Janus Henderson Small Cap Value 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 |
|
| Class A C S I N R T Shares [Member] | Janus Henderson Small Cap Value Fund | Class T | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.63% | 6.16% | 13.16% | (9.90%) | 22.57% | (6.83%) | 26.03% | (13.18%) | 12.61% | 26.32% |