v3.26.1
JPMorgan Federal Money Market Fund Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Institutional Shares [Member] | Institutional      
Prospectus [Line Items]      
Average Annual Return, Percent 4.13% 3.11% 2.05%