v3.26.1
IRA RMA Program [Member] Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
UBS Liquid Assets Government Fund      
Prospectus [Line Items]      
Average Annual Return, Percent 4.24% 3.20% 2.17%