GMO Global Developed Equity Allocation Fund Annual Fund Operating Expenses - GMO Global Developed Equity Allocation Fund |
Feb. 28, 2026 |
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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, 2027</span><span style="color:#000000;font-family:Times New Roman;font-size:8pt;font-style:italic;">June 30, 2027</span> | |||||||
| Class III | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.00% | [1] | ||||||
| Other Expenses (as a percentage of Assets): | 0.09% | |||||||
| Acquired Fund Fees and Expenses | 0.53% | |||||||
| Expenses (as a percentage of Assets) | 0.62% | |||||||
| Fee Waiver or Reimbursement | (0.08%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 0.54% | |||||||
| Class R6 | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.00% | [1] | ||||||
| Other Expenses (as a percentage of Assets): | 0.09% | |||||||
| Acquired Fund Fees and Expenses | 0.53% | |||||||
| Expenses (as a percentage of Assets) | 0.62% | |||||||
| Fee Waiver or Reimbursement | (0.08%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 0.54% | |||||||
| Class I | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.00% | [1] | ||||||
| Other Expenses (as a percentage of Assets): | 0.24% | [3] | ||||||
| Acquired Fund Fees and Expenses | 0.53% | |||||||
| Expenses (as a percentage of Assets) | 0.77% | |||||||
| Fee Waiver or Reimbursement | (0.08%) | [2],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 0.69% | |||||||
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