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 Target Date Funds
Entity Central Index Key 0001295293
Entity Investment Company Type N-1A
Document Period End Date Feb. 28, 2026
Shareholder Report Annual or Semi-Annual annual shareholder report
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage Maturity Fund
Class Name Class A
Trading Symbol POMGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage Maturity 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 A1
$17
0.33%
[1],[2],[3]
Expenses Paid, Amount $ 17 [1]
Expense Ratio, Percent 0.33% [1]
Net Assets $ 44,771,116
Holdings Count | $ / shares 2
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$44,771,116
Total Number of Portfolio Holdings
2
Portfolio Turnover Rate
8%
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 C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage Maturity Fund
Class Name Class C
Trading Symbol PLFGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage Maturity 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 C1
$55
1.07%
[5],[6],[7]
Expenses Paid, Amount $ 55 [5]
Expense Ratio, Percent 1.07% [5]
Net Assets $ 44,771,116
Holdings Count | $ / shares 2
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$44,771,116
Total Number of Portfolio Holdings
2
Portfolio Turnover Rate
8%
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 R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage Maturity Fund
Class Name Class R
Trading Symbol PAKYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage Maturity 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 R1
$37
0.72%
[9],[10],[11]
Expenses Paid, Amount $ 37 [9]
Expense Ratio, Percent 0.72% [9]
Net Assets $ 44,771,116
Holdings Count | $ / shares 2
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$44,771,116
Total Number of Portfolio Holdings
2
Portfolio Turnover Rate
8%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [12]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage Maturity Fund
Class Name Class R3
Trading Symbol PAHMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage Maturity 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 R31
$23
0.45%
[13],[14],[15]
Expenses Paid, Amount $ 23 [13]
Expense Ratio, Percent 0.45% [13]
Net Assets $ 44,771,116
Holdings Count | $ / shares 2
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$44,771,116
Total Number of Portfolio Holdings
2
Portfolio Turnover Rate
8%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [16]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage Maturity Fund
Class Name Class R4
Trading Symbol PAHNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage Maturity 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 R41
$12
0.23%
[17],[18],[19]
Expenses Paid, Amount $ 12 [17]
Expense Ratio, Percent 0.23% [17]
Net Assets $ 44,771,116
Holdings Count | $ / shares 2
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$44,771,116
Total Number of Portfolio Holdings
2
Portfolio Turnover Rate
8%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [20]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage Maturity Fund
Class Name Class R5
Trading Symbol PAHOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage Maturity 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 R51
$4
0.08%
[21],[22],[23]
Expenses Paid, Amount $ 4 [21]
Expense Ratio, Percent 0.08% [21]
Net Assets $ 44,771,116
Holdings Count | $ / shares 2
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$44,771,116
Total Number of Portfolio Holdings
2
Portfolio Turnover Rate
8%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [24]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage Maturity Fund
Class Name Class R6
Trading Symbol PADLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage Maturity 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 R61
$(1)
-0.02%
[25],[26],[27]
Expenses Paid, Amount $ (1)
Expense Ratio, Percent (0.02%) [25]
Net Assets $ 44,771,116
Holdings Count | $ / shares 2
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$44,771,116
Total Number of Portfolio Holdings
2
Portfolio Turnover Rate
8%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [28]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage Maturity Fund
Class Name Class Y
Trading Symbol PAETX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage Maturity 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 Y1
$4
0.08%
[29],[30],[31]
Expenses Paid, Amount $ 4 [29]
Expense Ratio, Percent 0.08% [29]
Net Assets $ 44,771,116
Holdings Count | $ / shares 2
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$44,771,116
Total Number of Portfolio Holdings
2
Portfolio Turnover Rate
8%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [32]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2030 Fund
Class Name Class A
Trading Symbol PDLTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2030 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 A1
$14
0.27%
[33],[34],[35]
Expenses Paid, Amount $ 14 [33]
Expense Ratio, Percent 0.27% [33]
Net Assets $ 46,994,801
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$46,994,801
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
20%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [36]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2030 Fund
Class Name Class C
Trading Symbol PDLKX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2030 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 C1
$52
1.03%
[37],[38],[39]
Expenses Paid, Amount $ 52 [37]
Expense Ratio, Percent 1.03% [37]
Net Assets $ 46,994,801
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$46,994,801
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
20%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [40]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2030 Fund
Class Name Class R
Trading Symbol PDKAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2030 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 R1
$34
0.66%
[41],[42],[43]
Expenses Paid, Amount $ 34 [41]
Expense Ratio, Percent 0.66% [41]
Net Assets $ 46,994,801
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$46,994,801
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
20%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [44]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2030 Fund
Class Name Class R3
Trading Symbol PAFOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2030 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 R31
$21
0.41%
[45],[46],[47]
Expenses Paid, Amount $ 21 [45]
Expense Ratio, Percent 0.41% [45]
Net Assets $ 46,994,801
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$46,994,801
