Shareholder Report, Holdings (Details) - C000224086 |
Jun. 30, 2025 |
|---|---|
| T. Rowe Price U.S. Treasury Money Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 100.00% |
| Money Market Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 100.00% |
| Other Holdings Grouping | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.00% |