DWS Treasury Portfolio Annual Fund Operating Expenses - DWS US Trsy Money Fund Cl S [Member] - DWS Treasury Portfolio - DWS U.S. Treasury Money Fund Class S |
Mar. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.05% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.25% |
| Expenses (as a percentage of Assets) | 0.30% |