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
20%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [48]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2030 Fund
Class Name Class R4
Trading Symbol PAFQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2030 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 R41
$8
0.16%
[49],[50],[51]
Expenses Paid, Amount $ 8 [49]
Expense Ratio, Percent 0.16% [49]
Net Assets $ 46,994,801
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$46,994,801
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
20%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [52]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2030 Fund
Class Name Class R5
Trading Symbol PAFVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2030 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 R51
$1
0.02%
[53],[54],[55]
Expenses Paid, Amount $ 1 [53]
Expense Ratio, Percent 0.02% [53]
Net Assets $ 46,994,801
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$46,994,801
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
20%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [56]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2030 Fund
Class Name Class R6
Trading Symbol PDIZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2030 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 R61
$(4)
-0.08%
[57],[58],[59]
Expenses Paid, Amount $ (4)
Expense Ratio, Percent (0.08%) [57]
Net Assets $ 46,994,801
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$46,994,801
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
20%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [60]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2030 Fund
Class Name Class Y
Trading Symbol PDGKX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2030 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 Y1
$1
0.02%
[61],[62],[63]
Expenses Paid, Amount $ 1 [61]
Expense Ratio, Percent 0.02% [61]
Net Assets $ 46,994,801
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 20.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$46,994,801
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
20%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [64]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2035 Fund
Class Name Class A
Trading Symbol PDFLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2035 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 A1
$14
0.28%
[65],[66],[67]
Expenses Paid, Amount $ 14 [65]
Expense Ratio, Percent 0.28% [65]
Net Assets $ 52,979,950
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$52,979,950
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [68]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2035 Fund
Class Name Class C
Trading Symbol PDAWX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2035 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 C1
$53
1.03%
[69],[70],[71]
Expenses Paid, Amount $ 53 [69]
Expense Ratio, Percent 1.03% [69]
Net Assets $ 52,979,950
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$52,979,950
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [72]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2035 Fund
Class Name Class R
Trading Symbol PDAKX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2035 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 R1
$35
0.68%
[73],[74],[75]
Expenses Paid, Amount $ 35 [73]
Expense Ratio, Percent 0.68% [73]
Net Assets $ 52,979,950
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$52,979,950
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [76]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2035 Fund
Class Name Class R3
Trading Symbol PAFWX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2035 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 R31
$22
0.43%
[77],[78],[79]
Expenses Paid, Amount $ 22 [77]
Expense Ratio, Percent 0.43% [77]
Net Assets $ 52,979,950
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$52,979,950
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [80]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2035 Fund
Class Name Class R4
Trading Symbol PAFUX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2035 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 R41
$9
0.17%
[81],[82],[83]
Expenses Paid, Amount $ 9 [81]
Expense Ratio, Percent 0.17% [81]
Net Assets $ 52,979,950
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$52,979,950
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [84]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2035 Fund
Class Name Class R5
Trading Symbol PAFYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2035 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 R51
$2
0.03%
[85],[86],[87]
Expenses Paid, Amount $ 2 [85]
Expense Ratio, Percent 0.03% [85]
Net Assets $ 52,979,950
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$52,979,950
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [88]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2035 Fund
Class Name Class R6
Trading Symbol PCDLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2035 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 R61
$(4)
-0.07%
[89],[90],[91]
Expenses Paid, Amount $ (4)
Expense Ratio, Percent (0.07%) [89]
Net Assets $ 52,979,950
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$52,979,950
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [92]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2035 Fund
Class Name Class Y
Trading Symbol POWYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2035 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 Y1
$2
0.03%
[93],[94],[95]
Expenses Paid, Amount $ 2 [93]
Expense Ratio, Percent 0.03% [93]
Net Assets $ 52,979,950
Holdings Count | $ / shares 4
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$52,979,950
Total Number of Portfolio Holdings
4
Portfolio Turnover Rate
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [96]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2040 Fund
Class Name Class A
Trading Symbol PCCLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2040 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 A1
$12
0.24%
[97],[98],[99]
Expenses Paid, Amount $ 12 [97]
Expense Ratio, Percent 0.24% [97]
Net Assets $ 45,033,603
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$45,033,603
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [100]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2040 Fund
Class Name Class C
Trading Symbol PBBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2040 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 C1
$50
0.98%
[101],[102],[103]
Expenses Paid, Amount $ 50 [101]
