State Street SPDR Portfolio TIPS Index ETF Investment Objectives and Goals - State Street SPDR Portfolio TIPS Index ETF |
Jun. 30, 2026 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:18pt;font-weight:bold;">State Street</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;"> 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;"> Portfolio TIPS Index ETF</span><span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">(formerly, State Street</span><span style="color:#000000;font-family:Arial;font-size:6.5pt;font-weight:bold;position:relative;top:-2.75pt;">®</span><span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;"> SPDR</span><span style="color:#000000;font-family:Arial;font-size:6.5pt;font-weight:bold;position:relative;top:-2.75pt;">®</span><span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;"> Portfolio TIPS 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 State Street SPDR Portfolio TIPS Index ETF (the “Fund”) seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of an index that tracks the inflation protected sector of the United States Treasury market. |