JPMorgan Small Cap Blend Fund Average Annual Total Returns - R2 R3 R4 R5 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 INDEX(Reflects No Deduction for Fees, Expenses, or Taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 12.81% | 6.09% | 9.62% |
| Class A | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (2.53%) | 2.73% | 10.56% |
| Class A | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (3.73%) | 1.87% | 8.51% |
| Class A | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | (0.58%) | 1.99% | 7.99% |