Shareholder Report, Average Annual Return (Details) 1014058_Franklin Focused Growth ETF_Single Class_TSR Annual {Single Class} |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2026 |
Mar. 31, 2026 |
|
| Franklin Focused Growth ETF | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Franklin Focused Growth ETF (NAV) | ||
| Average Annual Return, Percent | 17.50% | 8.50% | 16.17% |
| Russell 3000 Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 3000 Index | ||
| Average Annual Return, Percent | 18.09% | 10.87% | 19.73% |
| Russell 1000 Growth Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 1000 Growth Index | ||
| Average Annual Return, Percent | 18.81% | 12.76% | 16.77% |