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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Nov. 30, 2016
Registrant Name dei_EntityRegistrantName PUTNAM FUNDS TRUST
Central Index Key dei_EntityCentralIndexKey 0001005942
Amendment Flag dei_AmendmentFlag false
Trading Symbol dei_TradingSymbol PFT
Document Creation Date dei_DocumentCreationDate Aug. 01, 2016
Document Effective Date dei_DocumentEffectiveDate Sep. 01, 2016
Prospectus Date rr_ProspectusDate Oct. 30, 2015
Putnam Absolute Return 700 Fund  
Risk/Return: rr_RiskReturnAbstract  
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual fund operating expenses
(expenses you pay each year as a percentage of the value of your investment)
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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.
Putnam Absolute Return 700 Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.81% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.23% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 1.30%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 700
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 963
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,247
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,053
Putnam Absolute Return 700 Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.81% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.23% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 2.05%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 708
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 943
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,303
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,187
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 208
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 643
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,103
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,187
Putnam Absolute Return 700 Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.81% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.23% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 2.05%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 308
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 643
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,103
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,379
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 208
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 643
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,103
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,379
Putnam Absolute Return 700 Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.81% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 0.23% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 1.80%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 526
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 897
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,291
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,392
Putnam Absolute Return 700 Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.81% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.23% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 1.55%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 158
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 490
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 845
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,845
Putnam Absolute Return 700 Fund | Class R6  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.81% [1]
Other expenses rr_OtherExpensesOverAssets 0.12%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 0.94%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 96
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 300
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 520
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,155
Putnam Absolute Return 700 Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.81% [1]
Other expenses rr_OtherExpensesOverAssets 0.23% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 1.05%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 107
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 334
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 579
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,283
Putnam Emerging Markets Equity Fund  
Risk/Return: rr_RiskReturnAbstract  
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 12-30-2016
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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.
Putnam Emerging Markets Equity Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.96% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.87% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 2.09%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.42%) [3]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.67%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 735
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,154
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,598
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,826
Putnam Emerging Markets Equity Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.96% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.87% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 2.84%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.42%) [3]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.42%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 745
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,141
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,662
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,958
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 245
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 841
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,462
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,958
Putnam Emerging Markets Equity Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.96% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.87% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 2.84%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.42%) [3]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.42%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 345
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 841
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,462
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 3,137
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 245
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 841
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,462
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 3,137
Putnam Emerging Markets Equity Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.96% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 0.87% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 2.59%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.42%) [3]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.17%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 562
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,089
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,641
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 3,143
Putnam Emerging Markets Equity Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.96% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.87% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 2.34%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.42%) [3]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.92%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 195
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 691
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,213
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,645
Putnam Emerging Markets Equity Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.96% [1]
Other expenses rr_OtherExpensesOverAssets 0.87% [2]
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total annual fund operating expenses rr_ExpensesOverAssets 1.84%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.42%) [3]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.42%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 145
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 538
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 957
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,125
Putnam Global Consumer Fund  
Risk/Return: rr_RiskReturnAbstract  
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 12-30-2016
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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.
Putnam Global Consumer Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.88% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.75%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.46%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.29%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 699
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,052
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,429
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,483
Putnam Global Consumer Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.88% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.50%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.46%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.04%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 707
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,035
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,489
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,616
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 207
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 735
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,289
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,616
Putnam Global Consumer Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.88% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.50%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.46%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.04%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 307
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 735
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,289
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,801
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 207
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 735
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,289
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,801
Putnam Global Consumer Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 0.88% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.25%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.46%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.79%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 526
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 986
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,472
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,810
Putnam Global Consumer Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.88% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.00%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.46%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.54%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 157
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 583
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,035
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,290
Putnam Global Consumer Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Other expenses rr_OtherExpensesOverAssets 0.88% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.50%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.46%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.04%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 106
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 429
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 775
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,751
Putnam Global Energy Fund  
Risk/Return: rr_RiskReturnAbstract  
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 12-30-2016
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.
