Shareholder Report, Average Annual Return (Details) 1014072_Franklin U.S. Dividend Booster Index ETF_Single Class_TSR Annual {Single Class} |
12 Months Ended | 14 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2026 |
|
| Franklin U.S. Dividend Booster Index ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Franklin U.S. Dividend Booster Index ETF (NAV) | |
| Average Annual Return, Percent | 19.12% | 13.20% |
| VettaFi U.S. Equity Large-Cap 500 Index [Member] | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | VettaFi U.S. Equity Large-Cap 500 Index | |
| Average Annual Return, Percent | 18.09% | 7.87% |
| VettaFi New Frontier U.S. Dividend Select Index [Member] | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | VettaFi New Frontier U.S. Dividend Select Index | |
| Average Annual Return, Percent | 19.32% | 13.37% |