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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Document Type dei_DocumentType Other
Document Period End Date dei_DocumentPeriodEndDate Sep. 30, 2013
Registrant Name dei_EntityRegistrantName FRANKLIN CUSTODIAN FUNDS
Central Index Key dei_EntityCentralIndexKey 0000038721
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Jun. 20, 2012
Document Effective Date dei_DocumentEffectiveDate Feb. 20, 2014
Prospectus Date rr_ProspectusDate Feb. 20, 2014
Risk/Return [Heading] rr_RiskReturnHeading Fund Summary
Franklin DynaTech Fund
  
Risk/Return: rr_RiskReturnAbstract  
Objective [Heading] rr_ObjectiveHeading Investment Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock Capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock These tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $50,000 in Franklin Templeton funds. More information about these and other discounts is available from your financial professional and under “Your Account” on page 108 in the Fund's Prospectus and under “Buying and Selling Shares” on page 71 of the Fund’s Statement of Additional Information.
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 Fund 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 35.40% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 35.40%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $50,000 in Franklin Templeton funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
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 that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of the period. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If you do not sell your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal market conditions, the Fund seeks investments primarily in equity securities of companies that the investment manager believes are leaders in innovation, take advantage of new technologies, have superior management, and benefit from new industry conditions in the dynamically changing global economy. The Fund invests predominantly in common stock.

In pursuing these objectives, the investment manager may invest in companies in any economic sector or of any market capitalization and may invest in companies both inside and outside of the United States. Although the investment manager will search for investments across a large number of sectors, it expects to have significant positions in particular sectors including, for example, technology and health care.

The investment manager uses fundamental, "bottom-up" research to seek companies meeting its criteria of growth potential, quality and valuation. In seeking sustainable growth characteristics, the investment manager looks for companies it believes can produce sustainable earnings and cash flow growth, evaluating the long-term market opportunity and competitive structure of an industry to target leaders and emerging leaders.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal market conditions, the Fund seeks investments primarily in equity securities of companies that the investment manager believes are leaders in innovation, take advantage of new technologies, have superior management, and benefit from new industry conditions in the dynamically changing global economy.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

You could lose money by investing in the Fund. Mutual fund shares are not deposits or obligations of, or guaranteed or endorsed by, any bank, and are not insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board, or any other agency of the U.S. government.

Market

The market values of securities owned by the Fund will go up or down, sometimes rapidly or unpredictably. A security’s market value may be reduced by market activity or other results of supply and demand unrelated to the issuer. This is a basic risk associated with all securities. When there are more sellers than buyers, prices tend to fall. Likewise, when there are more buyers than sellers, prices tend to rise.

Stock prices tend to go up and down more dramatically than those of debt securities. A slower-growth or recessionary economic environment could have an adverse effect on the prices of the various stocks held by the Fund.

Focus

The technology sector has historically been volatile due to the rapid pace of product change and development within the sector. Companies in the technology sector may be affected by worldwide technological developments, the success of their products and services (which may be outdated quickly), anticipated products or services that are delayed or cancelled, and investor perception of the company and/or its products or services. The activities of health care companies may be funded or subsidized by federal and state governments and changes in funding may adversely affect the profitability of these companies. Technology and health care companies may also be affected by legislation or changes in government regulation and policies.

Midsize Companies

Securities issued by midsize companies may be more volatile in price than those of larger companies, involve substantial risks and should be considered speculative. Such risks may include greater sensitivity to economic conditions, less certain growth prospects, lack of depth of management and funds for growth and development and limited or less developed product lines and markets.

Foreign Securities

Investing in foreign securities typically involves more risks than investing in U.S. securities, including risks related to currency exchange rates and policies, country or government specific issues, less favorable trading practices or regulation and greater price volatility. Certain of these risks also may apply to securities of U.S. companies with significant foreign operations.

Management

The Fund is subject to management risk because it is an actively managed investment portfolio. The Fund's investment manager applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these decisions will produce the desired results.

Growth Style Investing

Growth stock prices reflect projections of future earnings or revenues, and can, therefore, fall dramatically if the company fails to meet those projections. Prices of these companies’ securities may be more volatile than other securities, particularly over the short term.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at franklintempleton.com or by calling (800) DIAL BEN/342-5236.

The secondary indices in the table below show how the Fund's performance compares to other groups of securities that align more closely with the Fund's investment strategies.

Sales charges are not reflected in the 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 following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) DIAL BEN/342-5236
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress franklintempleton.com
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 CLASS A ANNUAL TOTAL RETURNS
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter:Q1'1218.69%
Worst Quarter:Q4'08-23.41%
Performance Table Heading rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(figures reflect sales charges)

For the periods ended December 31, 2013
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock

Performance information for Class R6 shares is not shown because this class did not have a full calendar year of operations as of the date of this prospectus.

No one index is representative of the Fund's portfolio.

Historical performance for Class R and Advisor Class shares prior to their inception is based on the performance of Class A shares. Class R and Advisor Class performance has been adjusted to reflect differences in sales charges and 12b-1 expenses (with respect to Class R only) between classes.

