S000047073 [Member] Annual Fund Operating Expenses - AB Global Core Equity Portfolio |
Jun. 30, 2026 |
|---|---|
| Class C | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.74% |
| Distribution and Service (12b-1) Fees | 1.00% |
| Component1 Other Expenses | 0.02% |
| Component3 Other Expenses | 0.04% |
| Other Expenses (as a percentage of Assets): | 0.06% |
| Expenses (as a percentage of Assets) | 1.80% |
| Advisor Class | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.74% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Component1 Other Expenses | 0.01% |
| Component3 Other Expenses | 0.04% |
| Other Expenses (as a percentage of Assets): | 0.05% |
| Expenses (as a percentage of Assets) | 0.79% |
| Class A | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.74% |
| Distribution and Service (12b-1) Fees | 0.25% |
| Component1 Other Expenses | 0.01% |
| Component3 Other Expenses | 0.04% |
| Other Expenses (as a percentage of Assets): | 0.05% |
| Expenses (as a percentage of Assets) | 1.04% |