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Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
Document Type dei_DocumentType 485BPOS
Document Period End Date dei_DocumentPeriodEndDate Dec. 31, 2019
Entity Registrant Name dei_EntityRegistrantName Putnam Funds Trust
Entity Central Index Key dei_EntityCentralIndexKey 0001005942
Entity Inv Company Type dei_EntityInvCompanyType N-1A
Amendment Flag dei_AmendmentFlag false
Putnam Emerging Markets Equity Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading Fund summary
Objective [Heading] rr_ObjectiveHeading Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

Putnam Emerging Markets Equity Fund seeks long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

The following tables describe the fees and expenses you may pay if you buy, hold, and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Putnam funds. More information about these and other discounts is available from your financial professional and in How do I buy fund shares? beginning on page 15 of the fund’s prospectus, in the Appendix to the fund’s prospectus, and in How to buy shares beginning on page II-1 of the fund’s statement of additional information (SAI).
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 you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination February 28, 2022
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The fund pays transaction-related costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher turnover rate may indicate higher transaction costs and may result in higher taxes when the fund’s shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or the above example, affect fund performance. The fund’s turnover rate in the most recent fiscal year was 127%.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 127.00%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Putnam funds
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

The following hypothetical example is intended to help you compare the cost of investing in the fund with the cost of investing in other funds. It assumes that you invest $10,000 in the fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year and that the fund’s operating expenses remain the same. Only the first year of each period in the example takes into account the expense reimbursement described above. Your actual costs may be higher or lower.
Strategy [Heading] rr_StrategyHeading Investments, risks, and performance
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Investments

We invest mainly in common stocks (growth or value stocks or both) of emerging market companies of any size that we believe have favorable investment potential. For example, we may purchase stocks of companies with stock prices that reflect a value lower than that which we place on the company. We may also consider other factors that we believe will cause the stock price to rise. Under normal circumstances, we invest at least 80% of the fund’s net assets in equity securities of emerging market companies. This policy may be changed only after 60 days’ notice to shareholders.

Emerging markets include countries in the MSCI Emerging Market Index or that we consider to be emerging markets based on our evaluation of their level of economic development or the size and nature of their securities markets. We may consider, among other factors, a company’s valuation, financial strength, growth potential, competitive position in its industry, projected future earnings, cash flows and dividends when deciding whether to buy or sell investments. We may also use derivatives, such as futures, options, certain foreign currency transactions, warrants and swap contracts, for both hedging and non-hedging purposes.
Risk [Heading] rr_RiskHeading Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

It is important to understand that you can lose money by investing in the fund.

The value of investments in the fund’s portfolio may fall or fail to rise over extended periods of time for a variety of reasons, including general economic, political or financial market conditions, investor sentiment and market perceptions, government actions, geopolitical events or changes, and factors related to a specific issuer, geography, industry or sector. These and other factors may lead to increased volatility and reduced liquidity in the fund’s portfolio holdings. The novel coronavirus (COVID-19) pandemic and efforts to contain its spread are likely to negatively affect the value, volatility, and liquidity of the securities and other assets in which the fund invests and exacerbate other risks that apply to the fund. These effects could negatively impact the fund’s performance and lead to losses on your investment in the fund. From time to time, the fund may invest a significant portion of its assets in companies in one or more related industries or sectors, which would make the fund more vulnerable to adverse developments affecting those industries or sectors. Growth stocks may be more susceptible to earnings disappointments, and value stocks may fail to rebound. These risks are generally greater for small and midsize companies.



 




 

 

The value of international investments traded in foreign currencies may be adversely impacted by fluctuations in exchange rates. International investments, particularly investments in emerging markets, may carry risks associated with potentially less stable economies or governments (such as the risk of seizure by a foreign government, the imposition of currency or other restrictions, or high levels of inflation), and may be or become illiquid.

Our use of derivatives may increase the risks of investing in the fund by increasing investment exposure (which may be considered leverage) or, in the case of many over-the-counter instruments, because of the potential inability to terminate or sell derivatives positions and the potential failure of the other party to the instrument to meet its obligations.

There is no guarantee that the investment techniques, analyses, or judgements that we apply in making investment decisions for the fund will produce the intended outcome or that the investments we select for the fund will perform as well as other securities that were not selected for the fund. We, or the fund’s other service providers, may experience disruptions or operating errors that could negatively impact the fund.