The after-tax returns 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. After-tax returns 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 are shown only for Class A and after-tax returns for other classes will vary.
Franklin DynaTech Fund | Russell 1000® Growth Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 33.48%
5 Years rr_AverageAnnualReturnYear05 20.39%
10 Years rr_AverageAnnualReturnYear10 7.82%
Franklin DynaTech Fund | NASDAQ Composite Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 40.12%
5 Years rr_AverageAnnualReturnYear05 24.96%
10 Years rr_AverageAnnualReturnYear10 9.51%
Franklin DynaTech Fund | S&P 500® Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 32.39%
5 Years rr_AverageAnnualReturnYear05 17.94%
10 Years rr_AverageAnnualReturnYear10 7.40%
Franklin DynaTech Fund | Class A
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.47%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.22% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.94%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 665
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 857
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,065
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,663
Annual Return 2004 rr_AnnualReturn2004 7.69%
Annual Return 2005 rr_AnnualReturn2005 7.18%
Annual Return 2006 rr_AnnualReturn2006 2.64%
Annual Return 2007 rr_AnnualReturn2007 23.08%
Annual Return 2008 rr_AnnualReturn2008 (41.01%)
Annual Return 2009 rr_AnnualReturn2009 47.11%
Annual Return 2010 rr_AnnualReturn2010 18.51%
Annual Return 2011 rr_AnnualReturn2011 (2.47%)
Annual Return 2012 rr_AnnualReturn2012 15.42%
Annual Return 2013 rr_AnnualReturn2013 39.67%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.69%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (23.41%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 31.63%
5 Years rr_AverageAnnualReturnYear05 20.90%
10 Years rr_AverageAnnualReturnYear10 8.31%
Franklin DynaTech Fund | Class A | After Taxes on Distributions
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 30.37%
5 Years rr_AverageAnnualReturnYear05 20.59%
10 Years rr_AverageAnnualReturnYear10 7.99%
Franklin DynaTech Fund | Class A | After Taxes on Distributions and Sales
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 18.88%
5 Years rr_AverageAnnualReturnYear05 17.14%
10 Years rr_AverageAnnualReturnYear10 6.75%
Franklin DynaTech Fund | Class C
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00% [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.47%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.22% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.69%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 272
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 533
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 918
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,998
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 172
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 533
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 918
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,998
1 Year rr_AverageAnnualReturnYear01 37.64%
5 Years rr_AverageAnnualReturnYear05 21.43%
10 Years rr_AverageAnnualReturnYear10 8.14%
Franklin DynaTech Fund | Class R
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.47%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.22% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.19%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 121
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 378
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 654
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,443
1 Year rr_AverageAnnualReturnYear01 39.33%
5 Years rr_AverageAnnualReturnYear05 22.04%
10 Years rr_AverageAnnualReturnYear10 8.65%
Franklin DynaTech Fund | Class R6
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none [3]
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1],[3]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.47%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.05% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.52%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 53
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 167
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 291
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 653
Franklin DynaTech Fund | Advisor Class
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.47%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.22% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.69%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 70
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 221
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 384
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 859
1 Year rr_AverageAnnualReturnYear01 40.01%
5 Years rr_AverageAnnualReturnYear05 22.65%
10 Years rr_AverageAnnualReturnYear10 9.11%
Franklin Growth Fund
  
Risk/Return: rr_RiskReturnAbstract  
Objective [Heading] rr_ObjectiveHeading Investment Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock Capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock These tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $50,000 in Franklin Templeton funds. More information about these and other discounts is available from your financial professional and under “Your Account” on page 108 in the Fund's Prospectus and under “Buying and Selling Shares” on page 71 of the Fund’s Statement of Additional Information.
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 Fund 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 0.83% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 0.83%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $50,000 in Franklin Templeton funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 50,000
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 that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of the period. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. The Example reflects adjustments made to the Fund's operating expenses due to the fee waiver and/or expense reimbursement by management for the 1 Year numbers only. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If you do not sell your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal market conditions, the Fund invests substantially in the equity securities of companies that are leaders in their industries. In selecting securities, the investment manager considers many factors, including historical and potential growth in revenues and earnings, assessment of strength and quality of management, and determination of a company's strategic positioning in its industry.

Although the Fund normally invests substantially in the equity securities (principally common stocks) of U.S.-based large and medium market capitalization companies, it may invest in companies in new and emerging industries where growth is expected to be above average and may invest up to 40% of its assets in smaller companies.

The Fund's investment manager is a research driven, fundamental investor, generally pursuing a "buy-and-hold" growth strategy. As a "bottom-up" investor focusing primarily on individual securities, the investment manager chooses companies that it believes are positioned for growth in revenues, earnings or assets. Such advantages as a particular marketing niche, proven technology, sound financial records, strong management, and industry leadership are all factors the investment manager believes point to strong growth potential. Although the investment manager will search for investments across a large number of sectors, from time to time, based on economic conditions, the Fund may have significant positions in particular sectors.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal market conditions, the Fund invests substantially in the equity securities of companies that are leaders in their industries.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

You could lose money by investing in the Fund. Mutual fund shares are not deposits or obligations of, or guaranteed or endorsed by, any bank, and are not insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board, or any other agency of the U.S. government.

Market

The market values of securities owned by the Fund will go up or down, sometimes rapidly or unpredictably. A security’s market value may be reduced by market activity or other results of supply and demand unrelated to the issuer. This is a basic risk associated with all securities. When there are more sellers than buyers, prices tend to fall. Likewise, when there are more buyers than sellers, prices tend to rise.

