Shareholder Report, Average Annual Return (Details) 9046789_Franklin Multisector Income ETF_Single Class_TSR Annual {Single Class} |
12 Months Ended | |
|---|---|---|
Aug. 26, 2025 |
Mar. 31, 2026 |
|
| Franklin Multisector Income ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Franklin Multisector Income ETF (NAV) | |
| Average Annual Return, Percent | 2.66% | |
| Bloomberg U.S. Aggregate Index [Member] | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | |
| Average Annual Return, Percent | 2.27% |