Shareholder Report, Line Graph (Details) 1014031_Franklin FTSE Japan Hedged 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 |
Nov. 02, 2017 |
Mar. 31, 2026 |
|
| Franklin FTSE Japan Hedged ETF | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | Franklin FTSE Japan Hedged ETF (NAV) | |||||||||
| Accumulated Value | $ 21,060 | $ 20,531 | $ 13,830 | $ 12,788 | $ 12,545 | $ 8,721 | $ 9,445 | $ 9,623 | $ 10,000 | $ 29,287 |
| FTSE Japan Index-NR (USD) [Member] | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | FTSE Japan Index-NR | |||||||||
| Accumulated Value | 13,144 | 13,360 | 10,727 | 11,251 | 12,113 | 8,648 | 9,324 | 10,161 | 10,000 | $ 16,608 |
| FTSE Japan Capped Hedged Index-NR [Member] | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | FTSE Japan Capped Hedged Index-NR | |||||||||
| Accumulated Value | $ 21,152 | $ 20,638 | $ 13,927 | $ 12,851 | $ 12,597 | $ 8,763 | $ 9,472 | $ 9,651 | $ 10,000 | $ 29,393 |