v3.26.1
JPMorgan Core Plus Bond Fund Expense Example - R2 R3 R4 R5 R6 Shares [Member] - JPMorgan Core Plus Bond Fund
Feb. 28, 2026
USD ($)
Class R2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 116
Expense Example, with Redemption, 3 Years 364
Expense Example, with Redemption, 5 Years 632
Expense Example, with Redemption, 10 Years 1,397
Class R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 90
Expense Example, with Redemption, 3 Years 283
Expense Example, with Redemption, 5 Years 492
Expense Example, with Redemption, 10 Years 1,095
Class R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 64
Expense Example, with Redemption, 3 Years 204
Expense Example, with Redemption, 5 Years 356
Expense Example, with Redemption, 10 Years 797
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 48
Expense Example, with Redemption, 3 Years 153
Expense Example, with Redemption, 5 Years 268
Expense Example, with Redemption, 10 Years 603
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 38
Expense Example, with Redemption, 3 Years 121
Expense Example, with Redemption, 5 Years 212
Expense Example, with Redemption, 10 Years $ 479