Expense Ratio, Percent 0.98% [101]
Net Assets $ 45,033,603
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$45,033,603
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [104]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2040 Fund
Class Name Class R
Trading Symbol PBAOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2040 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 R1
$33
0.64%
[105],[106],[107]
Expenses Paid, Amount $ 33 [105]
Expense Ratio, Percent 0.64% [105]
Net Assets $ 45,033,603
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$45,033,603
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [108]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2040 Fund
Class Name Class R3
Trading Symbol PAGKX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2040 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 R31
$20
0.38%
[109],[110],[111]
Expenses Paid, Amount $ 20 [109]
Expense Ratio, Percent 0.38% [109]
Net Assets $ 45,033,603
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$45,033,603
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [112]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2040 Fund
Class Name Class R4
Trading Symbol PAGJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2040 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 R41
$7
0.14%
[113],[114],[115]
Expenses Paid, Amount $ 7 [113]
Expense Ratio, Percent 0.14% [113]
Net Assets $ 45,033,603
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$45,033,603
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [116]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2040 Fund
Class Name Class R5
Trading Symbol PAGOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2040 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 R51
$(1)
-0.02%
[117],[118],[119]
Expenses Paid, Amount $ (1)
Expense Ratio, Percent (0.02%) [117]
Net Assets $ 45,033,603
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$45,033,603
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [120]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2040 Fund
Class Name Class R6
Trading Symbol PBAMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2040 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 R61
$(6)
-0.12%
[121],[122],[123]
Expenses Paid, Amount $ (6)
Expense Ratio, Percent (0.12%) [121]
Net Assets $ 45,033,603
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$45,033,603
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [124]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2040 Fund
Class Name Class Y
Trading Symbol PALZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2040 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 Y1
$(1)
-0.02%
[125],[126],[127]
Expenses Paid, Amount $ (1)
Expense Ratio, Percent (0.02%) [125]
Net Assets $ 45,033,603
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$45,033,603
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [128]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2045 Fund
Class Name Class A
Trading Symbol PALGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2045 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 A1
$10
0.20%
[129],[130],[131]
Expenses Paid, Amount $ 10 [129]
Expense Ratio, Percent 0.20% [129]
Net Assets $ 32,323,024
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$32,323,024
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [132]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2045 Fund
Class Name Class C
Trading Symbol PAFPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2045 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 C1
$49
0.95%
[133],[134],[135]
Expenses Paid, Amount $ 49 [133]
Expense Ratio, Percent 0.95% [133]
Net Assets $ 32,323,024
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$32,323,024
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [136]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2045 Fund
Class Name Class R
Trading Symbol PAFZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2045 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 R1
$31
0.59%
[137],[138],[139]
Expenses Paid, Amount $ 31 [137]
Expense Ratio, Percent 0.59% [137]
Net Assets $ 32,323,024
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$32,323,024
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [140]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2045 Fund
Class Name Class R3
Trading Symbol PAGQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2045 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 R31
$18
0.35%
[141],[142],[143]
Expenses Paid, Amount $ 18 [141]
Expense Ratio, Percent 0.35% [141]
Net Assets $ 32,323,024
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$32,323,024
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [144]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2045 Fund
Class Name Class R4
Trading Symbol PAGUX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2045 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 R41
$5
0.09%
[145],[146],[147]
Expenses Paid, Amount $ 5 [145]
Expense Ratio, Percent 0.09% [145]
Net Assets $ 32,323,024
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$32,323,024
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [148]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2045 Fund
Class Name Class R5
Trading Symbol PAGWX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2045 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 R51
$(3)
-0.05%
[149],[150],[151]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.05%) [149]
Net Assets $ 32,323,024
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$32,323,024
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [152]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2045 Fund
Class Name Class R6
Trading Symbol PAFMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2045 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 R61
$(8)
-0.15%
[153],[154],[155]
Expenses Paid, Amount $ (8)
Expense Ratio, Percent (0.15%) [153]
Net Assets $ 32,323,024
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$32,323,024
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [156]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2045 Fund
Class Name Class Y
Trading Symbol PAFJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2045 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 Y1
$(3)
-0.06%
[157],[158],[159]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.06%) [157]
Net Assets $ 32,323,024
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$32,323,024
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
11%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [160]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2050 Fund
