v3.26.1
S000001147 [Member] Expense Example - TCW METWEST TOTAL RETURN BOND FUND
Mar. 31, 2026
USD ($)
CLASS I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 44
Expense Example, with Redemption, 3 Years 142
Expense Example, with Redemption, 5 Years 250
Expense Example, with Redemption, 10 Years 565
CLASS M  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 69
Expense Example, with Redemption, 3 Years 220
Expense Example, with Redemption, 5 Years 383
Expense Example, with Redemption, 10 Years 858
Administrative Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 82
Expense Example, with Redemption, 3 Years 255
Expense Example, with Redemption, 5 Years 444
Expense Example, with Redemption, 10 Years 990
Plan Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 39
Expense Example, with Redemption, 3 Years 122
Expense Example, with Redemption, 5 Years 213
Expense Example, with Redemption, 10 Years 480
Class I-2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 54
Expense Example, with Redemption, 3 Years 176
Expense Example, with Redemption, 5 Years 310
Expense Example, with Redemption, 10 Years 699
Class I-3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 60
Expense Example, with Redemption, 3 Years 681
Expense Example, with Redemption, 5 Years 1,327
Expense Example, with Redemption, 10 Years $ 3,066