XML 406 R2.htm IDEA: XBRL DOCUMENT v3.24.3
Shareholder Report
 6 Months Ended
Aug. 31, 2024
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Franklin Tax-Free Trust
Entity Central Index Key 0000757010
Entity Investment Company Type N-1A
Document Period End Date Aug. 31, 2024
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Intermediate-Term Tax-Free Income Fund
Class Name Class A
Trading Symbol FKQTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Intermediate-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$36
0.70%
[1],[2]
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.70%
Net Assets $ 2,131,784,412
Holdings Count | $ / shares 635 [3]
Investment Company Portfolio Turnover 8.20%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$2,131,784,412
Total Number of Portfolio Holdings*
635
Portfolio Turnover Rate
8.20%
[3]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Intermediate-Term Tax-Free Income Fund
Class Name Class A1
Trading Symbol FKITX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Intermediate-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$28
0.55%
[4],[5]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.55%
Net Assets $ 2,131,784,412
Holdings Count | $ / shares 635 [6]
Investment Company Portfolio Turnover 8.20%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$2,131,784,412
Total Number of Portfolio Holdings*
635
Portfolio Turnover Rate
8.20%
[6]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Intermediate-Term Tax-Free Income Fund
Class Name Class C
Trading Symbol FCITX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Intermediate-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$56
1.10%
[7],[8]
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.10%
Net Assets $ 2,131,784,412
Holdings Count | $ / shares 635 [9]
Investment Company Portfolio Turnover 8.20%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$2,131,784,412
Total Number of Portfolio Holdings*
635
Portfolio Turnover Rate
8.20%
[9]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Intermediate-Term Tax-Free Income Fund
Class Name Class R6
Trading Symbol FITQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Intermediate-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$20
0.40%
[10],[11]
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.40%
Net Assets $ 2,131,784,412
Holdings Count | $ / shares 635 [12]
Investment Company Portfolio Turnover 8.20%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$2,131,784,412
Total Number of Portfolio Holdings*
635
Portfolio Turnover Rate
8.20%
[12]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Intermediate-Term Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FITZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Intermediate-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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*,†
Advisor Class
$23
0.45%
[13],[14]
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45%
Net Assets $ 2,131,784,412
Holdings Count | $ / shares 635 [15]
Investment Company Portfolio Turnover 8.20%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$2,131,784,412
Total Number of Portfolio Holdings*
635
Portfolio Turnover Rate
8.20%
[15]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Limited-Term Tax-Free Income Fund
Class Name Class A
Trading Symbol FFLQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Limited-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$33
0.65%
[16],[17]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.65%
Net Assets $ 879,311,718
Holdings Count | $ / shares 308 [18]
Investment Company Portfolio Turnover 9.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$879,311,718
Total Number of Portfolio Holdings*
308
Portfolio Turnover Rate
9.06%
[18]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Limited-Term Tax-Free Income Fund
Class Name Class A1
Trading Symbol FFTFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Limited-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$28
0.55%
[19],[20]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.55%
Net Assets $ 879,311,718
Holdings Count | $ / shares 308 [21]
Investment Company Portfolio Turnover 9.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$879,311,718
Total Number of Portfolio Holdings*
308
Portfolio Turnover Rate
9.06%
[21]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Limited-Term Tax-Free Income Fund
Class Name Class R6
Trading Symbol FFTRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Limited-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$19
0.37%
[22],[23]
Expenses Paid, Amount $ 19
Expense Ratio, Percent 0.37%
Net Assets $ 879,311,718
Holdings Count | $ / shares 308 [24]
Investment Company Portfolio Turnover 9.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$879,311,718
Total Number of Portfolio Holdings*
308
Portfolio Turnover Rate
9.06%
[24]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Federal Limited-Term Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FTFZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Federal Limited-Term Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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*,†
Advisor Class
$20
0.40%
[25],[26]
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.40%
Net Assets $ 879,311,718
Holdings Count | $ / shares 308 [27]
Investment Company Portfolio Turnover 9.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$879,311,718
Total Number of Portfolio Holdings*
308
Portfolio Turnover Rate
9.06%
[27]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin High Yield Tax-Free Income Fund
Class Name Class A
Trading Symbol FHYQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin High Yield Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$41
0.80%
[28],[29]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.80%
Net Assets $ 4,950,933,088
Holdings Count | $ / shares 1,836 [30]
Investment Company Portfolio Turnover 5.17%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$4,950,933,088
Total Number of Portfolio Holdings*
1,836
Portfolio Turnover Rate
5.17%
[30]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin High Yield Tax-Free Income Fund
Class Name Class A1
Trading Symbol FRHIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin High Yield Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$34
0.65%
[31],[32]
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.65%
Net Assets $ 4,950,933,088
Holdings Count | $ / shares 1,836 [33]
Investment Company Portfolio Turnover 5.17%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$4,950,933,088
Total Number of Portfolio Holdings*
1,836
Portfolio Turnover Rate
5.17%
[33]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin High Yield Tax-Free Income Fund
Class Name Class C
Trading Symbol FHYIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin High Yield Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$61
1.19%
[34],[35]
Expenses Paid, Amount $ 61
Expense Ratio, Percent 1.19%
Net Assets $ 4,950,933,088
Holdings Count | $ / shares 1,836 [36]
Investment Company Portfolio Turnover 5.17%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$4,950,933,088
Total Number of Portfolio Holdings*
1,836
Portfolio Turnover Rate
5.17%
[36]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin High Yield Tax-Free Income Fund
Class Name Class R6
Trading Symbol FHYRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin High Yield Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$26
0.51%
[37],[38]
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.51%
Net Assets $ 4,950,933,088
Holdings Count | $ / shares 1,836 [39]
Investment Company Portfolio Turnover 5.17%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$4,950,933,088
Total Number of Portfolio Holdings*
1,836
Portfolio Turnover Rate
5.17%
[39]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin High Yield Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FHYVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin High Yield Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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*,†
Advisor Class
$28
0.55%
[40],[41]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.55%
Net Assets $ 4,950,933,088
Holdings Count | $ / shares 1,836 [42]
Investment Company Portfolio Turnover 5.17%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$4,950,933,088
Total Number of Portfolio Holdings*
1,836
Portfolio Turnover Rate
5.17%
[42]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Massachusetts Tax-Free Income Fund
Class Name Class A
Trading Symbol FMAQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Massachusetts Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$46
