GMO Benchmark-Free Allocation Fund Annual Fund Operating Expenses - GMO Benchmark-Free 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 III | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.80% | [1] | ||||||
| Other Expenses (as a percentage of Assets): | 0.03% | |||||||
| Acquired Fund Fees and Expenses | 0.45% | [2] | ||||||
| Expenses (as a percentage of Assets) | 1.28% | |||||||
| Fee Waiver or Reimbursement | (0.05%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 1.23% | |||||||
| Class IV | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.75% | [1] | ||||||
| Other Expenses (as a percentage of Assets): | 0.03% | |||||||
| Acquired Fund Fees and Expenses | 0.45% | [2] | ||||||
| Expenses (as a percentage of Assets) | 1.23% | |||||||
| Fee Waiver or Reimbursement | (0.05%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 1.18% | |||||||
| Class R6 | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.80% | [1] | ||||||
| Other Expenses (as a percentage of Assets): | 0.03% | |||||||
| Acquired Fund Fees and Expenses | 0.45% | [2] | ||||||
| Expenses (as a percentage of Assets) | 1.28% | |||||||
| Fee Waiver or Reimbursement | (0.05%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 1.23% | |||||||
| Class I | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.80% | [1] | ||||||
| Other Expenses (as a percentage of Assets): | 0.14% | [3] | ||||||
| Acquired Fund Fees and Expenses | 0.45% | [2] | ||||||
| Expenses (as a percentage of Assets) | 1.39% | |||||||
| Fee Waiver or Reimbursement | (0.05%) | [1],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 1.34% | |||||||
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