S000051686 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Franklin U.S. Low Volatility High Dividend Index ETF | Franklin U.S. Low Volatility High Dividend Index ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.52% | 10.05% | (1.09%) | (1.58%) | 26.56% | (1.11%) | 22.57% | (5.18%) | 14.11% | 18.32% |