Shareholder Report, Average Annual Return (Details) 1014040_Franklin International Aggregate Bond ETF_Single Class_TSR Annual {Single Class} |
12 Months Ended | 60 Months Ended | 94 Months Ended |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2026 |
Mar. 31, 2026 |
|
| Franklin International Aggregate Bond ETF | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Franklin International Aggregate Bond ETF (NAV) | ||
| Average Annual Return, Percent | 2.58% | 0.72% | 1.06% |
| Bloomberg Global Aggregate Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg Global Aggregate Index | ||
| Average Annual Return, Percent | 4.26% | (1.46%) | 0.46% |
| Bloomberg Global Aggregate ex-USD Index Hedged USD [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg Global Aggregate ex-USD Index Hedged USD | ||
| Average Annual Return, Percent | 2.77% | 1.13% | 2.22% |