S000084283 [Member] Shareholder Fees - UBS Select 100% US Treasury Preferred Fund |
Apr. 30, 2026 |
|---|---|
| Class P | |
| Prospectus [Line Items] | |
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% |
| Maximum Deferred Sales Charge (as a percentage of Offering Price) | 0.00% |
| Class T | |
| Prospectus [Line Items] | |
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% |
| Maximum Deferred Sales Charge (as a percentage of Offering Price) | 0.00% |