S000050036 [Member] Expense Example - Bridge Builder Transition Fund I - Bridge Builder Transition Fund I |
Jun. 30, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 0 |
| Expense Example, with Redemption, 3 Years | $ 0 |