JPMorgan Government Bond Fund Average Annual Total Returns - A C I 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 US GOVERNMENT BOND INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.31% | (0.94%) | 1.38% |
| Class A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 2.67% | (1.49%) | 0.89% |
| Class C | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.20% | (1.27%) | 0.79% |
| Class I | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.98% | (0.49%) | 1.54% |
| Class I | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.59% | (1.47%) | 0.55% |
| Class I | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.11% | (0.80%) | 0.75% |