v3.26.1
Expense Example - Transamerica International Equity
Oct. 31, 2025
USD ($)
I3  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 76
Expense Example, with Redemption, 3 Years 237
Expense Example, with Redemption, 5 Years 411
Expense Example, with Redemption, 10 Years 918
A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 670
Expense Example, with Redemption, 3 Years 940
Expense Example, with Redemption, 5 Years 1,233
Expense Example, with Redemption, 10 Years 2,064
C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 292
Expense Example, with Redemption, 3 Years 594
Expense Example, with Redemption, 5 Years 1,021
Expense Example, with Redemption, 10 Years 2,212
I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 268
Expense Example, with Redemption, 5 Years 466
Expense Example, with Redemption, 10 Years 1,037
I2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 76
Expense Example, with Redemption, 3 Years 237
Expense Example, with Redemption, 5 Years 411
Expense Example, with Redemption, 10 Years 918
R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 76
Expense Example, with Redemption, 3 Years 237
Expense Example, with Redemption, 5 Years 411
Expense Example, with Redemption, 10 Years 918
R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 128
Expense Example, with Redemption, 3 Years 400
Expense Example, with Redemption, 5 Years 692
Expense Example, with Redemption, 10 Years 1,523
R4  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 101
Expense Example, with Redemption, 3 Years 315
Expense Example, with Redemption, 5 Years 547
Expense Example, with Redemption, 10 Years $ 1,213