Stock prices tend to go up and down more dramatically than those of debt securities. A slower-growth or recessionary economic environment could have an adverse effect on the prices of the various stocks held by the Fund.

Focus

To the extent that the Fund focuses on particular countries, regions, industries, sectors or types of investment from time to time, the Fund may be subject to greater risks of adverse developments in such areas of focus than a fund that invests in a wider variety of countries, regions, industries, sectors or investments.

Smaller and Midsize Companies

Securities issued by smaller and midsize companies may be more volatile in price than those of larger companies, involve substantial risks and should be considered speculative. Such risks may include greater sensitivity to economic conditions, less certain growth prospects, lack of depth of management and funds for growth and development, and limited or less developed product lines and markets. In addition, smaller and midsize companies may be particularly affected by interest rate increases, as they may find it more difficult to borrow money to continue or expand operations, or may have difficulty in repaying any loans.

Growth Style Investing

Growth stock prices reflect projections of future earnings or revenues, and can, therefore, fall dramatically if the company fails to meet those projections. Prices of these companies’ securities may be more volatile than other securities, particularly over the short term.

Management

The Fund is subject to management risk because it is an actively managed investment portfolio. The Fund's investment manager applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these decisions will produce the desired results.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at franklintempleton.com or by calling (800) DIAL BEN/342-5236.

Sales charges are not reflected in the 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 following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) DIAL BEN/342-5236
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress franklintempleton.com
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 CLASS A ANNUAL TOTAL RETURNS
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter:Q3'0917.60%
Worst Quarter:Q4'08-20.30%
Performance Table Heading rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(figures reflect sales charges)

For the periods ended December 31, 2013
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock

Performance information for Class R6 shares is not shown because this class did not have a full calendar year of operations as of the date of this prospectus.

The after-tax returns 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. After-tax returns 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 are shown only for Class A and after-tax returns for other classes will vary.
Franklin Growth Fund | S&P 500® Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 32.39%
5 Years rr_AverageAnnualReturnYear05 17.94%
10 Years rr_AverageAnnualReturnYear10 7.40%
Franklin Growth Fund | Class A
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice 5.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.21% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01% [4]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.93%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [5]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.92% [4]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 663
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 853
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,059
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,652
Annual Return 2004 rr_AnnualReturn2004 11.30%
Annual Return 2005 rr_AnnualReturn2005 8.36%
Annual Return 2006 rr_AnnualReturn2006 14.16%
Annual Return 2007 rr_AnnualReturn2007 7.13%
Annual Return 2008 rr_AnnualReturn2008 (33.39%)
Annual Return 2009 rr_AnnualReturn2009 34.25%
Annual Return 2010 rr_AnnualReturn2010 14.87%
Annual Return 2011 rr_AnnualReturn2011 0.63%
Annual Return 2012 rr_AnnualReturn2012 13.69%
Annual Return 2013 rr_AnnualReturn2013 29.39%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 17.60%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (20.30%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 21.94%
5 Years rr_AverageAnnualReturnYear05 16.56%
10 Years rr_AverageAnnualReturnYear10 7.77%
Franklin Growth Fund | Class A | After Taxes on Distributions
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 21.81%
5 Years rr_AverageAnnualReturnYear05 16.46%
10 Years rr_AverageAnnualReturnYear10 7.69%
Franklin Growth Fund | Class A | After Taxes on Distributions and Sales
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 12.53%
5 Years rr_AverageAnnualReturnYear05 13.43%
10 Years rr_AverageAnnualReturnYear10 6.34%
Franklin Growth Fund | Class C
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00% [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.21% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01% [4]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.68%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [5]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.67% [4]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 270
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 529
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 912
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,987
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 170
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 529
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 912
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,987
1 Year rr_AverageAnnualReturnYear01 27.43%
5 Years rr_AverageAnnualReturnYear05 17.07%
10 Years rr_AverageAnnualReturnYear10 7.60%
Franklin Growth Fund | Class R
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.21% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01% [4]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.18%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [5]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.17% [4]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 119
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 374
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 648
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,432
1 Year rr_AverageAnnualReturnYear01 29.08%
5 Years rr_AverageAnnualReturnYear05 17.65%
10 Years rr_AverageAnnualReturnYear10 8.14%
Franklin Growth Fund | Class R6
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none [3]
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1],[3]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.03% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01% [4]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.50%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [5]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.49% [4]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 50
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 159
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 279
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 628
Franklin Growth Fund | Advisor Class
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.21% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01% [4]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.68%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.01%) [5]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.67% [4]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 68
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 217
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 378
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 846
1 Year rr_AverageAnnualReturnYear01 29.73%
5 Years rr_AverageAnnualReturnYear05 18.25%
10 Years rr_AverageAnnualReturnYear10 8.68%
Franklin Income Fund
  