Class Name Class A
Trading Symbol PAEZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2050 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 A1
$10
0.19%
[161],[162],[163]
Expenses Paid, Amount $ 10 [161]
Expense Ratio, Percent 0.19% [161]
Net Assets $ 31,256,992
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$31,256,992
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [164]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2050 Fund
Class Name Class C
Trading Symbol PAENX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2050 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 C1
$49
0.94%
[165],[166],[167]
Expenses Paid, Amount $ 49 [165]
Expense Ratio, Percent 0.94% [165]
Net Assets $ 31,256,992
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$31,256,992
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [168]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2050 Fund
Class Name Class R
Trading Symbol PAEQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2050 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 R1
$30
0.58%
[169],[170],[171]
Expenses Paid, Amount $ 30 [169]
Expense Ratio, Percent 0.58% [169]
Net Assets $ 31,256,992
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$31,256,992
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [172]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2050 Fund
Class Name Class R3
Trading Symbol PAGZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2050 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 R31
$17
0.33%
[173],[174],[175]
Expenses Paid, Amount $ 17 [173]
Expense Ratio, Percent 0.33% [173]
Net Assets $ 31,256,992
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$31,256,992
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [176]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2050 Fund
Class Name Class R4
Trading Symbol PAHAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2050 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 R41
$5
0.09%
[177],[178],[179]
Expenses Paid, Amount $ 5 [177]
Expense Ratio, Percent 0.09% [177]
Net Assets $ 31,256,992
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$31,256,992
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [180]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2050 Fund
Class Name Class R5
Trading Symbol PAHDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2050 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 R51
$(3)
-0.06%
[181],[182],[183]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.06%) [181]
Net Assets $ 31,256,992
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$31,256,992
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [184]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2050 Fund
Class Name Class R6
Trading Symbol PAEKX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2050 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 R61
$(8)
-0.16%
[185],[186],[187]
Expenses Paid, Amount $ (8)
Expense Ratio, Percent (0.16%) [185]
Net Assets $ 31,256,992
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$31,256,992
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [188]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2050 Fund
Class Name Class Y
Trading Symbol PHPDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2050 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 Y1
$(3)
-0.05%
[189],[190],[191]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.05%) [189]
Net Assets $ 31,256,992
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$31,256,992
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [192]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2055 Fund
Class Name Class A
Trading Symbol PADYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2055 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 A1
$10
0.19%
[193],[194],[195]
Expenses Paid, Amount $ 10 [193]
Expense Ratio, Percent 0.19% [193]
Net Assets $ 22,842,432
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$22,842,432
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [196]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2055 Fund
Class Name Class C
Trading Symbol PACWX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2055 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 C1
$48
0.93%
[197],[198],[199]
Expenses Paid, Amount $ 48 [197]
Expense Ratio, Percent 0.93% [197]
Net Assets $ 22,842,432
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$22,842,432
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [200]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2055 Fund
Class Name Class R
Trading Symbol PACSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2055 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 R1
$30
0.58%
[201],[202],[203]
Expenses Paid, Amount $ 30 [201]
Expense Ratio, Percent 0.58% [201]
Net Assets $ 22,842,432
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$22,842,432
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [204]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2055 Fund
Class Name Class R3
Trading Symbol PAHEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2055 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 R31
$18
0.34%
[205],[206],[207]
Expenses Paid, Amount $ 18 [205]
Expense Ratio, Percent 0.34% [205]
Net Assets $ 22,842,432
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$22,842,432
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [208]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2055 Fund
Class Name Class R4
Trading Symbol PAHFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2055 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 R41
$4
0.08%
[209],[210],[211]
Expenses Paid, Amount $ 4 [209]
Expense Ratio, Percent 0.08% [209]
Net Assets $ 22,842,432
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$22,842,432
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [212]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2055 Fund
Class Name Class R5
Trading Symbol PAHGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2055 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 R51
$(3)
-0.06%
[213],[214],[215]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.06%) [213]
Net Assets $ 22,842,432
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$22,842,432
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [216]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2055 Fund
Class Name Class R6
Trading Symbol PACJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2055 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 R61
$(8)
-0.16%
[217],[218],[219]
