S000013857 [Member] Annual Fund Operating Expenses - TCW Conservative Allocation Fund |
Oct. 31, 2025 |
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| Prospectus [Line Items] | ||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | March 1, 2027 | |||||||
| Class N Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.00% | |||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Other Expenses (as a percentage of Assets): | 4.67% | [1] | ||||||
| Acquired Fund Fees and Expenses | 0.60% | |||||||
| Expenses (as a percentage of Assets) | 5.52% | [2] | ||||||
| Fee Waiver or Reimbursement | 4.24% | [3] | ||||||
| Net Expenses (as a percentage of Assets) | 1.28% | [2],[3] | ||||||
| Class I Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.00% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.31% | [1] | ||||||
| Acquired Fund Fees and Expenses | 0.60% | |||||||
| Expenses (as a percentage of Assets) | 0.91% | [2] | ||||||
| Fee Waiver or Reimbursement | 0.00% | [3] | ||||||
| Net Expenses (as a percentage of Assets) | 0.91% | [2],[3] | ||||||
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