v3.25.4
S000027378 [Member] Investment Objectives and Goals - AB Bond Inflation Strategy
Oct. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] SUMMARY INFORMATION AB Bond Inflation Strategy
Objective [Heading] INVESTMENT OBJECTIVE
Objective, Primary [Text Block]
The Fund’s investment objective is to maximize real return without assuming what the Adviser considers to be undue risk.