v3.26.3
S000010361 [Member] Expense Example - AB Virginia Portfolio
May 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 379
Expense Example, with Redemption, 3 Years 575
Expense Example, with Redemption, 5 Years 787
Expense Example, with Redemption, 10 Years 1,397
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 258 [1]
Expense Example, with Redemption, 3 Years 517
Expense Example, with Redemption, 5 Years 900
Expense Example, with Redemption, 10 Years 1,776
Advisor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 56
Expense Example, with Redemption, 3 Years 204
Expense Example, with Redemption, 5 Years 366
Expense Example, with Redemption, 10 Years $ 834
[1] If you did not redeem your shares at the end of the period, your expenses would be decreased by approximately $100.