v3.25.4
S000006334 [Member] Expense Example - TCW Core Fixed Income Fund
Oct. 31, 2025
USD ($)
I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 58
Expense Example, with Redemption, 3 Years 183
Expense Example, with Redemption, 5 Years 318
Expense Example, with Redemption, 10 Years 714
N Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 88
Expense Example, with Redemption, 3 Years 274
Expense Example, with Redemption, 5 Years 477
Expense Example, with Redemption, 10 Years 1,061
Plan Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 54
Expense Example, with Redemption, 3 Years 170
Expense Example, with Redemption, 5 Years 296
Expense Example, with Redemption, 10 Years 665
Class I-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 139
Expense Example, with Redemption, 3 Years 434
Expense Example, with Redemption, 5 Years 750
Expense Example, with Redemption, 10 Years $ 1,646