Risk/Return: rr_RiskReturnAbstract  
Objective [Heading] rr_ObjectiveHeading Investment Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock To maximize income while maintaining prospects for capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock These tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $100,000 in Franklin Templeton funds. More information about these and other discounts is available from your financial professional and under “Your Account” on page 108 in the Fund's Prospectus and under “Buying and Selling Shares” on page 71 of the Fund’s Statement of Additional Information.
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 Fund 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 37.60% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 37.60%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $100,000 in Franklin Templeton funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 100,000
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 that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of the period. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If you do not sell your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal market conditions, the Fund invests in a diversified portfolio of debt and equity securities. The Fund may shift its investments from one asset class to another based on the investment manager's analysis of the best opportunities for the Fund’s portfolio in a given market. The equity securities in which the Fund invests consist primarily of common stocks. Debt securities include all varieties of fixed, floating and variable rate instruments, including secured and unsecured bonds, bonds convertible into common stock, senior floating rate and term loans, mortgage-backed securities and other asset-backed securities, debentures, and shorter term instruments. The Fund seeks income by selecting investments such as corporate, foreign and U.S. Treasury bonds, as well as stocks with dividend yields the investment manager believes are attractive. The Fund may invest up to 100% of its total assets in debt securities that are rated below investment grade (also known as "junk bonds"), including a portion in defaulted securities. The Fund maintains the flexibility to invest in securities of companies from a variety of sectors, but from time to time, based on economic conditions, the Fund may have significant investments in particular sectors. The Fund may also invest up to 25% of its assets in foreign securities, either directly or through depositary receipts.

The Fund may invest up to 15% of its net assets in equity-linked notes, which are hybrid derivative-type instruments that are specially designed to combine the characteristics of one or more reference securities (usually a single stock, a stock index or a basket of stocks (underlying securities)) and a related equity derivative, such as a put or call option, in a single note form.

The Fund's investment manager searches for undervalued or out-of-favor securities it believes offer opportunities for income today and significant growth tomorrow. It generally performs independent analysis of the debt securities being considered for the Fund's portfolio, rather than relying principally on the ratings assigned by rating organizations. In analyzing both debt and equity securities, the investment manager considers a variety of factors, including:

a security's relative value based on such factors as anticipated cash flow, interest or dividend coverage, asset coverage, and earnings prospects;

the experience and strength of the company's management;

the company's changing financial condition and market recognition of the change;

the company's sensitivity to changes in interest rates and business conditions; and

the company's debt maturity schedules and borrowing requirements.

When choosing equity investments for the Fund, the investment manager applies a "bottom-up," value oriented, long-term approach, focusing on the market price of a company's securities relative to the investment manager's evaluation of the company's long-term earnings, asset value and cash flow potential. The investment manager also considers a company's price/earnings ratio, profit margins and liquidation value.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

You could lose money by investing in the Fund. Mutual fund shares are not deposits or obligations of, or guaranteed or endorsed by, any bank, and are not insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board, or any other agency of the U.S. government.

Market

The market values of securities owned by the Fund will go up or down, sometimes rapidly or unpredictably. A security’s market value may be reduced by market activity or other results of supply and demand unrelated to the issuer. This is a basic risk associated with all securities. When there are more sellers than buyers, prices tend to fall. Likewise, when there are more buyers than sellers, prices tend to rise.

Stock prices tend to go up and down more dramatically than those of debt securities. A slower-growth or recessionary economic environment could have an adverse effect on the prices of the various stocks held by the Fund.

High-Yield Debt Securities

Issuers of lower-rated or “high-yield” debt securities (also called “junk bonds”) are not as strong financially as those issuing higher credit quality debt securities. High-yield debt securities are generally considered predominantly speculative by the applicable rating agencies as their issuers are more likely to encounter financial difficulties and are more vulnerable to changes in the relevant economy, such as a recession or a sustained period of rising interest rates, that could affect their ability to make interest and principal payments when due. The prices of high-yield debt securities generally fluctuate more than those of higher credit quality. High-yield debt securities are generally more illiquid (harder to sell) and harder to value.

Interest Rate

When interest rates rise, debt security prices generally fall. The opposite is also generally true: debt security prices rise when interest rates fall. In general, securities with longer maturities are more sensitive to these interest rate changes.

Credit

An issuer of debt securities may fail to make interest payments and repay principal when due, in whole or in part. Changes in an issuer's financial strength or in a security's credit rating may affect a security's value.

Prepayment

Prepayment risk occurs when a debt security can be repaid in whole or in part prior to the security's maturity and the Fund must reinvest the proceeds it receives, during periods of declining interest rates, in securities that pay a lower rate of interest.

Income

Because the Fund can only distribute what it earns, the Fund's distributions to shareholders may decline when prevailing interest rates fall or when the Fund experiences defaults on debt securities it holds.

Foreign Securities

Investing in foreign securities typically involves more risks than investing in U.S. securities, including risks related to currency exchange rates and policies, country or government specific issues, less favorable trading practices or regulation and greater price volatility. Certain of these risks also may apply to securities of U.S. companies with significant foreign operations.

Focus

To the extent that the Fund focuses on particular countries, regions, industries, sectors or types of investment from time to time, the Fund may be subject to greater risks of adverse developments in such areas of focus than a fund that invests in a wider variety of countries, regions, industries, sectors or investments.

Management

The Fund is subject to management risk because it is an actively managed investment portfolio. The Fund's investment manager applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these decisions will produce the desired results.

Value Style Investing

A value stock may not increase in price as anticipated by the investment manager if other investors fail to recognize the company's value and bid up the price, the markets favor faster-growing companies, or the factors that the investment manager believes will increase the price of the security do not occur.

