S000001151 [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 ULTRA SHORT BOND FUND | CLASS M | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.47% | 5.16% | 4.87% | (2.32%) | (0.23%) | 1.19% | 2.93% | 1.60% | 0.83% | 0.83% |