110002 - Disclosure - GMO Benchmark-Free Allocation Fund Investment Objectives and Goals
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110003 - Disclosure - GMO Benchmark-Free Allocation Fund Fees and Expenses
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110004 - Disclosure - GMO Benchmark-Free Allocation Fund Investment Strategy
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110005 - Disclosure - GMO Benchmark-Free Allocation Fund Investment Risks
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110006 - Disclosure - GMO Benchmark-Free Allocation Fund Performance Management
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120010 - Disclosure - GMO Benchmark-Free Allocation Fund Shareholder Fees
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120020 - Disclosure - GMO Benchmark-Free Allocation Fund Annual Fund Operating Expenses
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120030 - Disclosure - GMO Benchmark-Free Allocation Fund Expense Example
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120040 - Disclosure - GMO Benchmark-Free Allocation Fund Expense Example, No Redemption
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120045 - Disclosure - GMO Benchmark-Free Allocation Fund Risks Data
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120050 - Disclosure - GMO Benchmark-Free Allocation Fund Annual Total Returns
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120060 - Disclosure - GMO Benchmark-Free Allocation Fund Average Annual Total Returns
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120070 - Disclosure - GMO Benchmark-Free Allocation Fund Market Index Performance
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110000 - Disclosure - GMO Benchmark-Free Allocation Fund N-1A Cover
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110001 - Disclosure - GMO Benchmark-Free Allocation Fund N-1A Supplement
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210002 - Disclosure - GMO Global Asset Allocation Fund Investment Objectives and Goals
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210003 - Disclosure - GMO Global Asset Allocation Fund Fees and Expenses
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210004 - Disclosure - GMO Global Asset Allocation Fund Investment Strategy
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210005 - Disclosure - GMO Global Asset Allocation Fund Investment Risks
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210006 - Disclosure - GMO Global Asset Allocation Fund Performance Management
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220010 - Disclosure - GMO Global Asset Allocation Fund Shareholder Fees
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220020 - Disclosure - GMO Global Asset Allocation Fund Annual Fund Operating Expenses
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220030 - Disclosure - GMO Global Asset Allocation Fund Expense Example
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220040 - Disclosure - GMO Global Asset Allocation Fund Expense Example, No Redemption
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220045 - Disclosure - GMO Global Asset Allocation Fund Risks Data
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220050 - Disclosure - GMO Global Asset Allocation Fund Annual Total Returns
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220060 - Disclosure - GMO Global Asset Allocation Fund Average Annual Total Returns
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220070 - Disclosure - GMO Global Asset Allocation Fund Market Index Performance
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210000 - Disclosure - GMO Global Asset Allocation Fund N-1A Cover
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210001 - Disclosure - GMO Global Asset Allocation Fund N-1A Supplement
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310002 - Disclosure - GMO Climate Change Fund Investment Objectives and Goals
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310003 - Disclosure - GMO Climate Change Fund Fees and Expenses
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310004 - Disclosure - GMO Climate Change Fund Investment Strategy
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310005 - Disclosure - GMO Climate Change Fund Investment Risks
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310006 - Disclosure - GMO Climate Change Fund Performance Management
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320010 - Disclosure - GMO Climate Change Fund Shareholder Fees
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320020 - Disclosure - GMO Climate Change Fund Annual Fund Operating Expenses
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320030 - Disclosure - GMO Climate Change Fund Expense Example
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320040 - Disclosure - GMO Climate Change Fund Expense Example, No Redemption
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320045 - Disclosure - GMO Climate Change Fund Risks Data
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320050 - Disclosure - GMO Climate Change Fund Annual Total Returns
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320060 - Disclosure - GMO Climate Change Fund Average Annual Total Returns
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320070 - Disclosure - GMO Climate Change Fund Market Index Performance
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310000 - Disclosure - GMO Climate Change Fund N-1A Cover
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310001 - Disclosure - GMO Climate Change Fund N-1A Supplement
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410002 - Disclosure - GMO Emerging Markets Fund Investment Objectives and Goals
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410003 - Disclosure - GMO Emerging Markets Fund Fees and Expenses
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410004 - Disclosure - GMO Emerging Markets Fund Investment Strategy
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410005 - Disclosure - GMO Emerging Markets Fund Investment Risks
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410006 - Disclosure - GMO Emerging Markets Fund Performance Management
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420010 - Disclosure - GMO Emerging Markets Fund Shareholder Fees
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420020 - Disclosure - GMO Emerging Markets Fund Annual Fund Operating Expenses
