Transamerica Energy Infrastructure Expense Example, No Redemption - Retail Class [Member] - Transamerica Energy Infrastructure |
Oct. 31, 2025
USD ($)
|
|---|---|
| A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 697 |
| Expense Example, No Redemption, 3 Years | 1,007 |
| Expense Example, No Redemption, 5 Years | 1,338 |
| Expense Example, No Redemption, 10 Years | 2,273 |
| C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 238 |
| Expense Example, No Redemption, 3 Years | 733 |
| Expense Example, No Redemption, 5 Years | 1,255 |
| Expense Example, No Redemption, 10 Years | 2,686 |
| I | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 131 |
| Expense Example, No Redemption, 3 Years | 409 |
| Expense Example, No Redemption, 5 Years | 708 |
| Expense Example, No Redemption, 10 Years | 1,556 |
| I2 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 121 |
| Expense Example, No Redemption, 3 Years | 378 |
| Expense Example, No Redemption, 5 Years | 654 |
| Expense Example, No Redemption, 10 Years | $ 1,443 |