The fund may not achieve its goal, and it is not intended to be a complete investment program. An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Risk Lose Money [Text] rr_RiskLoseMoney It is important to understand that you can lose money by investing in the fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The performance information below gives some indication of the risks associated with an investment in the fund by showing the fund’s performance year to year and over time. The bar chart does not reflect the impact of sales charges. If it did, performance would be lower. Please remember that past performance is not necessarily an indication of future results. Monthly performance figures for the fund are available at putnam.com.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The performance information below gives some indication of the risks associated with an investment in the fund by showing the fund’s performance year to year and over time.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress putnam.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Please remember that past performance is not necessarily an indication of future results.
Bar Chart [Heading] rr_BarChartHeading Annual total returns for class A shares before sales charges
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads The bar chart does not reflect the impact of sales charges. If it did, performance would be lower.
Performance Table Heading rr_PerformanceTableHeading Average annual total returns after sales charges (for periods ended 12/31/19)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns reflect the historical highest individual federal marginal income tax rates and do not reflect state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for class A shares only and will vary for other classes.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock

After-tax returns reflect the historical highest individual federal marginal income tax rates and do not reflect 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 shown for class A shares only and will vary for other classes. These after-tax returns do not apply if you hold your fund shares through a 401(k) plan, an IRA, or another tax-advantaged arrangement.

Class B share performance reflects conversion to class A shares after eight years.
Putnam Emerging Markets Equity Fund | MSCI Emerging Markets Index (ND) (no deduction for fees, expenses or taxes other than withholding taxes on reinvested dividends)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 18.42%
5 Years rr_AverageAnnualReturnYear05 5.61%
10 Years rr_AverageAnnualReturnYear10 3.68%
Putnam Emerging Markets Equity Fund | Class A C000066853  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther 1.00% [1]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.98% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.44% [3]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.69%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.36%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.33%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 703
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,044
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,408
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,430
Annual Return 2010 rr_AnnualReturn2010 17.67%
Annual Return 2011 rr_AnnualReturn2011 (26.41%)
Annual Return 2012 rr_AnnualReturn2012 18.78%
Annual Return 2013 rr_AnnualReturn2013 1.61%
Annual Return 2014 rr_AnnualReturn2014 (1.35%)
Annual Return 2015 rr_AnnualReturn2015 (11.21%)
Annual Return 2016 rr_AnnualReturn2016 5.78%
Annual Return 2017 rr_AnnualReturn2017 42.30%
Annual Return 2018 rr_AnnualReturn2018 (17.55%)
Annual Return 2019 rr_AnnualReturn2019 22.47%
Year to Date Return, Label rr_YearToDateReturnLabel Year-to-date performance through
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Sep. 30, 2020
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 16.89%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best calendar quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2010
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 20.17%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst calendar quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (30.06%)
1 Year rr_AverageAnnualReturnYear01 15.43%
5 Years rr_AverageAnnualReturnYear05 4.93%
10 Years rr_AverageAnnualReturnYear10 2.75%
Putnam Emerging Markets Equity Fund | Class A C000066853 | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 15.33%
5 Years rr_AverageAnnualReturnYear05 4.82%
10 Years rr_AverageAnnualReturnYear10 2.33%
Putnam Emerging Markets Equity Fund | Class A C000066853 | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 9.54%
5 Years rr_AverageAnnualReturnYear05 3.95%
10 Years rr_AverageAnnualReturnYear10 2.18%
Putnam Emerging Markets Equity Fund | Class B C000066854  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther 5.00% [5]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.98% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.44% [3]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 2.44%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.36%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 2.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 711
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,026
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,468
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,563
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 211
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 726
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,268
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,563
1 Year rr_AverageAnnualReturnYear01 16.47%
5 Years rr_AverageAnnualReturnYear05 5.06%
10 Years rr_AverageAnnualReturnYear10 2.74%
Putnam Emerging Markets Equity Fund | Class C C000066855  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther 1.00% [6]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.98% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.44% [3]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 2.44%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.36%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 2.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 311
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 726
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,268
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,749
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 211
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 726
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,268
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,749
1 Year rr_AverageAnnualReturnYear01 20.41%
5 Years rr_AverageAnnualReturnYear05 5.38%
10 Years rr_AverageAnnualReturnYear10 2.58%
Putnam Emerging Markets Equity Fund | Class R C000066857  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.98% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.44% [3]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.94%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.36%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.58%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 161
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 574
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,014
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,235
1 Year rr_AverageAnnualReturnYear01 22.10%
5 Years rr_AverageAnnualReturnYear05 5.90%
10 Years rr_AverageAnnualReturnYear10 3.09%
Putnam Emerging Markets Equity Fund | Class R6 C000203063  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.98% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.27% [3]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.27%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.36%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.91%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 93
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 368
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 664
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,507
1 Year rr_AverageAnnualReturnYear01 22.98% [7]
5 Years rr_AverageAnnualReturnYear05 6.52% [7]
10 Years rr_AverageAnnualReturnYear10 3.65% [7]
Putnam Emerging Markets Equity Fund | Class Y C000066858  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.98% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.44% [3]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.02%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.44%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.36%) [4]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 110
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 420
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 753
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,693
1 Year rr_AverageAnnualReturnYear01 22.70%
5 Years rr_AverageAnnualReturnYear05 6.45%
10 Years rr_AverageAnnualReturnYear10 3.61%
Putnam Focused Equity Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading Fund summary
Objective [Heading] rr_ObjectiveHeading Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

