SA AB Small and Mid Cap Value Portfolio 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 |
|
| SA AB Small and Mid Cap Value Portfolio | Class 2 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.36% | 9.66% | 16.73% | (15.86%) | 36.22% | 4.09% | 19.78% | (15.23%) | 12.89% | 24.76% |