Janus Henderson Research Portfolio 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 |
|
| Service Shares [Member] | Janus Henderson Research Portfolio | Service Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 18.10% | 34.96% | 42.81% | (30.06%) | 20.05% | 32.58% | 35.22% | (2.84%) | 27.55% | 0.27% |