Putnam Focused Equity Fund seeks capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

The following tables describe the fees and expenses you may pay if you buy, hold and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Putnam funds. More information about these and other discounts is available from your financial professional and in How do I buy fund shares? beginning on page 15 of the fund’s prospectus, in the Appendix to the fund’s prospectus, and in How to buy shares beginning on page II-1 of the fund’s statement of additional information (SAI).
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 you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination 12/30/2021
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The fund pays transaction-related costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher turnover rate may indicate higher transaction costs and may result in higher taxes when the fund’s shares are held in a taxable account. These costs, which are not reflected in annual fund operating



 




 

expenses or the above example, affect fund performance. The fund’s turnover rate in the most recent fiscal year was 294%.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 294.00%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Putnam funds
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

The following hypothetical example is intended to help you compare the cost of investing in the fund with the cost of investing in other funds. It assumes that you invest $10,000 in the fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year and that the fund’s operating expenses remain the same. Only the first year of each period in the example takes into account the expense reimbursement described above. Your actual costs may be higher or lower.
Strategy [Heading] rr_StrategyHeading Investments, risks, and performance
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Investments

We invest mainly in equity securities (growth or value stocks or both) of large and midsize companies that we believe have favorable investment potential. We may consider, among other factors, a company’s valuation, financial strength, growth potential, competitive position in its industry, projected future earnings, cash flows and dividends when deciding whether to buy or sell investments. Under normal circumstances, we invest at least 80% of the fund’s net assets in equity investments, including common stocks, preferred stocks, convertible securities, warrants, American Depositary Receipts (ADRs) and Global Depositary Receipts (GDRs). This policy may be changed only after 60 days’ notice to shareholders.

The fund is “non-diversified,” which means it may invest a greater percentage of its assets in fewer issuers than a “diversified” fund. The fund expects to concentrate its investments in a limited number of issuers.
Risk [Heading] rr_RiskHeading Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

It is important to understand that you can lose money by investing in the fund.

The value of investments in the fund’s portfolio may fall or fail to rise over extended periods of time for a variety of reasons, including general economic, political or financial market conditions, investor sentiment and market perceptions, government actions, geopolitical events or changes, and factors related to a specific issuer, geography, industry or sector. These and other factors may lead to increased volatility and reduced liquidity in the fund’s portfolio holdings. The novel coronavirus (COVID-19) pandemic and efforts to contain its spread are likely to negatively affect the value, volatility, and liquidity of the securities and other assets in which the fund invests and exacerbate other risks that apply to the fund. These effects could negatively impact the fund’s performance and lead to losses on your investment in the fund. Growth stocks may be more susceptible to earnings disappointments, and value stocks may fail to rebound. The fund will be more susceptible to these risks than other funds because it concentrates its investments in a limited number of issuers or sectors, and the fund may perform poorly as a result of adverse developments affecting those issuers or sectors. These risks are generally greater for small and midsize companies.

As a non-diversified fund, the fund invests in fewer issuers and is more vulnerable than a more broadly diversified fund to fluctuations in the values of the securities it holds.

There is no guarantee that the investment techniques, analyses, or judgments that we apply in making investment decisions for the fund will produce the intended outcome or that the investments we select for the fund will perform as well as other securities that were not selected for the fund. We, or the fund’s other service providers, may experience disruptions or operating errors that could negatively impact the fund.