0.90%
[43],[44]
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.90%
Net Assets $ 282,658,794
Holdings Count | $ / shares 96 [45]
Investment Company Portfolio Turnover 5.59%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$282,658,794
Total Number of Portfolio Holdings*
96
Portfolio Turnover Rate
5.59%
[45]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Massachusetts Tax-Free Income Fund
Class Name Class A1
Trading Symbol FMISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Massachusetts Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$38
0.75%
[46],[47]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.75%
Net Assets $ 282,658,794
Holdings Count | $ / shares 96 [48]
Investment Company Portfolio Turnover 5.59%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$282,658,794
Total Number of Portfolio Holdings*
96
Portfolio Turnover Rate
5.59%
[48]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Massachusetts Tax-Free Income Fund
Class Name Class C
Trading Symbol FMAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Massachusetts Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$66
1.29%
[49],[50]
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.29%
Net Assets $ 282,658,794
Holdings Count | $ / shares 96 [51]
Investment Company Portfolio Turnover 5.59%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$282,658,794
Total Number of Portfolio Holdings*
96
Portfolio Turnover Rate
5.59%
[51]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Massachusetts Tax-Free Income Fund
Class Name Class R6
Trading Symbol FKTMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Massachusetts Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$32
0.62%
[52],[53]
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.62%
Net Assets $ 282,658,794
Holdings Count | $ / shares 96 [54]
Investment Company Portfolio Turnover 5.59%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$282,658,794
Total Number of Portfolio Holdings*
96
Portfolio Turnover Rate
5.59%
[54]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Massachusetts Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FMAHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Massachusetts Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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*,†
Advisor Class
$33
0.65%
[55],[56]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.65%
Net Assets $ 282,658,794
Holdings Count | $ / shares 96 [57]
Investment Company Portfolio Turnover 5.59%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$282,658,794
Total Number of Portfolio Holdings*
96
Portfolio Turnover Rate
5.59%
[57]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin New Jersey Tax-Free Income Fund
Class Name Class A
Trading Symbol FNJQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin New Jersey Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$42
0.83%
[58]
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.83%
Net Assets $ 729,094,551
Holdings Count | $ / shares 192 [59]
Investment Company Portfolio Turnover 7.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$729,094,551
Total Number of Portfolio Holdings*
192
Portfolio Turnover Rate
7.64%
[59]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin New Jersey Tax-Free Income Fund
Class Name Class A1
Trading Symbol FRNJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin New Jersey Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$35
0.68%
[60]
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.68%
Net Assets $ 729,094,551
Holdings Count | $ / shares 192 [61]
Investment Company Portfolio Turnover 7.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$729,094,551
Total Number of Portfolio Holdings*
192
Portfolio Turnover Rate
7.64%
[61]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin New Jersey Tax-Free Income Fund
Class Name Class C
Trading Symbol FNIIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin New Jersey Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$62
1.22%
[62]
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.22%
Net Assets $ 729,094,551
Holdings Count | $ / shares 192 [63]
Investment Company Portfolio Turnover 7.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$729,094,551
Total Number of Portfolio Holdings*
192
Portfolio Turnover Rate
7.64%
[63]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin New Jersey Tax-Free Income Fund
Class Name Class R6
Trading Symbol FNJRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin New Jersey Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$27
0.53%
[64]
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.53%
Net Assets $ 729,094,551
Holdings Count | $ / shares 192 [65]
Investment Company Portfolio Turnover 7.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$729,094,551
Total Number of Portfolio Holdings*
192
Portfolio Turnover Rate
7.64%
[65]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin New Jersey Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FNJZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin New Jersey Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$30
0.58%
[66]
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.58%
Net Assets $ 729,094,551
Holdings Count | $ / shares 192 [67]
Investment Company Portfolio Turnover 7.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$729,094,551
Total Number of Portfolio Holdings*
192
Portfolio Turnover Rate
7.64%
[67]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Alabama Tax-Free Income Fund
Class Name Class A
Trading Symbol FALQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Alabama Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$45
0.89%
[68],[69]
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89%
Net Assets $ 188,846,936
Holdings Count | $ / shares 87 [70]
Investment Company Portfolio Turnover 6.91%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$188,846,936
Total Number of Portfolio Holdings*
87
Portfolio Turnover Rate
6.91%
[70]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Alabama Tax-Free Income Fund
Class Name Class A1
Trading Symbol FRALX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Alabama Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$38
0.75%
[71],[72]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.75%
Net Assets $ 188,846,936
Holdings Count | $ / shares 87 [73]
Investment Company Portfolio Turnover 6.91%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$188,846,936
Total Number of Portfolio Holdings*
87
Portfolio Turnover Rate
6.91%
[73]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Alabama Tax-Free Income Fund
Class Name Class C
Trading Symbol FALEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Alabama Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$66
1.29%
[74],[75]
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.29%
Net Assets $ 188,846,936
Holdings Count | $ / shares 87 [76]
Investment Company Portfolio Turnover 6.91%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$188,846,936
Total Number of Portfolio Holdings*
87
Portfolio Turnover Rate
6.91%
[76]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Alabama Tax-Free Income Fund
Class Name Class R6
Trading Symbol FALRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Alabama Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$32
0.62%
[77],[78]
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.62%
Net Assets $ 188,846,936
Holdings Count | $ / shares 87 [79]
Investment Company Portfolio Turnover 6.91%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$188,846,936
Total Number of Portfolio Holdings*
87
Portfolio Turnover Rate
6.91%
[79]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Alabama Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FALZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Alabama Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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*,†
Advisor Class
$33
0.65%
[80],[81]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.65%
Net Assets $ 188,846,936
Holdings Count | $ / shares 87 [82]
Investment Company Portfolio Turnover 6.91%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$188,846,936
Total Number of Portfolio Holdings*
87
Portfolio Turnover Rate
6.91%
[82]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Georgia Tax-Free Income Fund
Class Name Class A
Trading Symbol FGAQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Georgia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$45
0.89%
[83]
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89%
Net Assets $ 308,434,881
