Shareholder Report, Line Graph (Details) 1014059_BrandywineGLOBAL - U.S. Fixed Income ETF_Single Class_TSR Annual {Single Class} - USD ($) |
12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
Sep. 30, 2023 |
Jul. 25, 2023 |
Mar. 31, 2026 |
|
| BrandywineGLOBAL - U.S. Fixed Income ETF | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | BrandywineGLOBAL - U.S. Fixed Income ETF (NAV) | |||||||||||
| Accumulated Value | $ 10,992 | $ 10,893 | $ 10,682 | $ 10,528 | $ 10,286 | $ 10,674 | $ 9,950 | $ 10,001 | $ 10,172 | $ 9,422 | $ 10,000 | $ 11,042 |
| Bloomberg U.S. Aggregate Index [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | |||||||||||
| Accumulated Value | $ 11,238 | $ 11,115 | $ 10,894 | $ 10,764 | $ 10,473 | $ 10,804 | $ 10,270 | $ 10,264 | $ 10,344 | $ 9,684 | $ 10,000 | $ 11,232 |