 




 

 

 

The fund may not achieve its goal, and it is not intended to be a complete investment program. An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Risk Lose Money [Text] rr_RiskLoseMoney It is important to understand that you can lose money by investing in the fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Risk Nondiversified Status [Text] rr_RiskNondiversifiedStatus As a non-diversified fund, the fund invests in fewer issuers and is more vulnerable than a more broadly diversified fund to fluctuations in the values of the securities it holds.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The performance information below gives some indication of the risks associated with an investment in the fund by showing the fund’s performance year to year and over time. Before June 24, 2019, the fund was managed with a materially different investment strategy and may have achieved materially different performance results under its current investment strategy from that shown for periods before this date. The bar chart does not reflect the impact of sales charges. If it did, performance would be lower. Please remember that past performance is not necessarily an indication of future results. Monthly performance figures for the fund are available at putnam.com.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The performance information below gives some indication of the risks associated with an investment in the fund by showing the fund’s performance year to year and over time.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress putnam.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Please remember that past performance is not necessarily an indication of future results.
Bar Chart [Heading] rr_BarChartHeading Annual total returns for class A shares before sales charges
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads The bar chart does not reflect the impact of sales charges. If it did, performance would be lower.
Performance Table Heading rr_PerformanceTableHeading Average annual total returns after sales charges (for periods ended 12/31/19)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns reflect the historical highest individual federal marginal income tax rates and do not reflect state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for class A shares only and will vary for other classes.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock

After-tax returns reflect the historical highest individual federal marginal income tax rates and do not reflect 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 shown for class A shares only and will vary for other classes. These after-tax returns do not apply if you hold your fund shares through a 401(k) plan, an IRA, or another tax-advantaged arrangement.

Class B share performance reflects conversion to class A shares after eight years.
Putnam Focused Equity Fund | S&P 500 Index (no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 31.49%
5 Years rr_AverageAnnualReturnYear05 11.70%
10 Years rr_AverageAnnualReturnYear10 13.56%
Putnam Focused Equity Fund | MSCI World Industrials (ND)-S&P 500 Linked Benchmark (no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 31.95% [8]
5 Years rr_AverageAnnualReturnYear05 9.32% [8]
10 Years rr_AverageAnnualReturnYear10 10.53% [8]
Putnam Focused Equity Fund | Class A C000071529  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther 1.00% [9]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [10]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.36%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.04%) [11]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.32%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 702
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 978
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,274
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,114
Annual Return 2010 rr_AnnualReturn2010 32.52%
Annual Return 2011 rr_AnnualReturn2011 (14.67%)
Annual Return 2012 rr_AnnualReturn2012 27.01%
Annual Return 2013 rr_AnnualReturn2013 40.45%
Annual Return 2014 rr_AnnualReturn2014 0.60%
Annual Return 2015 rr_AnnualReturn2015 1.67%
Annual Return 2016 rr_AnnualReturn2016 14.85%
Annual Return 2017 rr_AnnualReturn2017 27.76%
Annual Return 2018 rr_AnnualReturn2018 (13.94%)
Annual Return 2019 rr_AnnualReturn2019 29.56%
Year to Date Return, Label rr_YearToDateReturnLabel Year-to-date performance through
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Sep. 30, 2020
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 2.54%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best calendar quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2010
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 19.87%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst calendar quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (28.22%)
1 Year rr_AverageAnnualReturnYear01 22.11%
5 Years rr_AverageAnnualReturnYear05 9.41%
10 Years rr_AverageAnnualReturnYear10 12.27%
Putnam Focused Equity Fund | Class A C000071529 | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 21.50%
5 Years rr_AverageAnnualReturnYear05 8.16%
10 Years rr_AverageAnnualReturnYear10 10.32%
Putnam Focused Equity Fund | Class A C000071529 | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 13.53%
5 Years rr_AverageAnnualReturnYear05 7.10%
10 Years rr_AverageAnnualReturnYear10 9.36%
Putnam Focused Equity Fund | Class B C000071530  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther 5.00% [12]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [10]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 2.11%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.04%) [11]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 2.07%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 710
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 957
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,331
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,248
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 210
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 657
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,131
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,248
1 Year rr_AverageAnnualReturnYear01 23.57%
5 Years rr_AverageAnnualReturnYear05 9.60%
10 Years rr_AverageAnnualReturnYear10 12.28%
Putnam Focused Equity Fund | Class C C000071531  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther 1.00% [13]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [10]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 2.11%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.04%) [11]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 2.07%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 310
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 657
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,131
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,440
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 210
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 657
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,131
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,440
1 Year rr_AverageAnnualReturnYear01 27.58%
5 Years rr_AverageAnnualReturnYear05 9.88%
10 Years rr_AverageAnnualReturnYear10 12.10%
Putnam Focused Equity Fund | Class R C000071533  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [10]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.61%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.04%) [11]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.57%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 160
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 504
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 873
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,909
1 Year rr_AverageAnnualReturnYear01 29.20%
5 Years rr_AverageAnnualReturnYear05 10.44%
10 Years rr_AverageAnnualReturnYear10 12.69%
Putnam Focused Equity Fund | Class R6 C000203064  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.29% [10]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.91%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.04%) [11]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.87%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 89
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 287
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 501
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,117
1 Year rr_AverageAnnualReturnYear01 30.12% [14]
5 Years rr_AverageAnnualReturnYear05 11.04% [14]
10 Years rr_AverageAnnualReturnYear10 13.25% [14]
Putnam Focused Equity Fund | Class Y C000071534  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [10]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.11%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.04%) [11]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.07%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 109
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 349
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 608
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,349
1 Year rr_AverageAnnualReturnYear01 29.80%
5 Years rr_AverageAnnualReturnYear05 10.98%
10 Years rr_AverageAnnualReturnYear10 13.22%
Putnam Global Technology Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading Fund summary
Objective [Heading] rr_ObjectiveHeading Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

