S000006330 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
Dec. 31, 2015 |
|
| TCW Securitized Bond Fund | I Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 1.82% | 5.04% | (16.58%) | (1.05%) | 8.31% | 7.27% | 0.80% | 3.44% | 1.53% | 1.08% |