Shareholder Report, Average Annual Return (Details) 74200012800_Franklin New York Tax-Free Income Fund_Class A1_TSR Annual {Class A1} |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2026 |
Feb. 28, 2026 |
|
| Class A1 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A1 (with sales charge) | ||
| Average Annual Return, Percent | (0.02%) | 0.09% | 1.31% |
| Without Sales Load [Member] | Class A1 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class A1 | ||
| Average Annual Return, Percent | 3.89% | 0.86% | 1.70% |
| Bloomberg Municipal Bond Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg Municipal Bond Index | ||
| Average Annual Return, Percent | 4.96% | 1.44% | 2.43% |
| Bloomberg New York Municipal Bond Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg New York Municipal Bond Index | ||
| Average Annual Return, Percent | 4.65% | 1.47% | 2.29% |