AverageAnnualReturnYear05 7.90%
10 years rr_AverageAnnualReturnYear10
Since inception rr_AverageAnnualReturnSinceInception 9.24%
Inception date rr_AverageAnnualReturnInceptionDate Aug. 16, 2013
ClearBridge Large Cap Value Fund | Return after taxes on distributions | Class I  
Risk/Return: rr_RiskReturnAbstract  
1 year rr_AverageAnnualReturnYear01 (6.77%)
5 years rr_AverageAnnualReturnYear05 6.51%
10 years rr_AverageAnnualReturnYear10 9.42%
ClearBridge Large Cap Value Fund | Return after taxes on distributions and sale of fund shares | Class I  
Risk/Return: rr_RiskReturnAbstract  
1 year rr_AverageAnnualReturnYear01 (3.58%)
5 years rr_AverageAnnualReturnYear05 6.05%
10 years rr_AverageAnnualReturnYear10 8.44%
ClearBridge Large Cap Value Fund | Russell 1000 Value Index (reflects no deduction for fees, expenses or taxes)  
Risk/Return: rr_RiskReturnAbstract  
1 year rr_AverageAnnualReturnYear01 (7.54%) [10]
5 years rr_AverageAnnualReturnYear05 6.67% [10]
10 years rr_AverageAnnualReturnYear10 10.29% [10]
ClearBridge Large Cap Value Fund | S&P 500 Index (reflects no deduction for fees, expenses or taxes)  
Risk/Return: rr_RiskReturnAbstract  
1 year rr_AverageAnnualReturnYear01 (18.11%) [11]
5 years rr_AverageAnnualReturnYear05 9.42% [11]
10 years rr_AverageAnnualReturnYear10 12.56% [11]
[1]
Shareholders purchasing Class A shares through certain Service Agents or in certain types of accounts may be eligible for a waiver of the sales charge. For additional information, see “Additional information about each share class — Sales charges” in the Prospectus.
[2]
The sales charge is waived for shareholders purchasing Class A shares through accounts where Franklin Distributors is the broker-dealer of record (“Distributor Accounts”).
[3]
Maximum deferred sales charge (load) may be reduced over time.
[4]
You may buy Class A shares in amounts of $1,000,000 or more at net asset value (without an initial sales charge), but if you redeem those shares within 18 months of their purchase, you will pay a contingent deferred sales charge of 1.00%.
[5]
If 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 by the fund or your Service Agent (with an annual maximum of $15.00 per account). Please contact your Service Agent or the fund for more information.
[6]
The management fee consists of (i) a base fee calculated at a rate that decreases as assets increase and (ii) a possible or negative performance adjustment of up to 0.025% per quarter based upon the fund’s performance relative to the S&P 500 Index. The management fee shown in the table represents the fee rate paid by the fund for the fiscal year ended October 31, 2022, which was comprised of a base fee of 0.49% and a performance adjustment of 0.00%.
[7]
Total annual fund operating expenses do not correlate with the ratios of expenses to average net assets reported in the financial highlights tables in the fund’s Prospectus and in the fund’s shareholder reports, which reflect the fund’s operating expenses and do not include acquired fund fees and expenses.
[8]
The manager has agreed to waive fees and/or reimburse operating expenses (other than interest, brokerage commissions, taxes, extraordinary expenses and acquired fund fees and expenses) so that the ratio of total annual fund operating expenses will not exceed 0.79% for Class A shares, 1.90% for Class C shares, 1.40% for Class R shares, 0.80% for Class I shares, 0.70% for Class IS shares and 0.95% for Class 1 shares, subject to recapture as described below.In addition, the ratio of total annual fund operating expenses for Class IS shares will not exceed the ratio of total annual fund operating expenses for Class I shares, subject to recapture as described below. These arrangements cannot be terminated prior to December 31, 2024 without the Board of Trustees’ consent. The manager is permitted to recapture amounts waived and/or reimbursed to a class during the same fiscal year in which the manager earned the fee or incurred the expense if the class’ total annual fund operating expenses have fallen to a level below the limits described above. In no case will the manager recapture any amount that would result, on any particular business day of the fund, in the class’ total annual fund operating expenses exceeding the applicable limits described above or any other lower limit then in effect. In addition, the manager has agreed to waive the fund’s management fee to an extent sufficient to offset the net management fee payable in connection with any investment in an affiliated money market fund. This management fee waiver is not subject to the recapture provision discussed above.
[9]
Total annual fund operating expenses (after waiving fees and/or reimbursing expenses, as applicable) are higher than the expense cap amounts for Class A as a result of acquired fund fees and expenses.
[10]
For Class R, Class IS and Class 1 shares, for the period from the class’ inception date to December 31, 2022, the average annual total return of the Russell 1000 Value Index was 8.27%, 8.66% and 8.89%, respectively.
[11]
For Class R, Class IS and Class 1 shares, for the period from the class’ inception date to December 31, 2022, the average annual total return of the S&P 500 Index was 10.77%, 11.20% and 11.49%, respectively.