S000034415 [Member] Performance Management - TCW Global Bond Fund |
Oct. 31, 2025 |
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| Prospectus [Line Items] | |||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | ||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart below shows how the Fund’s investment results have varied from year to year and the table below shows how the Fund’s average annual total returns for various periods compare with the Fund’s benchmark index. This information provides some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year. The bar chart shows performance of the Fund’s Class I shares. Class N performance may be lower than Class I performance because of the potentially lower expenses paid by Class I shares. Past results (before and after taxes) are not predictive of future results. Updated information on the Fund’s investment results can be obtained by visiting www.TCW.com.
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| Performance Past Does Not Indicate Future [Text] | Past results (before and after taxes) are not predictive of future results. | ||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart below shows how the Fund’s investment results have varied from year to year and the table below shows how the Fund’s average annual total returns for various periods compare with the Fund’s benchmark index. | ||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar Year Total Returns For Class I Shares | ||||||||||||||||||||||||
| Bar Chart Closing [Text Block] | Highest/Lowest quarterly results during this period were:
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| Performance Table Heading | Average Annual Total Returns (For the period ended December 31, 2025) | ||||||||||||||||||||||||
| Performance Table Narrative | After-tax returns are calculated using the highest individual federal income tax rates in effect each year and do not reflect the impact of state and local taxes. Your actual after-tax returns depend on your individual tax situation and likely will differ from the results shown above, and after-tax returns shown are not relevant if you hold your Fund shares through a tax-deferred arrangement, such as a 401(k) plan or individual retirement account (IRA). After-tax returns are shown for only one class of shares, and after-tax returns for the other class of shares will vary.
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| Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the highest individual federal income tax rates in effect each year and do not reflect the impact of state and local taxes. | ||||||||||||||||||||||||
| Performance Table Not Relevant to Tax Deferred | Your actual after-tax returns depend on your individual tax situation and likely will differ from the results shown above, and after-tax returns shown are not relevant if you hold your Fund shares through a tax-deferred arrangement, such as a 401(k) plan or individual retirement account (IRA). | ||||||||||||||||||||||||
| Performance Table One Class of after Tax Shown [Text] | After-tax returns are shown for only one class of shares, and after-tax returns for the other class of shares will vary. | ||||||||||||||||||||||||
| Performance Availability Website Address [Text] | www.TCW.com | ||||||||||||||||||||||||
| Class I | |||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | Highest | ||||||||||||||||||||||||
| Highest Quarterly Return | 9.61% | ||||||||||||||||||||||||
| Highest Quarterly Return, Date | Dec. 31, 2023 | ||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Lowest | ||||||||||||||||||||||||
| Lowest Quarterly Return | (9.55%) | ||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Jun. 30, 2022 |