JPMorgan U.S. Small Company Fund Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| R2 R3 R4 R5 R6 Shares [Member] | JPMorgan U.S. Small Company Fund | Class R6 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 10.33% | 11.78% | 14.66% | (16.48%) | 22.53% | 18.32% | 22.18% | (11.97%) | 9.08% | 20.87% |