SPDR SSGA My2031 Municipal Bond ETF Performance Management - SPDR SSGA My2031 Municipal Bond ETF |
Sep. 10, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Fund Performance</span> |
| Performance Narrative [Text Block] | The Fund had not commenced operations as of the date of this Prospectus. Once the Fund has completed a full calendar year of operations, a bar chart and table will be included that will provide some indication of the risks of investing in the Fund by showing the variability of the Fund's returns based on net assets and comparing the Fund's performance to the Index. When available, updated performance information may be obtained by calling 1-866-787-2257 or visiting the Fund's website: www.statestreet.com/im. |
| Performance One Year or Less [Text] | <span style="color:#000000;font-family:Arial;font-size:10pt;">The Fund had not commenced operations as of the date of this Prospectus.</span> |
| Performance Availability Website Address [Text] | <span style="color:#000000;font-family:Arial;font-size:10pt;">www.statestreet.com/im</span> |
| Performance Availability Phone [Text] | <span style="color:#000000;font-family:Arial;font-size:10pt;">1-866-787-2257</span> |