Putnam Global Energy Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.85% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.72%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.39%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.33%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 703
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,050
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,420
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,458
Putnam Global Energy Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.85% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.47%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.39%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 711
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,032
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,480
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,591
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 211
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 732
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,280
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,591
Putnam Global Energy Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.85% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.47%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.39%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 311
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 732
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,280
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,777
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 211
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 732
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,280
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,777
Putnam Global Energy Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 0.85% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.22%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.39%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.83%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 529
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 984
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,464
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,786
Putnam Global Energy Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.85% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.97%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.39%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.58%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 161
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 581
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,026
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,264
Putnam Global Energy Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Other expenses rr_OtherExpensesOverAssets 0.85% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.47%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.39%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 110
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 427
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 766
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,724
Putnam Global Financial Fund  
Risk/Return: rr_RiskReturnAbstract  
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 12-30-2016
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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.
Putnam Global Financial Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 1.44% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.31%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.00%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.31%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 701
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,164
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,653
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,996
Putnam Global Financial Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 1.44% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 3.06%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.00%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.06%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 709
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,151
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,719
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 3,128
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 209
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 851
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,519
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 3,128
Putnam Global Financial Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 1.44% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 3.06%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.00%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.06%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 309
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 851
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,519
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 3,304
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 209
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 851
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,519
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 3,304
Putnam Global Financial Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 1.44% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.81%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.00%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.81%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 527
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,099
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,697
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 3,308
Putnam Global Financial Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 1.44% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.56%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.00%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.56%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 159
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 701
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,271
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,820
Putnam Global Financial Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Other expenses rr_OtherExpensesOverAssets 1.44% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.06%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (1.00%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.06%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 108
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 549
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,016
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,310
Putnam Global Industrial Fund  
Risk/Return: rr_RiskReturnAbstract  
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 12-30-2016
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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 examples takes into account the expense reimbursement described above. Your actual costs may be higher or lower.
Putnam Global Industrial Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 1.16% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.03%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.70%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.33%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 703
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,111
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,544
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,745
Putnam Global Industrial Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 1.16% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.78%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.70%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 711
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,096
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,607
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,878
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 211
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 796
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,407
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,878
Putnam Global Industrial Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 1.16% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.78%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.70%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 311
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 796
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,407
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 3,058
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 211
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 796
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,407
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 3,058
Putnam Global Industrial Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 1.16% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.53%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.70%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.83%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 529
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,046
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,588
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 3,065
Putnam Global Industrial Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 1.16% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.28%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.70%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.58%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 161
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 645
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,156
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,561
Putnam Global Industrial Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Other expenses rr_OtherExpensesOverAssets 1.16% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.78%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.70%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.08%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 110
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 492
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 899
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,037
Putnam Global Technology Fund  
Risk/Return: rr_RiskReturnAbstract  
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 12-30-2016
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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.
Putnam Global Technology Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.92% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.79%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.48%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.31%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 701
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,062
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,447
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,522
Putnam Global Technology Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.92% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.54%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.48%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.06%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 709
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,045
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,507
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,655
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 209
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 745
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,307
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,655
Putnam Global Technology Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.92% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.54%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.48%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.06%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 309
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 745
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,307
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,840
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 209
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 745
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,307
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,840
Putnam Global Technology Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 0.92% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.29%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.48%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.81%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 527
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 996
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,490
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,848
Putnam Global Technology Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.92% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.04%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.48%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.56%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 159
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 593
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,054
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,331
Putnam Global Technology Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Other expenses rr_OtherExpensesOverAssets 0.92% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.54%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.48%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.06%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 108
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 439
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 794
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,794
Putnam Global Telecommunication Fund  
Risk/Return: rr_RiskReturnAbstract  
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 12-30-2016
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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.
