GMO Alternative Allocation Fund Annual Fund Operating Expenses - GMO Alternative Allocation Fund |
Feb. 28, 2025 |
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|---|---|---|---|---|---|---|---|---|
| Prospectus [Line Items] | ||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | <span style="color:#000000;font-family:Times New Roman;font-size:8pt;font-style:italic;">June 30, 2026</span><span style="color:#000000;font-family:Times New Roman;font-size:8pt;font-style:italic;">June 30, 2026</span> | |||||||
| Class II | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.95% | [1] | ||||||
| Component1 Other Expenses | 1.16% | [2] | ||||||
| Component3 Other Expenses | 0.33% | |||||||
| Other Expenses (as a percentage of Assets): | 1.49% | |||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||
| Expenses (as a percentage of Assets) | 2.45% | |||||||
| Fee Waiver or Reimbursement | (0.29%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 2.16% | |||||||
| Class III | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.88% | [1] | ||||||
| Component1 Other Expenses | 1.16% | [2] | ||||||
| Component3 Other Expenses | 0.33% | |||||||
| Other Expenses (as a percentage of Assets): | 1.49% | |||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||
| Expenses (as a percentage of Assets) | 2.38% | |||||||
| Fee Waiver or Reimbursement | (0.29%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 2.09% | |||||||
| Class IV | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.835% | [1] | ||||||
| Component1 Other Expenses | 1.16% | [2] | ||||||
| Component3 Other Expenses | 0.33% | |||||||
| Other Expenses (as a percentage of Assets): | 1.49% | |||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||
| Expenses (as a percentage of Assets) | 2.34% | |||||||
| Fee Waiver or Reimbursement | (0.29%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 2.05% | |||||||
| Class V | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.815% | [1] | ||||||
| Component1 Other Expenses | 1.16% | [2] | ||||||
| Component3 Other Expenses | 0.33% | |||||||
| Other Expenses (as a percentage of Assets): | 1.49% | |||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||
| Expenses (as a percentage of Assets) | 2.32% | |||||||
| Fee Waiver or Reimbursement | (0.29%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 2.03% | |||||||
| Class VI | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.785% | [1] | ||||||
| Component1 Other Expenses | 1.66% | [2] | ||||||
| Component3 Other Expenses | 0.24% | |||||||
| Other Expenses (as a percentage of Assets): | 1.90% | |||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||
| Expenses (as a percentage of Assets) | 2.70% | |||||||
| Fee Waiver or Reimbursement | (0.20%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 2.50% | |||||||
| Class R6 | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.95% | [1] | ||||||
| Component1 Other Expenses | 1.16% | [2] | ||||||
| Component3 Other Expenses | 0.33% | |||||||
| Other Expenses (as a percentage of Assets): | 1.49% | |||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||
| Expenses (as a percentage of Assets) | 2.45% | |||||||
| Fee Waiver or Reimbursement | (0.29%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 2.16% | |||||||
| Class I | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.95% | [1] | ||||||
| Component1 Other Expenses | 1.14% | [2] | ||||||
| Component3 Other Expenses | 0.49% | [3] | ||||||
| Other Expenses (as a percentage of Assets): | 1.63% | [3] | ||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||
| Expenses (as a percentage of Assets) | 2.59% | |||||||
| Fee Waiver or Reimbursement | (0.30%) | [1],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 2.29% | |||||||
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