Shareholder Report, Line Graph (Details) 374408_Franklin Small Cap Enhanced ETF_Single Class_TSR Annual {Single Class} - USD ($) |
12 Months Ended | ||||
|---|---|---|---|---|---|
Feb. 28, 2026 |
Jan. 31, 2026 |
Dec. 31, 2025 |
Dec. 09, 2025 |
Mar. 31, 2026 |
|
| Franklin Small Cap Enhanced ETF | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Franklin Small Cap Enhanced ETF (NAV) | ||||
| Accumulated Value | $ 10,431 | $ 10,391 | $ 9,862 | $ 10,000 | $ 9,910 |
| Russell 1000 Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Russell 1000 Index | ||||
| Accumulated Value | 10,083 | 10,138 | 10,000 | 10,000 | $ 9,582 |
| Russell 2000 Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Russell 2000 Index | ||||
| Accumulated Value | $ 10,620 | $ 10,535 | $ 10,000 | $ 10,000 | $ 10,089 |