Equity-Linked Notes (ELNs)

Investing in investment funds may be more costly to the Fund than if the Fund had invested in the underlying securities directly. Shareholders of the Fund will indirectly bear the fees and expenses (including management and advisory fees and other expenses) of the underlying investment funds. ELNs may not perform as expected and could cause the Fund to realize significant losses including its entire principal investment. Other risks include counterparty risk, liquidity risk and imperfect correlation between ELNs and the underlying securities.

Derivative Instruments

The performance of derivative instruments depends largely on the performance of an underlying currency, security or index, and such instruments often have risks similar to their underlying instrument, in addition to other risks. Derivatives involve costs and can create economic leverage in the Fund's portfolio which may result in significant volatility and cause the Fund to participate in losses (as well as gains) in an amount that exceeds the Fund's initial investment. Other risks include illiquidity, mispricing or improper valuation of the derivative instrument, and imperfect correlation between the value of the derivative and the underlying instrument so that the Fund may not realize the intended benefits. When used for hedging, the change in value of the derivative may also not correlate specifically with the currency, security or other risk being hedged. With over-the-counter derivatives, there is the risk that the other party to the transaction will fail to perform.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at franklintempleton.com or by calling (800) DIAL BEN/342-5236.

The secondary indices in the table below show how the Fund's performance compares to a group of securities that align with a portion of the Fund's portfolio and to the returns of an index of funds with similar investment objectives as the Fund, respectively.

Sales charges are not reflected in the 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 following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) DIAL BEN/342-5236
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress franklintempleton.com
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 CLASS A ANNUAL TOTAL RETURNS
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter:Q2'0918.79%
Worst Quarter:Q3'08-15.45%
Performance Table Heading rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(figures reflect sales charges)

For the periods ended December 31, 2013
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock

Performance information for Class R6 shares is not shown because this class did not have a full calendar year of operations as of the date of this prospectus.

No one index is representative of the Fund's portfolio.

The after-tax returns 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. After-tax returns 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 are shown only for Class A and after-tax returns for other classes will vary.
Franklin Income Fund | S&P 500® Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 32.39%
5 Years rr_AverageAnnualReturnYear05 17.94%
10 Years rr_AverageAnnualReturnYear10 7.40%
Franklin Income Fund | Barclays U.S. Aggregate Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (2.02%)
5 Years rr_AverageAnnualReturnYear05 4.44%
10 Years rr_AverageAnnualReturnYear10 4.55%
Franklin Income Fund | Lipper Mixed-Asset Target Allocation Moderate Funds Classification Average
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 14.26%
5 Years rr_AverageAnnualReturnYear05 11.91%
10 Years rr_AverageAnnualReturnYear10 5.82%
Franklin Income Fund | Class A
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice 4.25%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.37%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.15%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.10% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.62%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 486
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 615
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 756
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,166
Annual Return 2004 rr_AnnualReturn2004 12.17%
Annual Return 2005 rr_AnnualReturn2005 1.85%
Annual Return 2006 rr_AnnualReturn2006 19.12%
Annual Return 2007 rr_AnnualReturn2007 5.31%
Annual Return 2008 rr_AnnualReturn2008 (30.51%)
Annual Return 2009 rr_AnnualReturn2009 35.01%
Annual Return 2010 rr_AnnualReturn2010 12.91%
Annual Return 2011 rr_AnnualReturn2011 2.83%
Annual Return 2012 rr_AnnualReturn2012 13.68%
Annual Return 2013 rr_AnnualReturn2013 14.23%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.79%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (15.45%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 9.35%
5 Years rr_AverageAnnualReturnYear05 14.33%
10 Years rr_AverageAnnualReturnYear10 6.84%
Franklin Income Fund | Class A | After Taxes on Distributions
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 7.13%
5 Years rr_AverageAnnualReturnYear05 11.91%
10 Years rr_AverageAnnualReturnYear10 4.62%
Franklin Income Fund | Class A | After Taxes on Distributions and Sales
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 5.58%
5 Years rr_AverageAnnualReturnYear05 10.52%
10 Years rr_AverageAnnualReturnYear10 4.61%
Franklin Income Fund | Class C
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00% [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.37%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.65%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.10% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.12%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 214
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 356
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 617
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,363
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 114
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 356
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 617
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,363
1 Year rr_AverageAnnualReturnYear01 13.00%
5 Years rr_AverageAnnualReturnYear05 14.78%
10 Years rr_AverageAnnualReturnYear10 6.82%
Franklin Income Fund | Class R
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.37%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.10% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.97%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 99
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 309
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 536
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,190
1 Year rr_AverageAnnualReturnYear01 14.05%
5 Years rr_AverageAnnualReturnYear05 14.96%
10 Years rr_AverageAnnualReturnYear10 6.99%
Franklin Income Fund | Class R6
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none [3]
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [3],[6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.37%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.02% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.39%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 40
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 125
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 219
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 493
Franklin Income Fund | Advisor Class
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.37%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.10% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.47%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 48
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 151
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 263
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 591
1 Year rr_AverageAnnualReturnYear01 14.50%
5 Years rr_AverageAnnualReturnYear05 15.54%
10 Years rr_AverageAnnualReturnYear10 7.52%
Franklin U.S. Government Securities Fund
  
