State Street SPDR Portfolio Intermediate Term Treasury Index ETF Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| State Street SPDR Portfolio Intermediate Term Treasury Index ETF | State Street SPDR Portfolio Intermediate Term Treasury Index ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.39% | 1.39% | 4.26% | (10.72%) | (2.53%) | 7.65% | 6.38% | 1.95% | 1.05% | 0.95% |