Annual Total Returns - Government Money Market Funds-Capital Class - Capital |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Government Money Market Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.18% | 5.15% | 4.98% | 1.47% | 0.01% | 0.34% | 2.06% | 1.69% | 0.73% | 0.22% |
| Treasury Plus Money Market Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.16% | 5.13% | 4.99% | 1.48% | 0.01% | 0.33% | 2.04% | 1.68% | 0.73% | 0.18% |
| 100% Treasury Money Market Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.16% | 5.13% | 4.95% | 1.40% | 0.01% | 0.36% | 2.02% | 1.68% | 0.70% | 0.15% |