Risk/Return: rr_RiskReturnAbstract  
Objective [Heading] rr_ObjectiveHeading Investment Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock Income.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock These tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $100,000 in Franklin Templeton funds. More information about these and other discounts is available from your financial professional and under “Your Account” on page 108 in the Fund's Prospectus and under “Buying and Selling Shares” on page 71 of the Fund’s Statement of Additional Information.
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 Fund 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 46.16% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 46.16%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $100,000 in Franklin Templeton funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 100,000
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 that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of the period. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If you do not sell your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal market conditions, the Fund invests at least 80% of its net assets in U.S. government securities. The Fund presently invests substantially all of its assets in Government National Mortgage Association obligations (Ginnie Maes). Ginnie Maes represent an ownership interest in mortgage loans pooled together for sale to investors to finance purchases of homes. The mortgage loans may have either fixed or adjustable interest rates. As the underlying mortgage loans are paid off, Ginnie Maes provide investors with monthly payments of interest and principal as well as any unscheduled prepayments on the underlying mortgage loans.

Ginnie Maes carry a guarantee as to the timely repayment of principal and interest that is backed by the full faith and credit of the U.S. government. The full faith and credit guarantee does not apply to the market prices and yields of the Ginnie Maes or to the net asset value or performance of the Fund, which will vary with changes in interest rates and other market conditions.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal market conditions, the Fund invests at least 80% of its net assets in U.S. government securities.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

You could lose money by investing in the Fund. Mutual fund shares are not deposits or obligations of, or guaranteed or endorsed by, any bank, and are not insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board, or any other agency of the U.S. government.

Interest Rate

When interest rates rise, debt security prices generally fall. The opposite is also generally true: debt security prices rise when interest rates fall. In general, securities with longer maturities are more sensitive to these interest rate changes.

Prepayment

The Fund may receive unscheduled payments of principal due to voluntary prepayments, refinancing or foreclosure on the underlying mortgage loans. To the Fund this means a loss of anticipated interest. Also, if a security has been purchased at a premium, the value of the premium would be lost in the event of prepayment. Prepayments generally increase when interest rates fall.

Ginnie Maes

Ginnie Maes differ from conventional corporate debt securities because principal is paid back monthly over the life of the security rather than at maturity. The Fund may receive unscheduled payments of principal due to voluntary prepayments, refinancing or foreclosure on the underlying mortgage loans. Because of repayments, Ginnie Maes may be less effective than some other types of securities as a means of "locking in" long-term interest rates and may have less potential for capital appreciation during periods of falling interest rates. A reduction in the anticipated rate of principal prepayments, especially during periods of rising interest rates, may increase the effective maturity of Ginnie Maes, making them more susceptible than some other debt securities to a decline in market value when interest rates rise.

Income

Because the Fund can only distribute what it earns, the Fund's distributions to shareholders may decline when prevailing interest rates fall or when the Fund experiences defaults on debt securities it holds.

Credit

U.S. government investments generally have the least credit risk but are not completely free of credit risk. Any downgrade of securities issued by the U.S. government may result in a downgrade of securities issued by its agencies or instrumentalities, including securities issued by Ginnie Mae. While securities issued by Ginnie Mae are backed by the full faith and credit of the U.S. government, guarantees of principal and interest do not apply to market prices, yields or the Fund’s share price.

Management

The Fund is subject to management risk because it is an actively managed investment portfolio. The Fund's investment manager applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these decisions will produce the desired results.

Market

The market values of securities owned by the Fund will go up or down, sometimes rapidly or unpredictably. A security’s market value may be reduced by market activity or other results of supply and demand unrelated to the issuer. This is a basic risk associated with all securities. When there are more sellers than buyers, prices tend to fall. Likewise, when there are more buyers than sellers, prices tend to rise.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at franklintempleton.com or by calling (800) DIAL BEN/342-5236.

The secondary index in the table below shows how the Fund's performance compares with the returns of an index of funds with similar investment objectives as the Fund.

Sales charges are not reflected in the 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 following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) DIAL BEN/342-5236
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress franklintempleton.com
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 CLASS A ANNUAL TOTAL RETURNS
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter:Q4'083.86%
Worst Quarter:Q2'13-2.09%
Performance Table Heading rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(figures reflect sales charges)

For the periods ended December 31, 2013
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock

Performance information for Class R6 shares is not shown because this class did not have a full calendar year of operations as of the date of this prospectus.

No one index is representative of the Fund's portfolio.

