S000049701 [Member] Annual Fund Operating Expenses - Bridge Builder Core Plus Bond Fund |
Jun. 30, 2026 |
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| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | October 28, 2027 | |||||
| Bridge Builder Core Plus Bond Fund | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.36% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.02% | [2] | ||||
| Expenses (as a percentage of Assets) | 0.38% | |||||
| Fee Waiver or Reimbursement | (0.24%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 0.14% | |||||
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