S000008096 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
Dec. 31, 2015 |
|
| SA JPMorgan Global Equities Portfolio | Class 1 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 21.64% | 23.83% | (15.82%) | 23.32% | 9.77% | 19.89% | (11.08%) | 24.35% | 5.69% | (1.24%) |