Investment Objectives and Goals |
Feb. 28, 2026 |
|---|---|
| MFS Active International Value ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | MFS® Active International Value ETF Summary of Key Information |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The fund’s investment objective is to seek capital appreciation. |
| MFS Blended Research Small-Mid Cap ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | MFS® Blended Research® Small-Mid Cap ETF Summary of Key Information |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The fund’s investment objective is to seek capital appreciation. |