JPMorgan Mid Cap Growth 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 |
|
| RUSSELL 3000 INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% |
| RUSSELL MIDCAP GROWTH INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 8.66% | 6.65% | 12.49% |
| Class A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 2.63% | 2.92% | 11.22% |
| Class C | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.76% | 3.51% | 11.37% |
| Class I | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 8.57% | 4.30% | 12.14% |
| Class I | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.35% | 3.06% | 10.67% |
| Class I | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.65% | 3.25% | 9.79% |