Holdings Count | $ / shares 112 [84]
Investment Company Portfolio Turnover 7.49%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$308,434,881
Total Number of Portfolio Holdings*
112
Portfolio Turnover Rate
7.49%
[84]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Georgia Tax-Free Income Fund
Class Name Class A1
Trading Symbol FTGAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Georgia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$38
0.74%
[85]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.74%
Net Assets $ 308,434,881
Holdings Count | $ / shares 112 [86]
Investment Company Portfolio Turnover 7.49%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$308,434,881
Total Number of Portfolio Holdings*
112
Portfolio Turnover Rate
7.49%
[86]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Georgia Tax-Free Income Fund
Class Name Class C
Trading Symbol FGAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Georgia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$65
1.28%
[87]
Expenses Paid, Amount $ 65
Expense Ratio, Percent 1.28%
Net Assets $ 308,434,881
Holdings Count | $ / shares 112 [88]
Investment Company Portfolio Turnover 7.49%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$308,434,881
Total Number of Portfolio Holdings*
112
Portfolio Turnover Rate
7.49%
[88]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Georgia Tax-Free Income Fund
Class Name Class R6
Trading Symbol FGFQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Georgia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$31
0.60%
[89]
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.60%
Net Assets $ 308,434,881
Holdings Count | $ / shares 112 [90]
Investment Company Portfolio Turnover 7.49%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$308,434,881
Total Number of Portfolio Holdings*
112
Portfolio Turnover Rate
7.49%
[90]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Georgia Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FGFZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Georgia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$33
0.64%
[91]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.64%
Net Assets $ 308,434,881
Holdings Count | $ / shares 112 [92]
Investment Company Portfolio Turnover 7.49%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$308,434,881
Total Number of Portfolio Holdings*
112
Portfolio Turnover Rate
7.49%
[92]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Louisiana Tax-Free Income Fund
Class Name Class A
Trading Symbol FQLAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Louisiana Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$46
0.90%
[93],[94]
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.90%
Net Assets $ 257,598,002
Holdings Count | $ / shares 114 [95]
Investment Company Portfolio Turnover 7.13%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$257,598,002
Total Number of Portfolio Holdings*
114
Portfolio Turnover Rate
7.13%
[95]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Louisiana Tax-Free Income Fund
Class Name Class A1
Trading Symbol FKLAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Louisiana Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$38
0.75%
[96],[97]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.75%
Net Assets $ 257,598,002
Holdings Count | $ / shares 114 [98]
Investment Company Portfolio Turnover 7.13%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$257,598,002
Total Number of Portfolio Holdings*
114
Portfolio Turnover Rate
7.13%
[98]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Louisiana Tax-Free Income Fund
Class Name Class C
Trading Symbol FLAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Louisiana Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$66
1.29%
[99],[100]
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.29%
Net Assets $ 257,598,002
Holdings Count | $ / shares 114 [101]
Investment Company Portfolio Turnover 7.13%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$257,598,002
Total Number of Portfolio Holdings*
114
Portfolio Turnover Rate
7.13%
[101]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Louisiana Tax-Free Income Fund
Class Name Class R6
Trading Symbol FLAQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Louisiana Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$31
0.61%
[102],[103]
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.61%
Net Assets $ 257,598,002
Holdings Count | $ / shares 114 [104]
Investment Company Portfolio Turnover 7.13%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$257,598,002
Total Number of Portfolio Holdings*
114
Portfolio Turnover Rate
7.13%
[104]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Louisiana Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FLTZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Louisiana Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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*,†
Advisor Class
$33
0.65%
[105],[106]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.65%
Net Assets $ 257,598,002
Holdings Count | $ / shares 114 [107]
Investment Company Portfolio Turnover 7.13%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$257,598,002
Total Number of Portfolio Holdings*
114
Portfolio Turnover Rate
7.13%
[107]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Maryland Tax-Free Income Fund
Class Name Class A
Trading Symbol FQMDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Maryland Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$45
0.89%
[108],[109]
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89%
Net Assets $ 310,467,294
Holdings Count | $ / shares 104 [110]
Investment Company Portfolio Turnover 3.62%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$310,467,294
Total Number of Portfolio Holdings*
104
Portfolio Turnover Rate
3.62%
[110]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Maryland Tax-Free Income Fund
Class Name Class A1
Trading Symbol FMDTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Maryland Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$38
0.74%
[111],[112]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.74%
Net Assets $ 310,467,294
Holdings Count | $ / shares 104 [113]
Investment Company Portfolio Turnover 3.62%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$310,467,294
Total Number of Portfolio Holdings*
104
Portfolio Turnover Rate
3.62%
[113]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Maryland Tax-Free Income Fund
Class Name Class C
Trading Symbol FMDIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Maryland Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$65
1.28%
[114],[115]
Expenses Paid, Amount $ 65
Expense Ratio, Percent 1.28%
Net Assets $ 310,467,294
Holdings Count | $ / shares 104 [116]
Investment Company Portfolio Turnover 3.62%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$310,467,294
Total Number of Portfolio Holdings*
104
Portfolio Turnover Rate
3.62%
[116]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Maryland Tax-Free Income Fund
Class Name Class R6
Trading Symbol FMDQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Maryland Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$31
0.60%
[117]
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.60%
Net Assets $ 310,467,294
Holdings Count | $ / shares 104 [118]
Investment Company Portfolio Turnover 3.62%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$310,467,294
Total Number of Portfolio Holdings*
104
Portfolio Turnover Rate
3.62%
[118]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Maryland Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FMDZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Maryland Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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*,†
Advisor Class
$33
0.64%
[119],[120]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.64%
Net Assets $ 310,467,294
Holdings Count | $ / shares 104 [121]
Investment Company Portfolio Turnover 3.62%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$310,467,294
Total Number of Portfolio Holdings*
104
Portfolio Turnover Rate
3.62%
[121]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Missouri Tax-Free Income Fund
Class Name Class A
Trading Symbol FMQOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Missouri Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$42
0.82%
[122]
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.82%
Net Assets $ 675,291,176
Holdings Count | $ / shares 179 [123]
Investment Company Portfolio Turnover 3.36%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$675,291,176
Total Number of Portfolio Holdings*
179
