DWS Treasury Portfolio 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 |
|
| DWS US Trsy Money Fund Cl S [Member] | DWS Treasury Portfolio | DWS U.S. Treasury Money Fund Class S | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.06% | 4.94% | 1.47% | 0.01% | 0.29% | 1.96% | 1.63% | 0.71% | 0.13% | 0.01% |