v3.25.4
Transamerica Asset Allocation - Growth Portfolio Expense Example - Retail Class [Member] - Transamerica Asset Allocation - Growth Portfolio
Oct. 31, 2025
USD ($)
A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 665
Expense Example, with Redemption, 3 Years 907
Expense Example, with Redemption, 5 Years 1,168
Expense Example, with Redemption, 10 Years 1,914
C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 304
Expense Example, with Redemption, 3 Years 631
Expense Example, with Redemption, 5 Years 1,083
Expense Example, with Redemption, 10 Years 2,338
I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 88
Expense Example, with Redemption, 3 Years 296
Expense Example, with Redemption, 5 Years 521
Expense Example, with Redemption, 10 Years 1,169
R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 147
Expense Example, with Redemption, 3 Years 456
Expense Example, with Redemption, 5 Years 787
Expense Example, with Redemption, 10 Years 1,724
R3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 97
Expense Example, with Redemption, 3 Years 369
Expense Example, with Redemption, 5 Years 662
Expense Example, with Redemption, 10 Years $ 1,495