Shareholder Report, Average Annual Return (Details) 1014026_Franklin FTSE United Kingdom ETF_Single Class_TSR Annual {Single Class} |
12 Months Ended | 60 Months Ended | 101 Months Ended |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2026 |
Mar. 31, 2026 |
|
| Franklin FTSE United Kingdom ETF | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Franklin FTSE United Kingdom ETF (NAV) | ||
| Average Annual Return, Percent | 24.74% | 11.81% | 7.73% |
| FTSE UK Index-NR [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | FTSE UK Index-NR | ||
| Average Annual Return, Percent | 24.86% | 11.92% | 7.82% |
| FTSE UK Capped Index-NR [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | FTSE UK Capped Index-NR | ||
| Average Annual Return, Percent | 24.86% | 11.92% | 7.82% |