S000051686 [Member] Expense Example, No Redemption - Franklin U.S. Low Volatility High Dividend Index ETF - Franklin U.S. Low Volatility High Dividend Index ETF |
Mar. 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 28 |
| Expense Example, No Redemption, 3 Years | 87 |
| Expense Example, No Redemption, 5 Years | 152 |
| Expense Example, No Redemption, 10 Years | $ 343 |