S000084283 [Member] Expense Example - UBS Select 100% US Treasury Preferred Fund |
Apr. 30, 2026
USD ($)
|
|---|---|
| Class P | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 14 |
| Expense Example, with Redemption, 3 Years | 56 |
| Expense Example, with Redemption, 5 Years | 102 |
| Expense Example, with Redemption, 10 Years | 238 |
| Class T | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 14 |
| Expense Example, with Redemption, 3 Years | 56 |
| Expense Example, with Redemption, 5 Years | 102 |
| Expense Example, with Redemption, 10 Years | $ 238 |