Expenses Paid, Amount $ (8)
Expense Ratio, Percent (0.16%) [217]
Net Assets $ 22,842,432
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$22,842,432
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [220]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2055 Fund
Class Name Class Y
Trading Symbol PAAWX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2055 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 Y1
$(3)
-0.06%
[221],[222],[223]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.06%) [221]
Net Assets $ 22,842,432
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$22,842,432
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [224]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2060 Fund
Class Name Class A
Trading Symbol PAAVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2060 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 A1
$10
0.20%
[225],[226],[227]
Expenses Paid, Amount $ 10 [225]
Expense Ratio, Percent 0.20% [225]
Net Assets $ 17,225,525
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$17,225,525
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [228]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2060 Fund
Class Name Class C
Trading Symbol PAAPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2060 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 C1
$49
0.95%
[229],[230],[231]
Expenses Paid, Amount $ 49 [229]
Expense Ratio, Percent 0.95% [229]
Net Assets $ 17,225,525
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$17,225,525
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [232]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2060 Fund
Class Name Class R
Trading Symbol PAAMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2060 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 R1
$31
0.59%
[233],[234],[235]
Expenses Paid, Amount $ 31 [233]
Expense Ratio, Percent 0.59% [233]
Net Assets $ 17,225,525
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$17,225,525
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [236]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2060 Fund
Class Name Class R3
Trading Symbol PAHJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2060 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 R31
$18
0.35%
[237],[238],[239]
Expenses Paid, Amount $ 18 [237]
Expense Ratio, Percent 0.35% [237]
Net Assets $ 17,225,525
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$17,225,525
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [240]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2060 Fund
Class Name Class R4
Trading Symbol PAHKX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2060 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 R41
$4
0.08%
[241],[242],[243]
Expenses Paid, Amount $ 4 [241]
Expense Ratio, Percent 0.08% [241]
Net Assets $ 17,225,525
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$17,225,525
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [244]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2060 Fund
Class Name Class R5
Trading Symbol PAHLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2060 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 R51
$(3)
-0.06%
[245],[246],[247]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.06%) [245]
Net Assets $ 17,225,525
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$17,225,525
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [248]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2060 Fund
Class Name Class R6
Trading Symbol PAAKX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2060 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 R61
$(8)
-0.16%
[249],[250],[251]
Expenses Paid, Amount $ (8)
Expense Ratio, Percent (0.16%) [249]
Net Assets $ 17,225,525
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$17,225,525
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [252]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2060 Fund
Class Name Class Y
Trading Symbol PAKJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2060 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 Y1
$(3)
-0.05%
[253],[254],[255]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.05%) [253]
Net Assets $ 17,225,525
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 10.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$17,225,525
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
10%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [256]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2065 Fund
Class Name Class A
Trading Symbol PCJZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2065 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 A1
$10
0.20%
[257],[258],[259]
Expenses Paid, Amount $ 10 [257]
Expense Ratio, Percent 0.20% [257]
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$4,269,352
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
24%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [260]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2065 Fund
Class Name Class C
Trading Symbol PCKBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2065 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 C1
$49
0.95%
[261],[262],[263]
Expenses Paid, Amount $ 49 [261]
Expense Ratio, Percent 0.95% [261]
Net Assets $ 4,269,352
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$4,269,352
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
24%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [264]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2065 Fund
Class Name Class R
Trading Symbol PCKFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2065 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 R1
$31
0.60%
[265],[266],[267]
Expenses Paid, Amount $ 31 [265]
Expense Ratio, Percent 0.60% [265]
Net Assets $ 4,269,352
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$4,269,352
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
24%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [268]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2065 Fund
Class Name Class R3
Trading Symbol PCKGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2065 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 R31
$18
0.35%
[269],[270],[271]
Expenses Paid, Amount $ 18 [269]
Expense Ratio, Percent 0.35% [269]
Net Assets $ 4,269,352
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$4,269,352
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
24%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [272]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2065 Fund
Class Name Class R4
Trading Symbol PCKHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2065 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 R41