The after-tax returns 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. After-tax returns 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 are shown only for Class A and after-tax returns for other classes will vary.
Franklin U.S. Government Securities Fund | Barclays U.S. Government Index: Intermediate Component
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (1.25%)
5 Years rr_AverageAnnualReturnYear05 2.20%
10 Years rr_AverageAnnualReturnYear10 3.74%
Franklin U.S. Government Securities Fund | Lipper GNMA Funds Classification Average
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (2.80%)
5 Years rr_AverageAnnualReturnYear05 4.07%
10 Years rr_AverageAnnualReturnYear10 4.11%
Franklin U.S. Government Securities Fund | Class A
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice 4.25%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.44%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.15%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.14% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.73%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 496
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 647
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 812
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,288
Annual Return 2004 rr_AnnualReturn2004 3.80%
Annual Return 2005 rr_AnnualReturn2005 2.77%
Annual Return 2006 rr_AnnualReturn2006 3.69%
Annual Return 2007 rr_AnnualReturn2007 6.36%
Annual Return 2008 rr_AnnualReturn2008 6.88%
Annual Return 2009 rr_AnnualReturn2009 4.77%
Annual Return 2010 rr_AnnualReturn2010 6.08%
Annual Return 2011 rr_AnnualReturn2011 6.81%
Annual Return 2012 rr_AnnualReturn2012 1.53%
Annual Return 2013 rr_AnnualReturn2013 (1.68%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2008
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 3.86%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Jun. 30, 2013
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (2.09%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (5.83%)
5 Years rr_AverageAnnualReturnYear05 2.57%
10 Years rr_AverageAnnualReturnYear10 3.62%
Franklin U.S. Government Securities Fund | Class A | After Taxes on Distributions
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (7.29%)
5 Years rr_AverageAnnualReturnYear05 1.11%
10 Years rr_AverageAnnualReturnYear10 1.99%
Franklin U.S. Government Securities Fund | Class A | After Taxes on Distributions and Sales
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (3.30%)
5 Years rr_AverageAnnualReturnYear05 1.44%
10 Years rr_AverageAnnualReturnYear10 2.17%
Franklin U.S. Government Securities Fund | Class C
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00% [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.44%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.65%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.14% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.23%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 225
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 389
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 673
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,484
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 125
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 389
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 673
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,484
1 Year rr_AverageAnnualReturnYear01 (3.15%)
5 Years rr_AverageAnnualReturnYear05 2.95%
10 Years rr_AverageAnnualReturnYear10 3.54%
Franklin U.S. Government Securities Fund | Class R
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.44%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.14% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 110
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 342
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 593
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,312
1 Year rr_AverageAnnualReturnYear01 (2.03%)
5 Years rr_AverageAnnualReturnYear05 3.11%
10 Years rr_AverageAnnualReturnYear10 3.69%
Franklin U.S. Government Securities Fund | Class R6
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none [3]
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [3],[6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.44%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.02% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.46%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 47
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 148
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 258
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 579
Franklin U.S. Government Securities Fund | Advisor Class
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.44%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.14% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.58%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 59
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 185
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 322
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 721
1 Year rr_AverageAnnualReturnYear01 (1.52%)
5 Years rr_AverageAnnualReturnYear05 3.63%
10 Years rr_AverageAnnualReturnYear10 4.21%
Franklin Utilities Fund
  
Risk/Return: rr_RiskReturnAbstract  
Objective [Heading] rr_ObjectiveHeading Investment Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock Capital appreciation and current income.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock These tables describe the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $100,000 in Franklin Templeton funds. More information about these and other discounts is available from your financial professional and under “Your Account” on page 108 in the Fund's Prospectus and under “Buying and Selling Shares” on page 71 of the Fund’s Statement of Additional Information.
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 Fund 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 4.57% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 4.57%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $100,000 in Franklin Templeton funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 100,000
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 that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of the period. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If you do not sell your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal market conditions, the Fund invests at least 80% of its net assets in the securities of public utilities companies. These are companies that provide electricity, natural gas, water, and communications services to the public and companies that provide services to public utilities companies. The Fund concentrates (invests more than 25% of its total assets) in companies operating in the utilities industry. The Fund invests primarily in equity securities, which consist mainly of common stocks.

The Fund searches for the best return opportunities available in the global utilities arena with a specific focus on the U.S. electricity and gas sector. Generally, the Fund seeks to invest in companies producing a high percentage of earnings from regulated power plant operations.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal market conditions, the Fund invests at least 80% of its net assets in the securities of public utilities companies.
Risk [Heading] rr_RiskHeading Principal Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

You could lose money by investing in the Fund. Mutual fund shares are not deposits or obligations of, or guaranteed or endorsed by, any bank, and are not insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board, or any other agency of the U.S. government.

Utilities Industry

Utility company equity securities, to the extent they are purchased for their dividend yield, historically have been sensitive to interest rate movements: when interest rates have risen, the stock prices of these companies have tended to fall. In some states, utility companies and their rates are regulated; other states have moved to deregulate such companies thereby causing non-regulated companies’ returns to generally be more volatile and more sensitive to changes in revenue and earnings. Certain utilities companies face risks associated with the operation of nuclear facilities for electric generation, including, among other considerations, litigation, the problems associated with the use of radioactive materials and the effects of natural or man-made disasters. In general, all utility companies may face additional regulation and litigation regarding their power plant operations; increased costs from new or greater regulation of these operations; the need to purchase expensive emissions control equipment or new operations due to regulations; and the availability and cost of fuel, all of which may lower their earnings.

Market

The market values of securities owned by the Fund will go up or down, sometimes rapidly or unpredictably. A security’s market value may be reduced by market activity or other results of supply and demand unrelated to the issuer. This is a basic risk associated with all securities. When there are more sellers than buyers, prices tend to fall. Likewise, when there are more buyers than sellers, prices tend to rise.

Stock prices tend to go up and down more dramatically than those of debt securities. A slower-growth or recessionary economic environment could have an adverse effect on the prices of the various stocks held by the Fund.

