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JPMorgan Short Duration Bond 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%
BLOOMBERG 1-3 YEAR US GOVERNMENT/CREDIT BOND INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 5.35% 1.97% 2.09%
Class R6      
Prospectus [Line Items]      
Average Annual Return, Percent 5.63% 2.46% 2.51%
Class R6 | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 3.80% 1.29% 1.52%
Class R6 | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.31% 1.37% 1.49%