v3.26.1
JPMorgan Core Bond Fund Expense Example, No Redemption - A C I Shares [Member] - JPMorgan Core Bond Fund
Feb. 28, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 444
Expense Example, No Redemption, 3 Years 620
Expense Example, No Redemption, 5 Years 810
Expense Example, No Redemption, 10 Years 1,361
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 122
Expense Example, No Redemption, 3 Years 411
Expense Example, No Redemption, 5 Years 721
Expense Example, No Redemption, 10 Years 1,463
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 46
Expense Example, No Redemption, 3 Years 173
Expense Example, No Redemption, 5 Years 311
Expense Example, No Redemption, 10 Years $ 713