v3.26.1
Shareholder Report
6 Months Ended
Feb. 28, 2026
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Putnam Funds Trust
Entity Central Index Key 0001005942
Entity Investment Company Type N-1A
Document Period End Date Feb. 28, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Focused Equity Fund
Class Name Class A
Trading Symbol PGIAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Focused Equity Fund for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A
$53
1.04%
[1]
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.04%
Net Assets $ 715,958,546
Holdings Count | $ / shares 44
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$715,958,546
Total Number of Portfolio Holdings (excludes derivatives, except purchased options, if any)
44
Portfolio Turnover Rate
19%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
[2]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Focused Equity Fund
Class Name Class C
Trading Symbol PGIEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Focused Equity Fund for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C
$92
1.79%
[3]
Expenses Paid, Amount $ 92
Expense Ratio, Percent 1.79%
Net Assets $ 715,958,546
Holdings Count | $ / shares 44
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$715,958,546
Total Number of Portfolio Holdings (excludes derivatives, except purchased options, if any)
44
Portfolio Turnover Rate
19%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
[4]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Focused Equity Fund
Class Name Class R
Trading Symbol PGIOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Focused Equity Fund for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R
$66
1.29%
[5]
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.29%
Net Assets $ 715,958,546
Holdings Count | $ / shares 44
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$715,958,546
Total Number of Portfolio Holdings (excludes derivatives, except purchased options, if any)
44
Portfolio Turnover Rate
19%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
[6]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Focused Equity Fund
Class Name Class R6
Trading Symbol PGWTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Focused Equity Fund for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R6
$36
0.70%
[7]
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.70%
Net Assets $ 715,958,546
Holdings Count | $ / shares 44
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$715,958,546
Total Number of Portfolio Holdings (excludes derivatives, except purchased options, if any)
44
Portfolio Turnover Rate
19%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
[8]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Focused Equity Fund
Class Name Class Y
Trading Symbol PGILX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Focused Equity Fund for the period September 1, 2025, to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class Y
$41
0.79%
[9]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Net Assets $ 715,958,546
Holdings Count | $ / shares 44
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$715,958,546
Total Number of Portfolio Holdings (excludes derivatives, except purchased options, if any)
44
Portfolio Turnover Rate
19%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
[10]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
[1]
Annualized.
[2]
* Does not include derivatives, except purchased options, if any.  
[3]
Annualized.
[4]
* Does not include derivatives, except purchased options, if any.  
[5]
Annualized.
[6]
* Does not include derivatives, except purchased options, if any.  
[7]
Annualized.
[8]
* Does not include derivatives, except purchased options, if any.  
[9]
Annualized.
[10]
* Does not include derivatives, except purchased options, if any.