Annual Fund Operating Expenses - AB Concentrated International Growth Portfolio |
Jun. 30, 2025 |
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|---|---|---|---|---|
| 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) | 0.75% | |||
| Distribution and Service (12b-1) Fees | 0.00% | |||
| Component1 Other Expenses | 0.01% | |||
| Component2 Other Expenses | 0.30% | |||
| Other Expenses (as a percentage of Assets): | 0.31% | |||
| Expenses (as a percentage of Assets) | 1.06% | |||
| Fee Waiver or Reimbursement | (0.16%) | [1] | ||
| Net Expenses (as a percentage of Assets) | 0.90% | |||
| Class A | ||||
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 0.75% | |||
| Distribution and Service (12b-1) Fees | 0.25% | |||
| Component1 Other Expenses | 0.01% | |||
| Component2 Other Expenses | 0.30% | |||
| Other Expenses (as a percentage of Assets): | 0.31% | |||
| Expenses (as a percentage of Assets) | 1.31% | |||
| Fee Waiver or Reimbursement | (0.16%) | [1] | ||
| Net Expenses (as a percentage of Assets) | 1.15% | |||
| Class C | ||||
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 0.75% | |||
| Distribution and Service (12b-1) Fees | 1.00% | |||
| Component1 Other Expenses | 0.03% | |||
| Component2 Other Expenses | 0.30% | |||
| Other Expenses (as a percentage of Assets): | 0.33% | |||
| Expenses (as a percentage of Assets) | 2.08% | |||
| Fee Waiver or Reimbursement | (0.18%) | [1] | ||
| Net Expenses (as a percentage of Assets) | 1.90% | |||
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