S000006338 [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 Emerging Markets Income Fund | I Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.32% | 12.09% | (17.53%) | (5.07%) | 5.13% | 15.84% | (6.16%) | 11.40% | 14.23% | (2.48%) |