JPMorgan Small 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 2000 GROWTH INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 13.01% | 3.18% | 9.57% |
| Class A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 0.57% | (3.96%) | 9.95% |
| Class A | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (1.22%) | (5.11%) | 8.27% |
| Class A | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 1.35% | (3.06%) | 7.82% |
| Class C | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.59% | (3.40%) | 10.11% |
| Class I | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.35% | (2.67%) | 10.82% |