| Label | Element | Value |
|---|---|---|
| Risk/Return: | rr_RiskReturnAbstract | |
| Supplement to Prospectus [Text Block] | rr_SupplementToProspectusTextBlock | SSGA Active Trust SPDR® Blackstone Senior Loan ETF (the “Fund”) Supplement dated September 27, 2022 to the Prospectus and Summary Prospectus dated October 31, 2021, as may be supplemented from time to time The name of the “S&P/LSTA U.S. Leveraged Loan 100 Index” has changed to the “Morningstar LSTA US Leveraged Loan 100 Index.” As a result, effective immediately, all references to the name of the index in the Prospectus and Summary Prospectus are updated accordingly.
|
| SPDR Blackstone Senior Loan ETF | ||
| Risk/Return: | rr_RiskReturnAbstract | |
| Supplement to Prospectus [Text Block] | rr_SupplementToProspectusTextBlock | SSGA Active Trust SPDR® Blackstone Senior Loan ETF (the “Fund”) Supplement dated September 27, 2022 to the Prospectus and Summary Prospectus dated October 31, 2021, as may be supplemented from time to time The name of the “S&P/LSTA U.S. Leveraged Loan 100 Index” has changed to the “Morningstar LSTA US Leveraged Loan 100 Index.” As a result, effective immediately, all references to the name of the index in the Prospectus and Summary Prospectus are updated accordingly.
|