Putnam Global Technology Fund seeks capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

The following tables describe the fees and expenses you may pay if you buy and hold shares of the fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Putnam funds. More information about these and other discounts is available from your financial professional and in How do I buy fund shares? beginning on page 16 of the fund’s prospectus, in the Appendix to the fund’s prospectus, and in How to buy shares beginning on page II-1 of the fund’s statement of additional information (SAI).
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 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-related costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher turnover rate may indicate higher transaction costs and may result in higher taxes when the fund’s shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or the above example, affect fund performance. The fund’s turnover rate in the most recent fiscal year was 90%.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 90.00%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in Putnam funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

The following hypothetical example is intended to help you compare the cost of investing in the fund with the cost of investing in other funds. It assumes that you invest $10,000 in the fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year and that the fund’s operating expenses remain the same. Your actual costs may be higher or lower.
Strategy [Heading] rr_StrategyHeading Investments, risks, and performance
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Investments

For this non-diversified fund concentrating in the technology industries, we invest mainly in common stocks (growth or value stocks or both) of large and midsize companies worldwide that we believe have favorable investment potential. Under normal circumstances, we invest at least 80% of the fund’s net assets in securities of companies in the technology industries. This policy may be changed only



 




 

after 60 days’ notice to shareholders. Potential investments include companies that have, or will develop, products, processes or services that will provide advances and improvements through technology to consumers, enterprises and governments worldwide.

We may purchase stocks of companies with stock prices that reflect a value lower than that which we place on the company. We may also consider other factors that we believe will cause the stock price to rise. We may consider, among other factors, a company’s valuation, financial strength, growth potential, competitive position in its industry, projected future earnings, cash flows and dividends when deciding whether to buy or sell investments. We may also use derivatives, such as futures, options, certain foreign currency transactions, warrants and swap contracts, for both hedging and non-hedging purposes, and may engage in short sales of securities.

The use of the term “global” in the fund’s name is meant to emphasize that we look for investment opportunities on a worldwide basis and that our investment strategies are not constrained by the countries or regions in which companies are located. Under normal market conditions, the fund intends to invest in at least five different countries and at least 40% of its net assets in securities of foreign companies (or, if less, at least the percentage of net assets that is ten percentage points less than the percentage of the fund’s benchmark represented by foreign companies, as determined by the providers of the benchmark).
Risk [Heading] rr_RiskHeading Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

It is important to understand that you can lose money by investing in the fund.

