JPMorgan Small Cap Growth Fund Class L Average Annual Total Returns - L 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 L | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 6.56% | (2.52%) | 10.99% |
| Class L | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.96% | (3.52%) | 9.51% |
| Class L | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.75% | (2.00%) | 8.75% |