v3.26.3
S000010348 [Member] Expense Example - AB California Portfolio
May 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 374
Expense Example, with Redemption, 3 Years 541
Expense Example, with Redemption, 5 Years 722
Expense Example, with Redemption, 10 Years 1,245
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 253 [1]
Expense Example, with Redemption, 3 Years 483
Expense Example, with Redemption, 5 Years 836
Expense Example, with Redemption, 10 Years 1,629
Advisor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 51
Expense Example, with Redemption, 3 Years 169
Expense Example, with Redemption, 5 Years 298
Expense Example, with Redemption, 10 Years $ 673
[1]
If you did not redeem your shares at the end of the period, your expenses would be decreased by approximately $100.