Putnam Global Telecommunication Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.96% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.83%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.53%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.30%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 700
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,069
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,462
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,558
Putnam Global Telecommunication Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.96% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.58%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.53%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.05%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 708
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,052
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,523
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,692
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 208
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 752
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,323
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,692
Putnam Global Telecommunication Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.96% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.58%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.53%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 2.05%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 308
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 752
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,323
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,875
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 208
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 752
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,323
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,875
Putnam Global Telecommunication Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 0.96% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.33%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.53%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.80%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 526
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 1,003
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,505
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,883
Putnam Global Telecommunication Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.96% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.08%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.53%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.55%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 158
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 601
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,070
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,368
Putnam Global Telecommunication Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.62%
Other expenses rr_OtherExpensesOverAssets 0.96% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.58%
Expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.53%) [4]
Total annual fund operating expenses after expense reimbursement rr_NetExpensesOverAssets 1.05%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 107
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 447
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 810
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,833
Putnam International Value Fund  
Risk/Return: rr_RiskReturnAbstract  
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual fund operating expenses
(expenses you pay each year as a percentage of the value of your investment)
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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.
Putnam International Value Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.42% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.32%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 702
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 969
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,257
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,074
Putnam International Value Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.42% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.07%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 710
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 949
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,314
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,208
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 210
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 649
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,114
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,208
Putnam International Value Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.42% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.07%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 310
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 649
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,114
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,400
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 210
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 649
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,114
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,400
Putnam International Value Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 0.42% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.82%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 528
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 902
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,301
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,412
Putnam International Value Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.42% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.57%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 160
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 496
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 855
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,867
Putnam International Value Fund | Class R6  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Other expenses rr_OtherExpensesOverAssets 0.21%
Total annual fund operating expenses rr_ExpensesOverAssets 0.86%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 88
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 274
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 477
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,061
Putnam International Value Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.65%
Other expenses rr_OtherExpensesOverAssets 0.42% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.07%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 109
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 340
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 590
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,306
Putnam Small Cap Growth Fund  
Risk/Return: rr_RiskReturnAbstract  
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual fund operating expenses
(expenses you pay each year as a percentage of the value of your investment)
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent

Restated to reflect current fees resulting from a change to the fund’s investor servicing arrangements effective September 1, 2016.
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.
Putnam Small Cap Growth Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.61% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.39% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.25%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 695
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 949
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,222
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,999
Putnam Small Cap Growth Fund | Class B  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.61% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.39% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.00%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 703
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 927
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,278
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,134
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 203
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 627
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,078
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,134
Putnam Small Cap Growth Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.61% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.39% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 2.00%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 303
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 627
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,078
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,327
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 203
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 627
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,078
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,327
Putnam Small Cap Growth Fund | Class M  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.61% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 0.39% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.75%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 522
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 882
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,266
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 2,340
Putnam Small Cap Growth Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.61% [1]
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.39% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.50%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 153
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 474
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 818
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,791
Putnam Small Cap Growth Fund | Class R6  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.61% [1]
Other expenses rr_OtherExpensesOverAssets 0.20% [5]
Total annual fund operating expenses rr_ExpensesOverAssets 0.81%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 83
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 259
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 450
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,002
Putnam Small Cap Growth Fund | Class Y  
Risk/Return: rr_RiskReturnAbstract  
Management fees rr_ManagementFeesOverAssets 0.61% [1]
Other expenses rr_OtherExpensesOverAssets 0.39% [2]
Total annual fund operating expenses rr_ExpensesOverAssets 1.00%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 102
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 318
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 552
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,225
[1] Management fees are subject to a performance adjustment.
[2] Restated to reflect current fees resulting from a change to the fund's investor servicing arrangements effective September 1, 2016.
[3] Reflects Putnam Investment Management, LLC's contractual obligation to limit certain fund expenses through December 30, 2016. This obligation may be modified or discontinued only with approval of the Board of Trustees.
[4] Reflects Putnam Investment Management, LLC's contractual obligation to limit certain fund expenses through 12/30/2016. This obligation may be modified or discontinued only with approval of the Board of Trustees.
[5] Other expenses are based on expenses of Class Y shares for the fund's last fiscal year, adjusted to reflect the lower investor servicing fees applicable to Class R6 shares.