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AB Global Dynamic Allocation Portfolio Annual Fund Operating Expenses - AB Global Dynamic Allocation Portfolio - Class B
Dec. 31, 2025
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.63%
Distribution and Service (12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.04%
Expenses (as a percentage of Assets) 0.92%