S000019850 [Member] 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 |
|
| CTIVP - Victory Sycamore Established Value Fund | Class 2 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.00% | 9.62% | 9.67% | (3.00%) | 31.55% | 7.80% | 27.85% | (10.20%) | 15.55% | 20.52% |