State Street SPDR Portfolio Long Term Corporate Bond 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 Long Term Corporate Bond Index ETF | State Street SPDR Portfolio Long Term Corporate Bond Index ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.09% | (1.57%) | 11.15% | (25.87%) | (1.67%) | 13.59% | 23.62% | (7.42%) | 12.21% | 10.98% |