Portfolio Turnover Rate
3.36%
[123]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Missouri Tax-Free Income Fund
Class Name Class A1
Trading Symbol FRMOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Missouri Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$34
0.67%
[124]
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.67%
Net Assets $ 675,291,176
Holdings Count | $ / shares 179 [125]
Investment Company Portfolio Turnover 3.36%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$675,291,176
Total Number of Portfolio Holdings*
179
Portfolio Turnover Rate
3.36%
[125]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Missouri Tax-Free Income Fund
Class Name Class C
Trading Symbol FMOIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Missouri Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$62
1.22%
[126]
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.22%
Net Assets $ 675,291,176
Holdings Count | $ / shares 179 [127]
Investment Company Portfolio Turnover 3.36%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$675,291,176
Total Number of Portfolio Holdings*
179
Portfolio Turnover Rate
3.36%
[127]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Missouri Tax-Free Income Fund
Class Name Class R6
Trading Symbol FMOQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Missouri Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$28
0.54%
[128]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.54%
Net Assets $ 675,291,176
Holdings Count | $ / shares 179 [129]
Investment Company Portfolio Turnover 3.36%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$675,291,176
Total Number of Portfolio Holdings*
179
Portfolio Turnover Rate
3.36%
[129]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Missouri Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FRMZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Missouri Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$29
0.57%
[130]
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.57%
Net Assets $ 675,291,176
Holdings Count | $ / shares 179 [131]
Investment Company Portfolio Turnover 3.36%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$675,291,176
Total Number of Portfolio Holdings*
179
Portfolio Turnover Rate
3.36%
[131]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin North Carolina Tax-Free Income Fund
Class Name Class A
Trading Symbol FQNCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin North Carolina Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$43
0.84%
[132]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.84%
Net Assets $ 579,550,308
Holdings Count | $ / shares 199 [133]
Investment Company Portfolio Turnover 6.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$579,550,308
Total Number of Portfolio Holdings*
199
Portfolio Turnover Rate
6.06%
[133]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin North Carolina Tax-Free Income Fund
Class Name Class A1
Trading Symbol FXNCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin North Carolina Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$35
0.69%
[134]
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.69%
Net Assets $ 579,550,308
Holdings Count | $ / shares 199 [135]
Investment Company Portfolio Turnover 6.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$579,550,308
Total Number of Portfolio Holdings*
199
Portfolio Turnover Rate
6.06%
[135]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin North Carolina Tax-Free Income Fund
Class Name Class C
Trading Symbol FNCIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin North Carolina Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$63
1.23%
[136]
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.23%
Net Assets $ 579,550,308
Holdings Count | $ / shares 199 [137]
Investment Company Portfolio Turnover 6.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$579,550,308
Total Number of Portfolio Holdings*
199
Portfolio Turnover Rate
6.06%
[137]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin North Carolina Tax-Free Income Fund
Class Name Class R6
Trading Symbol FNCQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin North Carolina Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$28
0.55%
[138]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.55%
Net Assets $ 579,550,308
Holdings Count | $ / shares 199 [139]
Investment Company Portfolio Turnover 6.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$579,550,308
Total Number of Portfolio Holdings*
199
Portfolio Turnover Rate
6.06%
[139]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin North Carolina Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FNCZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin North Carolina Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$30
0.59%
[140]
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.59%
Net Assets $ 579,550,308
Holdings Count | $ / shares 199 [141]
Investment Company Portfolio Turnover 6.06%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$579,550,308
Total Number of Portfolio Holdings*
199
Portfolio Turnover Rate
6.06%
[141]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Virginia Tax-Free Income Fund
Class Name Class A
Trading Symbol FVAQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Virginia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$44
0.87%
[142]
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.87%
Net Assets $ 414,356,649
Holdings Count | $ / shares 138 [143]
Investment Company Portfolio Turnover 7.21%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$414,356,649
Total Number of Portfolio Holdings*
138
Portfolio Turnover Rate
7.21%
[143]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Virginia Tax-Free Income Fund
Class Name Class A1
Trading Symbol FRVAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Virginia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$37
0.72%
[144]
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.72%
Net Assets $ 414,356,649
Holdings Count | $ / shares 138 [145]
Investment Company Portfolio Turnover 7.21%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$414,356,649
Total Number of Portfolio Holdings*
138
Portfolio Turnover Rate
7.21%
[145]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Virginia Tax-Free Income Fund
Class Name Class C
Trading Symbol FVAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Virginia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$64
1.26%
[146]
Expenses Paid, Amount $ 64
Expense Ratio, Percent 1.26%
Net Assets $ 414,356,649
Holdings Count | $ / shares 138 [147]
Investment Company Portfolio Turnover 7.21%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$414,356,649
Total Number of Portfolio Holdings*
138
Portfolio Turnover Rate
7.21%
[147]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Virginia Tax-Free Income Fund
Class Name Class R6
Trading Symbol FRVRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Virginia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$30
0.58%
[148]
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.58%
Net Assets $ 414,356,649
Holdings Count | $ / shares 138 [149]
Investment Company Portfolio Turnover 7.21%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$414,356,649
Total Number of Portfolio Holdings*
138
Portfolio Turnover Rate
7.21%
[149]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Virginia Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FRVZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Virginia Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$32
0.62%
[150]
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.62%
Net Assets $ 414,356,649
Holdings Count | $ / shares 138 [151]
Investment Company Portfolio Turnover 7.21%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$414,356,649
Total Number of Portfolio Holdings*
138
Portfolio Turnover Rate
7.21%
[151]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Arizona Tax-Free Income Fund
Class Name Class A
Trading Symbol FAZQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Arizona Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$42
0.82%
[152]
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.82%
Net Assets $ 716,776,252
Holdings Count | $ / shares 185 [153]
Investment Company Portfolio Turnover 5.85%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$716,776,252
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
5.85%
[153]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Arizona Tax-Free Income Fund
Class Name Class A1
Trading Symbol FTAZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Arizona Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$34
0.67%
[154]