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420030 - Disclosure - GMO Emerging Markets Fund Expense Example
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420040 - Disclosure - GMO Emerging Markets Fund Expense Example, No Redemption
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420045 - Disclosure - GMO Emerging Markets Fund Risks Data
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420050 - Disclosure - GMO Emerging Markets Fund Annual Total Returns
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420060 - Disclosure - GMO Emerging Markets Fund Average Annual Total Returns
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420070 - Disclosure - GMO Emerging Markets Fund Market Index Performance
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410000 - Disclosure - GMO Emerging Markets Fund N-1A Cover
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410001 - Disclosure - GMO Emerging Markets Fund N-1A Supplement
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510002 - Disclosure - GMO Emerging Markets ex-China Fund Investment Objectives and Goals
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510003 - Disclosure - GMO Emerging Markets ex-China Fund Fees and Expenses
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510004 - Disclosure - GMO Emerging Markets ex-China Fund Investment Strategy
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510005 - Disclosure - GMO Emerging Markets ex-China Fund Investment Risks
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510006 - Disclosure - GMO Emerging Markets ex-China Fund Performance Management
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520010 - Disclosure - GMO Emerging Markets ex-China Fund Shareholder Fees
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520020 - Disclosure - GMO Emerging Markets ex-China Fund Annual Fund Operating Expenses
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520030 - Disclosure - GMO Emerging Markets ex-China Fund Expense Example
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520040 - Disclosure - GMO Emerging Markets ex-China Fund Expense Example, No Redemption
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520045 - Disclosure - GMO Emerging Markets ex-China Fund Risks Data
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520050 - Disclosure - GMO Emerging Markets ex-China Fund Annual Total Returns
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520060 - Disclosure - GMO Emerging Markets ex-China Fund Average Annual Total Returns
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520070 - Disclosure - GMO Emerging Markets ex-China Fund Market Index Performance
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510000 - Disclosure - GMO Emerging Markets ex-China Fund N-1A Cover
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510001 - Disclosure - GMO Emerging Markets ex-China Fund N-1A Supplement
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610002 - Disclosure - GMO Global Developed Equity Allocation Fund Investment Objectives and Goals
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610003 - Disclosure - GMO Global Developed Equity Allocation Fund Fees and Expenses
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610004 - Disclosure - GMO Global Developed Equity Allocation Fund Investment Strategy
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610005 - Disclosure - GMO Global Developed Equity Allocation Fund Investment Risks
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610006 - Disclosure - GMO Global Developed Equity Allocation Fund Performance Management
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620010 - Disclosure - GMO Global Developed Equity Allocation Fund Shareholder Fees
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620020 - Disclosure - GMO Global Developed Equity Allocation Fund Annual Fund Operating Expenses
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620030 - Disclosure - GMO Global Developed Equity Allocation Fund Expense Example
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620040 - Disclosure - GMO Global Developed Equity Allocation Fund Expense Example, No Redemption
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620045 - Disclosure - GMO Global Developed Equity Allocation Fund Risks Data
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620050 - Disclosure - GMO Global Developed Equity Allocation Fund Annual Total Returns
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620060 - Disclosure - GMO Global Developed Equity Allocation Fund Average Annual Total Returns
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620070 - Disclosure - GMO Global Developed Equity Allocation Fund Market Index Performance
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610000 - Disclosure - GMO Global Developed Equity Allocation Fund N-1A Cover
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610001 - Disclosure - GMO Global Developed Equity Allocation Fund N-1A Supplement
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710002 - Disclosure - GMO Global Equity Allocation Fund Investment Objectives and Goals
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710003 - Disclosure - GMO Global Equity Allocation Fund Fees and Expenses
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710004 - Disclosure - GMO Global Equity Allocation Fund Investment Strategy
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710005 - Disclosure - GMO Global Equity Allocation Fund Investment Risks
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710006 - Disclosure - GMO Global Equity Allocation Fund Performance Management
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720010 - Disclosure - GMO Global Equity Allocation Fund Shareholder Fees
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720020 - Disclosure - GMO Global Equity Allocation Fund Annual Fund Operating Expenses
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720030 - Disclosure - GMO Global Equity Allocation Fund Expense Example
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720040 - Disclosure - GMO Global Equity Allocation Fund Expense Example, No Redemption
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720045 - Disclosure - GMO Global Equity Allocation Fund Risks Data
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720050 - Disclosure - GMO Global Equity Allocation Fund Annual Total Returns
