v3.26.3
S000048337 [Member] Investment Objectives and Goals - Bridge Builder Small/Mid Cap Value Fund
Jun. 30, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Bridge Builder Small Cap Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The investment objective of Bridge Builder Small Cap Fund (the “Fund” or the “Small Cap Fund”) is to provide capital appreciation.