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 |
|
| AB Government Money Market Portfolio | Class AB | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.17% | 5.05% | 1.48% | 0.01% | 0.43% | 2.15% | 1.70% | 0.71% | 0.32% | 0.12% |