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720060 - Disclosure - GMO Global Equity Allocation Fund Average Annual Total Returns
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720070 - Disclosure - GMO Global Equity Allocation Fund Market Index Performance
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710000 - Disclosure - GMO Global Equity Allocation Fund N-1A Cover
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710001 - Disclosure - GMO Global Equity Allocation Fund N-1A Supplement
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810002 - Disclosure - GMO International Developed Equity Allocation Fund Investment Objectives and Goals
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810003 - Disclosure - GMO International Developed Equity Allocation Fund Fees and Expenses
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810004 - Disclosure - GMO International Developed Equity Allocation Fund Investment Strategy
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810005 - Disclosure - GMO International Developed Equity Allocation Fund Investment Risks
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810006 - Disclosure - GMO International Developed Equity Allocation Fund Performance Management
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820010 - Disclosure - GMO International Developed Equity Allocation Fund Shareholder Fees
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820020 - Disclosure - GMO International Developed Equity Allocation Fund Annual Fund Operating Expenses
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820030 - Disclosure - GMO International Developed Equity Allocation Fund Expense Example
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820040 - Disclosure - GMO International Developed Equity Allocation Fund Expense Example, No Redemption
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820045 - Disclosure - GMO International Developed Equity Allocation Fund Risks Data
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820050 - Disclosure - GMO International Developed Equity Allocation Fund Annual Total Returns
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820060 - Disclosure - GMO International Developed Equity Allocation Fund Average Annual Total Returns
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820070 - Disclosure - GMO International Developed Equity Allocation Fund Market Index Performance
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810000 - Disclosure - GMO International Developed Equity Allocation Fund N-1A Cover
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810001 - Disclosure - GMO International Developed Equity Allocation Fund N-1A Supplement
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910002 - Disclosure - GMO International Equity Allocation Fund Investment Objectives and Goals
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910003 - Disclosure - GMO International Equity Allocation Fund Fees and Expenses
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910004 - Disclosure - GMO International Equity Allocation Fund Investment Strategy
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910005 - Disclosure - GMO International Equity Allocation Fund Investment Risks
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910006 - Disclosure - GMO International Equity Allocation Fund Performance Management
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920010 - Disclosure - GMO International Equity Allocation Fund Shareholder Fees
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920020 - Disclosure - GMO International Equity Allocation Fund Annual Fund Operating Expenses
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920030 - Disclosure - GMO International Equity Allocation Fund Expense Example
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920040 - Disclosure - GMO International Equity Allocation Fund Expense Example, No Redemption
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920045 - Disclosure - GMO International Equity Allocation Fund Risks Data
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920050 - Disclosure - GMO International Equity Allocation Fund Annual Total Returns
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920060 - Disclosure - GMO International Equity Allocation Fund Average Annual Total Returns
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920070 - Disclosure - GMO International Equity Allocation Fund Market Index Performance
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910000 - Disclosure - GMO International Equity Allocation Fund N-1A Cover
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910001 - Disclosure - GMO International Equity Allocation Fund N-1A Supplement
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1010002 - Disclosure - GMO International Equity Fund Investment Objectives and Goals
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1010003 - Disclosure - GMO International Equity Fund Fees and Expenses
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1010004 - Disclosure - GMO International Equity Fund Investment Strategy
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1010005 - Disclosure - GMO International Equity Fund Investment Risks
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1010006 - Disclosure - GMO International Equity Fund Performance Management
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1020010 - Disclosure - GMO International Equity Fund Shareholder Fees
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1020020 - Disclosure - GMO International Equity Fund Annual Fund Operating Expenses
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1020030 - Disclosure - GMO International Equity Fund Expense Example
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1020040 - Disclosure - GMO International Equity Fund Expense Example, No Redemption
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1020045 - Disclosure - GMO International Equity Fund Risks Data
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1020050 - Disclosure - GMO International Equity Fund Annual Total Returns
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1020060 - Disclosure - GMO International Equity Fund Average Annual Total Returns
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1020070 - Disclosure - GMO International Equity Fund Market Index Performance
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1010000 - Disclosure - GMO International Equity Fund N-1A Cover