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.67%
Net Assets $ 716,776,252
Holdings Count | $ / shares 185 [155]
Investment Company Portfolio Turnover 5.85%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$716,776,252
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
5.85%
[155]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Arizona Tax-Free Income Fund
Class Name Class C
Trading Symbol FAZIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Arizona Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$62
1.21%
[156]
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.21%
Net Assets $ 716,776,252
Holdings Count | $ / shares 185 [157]
Investment Company Portfolio Turnover 5.85%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$716,776,252
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
5.85%
[157]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Arizona Tax-Free Income Fund
Class Name Class R6
Trading Symbol FAZRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Arizona Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$28
0.54%
[158]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.54%
Net Assets $ 716,776,252
Holdings Count | $ / shares 185 [159]
Investment Company Portfolio Turnover 5.85%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$716,776,252
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
5.85%
[159]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Arizona Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FAZZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Arizona Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$29
0.57%
[160]
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.57%
Net Assets $ 716,776,252
Holdings Count | $ / shares 185 [161]
Investment Company Portfolio Turnover 5.85%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$716,776,252
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
5.85%
[161]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Colorado Tax-Free Income Fund
Class Name Class A
Trading Symbol FCOQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Colorado Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$43
0.85%
[162]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Net Assets $ 498,156,543
Holdings Count | $ / shares 176 [163]
Investment Company Portfolio Turnover 5.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$498,156,543
Total Number of Portfolio Holdings*
176
Portfolio Turnover Rate
5.64%
[163]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Colorado Tax-Free Income Fund
Class Name Class A1
Trading Symbol FRCOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Colorado Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$36
0.70%
[164]
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.70%
Net Assets $ 498,156,543
Holdings Count | $ / shares 176 [165]
Investment Company Portfolio Turnover 5.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$498,156,543
Total Number of Portfolio Holdings*
176
Portfolio Turnover Rate
5.64%
[165]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Colorado Tax-Free Income Fund
Class Name Class C
Trading Symbol FCOIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Colorado Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$63
1.24%
[166]
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.24%
Net Assets $ 498,156,543
Holdings Count | $ / shares 176 [167]
Investment Company Portfolio Turnover 5.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$498,156,543
Total Number of Portfolio Holdings*
176
Portfolio Turnover Rate
5.64%
[167]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Colorado Tax-Free Income Fund
Class Name Class R6
Trading Symbol FKTLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Colorado Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$29
0.56%
[168]
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.56%
Net Assets $ 498,156,543
Holdings Count | $ / shares 176 [169]
Investment Company Portfolio Turnover 5.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$498,156,543
Total Number of Portfolio Holdings*
176
Portfolio Turnover Rate
5.64%
[169]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Colorado Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FCOZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Colorado Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$31
0.60%
[170]
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.60%
Net Assets $ 498,156,543
Holdings Count | $ / shares 176 [171]
Investment Company Portfolio Turnover 5.64%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$498,156,543
Total Number of Portfolio Holdings*
176
Portfolio Turnover Rate
5.64%
[171]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Connecticut Tax-Free Income Fund
Class Name Class A
Trading Symbol FQCTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Connecticut Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$46
0.90%
[172],[173]
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.90%
Net Assets $ 143,582,908
Holdings Count | $ / shares 81 [174]
Investment Company Portfolio Turnover 5.39%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$143,582,908
Total Number of Portfolio Holdings*
81
Portfolio Turnover Rate
5.39%
[174]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Connecticut Tax-Free Income Fund
Class Name Class A1
Trading Symbol FXCTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Connecticut Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$38
0.75%
[175],[176]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.75%
Net Assets $ 143,582,908
Holdings Count | $ / shares 81 [177]
Investment Company Portfolio Turnover 5.39%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Connecticut Tax-Free Income Fund
Class Name Class C
Trading Symbol FCTIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Connecticut Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$66
1.29%
[178],[179]
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.29%
Net Assets $ 143,582,908
Holdings Count | $ / shares 81 [180]
Investment Company Portfolio Turnover 5.39%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$143,582,908
Total Number of Portfolio Holdings*
81
Portfolio Turnover Rate
5.39%
[180]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Connecticut Tax-Free Income Fund
Class Name Class R6
Trading Symbol FCTQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Connecticut Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$32
0.62%
[181],[182]
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.62%
Net Assets $ 143,582,908
Holdings Count | $ / shares 81 [183]
Investment Company Portfolio Turnover 5.39%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$143,582,908
Total Number of Portfolio Holdings*
81
Portfolio Turnover Rate
5.39%
[183]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Connecticut Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FCNZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Connecticut Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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*,†
Advisor Class
$33
0.65%
[184],[185]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.65%
Net Assets $ 143,582,908
Holdings Count | $ / shares 81 [186]
Investment Company Portfolio Turnover 5.39%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$143,582,908
Total Number of Portfolio Holdings*
81
Portfolio Turnover Rate
5.39%
[186]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Michigan Tax-Free Income Fund
Class Name Class A
Trading Symbol FMQTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Michigan Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$42
0.83%
[187]
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.83%
Net Assets $ 670,898,689
Holdings Count | $ / shares 221 [188]
Investment Company Portfolio Turnover 4.77%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$670,898,689
Total Number of Portfolio Holdings*
221
Portfolio Turnover Rate
4.77%
[188]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Michigan Tax-Free Income Fund
Class Name Class A1
Trading Symbol FTTMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Michigan Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$35
0.68%
[189]
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.68%
Net Assets $ 670,898,689
Holdings Count | $ / shares 221 [190]
Investment Company Portfolio Turnover 4.77%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$670,898,689
Total Number of Portfolio Holdings*
221
Portfolio Turnover Rate
4.77%
[190]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Michigan Tax-Free Income Fund
Class Name Class C