$5
0.10%
[273],[274],[275]
Expenses Paid, Amount $ 5 [273]
Expense Ratio, Percent 0.10% [273]
Net Assets $ 4,269,352
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$4,269,352
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
24%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [276]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2065 Fund
Class Name Class R5
Trading Symbol PCKIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2065 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 R51
$(3)
-0.05%
[277],[278],[279]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.05%) [277]
Net Assets $ 4,269,352
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$4,269,352
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
24%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [280]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2065 Fund
Class Name Class R6
Trading Symbol PCKJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2065 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 R61
$(8)
-0.15%
[281],[282],[283]
Expenses Paid, Amount $ (8)
Expense Ratio, Percent (0.15%) [281]
Net Assets $ 4,269,352
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$4,269,352
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
24%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [284]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2065 Fund
Class Name Class Y
Trading Symbol PCKEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2065 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 Y1
$(3)
-0.05%
[285],[286],[287]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.05%) [285]
Net Assets $ 4,269,352
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$4,269,352
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
24%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition*  (% of Total Investments)
image
 [288]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2070 Fund
Class Name Class A
Trading Symbol PAJFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2070 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 A1
$10
0.20%
[289],[290],[291]
Expenses Paid, Amount $ 10 [289]
Expense Ratio, Percent 0.20% [289]
Net Assets $ 1,441,247
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$1,441,247
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [292]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2070 Fund
Class Name Class C
Trading Symbol PAJHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2070 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 C1
$49
0.95%
[293],[294],[295]
Expenses Paid, Amount $ 49 [293]
Expense Ratio, Percent 0.95% [293]
Net Assets $ 1,441,247
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$1,441,247
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [296]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2070 Fund
Class Name Class R
Trading Symbol PAJIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2070 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 R1
$31
0.60%
[297],[298],[299]
Expenses Paid, Amount $ 31 [297]
Expense Ratio, Percent 0.60% [297]
Net Assets $ 1,441,247
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$1,441,247
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [300]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R3  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2070 Fund
Class Name Class R3
Trading Symbol PAJJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2070 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 R31
$18
0.35%
[301],[302],[303]
Expenses Paid, Amount $ 18 [301]
Expense Ratio, Percent 0.35% [301]
Net Assets $ 1,441,247
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$1,441,247
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [304]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R4  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2070 Fund
Class Name Class R4
Trading Symbol PAJKX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2070 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 R41
$5
0.09%
[305],[306],[307]
Expenses Paid, Amount $ 5 [305]
Expense Ratio, Percent 0.09% [305]
Net Assets $ 1,441,247
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$1,441,247
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [308]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R5  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2070 Fund
Class Name Class R5
Trading Symbol PAJLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2070 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 R51
$(3)
-0.05%
[309],[310],[311]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.05%) [309]
Net Assets $ 1,441,247
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$1,441,247
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [312]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2070 Fund
Class Name Class R6
Trading Symbol PAJMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2070 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 R61
$(8)
-0.15%
[313],[314],[315]
Expenses Paid, Amount $ (8)
Expense Ratio, Percent (0.15%) [313]
Net Assets $ 1,441,247
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$1,441,247
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [316]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam Retirement Advantage 2070 Fund
Class Name Class Y
Trading Symbol PAJNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam Retirement Advantage 2070 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 Y1
$(3)
-0.05%
[317],[318],[319]
Expenses Paid, Amount $ (3)
Expense Ratio, Percent (0.05%) [317]
Net Assets $ 1,441,247
Holdings Count | $ / shares 3
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of February 28, 2026)
Total Net Assets
$1,441,247
Total Number of Portfolio Holdings
3
Portfolio Turnover Rate
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of February 28, 2026)
Portfolio Composition* (% of Total Investments)
image
 [320]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
[1]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[2]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[3]
† Annualized.
[4]
* Does not include derivatives, except purchased options, if any.  
[5]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[6]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[7]
† Annualized.
[8]
* Does not include derivatives, except purchased options, if any.  
[9]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[10]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[11]
† Annualized.
[12]
* Does not include derivatives, except purchased options, if any.  
