v3.26.1
JPMorgan Government Bond Fund Expense Example, No Redemption - A C I Shares [Member] - JPMorgan Government Bond Fund
Feb. 28, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 444
Expense Example, No Redemption, 3 Years 634
Expense Example, No Redemption, 5 Years 840
Expense Example, No Redemption, 10 Years 1,434
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 122
Expense Example, No Redemption, 3 Years 428
Expense Example, No Redemption, 5 Years 755
Expense Example, No Redemption, 10 Years 1,544
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 46
Expense Example, No Redemption, 3 Years 188
Expense Example, No Redemption, 5 Years 342
Expense Example, No Redemption, 10 Years $ 791