Shareholder Report, Line Graph (Details) 1014026_Franklin FTSE United Kingdom 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 United Kingdom ETF | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | Franklin FTSE United Kingdom ETF (NAV) | |||||||||
| Accumulated Value | $ 14,994 | $ 13,146 | $ 11,718 | $ 11,802 | $ 10,702 | $ 7,858 | $ 10,128 | $ 10,180 | $ 10,000 | $ 18,703 |
| FTSE UK Index-NR [Member] | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | FTSE UK Index-NR | |||||||||
| Accumulated Value | 14,943 | 13,082 | 11,648 | 11,722 | 10,624 | 7,801 | 10,048 | 10,082 | 10,000 | $ 18,657 |
| FTSE UK Capped Index-NR [Member] | ||||||||||
| Account Value [Line Items] | ||||||||||
| Line Graph and Table Measure Name | FTSE UK Capped Index-NR | |||||||||
| Accumulated Value | $ 14,943 | $ 13,082 | $ 11,648 | $ 11,722 | $ 10,624 | $ 7,801 | $ 10,048 | $ 10,082 | $ 10,000 | $ 18,657 |