v3.26.3
Management Fees Fee Waiver Or Reimbursement Over Assets [Member] Expense Example - AB Large Cap Value Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 508
Expense Example, with Redemption, 3 Years 687
Expense Example, with Redemption, 5 Years 881
Expense Example, with Redemption, 10 Years 1,440
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 263 [1]
Expense Example, with Redemption, 3 Years 509
Expense Example, with Redemption, 5 Years 879
Expense Example, with Redemption, 10 Years 1,717
Advisor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 194
Expense Example, with Redemption, 5 Years 339
Expense Example, with Redemption, 10 Years 761
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 66
Expense Example, with Redemption, 3 Years 219
Expense Example, with Redemption, 5 Years 385
Expense Example, with Redemption, 10 Years 866
Class Z  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 60
Expense Example, with Redemption, 3 Years 191
Expense Example, with Redemption, 5 Years 334
Expense Example, with Redemption, 10 Years $ 749
[1]
If you did not redeem your shares at the end of the period, your expenses would be decreased by approximately $100.