v3.26.1
JPMorgan Income Fund Average Annual Total Returns - A C I 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%
Class A      
Prospectus [Line Items]      
Average Annual Return, Percent 3.37% 2.31% 3.99%
Class C      
Prospectus [Line Items]      
Average Annual Return, Percent 5.81% 2.53% 3.95%
Class I      
Prospectus [Line Items]      
Average Annual Return, Percent 7.64% 3.36% 4.67%
Class I | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 5.06% 1.22% 2.44%
Class I | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 4.48% 1.61% 2.59%