GMO Global Asset Allocation Fund Annual Fund Operating Expenses - GMO Global Asset 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) | 0.00% | [1] | ||||||||
| Other Expenses (as a percentage of Assets): | 0.06% | |||||||||
| Acquired Fund Fees and Expenses | 0.78% | [2] | ||||||||
| Expenses (as a percentage of Assets) | 0.84% | |||||||||
| Fee Waiver or Reimbursement | (0.05%) | [3] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.79% | |||||||||
| Class R6 | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.00% | [1] | ||||||||
| Other Expenses (as a percentage of Assets): | 0.06% | |||||||||
| Acquired Fund Fees and Expenses | 0.78% | [2] | ||||||||
| Expenses (as a percentage of Assets) | 0.84% | |||||||||
| Fee Waiver or Reimbursement | (0.05%) | [3] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.79% | |||||||||
| Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.00% | [1] | ||||||||
| Other Expenses (as a percentage of Assets): | 0.19% | [4] | ||||||||
| Acquired Fund Fees and Expenses | 0.78% | [2] | ||||||||
| Expenses (as a percentage of Assets) | 0.97% | |||||||||
| Fee Waiver or Reimbursement | (0.05%) | [3],[4] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.92% | |||||||||
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