v3.26.1
JPMorgan Prime 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
Morgan C Shares [Member] | Morgan      
Prospectus [Line Items]      
Average Annual Return, Percent 3.99% 3.05% 2.02%