SPDR SSGA My2031 Municipal Bond ETF Investment Objectives and Goals - SPDR SSGA My2031 Municipal Bond ETF |
Sep. 10, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:12pt;text-transform:uppercase;">Fund Summary</span><span style="color:#000000;font-family:Arial;font-size:18pt;font-weight:bold;">SPDR</span><span style="color:#000000;font-family:Arial;font-size:11.5pt;font-weight:bold;position:relative;top:-5pt;">®</span><span style="color:#000000;font-family:Arial;font-size:18pt;font-weight:bold;"> SSGA My2031 Municipal Bond ETF</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Arial;font-size:10.5pt;font-weight:bold;margin-left:10.5pt;text-transform:uppercase;">Investment Objective</span> |
| Objective, Primary [Text Block] | The SPDR SSGA My2031 Municipal Bond ETF (the “Fund”) seeks to maximize current income that is exempt from regular federal income taxes while seeking preservation of capital. |