Shareholder Report, Line Graph (Details) 1014025_Franklin FTSE Europe 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 Europe ETF | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | Franklin FTSE Europe ETF (NAV) | |||||||||
| Accumulated Value | $ 15,312 | $ 14,268 | $ 12,432 | $ 12,270 | $ 11,879 | $ 8,123 | $ 9,607 | $ 9,974 | $ 10,000 | $ 18,340 |
| FTSE Developed Europe Index-NR [Member] | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | FTSE Developed Europe Index-NR | |||||||||
| Accumulated Value | 15,029 | 14,019 | 12,242 | 12,158 | 11,793 | 8,080 | 9,574 | 9,955 | 10,000 | $ 17,947 |
| FTSE Developed Europe Capped Index-NR [Member] | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | FTSE Developed Europe Capped Index-NR | |||||||||
| Accumulated Value | $ 15,029 | $ 14,019 | $ 12,242 | $ 12,158 | $ 11,793 | $ 8,080 | $ 9,574 | $ 9,955 | $ 10,000 | $ 17,947 |