Concentration

By focusing on an industry or a group of industries, the Fund carries much greater risks of adverse developments and price movements in such industries than a fund that invests in a wider variety of industries. Because the Fund concentrates in a specific industry or group of industries, there is also the risk that the Fund will perform poorly during a slump in demand for securities of companies in such industries.

Management

The Fund is subject to management risk because it is an actively managed investment portfolio. The Fund's investment manager applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these decisions will produce the desired results.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at franklintempleton.com or by calling (800) DIAL BEN/342-5236.

The secondary index in the table below shows how the Fund's performance compares to a group of securities that aligns more closely with the Fund's investment strategies.

Sales charges are not reflected in the 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 following 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 how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) DIAL BEN/342-5236
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress franklintempleton.com
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 CLASS A ANNUAL TOTAL RETURNS
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter:Q3'1012.21%
Worst Quarter:Q3'08-13.14%
Performance Table Heading rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
(figures reflect sales charges)

For the periods ended December 31, 2013
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock

Performance information for Class R6 shares is not shown because this class did not have a full calendar year of operations as of the date of this prospectus.

No one index is representative of the Fund's portfolio.

The after-tax returns 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. After-tax returns 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 are shown only for Class A and after-tax returns for other classes will vary.
Franklin Utilities Fund | S&P 500® Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 32.39%
5 Years rr_AverageAnnualReturnYear05 17.94%
10 Years rr_AverageAnnualReturnYear10 7.40%
Franklin Utilities Fund | S&P 500® Utilities Index
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 13.21%
5 Years rr_AverageAnnualReturnYear05 10.17%
10 Years rr_AverageAnnualReturnYear10 9.23%
Franklin Utilities Fund | Class A
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice 4.25%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.15%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.14% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.75%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 498
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 654
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 824
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,316
Annual Return 2004 rr_AnnualReturn2004 23.14%
Annual Return 2005 rr_AnnualReturn2005 10.74%
Annual Return 2006 rr_AnnualReturn2006 23.89%
Annual Return 2007 rr_AnnualReturn2007 16.42%
Annual Return 2008 rr_AnnualReturn2008 (25.60%)
Annual Return 2009 rr_AnnualReturn2009 13.82%
Annual Return 2010 rr_AnnualReturn2010 6.85%
Annual Return 2011 rr_AnnualReturn2011 19.44%
Annual Return 2012 rr_AnnualReturn2012 5.65%
Annual Return 2013 rr_AnnualReturn2013 13.71%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2010
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 12.21%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (13.14%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 8.91%
5 Years rr_AverageAnnualReturnYear05 10.81%
10 Years rr_AverageAnnualReturnYear10 9.35%
Franklin Utilities Fund | Class A | After Taxes on Distributions
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 7.98%
5 Years rr_AverageAnnualReturnYear05 10.06%
10 Years rr_AverageAnnualReturnYear10 8.52%
Franklin Utilities Fund | Class A | After Taxes on Distributions and Sales
  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 5.75%
5 Years rr_AverageAnnualReturnYear05 8.70%
10 Years rr_AverageAnnualReturnYear10 7.76%
Franklin Utilities Fund | Class C
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00% [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.65%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.14% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.25%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 227
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 397
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 686
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,511
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 127
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 397
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 686
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 1,511
1 Year rr_AverageAnnualReturnYear01 12.19%
5 Years rr_AverageAnnualReturnYear05 11.23%
10 Years rr_AverageAnnualReturnYear10 9.29%
Franklin Utilities Fund | Class R
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.14% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.10%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 112
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 350
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 606
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,340
1 Year rr_AverageAnnualReturnYear01 13.35%
5 Years rr_AverageAnnualReturnYear05 11.39%
10 Years rr_AverageAnnualReturnYear10 9.44%
Franklin Utilities Fund | Class R6
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none [3]
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [3],[6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.02% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.48%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 49
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 154
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 269
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 604
Franklin Utilities Fund | Advisor Class
  
Risk/Return: rr_RiskReturnAbstract  
Maximum Cumulative Sales Charge (as a percentage of Offering Price) rr_MaximumCumulativeSalesChargeOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.46%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.14% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.60%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 61
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 192
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 335
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 750
1 Year rr_AverageAnnualReturnYear01 13.96%
5 Years rr_AverageAnnualReturnYear05 11.95%
10 Years rr_AverageAnnualReturnYear10 10.00%
[1] There is a 1% contingent deferred sales charge that applies to investments of $1 million or more (see "Sales Charges-Class A" under "Choosing a Share Class") and purchases by certain retirement plans without an initial sales charge.
[2] Other expenses for Class R6 represent an estimate of expenses, including the effect of this Class's lower shareholder servicing fees.
[3] The Fund began offering Class R6 shares on May 1, 2013.
[4] Total annual Fund operating expenses differ from the ratio of expenses to average net assets shown in the Financial Highlights, which reflect the operating expenses of the Fund and do not include acquired fund fees and expenses.
[5] Management has contractually agreed in advance to reduce its fee as a result of the Fund's investment in a Franklin Templeton money fund (acquired fund) for at least the next 12-month period. Contractual fee waiver and/or expense reimbursement agreements may not be terminated during the term set forth above.
[6] There is a 0.75% contingent deferred sales charge that applies to investments of $1 million or more (see "Sales Charges - Class A" under "Choosing a Share Class") and purchases by certain retirement plans without an initial sales charge.