The value of investments in the fund’s portfolio may fall or fail to rise over extended periods of time for a variety of reasons, including general economic, political or financial market conditions, investor sentiment and market perceptions, government actions, geopolitical events or changes, and factors related to a specific issuer, geography, industry or sector. These and other factors may lead to increased volatility and reduced liquidity in the fund’s portfolio holdings. The novel coronavirus (COVID-19) pandemic and efforts to contain its spread are likely to negatively affect the value, volatility, and liquidity of the securities and other assets in which the fund invests and exacerbate other risks that apply to the fund. These effects could negatively impact the fund’s performance and lead to losses on your investment in the fund. Growth stocks may be more susceptible to earnings disappointments, and value stocks may fail to rebound. These risks are generally greater for small and midsize companies. The technology industries may be affected by technological obsolescence, short product cycles, falling prices and profits, competitive pressures and general market conditions. Our policy of concentrating on a limited group of industries and the fund’s “non-diversified” status, which means the fund may invest a greater percentage of its assets in fewer issuers than a “diversified fund,” can increase the fund’s vulnerability to adverse developments affecting a single industry or issuer, which may result in greater losses and volatility for the fund. The value of international investments traded in foreign currencies may be adversely impacted by fluctuations in exchange



 




 

 

rates. International investments, particularly investments in emerging markets, may carry risks associated with potentially less stable economies or governments (such as the risk of seizure by a foreign government, the imposition of currency or other restrictions, or high levels of inflation), and may be or become illiquid. Our use of derivatives may increase the risks of investing in the fund by increasing investment exposure (which may be considered leverage) or, in the case of many over-the-counter instruments, because of the potential inability to terminate or sell derivatives positions and the potential failure of the other party to the instrument to meet its obligations. Our use of short selling may result in losses if the securities appreciate in value.

There is no guarantee that the investment techniques, analyses, or judgments that we apply in making investment decisions for the fund will produce the intended outcome or that the investments we select for the fund will perform as well as other securities that were not selected for the fund. We, or the fund’s other service providers, may experience disruptions or operating errors that could negatively impact the fund.

The fund may not achieve its goal, and it is not intended to be a complete investment program. An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Risk Lose Money [Text] rr_RiskLoseMoney It is important to understand that you can lose money by investing in the fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Risk Nondiversified Status [Text] rr_RiskNondiversifiedStatus Our policy of concentrating on a limited group of industries and the fund’s “non-diversified” status, which means the fund may invest a greater percentage of its assets in fewer issuers than a “diversified fund,” can increase the fund’s vulnerability to adverse developments affecting a single industry or issuer, which may result in greater losses and volatility for the fund.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The performance information below gives some indication of the risks associated with an investment in the fund by showing the fund’s performance year to year and over time. The bar chart does not reflect the impact of sales charges. If it did, performance would be lower. Please remember that past performance is not necessarily an indication of future results. Monthly performance figures for the fund are available at putnam.com.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The performance information below gives some indication of the risks associated with an investment in the fund by showing the fund’s performance year to year and over time.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress putnam.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Please remember that past performance is not necessarily an indication of future results.
Bar Chart [Heading] rr_BarChartHeading Annual total returns for class A shares before sales charges
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads The bar chart does not reflect the impact of sales charges. If it did, performance would be lower.
Performance Table Heading rr_PerformanceTableHeading Average annual total returns after sales charges (for periods ended 12/31/19)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns reflect the historical highest individual federal marginal income tax rates and do not reflect state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for class A shares only and will vary for other classes.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock

