AB Global Dynamic Allocation Portfolio Investment Objectives and Goals - AB Global Dynamic Allocation Portfolio |
Dec. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:22pt;">AB Global Dynamic Allocation Portfolio</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:11.5pt;font-weight:bold;">Investment Objectives</span> |
| Objective, Primary [Text Block] | Seeks capital appreciation and current income. |