v3.26.1
Expense Example - U.S. Monthly Income Fund for Puerto Rico Residents, Inc.
Dec. 31, 2025
USD ($)
Class P  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 264
Expense Example, with Redemption, 3 Years 811
Expense Example, with Redemption, 5 Years 1,385
Expense Example, with Redemption, 10 Years 2,944
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 629
Expense Example, with Redemption, 3 Years 1,156
Expense Example, with Redemption, 5 Years 1,708
Expense Example, with Redemption, 10 Years $ 3,209