After-tax returns reflect the historical highest individual federal marginal income tax rates and do not reflect 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 shown for class A shares only and will vary for other classes. These after-tax returns do not apply if you hold your fund shares through a 401(k) plan, an IRA, or another tax-advantaged arrangement.
Putnam Global Technology Fund | MSCI World Information Technology Index (ND) (no deduction for fees, expenses or taxes other than withholding taxes on reinvested dividends)  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 47.55%
5 Years rr_AverageAnnualReturnYear05 18.33%
10 Years rr_AverageAnnualReturnYear10 15.52%
Putnam Global Technology Fund | Class A C000071535  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther 1.00% [15]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.23%
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.10%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 681
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 905
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,146
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,838
Annual Return 2010 rr_AnnualReturn2010 10.51%
Annual Return 2011 rr_AnnualReturn2011 (5.95%)
Annual Return 2012 rr_AnnualReturn2012 13.12%
Annual Return 2013 rr_AnnualReturn2013 24.27%
Annual Return 2014 rr_AnnualReturn2014 13.51%
Annual Return 2015 rr_AnnualReturn2015 10.64%
Annual Return 2016 rr_AnnualReturn2016 12.29%
Annual Return 2017 rr_AnnualReturn2017 46.69%
Annual Return 2018 rr_AnnualReturn2018 (6.70%)
Annual Return 2019 rr_AnnualReturn2019 47.20%
Year to Date Return, Label rr_YearToDateReturnLabel Year-to-date performance through
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Sep. 30, 2020
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 40.81%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best calendar quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 20.11%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst calendar quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2018
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (19.72%)
1 Year rr_AverageAnnualReturnYear01 38.74%
5 Years rr_AverageAnnualReturnYear05 18.73%
10 Years rr_AverageAnnualReturnYear10 14.62%
Putnam Global Technology Fund | Class A C000071535 | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 37.94%
5 Years rr_AverageAnnualReturnYear05 17.02%
10 Years rr_AverageAnnualReturnYear10 13.49%
Putnam Global Technology Fund | Class A C000071535 | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
1 Year rr_AverageAnnualReturnYear01 23.51%
5 Years rr_AverageAnnualReturnYear05 14.49%
10 Years rr_AverageAnnualReturnYear10 11.83%
Putnam Global Technology Fund | Class C C000071537  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther 1.00% [16]
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.23%
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.85%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 288
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 582
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,001
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,169
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 188
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 582
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,001
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,169
1 Year rr_AverageAnnualReturnYear01 45.06%
5 Years rr_AverageAnnualReturnYear05 19.25%
10 Years rr_AverageAnnualReturnYear10 14.43%
Putnam Global Technology Fund | Class R C000071539  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.23%
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 1.35%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 137
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 428
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 739
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,624
1 Year rr_AverageAnnualReturnYear01 46.80%
5 Years rr_AverageAnnualReturnYear05 19.83%
10 Years rr_AverageAnnualReturnYear10 15.00%
Putnam Global Technology Fund | Class R6 C000203065  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.12%
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.74%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 76
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 237
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 411
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 918
1 Year rr_AverageAnnualReturnYear01 47.75% [17]
5 Years rr_AverageAnnualReturnYear05 20.49% [17]
10 Years rr_AverageAnnualReturnYear10 15.60% [17]
Putnam Global Technology Fund | Class Y C000071540  
Prospectus [Line Items] rr_ProspectusLineItems  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage) rr_MaximumDeferredSalesChargeOverOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.62%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.23%
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.85%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 87
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 271
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 471
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,049
1 Year rr_AverageAnnualReturnYear01 47.50%
5 Years rr_AverageAnnualReturnYear05 20.43%
10 Years rr_AverageAnnualReturnYear10 15.58%
[1] Applies only to certain redemptions of shares bought with no initial sales charge.
[2] Management fees are subject to a performance adjustment. The fund’s base management fee is subject to adjustment, up or down, based on the fund’s performance relative to the performance of the MSCI Emerging Markets Index (ND). For the most recent fiscal year, the fund’s management fee prior to any performance adjustment was 0.91%.
[3] Restated to reflect current fees.
[4] Reflects Putnam Investment Management, LLC’s contractual obligation to limit certain fund expenses through February 28, 2022. This obligation may be modified or discontinued only with approval of the Board of Trustees.
[5] This charge is phased out over six years.
[6] This charge is eliminated after one year.
[7] Performance for class R6 shares prior to their inception (5/22/18) is derived from the historical performance of class Y shares and has not been adjusted for the lower investor servicing fees applicable to class R6 shares; had it, returns would have been higher.
[8] The MSCI World Industrials (ND)-S&P 500 Linked Benchmark represents performance of the MSCI World Industrials Index (ND) from the inception date of the fund, December 18, 2008, through June 23, 2019 and performance of the S&P 500 Index from June 24, 2019 forward.
[9] Applies only to certain redemptions of shares bought with no initial sales charge.
[10] Restated to reflect current fees.
[11] Reflects Putnam Investment Management, LLC’s contractual obligation to limit certain fund expenses through 12/30/2021. This obligation may be modified or discontinued only with approval of the Board of Trustees.
[12] This charge is phased out over six years.
[13] This charge is eliminated after one year.
[14] Performance for class R6 shares prior to their inception (5/22/18) is derived from the historical performance of class Y shares and has not been adjusted for the lower investor servicing fees applicable to class R6 shares; had it, returns would have been higher.
[15] Applies only to certain redemptions of shares bought with no initial sales charge.
[16] This charge is eliminated after one year.
[17] Performance for class R6 shares prior to their inception (5/22/18) is derived from the historical performance of class Y shares and has not been adjusted for the lower investor servicing fees applicable to class R6 shares; had it, returns would have been higher.