S000006335 [Member] Annual Fund Operating Expenses - TCW Relative Value Large Cap Fund |
Oct. 31, 2025 |
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|---|---|---|---|---|---|---|
| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | March 1, 2027 | |||||
| I Class | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.12% | [1] | ||||
| Expenses (as a percentage of Assets) | 0.72% | |||||
| Fee Waiver or Reimbursement | 0.02% | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.70% | [2] | ||||
| N Class | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Other Expenses (as a percentage of Assets): | 0.17% | [1] | ||||
| Expenses (as a percentage of Assets) | 1.02% | |||||
| Fee Waiver or Reimbursement | 0.17% | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.85% | [2] | ||||
| Class I-3 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.31% | [1] | ||||
| Expenses (as a percentage of Assets) | 0.91% | |||||
| Fee Waiver or Reimbursement | 0.11% | [2] | ||||
| Net Expenses (as a percentage of Assets) | 0.80% | [2] | ||||
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