JPMorgan Core Bond Fund Average Annual Total Returns - R2 R3 R4 R5 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% |
| Class R2 | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.75% | (0.50%) | 1.68% |
| Class R3 | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.05% | (0.25%) | 1.91% |
| Class R4 | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.20% | (0.04%) | 2.15% |
| Class R5 | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.36% | 0.15% | 2.33% |
| Class R6 | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.54% | 0.25% | 2.43% |
| Class R6 | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.74% | (1.16%) | 1.05% |
| Class R6 | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.44% | (0.41%) | 1.29% |