v3.25.4
Expense Example - AB Concentrated International Growth Portfolio
Jun. 30, 2025
USD ($)
Advisor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 92
Expense Example, with Redemption, 3 Years 321
Expense Example, with Redemption, 5 Years 569
Expense Example, with Redemption, 10 Years 1,280
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 537
Expense Example, with Redemption, 3 Years 807
Expense Example, with Redemption, 5 Years 1,098
Expense Example, with Redemption, 10 Years 1,923
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 293 [1]
Expense Example, with Redemption, 3 Years 634
Expense Example, with Redemption, 5 Years 1,102
Expense Example, with Redemption, 10 Years $ 2,199
[1]
If you did not redeem your shares at the end of the period, your expenses would be decreased by approximately $100.