[13]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[14]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[15]
† Annualized.
[16]
* Does not include derivatives, except purchased options, if any.  
[17]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[18]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[19]
† Annualized.
[20]
* Does not include derivatives, except purchased options, if any.  
[21]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[22]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[23]
† Annualized.
[24]
* Does not include derivatives, except purchased options, if any.  
[25]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[26]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[27]
† Annualized.
[28]
* Does not include derivatives, except purchased options, if any.  
[29]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[30]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[31]
† Annualized.
[32]
* Does not include derivatives, except purchased options, if any.  
[33]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[34]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[35]
† Annualized.
[36]
* Does not include derivatives, except purchased options, if any.  
[37]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[38]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[39]
† Annualized.
[40]
* Does not include derivatives, except purchased options, if any.  
[41]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[42]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[43]
† Annualized.
[44]
* Does not include derivatives, except purchased options, if any.  
[45]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[46]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[47]
† Annualized.
[48]
* Does not include derivatives, except purchased options, if any.  
[49]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[50]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[51]
† Annualized.
[52]
* Does not include derivatives, except purchased options, if any.  
[53]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[54]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[55]
† Annualized.
[56]
* Does not include derivatives, except purchased options, if any.  
[57]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[58]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[59]
† Annualized.
[60]
* Does not include derivatives, except purchased options, if any.  
[61]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[62]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[63]
† Annualized.
[64]
* Does not include derivatives, except purchased options, if any.  
[65]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[66]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[67]
† Annualized.
[68]
* Does not include derivatives, except purchased options, if any.  
[69]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[70]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[71]
† Annualized.
[72]
* Does not include derivatives, except purchased options, if any.  
[73]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[74]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[75]
† Annualized.
[76]
* Does not include derivatives, except purchased options, if any.  
[77]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[78]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[79]
† Annualized.
[80]
* Does not include derivatives, except purchased options, if any.  
[81]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[82]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[83]
† Annualized.
[84]
* Does not include derivatives, except purchased options, if any.  
[85]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[86]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[87]
† Annualized.
[88]
* Does not include derivatives, except purchased options, if any.  
[89]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[90]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[91]
† Annualized.
[92]
* Does not include derivatives, except purchased options, if any.  
[93]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[94]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[95]
† Annualized.
[96]
* Does not include derivatives, except purchased options, if any.  
[97]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[98]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[99]
† Annualized.
[100]
* Does not include derivatives, except purchased options, if any.  
[101]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[102]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[103]
† Annualized.
[104]
* Does not include derivatives, except purchased options, if any.  
[105]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[106]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[107]
† Annualized.
[108]
* Does not include derivatives, except purchased options, if any.  
[109]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[110]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[111]
† Annualized.
[112]
* Does not include derivatives, except purchased options, if any.  
[113]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[114]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[115]
† Annualized.
[116]
* Does not include derivatives, except purchased options, if any.  
[117]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[118]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[119]
† Annualized.
[120]
* Does not include derivatives, except purchased options, if any.  
[121]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[122]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[123]
† Annualized.
[124]
* Does not include derivatives, except purchased options, if any.  
[125]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[126]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[127]
† Annualized.
[128]
* Does not include derivatives, except purchased options, if any.  
[129]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[130]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[131]
† Annualized.
[132]
* Does not include derivatives, except purchased options, if any.  
[133]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[134]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[135]
† Annualized.
[136]
* Does not include derivatives, except purchased options, if any.  
[137]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[138]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[139]
† Annualized.
[140]
* Does not include derivatives, except purchased options, if any.  
[141]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[142]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[143]
† Annualized.
[144]
* Does not include derivatives, except purchased options, if any.  
[145]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[146]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[147]
† Annualized.
[148]
* Does not include derivatives, except purchased options, if any.  
[149]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[150]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[151]
† Annualized.
[152]
* Does not include derivatives, except purchased options, if any.  
[153]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[154]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[155]
† Annualized.
[156]
* Does not include derivatives, except purchased options, if any.  
[157]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[158]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[159]
† Annualized.
[160]
* Does not include derivatives, except purchased options, if any.  
[161]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[162]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[163]
† Annualized.
[164]
* Does not include derivatives, except purchased options, if any.  
[165]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[166]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[167]
† Annualized.
[168]
* Does not include derivatives, except purchased options, if any.  
