Shareholder Report, Line Graph (Details) 1014028_Franklin FTSE Switzerland ETF_Single Class_TSR Annual {Single Class} - USD ($) |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
Mar. 31, 2022 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Mar. 31, 2019 |
Mar. 31, 2018 |
Feb. 06, 2018 |
Mar. 31, 2026 |
|
| Franklin FTSE Switzerland ETF | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | Franklin FTSE Switzerland ETF (NAV) | |||||||||
| Accumulated Value | $ 17,531 | $ 15,905 | $ 14,746 | $ 15,726 | $ 13,768 | $ 10,795 | $ 10,410 | $ 9,809 | $ 10,000 | $ 20,168 |
| FTSE Switzerland Index-NR [Member] | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | FTSE Switzerland Index-NR | |||||||||
| Accumulated Value | 16,834 | 15,244 | 14,300 | 15,331 | 13,449 | 10,830 | 10,466 | 9,789 | 10,000 | $ 19,392 |
| FTSE Switzerland Capped Index-NR [Member] | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | FTSE Switzerland Capped Index-NR | |||||||||
| Accumulated Value | $ 16,985 | $ 15,479 | $ 14,399 | $ 15,412 | $ 13,528 | $ 10,669 | $ 10,352 | $ 9,784 | $ 10,000 | $ 19,500 |