v3.25.2
S000084282 [Member] Performance Management - UBS Select 100% US Treasury Institutional Fund
Apr. 30, 2025
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]
There is no performance information quoted for the fund as the fund has not yet operated for a full calendar year as of the date of this prospectus.
Performance One Year or Less [Text] There is no performance information quoted for the fund as the fund has not yet operated for a full calendar year as of the date of this prospectus.