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1010001 - Disclosure - GMO International Equity Fund N-1A Supplement
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1110002 - Disclosure - GMO International Opportunistic Value Fund Investment Objectives and Goals
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1110003 - Disclosure - GMO International Opportunistic Value Fund Fees and Expenses
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1110004 - Disclosure - GMO International Opportunistic Value Fund Investment Strategy
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1110005 - Disclosure - GMO International Opportunistic Value Fund Investment Risks
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1110006 - Disclosure - GMO International Opportunistic Value Fund Performance Management
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1120010 - Disclosure - GMO International Opportunistic Value Fund Shareholder Fees
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1120020 - Disclosure - GMO International Opportunistic Value Fund Annual Fund Operating Expenses
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1120030 - Disclosure - GMO International Opportunistic Value Fund Expense Example
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1120040 - Disclosure - GMO International Opportunistic Value Fund Expense Example, No Redemption
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1120045 - Disclosure - GMO International Opportunistic Value Fund Risks Data
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1120050 - Disclosure - GMO International Opportunistic Value Fund Annual Total Returns
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1120060 - Disclosure - GMO International Opportunistic Value Fund Average Annual Total Returns
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1120070 - Disclosure - GMO International Opportunistic Value Fund Market Index Performance
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1110000 - Disclosure - GMO International Opportunistic Value Fund N-1A Cover
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1110001 - Disclosure - GMO International Opportunistic Value Fund N-1A Supplement
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1210002 - Disclosure - GMO-Usonian Japan Value Creation Fund Investment Objectives and Goals
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1210003 - Disclosure - GMO-Usonian Japan Value Creation Fund Fees and Expenses
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1210004 - Disclosure - GMO-Usonian Japan Value Creation Fund Investment Strategy
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1210005 - Disclosure - GMO-Usonian Japan Value Creation Fund Investment Risks
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1210006 - Disclosure - GMO-Usonian Japan Value Creation Fund Performance Management
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1220010 - Disclosure - GMO-Usonian Japan Value Creation Fund Shareholder Fees
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1220020 - Disclosure - GMO-Usonian Japan Value Creation Fund Annual Fund Operating Expenses
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1220030 - Disclosure - GMO-Usonian Japan Value Creation Fund Expense Example
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1220040 - Disclosure - GMO-Usonian Japan Value Creation Fund Expense Example, No Redemption
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1220045 - Disclosure - GMO-Usonian Japan Value Creation Fund Risks Data
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1220050 - Disclosure - GMO-Usonian Japan Value Creation Fund Annual Total Returns
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1220060 - Disclosure - GMO-Usonian Japan Value Creation Fund Average Annual Total Returns
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1220070 - Disclosure - GMO-Usonian Japan Value Creation Fund Market Index Performance
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1210000 - Disclosure - GMO-Usonian Japan Value Creation Fund N-1A Cover
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1210001 - Disclosure - GMO-Usonian Japan Value Creation Fund N-1A Supplement
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1310002 - Disclosure - GMO Quality Fund Investment Objectives and Goals
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1310003 - Disclosure - GMO Quality Fund Fees and Expenses
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1310004 - Disclosure - GMO Quality Fund Investment Strategy
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1310005 - Disclosure - GMO Quality Fund Investment Risks
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1310006 - Disclosure - GMO Quality Fund Performance Management
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1320010 - Disclosure - GMO Quality Fund Shareholder Fees
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1320020 - Disclosure - GMO Quality Fund Annual Fund Operating Expenses
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1320030 - Disclosure - GMO Quality Fund Expense Example
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1320040 - Disclosure - GMO Quality Fund Expense Example, No Redemption
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1320045 - Disclosure - GMO Quality Fund Risks Data
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1320050 - Disclosure - GMO Quality Fund Annual Total Returns
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1320060 - Disclosure - GMO Quality Fund Average Annual Total Returns
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1320070 - Disclosure - GMO Quality Fund Market Index Performance
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1310000 - Disclosure - GMO Quality Fund N-1A Cover
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1310001 - Disclosure - GMO Quality Fund N-1A Supplement
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1410002 - Disclosure - GMO Resources Fund Investment Objectives and Goals
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1410003 - Disclosure - GMO Resources Fund Fees and Expenses
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1410004 - Disclosure - GMO Resources Fund Investment Strategy
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1410005 - Disclosure - GMO Resources Fund Investment Risks
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1410006 - Disclosure - GMO Resources Fund Performance Management