Trading Symbol FRMTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Michigan Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$62
1.22%
[191]
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.22%
Net Assets $ 670,898,689
Holdings Count | $ / shares 221 [192]
Investment Company Portfolio Turnover 4.77%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$670,898,689
Total Number of Portfolio Holdings*
221
Portfolio Turnover Rate
4.77%
[192]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Michigan Tax-Free Income Fund
Class Name Class R6
Trading Symbol FKTNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Michigan Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$28
0.55%
[193]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.55%
Net Assets $ 670,898,689
Holdings Count | $ / shares 221 [194]
Investment Company Portfolio Turnover 4.77%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$670,898,689
Total Number of Portfolio Holdings*
221
Portfolio Turnover Rate
4.77%
[194]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Michigan Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FMTFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Michigan Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$30
0.58%
[195]
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.58%
Net Assets $ 670,898,689
Holdings Count | $ / shares 221 [196]
Investment Company Portfolio Turnover 4.77%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$670,898,689
Total Number of Portfolio Holdings*
221
Portfolio Turnover Rate
4.77%
[196]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Minnesota Tax-Free Income Fund
Class Name Class A
Trading Symbol FMNQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Minnesota Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$43
0.84%
[197]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.84%
Net Assets $ 690,011,698
Holdings Count | $ / shares 198 [198]
Investment Company Portfolio Turnover 1.54%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$690,011,698
Total Number of Portfolio Holdings*
198
Portfolio Turnover Rate
1.54%
[198]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Minnesota Tax-Free Income Fund
Class Name Class A1
Trading Symbol FMINX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Minnesota Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$35
0.69%
[199]
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.69%
Net Assets $ 690,011,698
Holdings Count | $ / shares 198 [200]
Investment Company Portfolio Turnover 1.54%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$690,011,698
Total Number of Portfolio Holdings*
198
Portfolio Turnover Rate
1.54%
[200]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Minnesota Tax-Free Income Fund
Class Name Class C
Trading Symbol FMNIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Minnesota Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$63
1.24%
[201]
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.24%
Net Assets $ 690,011,698
Holdings Count | $ / shares 198 [202]
Investment Company Portfolio Turnover 1.54%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$690,011,698
Total Number of Portfolio Holdings*
198
Portfolio Turnover Rate
1.54%
[202]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Minnesota Tax-Free Income Fund
Class Name Class R6
Trading Symbol FKTDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Minnesota Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$28
0.55%
[203]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.55%
Net Assets $ 690,011,698
Holdings Count | $ / shares 198 [204]
Investment Company Portfolio Turnover 1.54%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$690,011,698
Total Number of Portfolio Holdings*
198
Portfolio Turnover Rate
1.54%
[204]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Minnesota Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FMNZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Minnesota Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$30
0.59%
[205]
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.59%
Net Assets $ 690,011,698
Holdings Count | $ / shares 198 [206]
Investment Company Portfolio Turnover 1.54%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$690,011,698
Total Number of Portfolio Holdings*
198
Portfolio Turnover Rate
1.54%
[206]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Ohio Tax-Free Income Fund
Class Name Class A
Trading Symbol FOHQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Ohio Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$41
0.81%
[207]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.81%
Net Assets $ 1,033,352,287
Holdings Count | $ / shares 252 [208]
Investment Company Portfolio Turnover 3.75%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$1,033,352,287
Total Number of Portfolio Holdings*
252
Portfolio Turnover Rate
3.75%
[208]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Ohio Tax-Free Income Fund
Class Name Class A1
Trading Symbol FTOIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Ohio Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$34
0.66%
[209]
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.66%
Net Assets $ 1,033,352,287
Holdings Count | $ / shares 252 [210]
Investment Company Portfolio Turnover 3.75%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$1,033,352,287
Total Number of Portfolio Holdings*
252
Portfolio Turnover Rate
3.75%
[210]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Ohio Tax-Free Income Fund
Class Name Class C
Trading Symbol FOITX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Ohio Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$61
1.20%
[211]
Expenses Paid, Amount $ 61
Expense Ratio, Percent 1.20%
Net Assets $ 1,033,352,287
Holdings Count | $ / shares 252 [212]
Investment Company Portfolio Turnover 3.75%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$1,033,352,287
Total Number of Portfolio Holdings*
252
Portfolio Turnover Rate
3.75%
[212]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Ohio Tax-Free Income Fund
Class Name Class R6
Trading Symbol FKTOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Ohio Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$27
0.53%
[213],[214]
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.53%
Net Assets $ 1,033,352,287
Holdings Count | $ / shares 252 [215]
Investment Company Portfolio Turnover 3.75%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$1,033,352,287
Total Number of Portfolio Holdings*
252
Portfolio Turnover Rate
3.75%
[215]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Ohio Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FROZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Ohio Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$29
0.56%
[216]
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.56%
Net Assets $ 1,033,352,287
Holdings Count | $ / shares 252 [217]
Investment Company Portfolio Turnover 3.75%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$1,033,352,287
Total Number of Portfolio Holdings*
252
Portfolio Turnover Rate
3.75%
[217]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Oregon Tax-Free Income Fund
Class Name Class A
Trading Symbol FOFQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Oregon Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$41
0.81%
[218]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.81%
Net Assets $ 884,356,725
Holdings Count | $ / shares 185 [219]
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$884,356,725
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
6.00%
[219]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Oregon Tax-Free Income Fund
Class Name Class A1
Trading Symbol FRORX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Oregon Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$34
0.66%
[220]
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.66%
Net Assets $ 884,356,725
Holdings Count | $ / shares 185 [221]
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$884,356,725
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
6.00%
[221]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Oregon Tax-Free Income Fund
Class Name Class C
Trading Symbol FORIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Oregon Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$61
1.20%
[222]
Expenses Paid, Amount $ 61
Expense Ratio, Percent 1.20%
Net Assets $ 884,356,725
Holdings Count | $ / shares 185 [223]
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$884,356,725
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
6.00%
[223]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Oregon Tax-Free Income Fund
Class Name Class R6
