v3.26.1
JPMorgan Floating Rate Income Fund Average Annual Total Returns - R6 Shares [Member]
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
BLOOMBERG US AGGREGATE INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 7.30% (0.36%) 2.01%
S&P UBS LEVERAGED LOAN INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 5.94% 6.37% 5.78%
Class R6      
Prospectus [Line Items]      
Average Annual Return, Percent 1.78% 4.46% 4.24%
Class R6 | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent (1.25%) 1.68% 1.88%
Class R6 | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 1.04% 2.21% 2.21%
[1] Effective 7/1/25 the Fund’s Benchmark changed from Credit Suisse Leveraged Loan Index to UBS Leveraged Loan Index because the adviser believes that the S&P UBS Leveraged Loan Index is a more appropriate comparison of the Fund’s investment strategies.