S000006325 [Member] Expense Example - TCW Concentrated Large Cap Growth Fund |
Oct. 31, 2025
USD ($)
|
|---|---|
| I Class | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 80 |
| Expense Example, with Redemption, 3 Years | 249 |
| Expense Example, with Redemption, 5 Years | 433 |
| Expense Example, with Redemption, 10 Years | 966 |
| N Class | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 108 |
| Expense Example, with Redemption, 3 Years | 337 |
| Expense Example, with Redemption, 5 Years | 585 |
| Expense Example, with Redemption, 10 Years | 1,294 |
| Class I-3 | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 180 |
| Expense Example, with Redemption, 3 Years | 557 |
| Expense Example, with Redemption, 5 Years | 959 |
| Expense Example, with Redemption, 10 Years | $ 2,084 |