v3.26.1
JPMorgan Core Bond 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 3.12% (0.93%) 1.63%
Class C      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% (0.74%) 1.53%
Class I      
Prospectus [Line Items]      
Average Annual Return, Percent 7.38% 0.08% 2.27%
Class I | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 5.64% (1.26%) 0.96%
Class I | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 4.34% (0.51%) 1.19%