State Street Income Allocation 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 Income Allocation ETF | State Street Income Allocation ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 10.87% | 5.77% | 10.30% | (12.53%) | 8.53% | 2.98% | 17.10% | (5.26%) | 13.63% | 6.61% |