Trading Symbol FOFRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Oregon Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$27
0.53%
[224]
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.53%
Net Assets $ 884,356,725
Holdings Count | $ / shares 185 [225]
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$884,356,725
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
6.00%
[225]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Oregon Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FOFZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Oregon Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$29
0.56%
[226]
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.56%
Net Assets $ 884,356,725
Holdings Count | $ / shares 185 [227]
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$884,356,725
Total Number of Portfolio Holdings*
185
Portfolio Turnover Rate
6.00%
[227]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Pennsylvania Tax-Free Income Fund
Class Name Class A
Trading Symbol FPAQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Pennsylvania Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$42
0.83%
[228]
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.83%
Net Assets $ 680,855,506
Holdings Count | $ / shares 205 [229]
Investment Company Portfolio Turnover 7.14%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$680,855,506
Total Number of Portfolio Holdings*
205
Portfolio Turnover Rate
7.14%
[229]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A1  
Shareholder Report [Line Items]  
Fund Name Franklin Pennsylvania Tax-Free Income Fund
Class Name Class A1
Trading Symbol FRPAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Pennsylvania Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$35
0.68%
[230]
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.68%
Net Assets $ 680,855,506
Holdings Count | $ / shares 205 [231]
Investment Company Portfolio Turnover 7.14%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$680,855,506
Total Number of Portfolio Holdings*
205
Portfolio Turnover Rate
7.14%
[231]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Pennsylvania Tax-Free Income Fund
Class Name Class C
Trading Symbol FRPTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Pennsylvania Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$62
1.22%
[232]
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.22%
Net Assets $ 680,855,506
Holdings Count | $ / shares 205 [233]
Investment Company Portfolio Turnover 7.14%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$680,855,506
Total Number of Portfolio Holdings*
205
Portfolio Turnover Rate
7.14%
[233]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R6  
Shareholder Report [Line Items]  
Fund Name Franklin Pennsylvania Tax-Free Income Fund
Class Name Class R6
Trading Symbol FRPRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Pennsylvania Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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
$28
0.54%
[234]
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.54%
Net Assets $ 680,855,506
Holdings Count | $ / shares 205 [235]
Investment Company Portfolio Turnover 7.14%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$680,855,506
Total Number of Portfolio Holdings*
205
Portfolio Turnover Rate
7.14%
[235]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Advisor Class  
Shareholder Report [Line Items]  
Fund Name Franklin Pennsylvania Tax-Free Income Fund
Class Name Advisor Class
Trading Symbol FPFZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Pennsylvania Tax-Free Income Fund for the period March 1, 2024, to August 31, 2024.
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) DIAL BEN/342-5236.
Additional Information Phone Number (800) DIAL BEN/342-5236
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†
Advisor Class
$30
0.58%
[236]
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.58%
Net Assets $ 680,855,506
Holdings Count | $ / shares 205 [237]
Investment Company Portfolio Turnover 7.14%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of August 31, 2024)
Total Net Assets
$680,855,506
Total Number of Portfolio Holdings*
205
Portfolio Turnover Rate
7.14%
[237]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
[1]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[2]
† Annualized.
[3]
* Does not include derivatives, except purchased options, if any.  
[4]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[5]
† Annualized.
[6]
* Does not include derivatives, except purchased options, if any.  
[7]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[8]
† Annualized.
[9]
* Does not include derivatives, except purchased options, if any.  
[10]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[11]
† Annualized.
[12]
* Does not include derivatives, except purchased options, if any.  
[13]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[14]
† Annualized.
[15]
* Does not include derivatives, except purchased options, if any.  
[16]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[17]
† Annualized.
[18]
* Does not include derivatives, except purchased options, if any.  
[19]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[20]
† Annualized.
[21]
* Does not include derivatives, except purchased options, if any.  
[22]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[23]
† Annualized.
[24]
* Does not include derivatives, except purchased options, if any.  
[25]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[26]
† Annualized.
[27]
* Does not include derivatives, except purchased options, if any.  
[28]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[29]
† Annualized.
[30]
* Does not include derivatives, except purchased options, if any.  
[31]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[32]
† Annualized.
[33]
* Does not include derivatives, except purchased options, if any.  
[34]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[35]
† Annualized.
[36]
* Does not include derivatives, except purchased options, if any.  
[37]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[38]
† Annualized.
[39]
* Does not include derivatives, except purchased options, if any.  
[40]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[41]
† Annualized.
[42]
* Does not include derivatives, except purchased options, if any.  
[43]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[44]
† Annualized.
[45]
* Does not include derivatives, except purchased options, if any.  
[46]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[47]
† Annualized.
[48]
* Does not include derivatives, except purchased options, if any.  
[49]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[50]
† Annualized.
[51]
* Does not include derivatives, except purchased options, if any.  
[52]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[53]
† Annualized.
[54]
* Does not include derivatives, except purchased options, if any.  
[55]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[56]
† Annualized.
[57]
* Does not include derivatives, except purchased options, if any.  
[58]
† Annualized.
[59]
* Does not include derivatives, except purchased options, if any.  
[60]
† Annualized.
[61]
* Does not include derivatives, except purchased options, if any.  
[62]
† Annualized.
[63]
* Does not include derivatives, except purchased options, if any.  
[64]
† Annualized.
[65]
* Does not include derivatives, except purchased options, if any.  
[66]
† Annualized.
[67]
* Does not include derivatives, except purchased options, if any.  
[68]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[69]
† Annualized.
[70]
* Does not include derivatives, except purchased options, if any.  
[71]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[72]
† Annualized.
[73]
* Does not include derivatives, except purchased options, if any.  
[74]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[75]
† Annualized.
[76]
* Does not include derivatives, except purchased options, if any.  
[77]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[78]
† Annualized.
[79]
* Does not include derivatives, except purchased options, if any.  
[80]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[81]
† Annualized.
[82]
* Does not include derivatives, except purchased options, if any.  
[83]
† Annualized.
[84]
* Does not include derivatives, except purchased options, if any.  
[85]
† Annualized.
[86]
* Does not include derivatives, except purchased options, if any.  
[87]
† Annualized.
[88]
* Does not include derivatives, except purchased options, if any.  
[89]
† Annualized.
[90]
* Does not include derivatives, except purchased options, if any.  
