S000001146 [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 METWEST LOW DURATION BOND FUND | CLASS M | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.06% | 4.48% | 5.57% | (5.17%) | (0.13%) | 3.27% | 4.23% | 1.20% | 1.15% | 1.23% |