v3.25.4
Transamerica Long Credit Expense Example, No Redemption - Retail Class [Member] - Transamerica Long Credit
Oct. 31, 2025
USD ($)
A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 562
Expense Example, No Redemption, 3 Years 745
Expense Example, No Redemption, 5 Years 944
Expense Example, No Redemption, 10 Years 1,518
C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 162
Expense Example, No Redemption, 3 Years 502
Expense Example, No Redemption, 5 Years 865
Expense Example, No Redemption, 10 Years 1,887
I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 66
Expense Example, No Redemption, 3 Years 217
Expense Example, No Redemption, 5 Years 380
Expense Example, No Redemption, 10 Years 854
I2  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 57
Expense Example, No Redemption, 3 Years 186
Expense Example, No Redemption, 5 Years 326
Expense Example, No Redemption, 10 Years 735
R6  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 57
Expense Example, No Redemption, 3 Years 186
Expense Example, No Redemption, 5 Years 326
Expense Example, No Redemption, 10 Years $ 735