[91]
† Annualized.
[92]
* Does not include derivatives, except purchased options, if any.  
[93]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[94]
† Annualized.
[95]
* Does not include derivatives, except purchased options, if any.  
[96]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[97]
† Annualized.
[98]
* Does not include derivatives, except purchased options, if any.  
[99]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[100]
† Annualized.
[101]
* Does not include derivatives, except purchased options, if any.  
[102]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[103]
† Annualized.
[104]
* Does not include derivatives, except purchased options, if any.  
[105]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[106]
† Annualized.
[107]
* Does not include derivatives, except purchased options, if any.  
[108]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[109]
† Annualized.
[110]
* Does not include derivatives, except purchased options, if any.  
[111]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[112]
† Annualized.
[113]
* Does not include derivatives, except purchased options, if any.  
[114]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[115]
† Annualized.
[116]
* Does not include derivatives, except purchased options, if any.  
[117]
† Annualized.
[118]
* Does not include derivatives, except purchased options, if any.  
[119]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[120]
† Annualized.
[121]
* Does not include derivatives, except purchased options, if any.  
[122]
† Annualized.
[123]
* Does not include derivatives, except purchased options, if any.  
[124]
† Annualized.
[125]
* Does not include derivatives, except purchased options, if any.  
[126]
† Annualized.
[127]
* Does not include derivatives, except purchased options, if any.  
[128]
† Annualized.
[129]
* Does not include derivatives, except purchased options, if any.  
[130]
† Annualized.
[131]
* Does not include derivatives, except purchased options, if any.  
[132]
† Annualized.
[133]
* Does not include derivatives, except purchased options, if any.  
[134]
† Annualized.
[135]
* Does not include derivatives, except purchased options, if any.  
[136]
† Annualized.
[137]
* Does not include derivatives, except purchased options, if any.  
[138]
† Annualized.
[139]
* Does not include derivatives, except purchased options, if any.  
[140]
† Annualized.
[141]
* Does not include derivatives, except purchased options, if any.  
[142]
† Annualized.
[143]
* Does not include derivatives, except purchased options, if any.  
[144]
† Annualized.
[145]
* Does not include derivatives, except purchased options, if any.  
[146]
† Annualized.
[147]
* Does not include derivatives, except purchased options, if any.  
[148]
† Annualized.
[149]
* Does not include derivatives, except purchased options, if any.  
[150]
† Annualized.
[151]
* Does not include derivatives, except purchased options, if any.  
[152]
† Annualized.
[153]
* Does not include derivatives, except purchased options, if any.  
[154]
† Annualized.
[155]
* Does not include derivatives, except purchased options, if any.  
[156]
† Annualized.
[157]
* Does not include derivatives, except purchased options, if any.  
[158]
† Annualized.
[159]
* Does not include derivatives, except purchased options, if any.  
[160]
† Annualized.
[161]
* Does not include derivatives, except purchased options, if any.  
[162]
† Annualized.
[163]
* Does not include derivatives, except purchased options, if any.  
[164]
† Annualized.
[165]
* Does not include derivatives, except purchased options, if any.  
[166]
† Annualized.
[167]
* Does not include derivatives, except purchased options, if any.  
[168]
† Annualized.
[169]
* Does not include derivatives, except purchased options, if any.  
[170]
† Annualized.
[171]
* Does not include derivatives, except purchased options, if any.  
[172]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[173]
† Annualized.
[174]
* Does not include derivatives, except purchased options, if any.  
[175]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[176]
† Annualized.
[177]
* Does not include derivatives, except purchased options, if any.  
[178]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[179]
† Annualized.
[180]
* Does not include derivatives, except purchased options, if any.  
[181]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[182]
† Annualized.
[183]
* Does not include derivatives, except purchased options, if any.  
[184]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[185]
† Annualized.
[186]
* Does not include derivatives, except purchased options, if any.  
[187]
† Annualized.
[188]
* Does not include derivatives, except purchased options, if any.  
[189]
† Annualized.
[190]
* Does not include derivatives, except purchased options, if any.  
[191]
† Annualized.
[192]
* Does not include derivatives, except purchased options, if any.  
[193]
† Annualized.
[194]
* Does not include derivatives, except purchased options, if any.  
[195]
† Annualized.
[196]
* Does not include derivatives, except purchased options, if any.  
[197]
† Annualized.
[198]
* Does not include derivatives, except purchased options, if any.  
[199]
† Annualized.
[200]
* Does not include derivatives, except purchased options, if any.  
[201]
† Annualized.
[202]
* Does not include derivatives, except purchased options, if any.  
[203]
† Annualized.
[204]
* Does not include derivatives, except purchased options, if any.  
[205]
† Annualized.
[206]
* Does not include derivatives, except purchased options, if any.  
[207]
† Annualized.
[208]
* Does not include derivatives, except purchased options, if any.  
[209]
† Annualized.
[210]
* Does not include derivatives, except purchased options, if any.  
[211]
† Annualized.
[212]
* Does not include derivatives, except purchased options, if any.  
[213]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[214]
† Annualized.
[215]
* Does not include derivatives, except purchased options, if any.  
[216]
† Annualized.
[217]
* Does not include derivatives, except purchased options, if any.  
[218]
† Annualized.
[219]
* Does not include derivatives, except purchased options, if any.  
[220]
† Annualized.
[221]
* Does not include derivatives, except purchased options, if any.  
[222]
† Annualized.
[223]
* Does not include derivatives, except purchased options, if any.  
[224]
† Annualized.
[225]
* Does not include derivatives, except purchased options, if any.  
[226]
† Annualized.
[227]
* Does not include derivatives, except purchased options, if any.  
[228]
† Annualized.
[229]
* Does not include derivatives, except purchased options, if any.  
[230]
† Annualized.
[231]
* Does not include derivatives, except purchased options, if any.  
[232]
† Annualized.
[233]
* Does not include derivatives, except purchased options, if any.  
[234]
† Annualized.
[235]
* Does not include derivatives, except purchased options, if any.  
[236]
† Annualized.
[237]
* Does not include derivatives, except purchased options, if any.