[169]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[170]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[171]
† Annualized.
[172]
* Does not include derivatives, except purchased options, if any.  
[173]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[174]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[175]
† Annualized.
[176]
* Does not include derivatives, except purchased options, if any.  
[177]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[178]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[179]
† Annualized.
[180]
* Does not include derivatives, except purchased options, if any.  
[181]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[182]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[183]
† Annualized.
[184]
* Does not include derivatives, except purchased options, if any.  
[185]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[186]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[187]
† Annualized.
[188]
* Does not include derivatives, except purchased options, if any.  
[189]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[190]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[191]
† Annualized.
[192]
* Does not include derivatives, except purchased options, if any.  
[193]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[194]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[195]
† Annualized.
[196]
* Does not include derivatives, except purchased options, if any.  
[197]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[198]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[199]
† Annualized.
[200]
* Does not include derivatives, except purchased options, if any.  
[201]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[202]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[203]
† Annualized.
[204]
* Does not include derivatives, except purchased options, if any.  
[205]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[206]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[207]
† Annualized.
[208]
* Does not include derivatives, except purchased options, if any.  
[209]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[210]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[211]
† Annualized.
[212]
* Does not include derivatives, except purchased options, if any.  
[213]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[214]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[215]
† Annualized.
[216]
* Does not include derivatives, except purchased options, if any.  
[217]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[218]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[219]
† Annualized.
[220]
* Does not include derivatives, except purchased options, if any.  
[221]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[222]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[223]
† Annualized.
[224]
* Does not include derivatives, except purchased options, if any.  
[225]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[226]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[227]
† Annualized.
[228]
* Does not include derivatives, except purchased options, if any.  
[229]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[230]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[231]
† Annualized.
[232]
* Does not include derivatives, except purchased options, if any.  
[233]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[234]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[235]
† Annualized.
[236]
* Does not include derivatives, except purchased options, if any.  
[237]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[238]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[239]
† Annualized.
[240]
* Does not include derivatives, except purchased options, if any.  
[241]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[242]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[243]
† Annualized.
[244]
* Does not include derivatives, except purchased options, if any.  
[245]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[246]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[247]
† Annualized.
[248]
* Does not include derivatives, except purchased options, if any.  
[249]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[250]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[251]
† Annualized.
[252]
* Does not include derivatives, except purchased options, if any.  
[253]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[254]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[255]
† Annualized.
[256]
* Does not include derivatives, except purchased options, if any.  
[257]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[258]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[259]
† Annualized.
[260]
* Does not include derivatives, except purchased options, if any.  
[261]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[262]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[263]
† Annualized.
[264]
* Does not include derivatives, except purchased options, if any.  
[265]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[266]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[267]
† Annualized.
[268]
* Does not include derivatives, except purchased options, if any.  
[269]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[270]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[271]
† Annualized.
[272]
* Does not include derivatives, except purchased options, if any.  
[273]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[274]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[275]
† Annualized.
[276]
* Does not include derivatives, except purchased options, if any.  
[277]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[278]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[279]
† Annualized.
[280]
* Does not include derivatives, except purchased options, if any.  
[281]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[282]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[283]
† Annualized.
[284]
* Does not include derivatives, except purchased options, if any.  
[285]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[286]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[287]
† Annualized.
[288]
* Does not include derivatives, except purchased options, if any.  
[289]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[290]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[291]
† Annualized.
[292]
* Does not include derivatives, except purchased options, if any.  
[293]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[294]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[295]
† Annualized.
[296]
* Does not include derivatives, except purchased options, if any.  
[297]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[298]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[299]
† Annualized.
[300]
* Does not include derivatives, except purchased options, if any.  
[301]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[302]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[303]
† Annualized.
[304]
* Does not include derivatives, except purchased options, if any.  
[305]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[306]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[307]
† Annualized.
[308]
* Does not include derivatives, except purchased options, if any.  
[309]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[310]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[311]
† Annualized.
[312]
* Does not include derivatives, except purchased options, if any.  
[313]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[314]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[315]
† Annualized.
[316]
* Does not include derivatives, except purchased options, if any.  
[317]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[318]
* Reflects waiver of fees and/or reimbursement of expenses (including acquired fund fees and expenses), without which expenses would be higher.
[319]
† Annualized.
[320]
* Does not include derivatives, except purchased options, if any.