v3.25.2
Shareholder Report
 6 Months Ended
May 31, 2025
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Putnam New York Tax Exempt Income Fund
Entity Central Index Key 0000719712
Entity Investment Company Type N-1A
Document Period End Date May 31, 2025
Class A  
Shareholder Report [Line Items]  
Fund Name Putnam New York Tax Exempt Income Fund
Class Name Class A
Trading Symbol PTEIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam New York Tax Exempt Income Fund for the period December 1, 2024, to May 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class A
$38
0.77%
[1]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.77%
Net Assets $ 703,447,818
Holdings Count | $ / shares 309 [2]
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of May 31, 2025)
Total Net Assets
$703,447,818
Total Number of Portfolio Holdings*
309
Portfolio Turnover Rate
11%
[2]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Putnam New York Tax Exempt Income Fund
Class Name Class C
Trading Symbol PNNCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam New York Tax Exempt Income Fund for the period December 1, 2024, to May 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class C
$74
1.52%
[3]
Expenses Paid, Amount $ 74
Expense Ratio, Percent 1.52%
Net Assets $ 703,447,818
Holdings Count | $ / shares 309 [4]
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of May 31, 2025)
Total Net Assets
$703,447,818
Total Number of Portfolio Holdings*
309
Portfolio Turnover Rate
11%
[4]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Putnam New York Tax Exempt Income Fund
Class Name Class R6
Trading Symbol PNYRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam New York Tax Exempt Income Fund for the period December 1, 2024, to May 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class R6
$25
0.51%
[5]
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.51%
Net Assets $ 703,447,818
Holdings Count | $ / shares 309 [6]
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of May 31, 2025)
Total Net Assets
$703,447,818
Total Number of Portfolio Holdings*
309
Portfolio Turnover Rate
11%
[6]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class Y  
Shareholder Report [Line Items]  
Fund Name Putnam New York Tax Exempt Income Fund
Class Name Class Y
Trading Symbol PNYYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Putnam New York Tax Exempt Income Fund for the period December 1, 2024, to May 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at (800) 225-1581.
Additional Information Phone Number (800) 225-1581
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class Y
$25
0.52%
[7]
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.52%
Net Assets $ 703,447,818
Holdings Count | $ / shares 309 [8]
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of May 31, 2025)
Total Net Assets
$703,447,818
Total Number of Portfolio Holdings*
309
Portfolio Turnover Rate
11%
[8]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
[1]
† Annualized.
[2]
* Does not include derivatives, except purchased options, if any.  
[3]
† Annualized.
[4]
* Does not include derivatives, except purchased options, if any.  
[5]
† Annualized.
[6]
* Does not include derivatives, except purchased options, if any.  
[7]
† Annualized.
[8]
* Does not include derivatives, except purchased options, if any.