v3.26.1
S000062249 [Member] Expense Example - TCW METWEST Investment Grade Credit Fund
Mar. 31, 2026
USD ($)
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 50
Expense Example, with Redemption, 3 Years 300
Expense Example, with Redemption, 5 Years 569
Expense Example, with Redemption, 10 Years 1,339
Class M  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 72
Expense Example, with Redemption, 3 Years 385
Expense Example, with Redemption, 5 Years 721
Expense Example, with Redemption, 10 Years $ 1,671