v3.25.4
S000006338 [Member] Expense Example - TCW Emerging Markets Income Fund
Oct. 31, 2025
USD ($)
I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 92
Expense Example, with Redemption, 3 Years 287
Expense Example, with Redemption, 5 Years 498
Expense Example, with Redemption, 10 Years 1,108
N Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 118
Expense Example, with Redemption, 3 Years 368
Expense Example, with Redemption, 5 Years 638
Expense Example, with Redemption, 10 Years 1,409
Plan 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
Class I-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 114
Expense Example, with Redemption, 3 Years 356
Expense Example, with Redemption, 5 Years 617
Expense Example, with Redemption, 10 Years $ 1,363