S000062452 [Member] Annual Fund Operating Expenses - AB All China Equity Portfolio |
Jun. 30, 2026 |
|||||
|---|---|---|---|---|---|---|
| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | October 31, 2027 | |||||
| Advisor Class | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.95% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Component1 Other Expenses | 0.04% | |||||
| Component3 Other Expenses | 0.88% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.92% | |||||
| Expenses (as a percentage of Assets) | 1.87% | |||||
| Fee Waiver or Reimbursement | (0.62%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 1.25% | |||||
| Class A | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.95% | |||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Component1 Other Expenses | 0.04% | |||||
| Component3 Other Expenses | 0.88% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.92% | |||||
| Expenses (as a percentage of Assets) | 2.12% | |||||
| Fee Waiver or Reimbursement | (0.62%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 1.50% | |||||
| ||||||