S000013857 [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 |
|
| TCW Conservative Allocation Fund | Class I Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 9.19% | 7.52% | 12.86% | (15.21%) | 8.45% | 14.24% | 14.81% | (3.12%) | 8.84% | 1.46% |