S000006338 [Member] Annual Fund Operating Expenses - TCW Emerging Markets Income Fund |
Apr. 30, 2025 |
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| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | August 24, 2026 | |||||
| Class I-3 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.75% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Component1 Other Expenses | 0.20% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.04% | |||||
| Expenses (as a percentage of Assets) | 0.99% | |||||
| Fee Waiver or Reimbursement | 0.07% | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.92% | [1] | ||||
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