v3.26.3
S000048336 [Member] Investment Objectives and Goals - Bridge Builder Small/Mid Cap Growth Fund
Jun. 30, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Bridge Builder Mid Cap Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The investment objective of Bridge Builder Mid Cap Fund (the “Fund” or the “Mid Cap Fund”) is to provide capital appreciation.