v3.26.1
S000001151 [Member] Expense Example - TCW METWEST ULTRA SHORT BOND FUND
Mar. 31, 2026
USD ($)
CLASS I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 35
Expense Example, with Redemption, 3 Years 188
Expense Example, with Redemption, 5 Years 354
Expense Example, with Redemption, 10 Years 837
CLASS M  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 51
Expense Example, with Redemption, 3 Years 294
Expense Example, with Redemption, 5 Years 557
Expense Example, with Redemption, 10 Years $ 1,308