v3.26.3
S000010413 [Member] Expense Example - AB International Value Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 538
Expense Example, with Redemption, 3 Years 869
Expense Example, with Redemption, 5 Years 1,223
Expense Example, with Redemption, 10 Years 2,219
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 294 [1]
Expense Example, with Redemption, 3 Years 698
Expense Example, with Redemption, 5 Years 1,228
Expense Example, with Redemption, 10 Years 2,488
Advisor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 389
Expense Example, with Redemption, 5 Years 706
Expense Example, with Redemption, 10 Years 1,606
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 378
Expense Example, with Redemption, 5 Years 684
Expense Example, with Redemption, 10 Years $ 1,554
[1]
If you did not redeem your shares at the end of the period, your expenses would be decreased by approximately $100.