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1420010 - Disclosure - GMO Resources Fund Shareholder Fees
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1420020 - Disclosure - GMO Resources Fund Annual Fund Operating Expenses
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1420030 - Disclosure - GMO Resources Fund Expense Example
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1420040 - Disclosure - GMO Resources Fund Expense Example, No Redemption
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1420045 - Disclosure - GMO Resources Fund Risks Data
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1420050 - Disclosure - GMO Resources Fund Annual Total Returns
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1420060 - Disclosure - GMO Resources Fund Average Annual Total Returns
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1420070 - Disclosure - GMO Resources Fund Market Index Performance
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1410000 - Disclosure - GMO Resources Fund N-1A Cover
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1410001 - Disclosure - GMO Resources Fund N-1A Supplement
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link:definitionLink
link:calculationLink
1510002 - Disclosure - GMO Resource Transition Fund Investment Objectives and Goals
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link:definitionLink
link:calculationLink
1510003 - Disclosure - GMO Resource Transition Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
1510004 - Disclosure - GMO Resource Transition Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
1510005 - Disclosure - GMO Resource Transition Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
1510006 - Disclosure - GMO Resource Transition Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
1520010 - Disclosure - GMO Resource Transition Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
1520020 - Disclosure - GMO Resource Transition Fund Annual Fund Operating Expenses
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link:definitionLink
link:calculationLink
1520030 - Disclosure - GMO Resource Transition Fund Expense Example
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link:definitionLink
link:calculationLink
1520040 - Disclosure - GMO Resource Transition Fund Expense Example, No Redemption
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link:definitionLink
link:calculationLink
1520045 - Disclosure - GMO Resource Transition Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
1520050 - Disclosure - GMO Resource Transition Fund Annual Total Returns
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link:definitionLink
link:calculationLink
1520060 - Disclosure - GMO Resource Transition Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
1520070 - Disclosure - GMO Resource Transition Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
1510000 - Disclosure - GMO Resource Transition Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
1510001 - Disclosure - GMO Resource Transition Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
1610002 - Disclosure - GMO Small Cap Quality Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
1610003 - Disclosure - GMO Small Cap Quality Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
1610004 - Disclosure - GMO Small Cap Quality Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
1610005 - Disclosure - GMO Small Cap Quality Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
1610006 - Disclosure - GMO Small Cap Quality Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
1620010 - Disclosure - GMO Small Cap Quality Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
1620020 - Disclosure - GMO Small Cap Quality Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
1620030 - Disclosure - GMO Small Cap Quality Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
1620040 - Disclosure - GMO Small Cap Quality Fund Expense Example, No Redemption
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link:definitionLink
link:calculationLink
1620045 - Disclosure - GMO Small Cap Quality Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
1620050 - Disclosure - GMO Small Cap Quality Fund Annual Total Returns
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link:definitionLink
link:calculationLink
1620060 - Disclosure - GMO Small Cap Quality Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
1620070 - Disclosure - GMO Small Cap Quality Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
1610000 - Disclosure - GMO Small Cap Quality Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
1610001 - Disclosure - GMO Small Cap Quality Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
1710002 - Disclosure - GMO U.S. Equity Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
1710003 - Disclosure - GMO U.S. Equity Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
1710004 - Disclosure - GMO U.S. Equity Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
1710005 - Disclosure - GMO U.S. Equity Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
1710006 - Disclosure - GMO U.S. Equity Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
1720010 - Disclosure - GMO U.S. Equity Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
1720020 - Disclosure - GMO U.S. Equity Fund Annual Fund Operating Expenses
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link:definitionLink
link:calculationLink
1720030 - Disclosure - GMO U.S. Equity Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
1720040 - Disclosure - GMO U.S. Equity Fund Expense Example, No Redemption
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link:definitionLink
link:calculationLink
1720045 - Disclosure - GMO U.S. Equity Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
1720050 - Disclosure - GMO U.S. Equity Fund Annual Total Returns
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link:definitionLink
link:calculationLink
1720060 - Disclosure - GMO U.S. Equity Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
1720070 - Disclosure - GMO U.S. Equity Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
1710000 - Disclosure - GMO U.S. Equity Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
1710001 - Disclosure - GMO U.S. Equity Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
1810002 - Disclosure - GMO U.S. Opportunistic Value Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
1810003 - Disclosure - GMO U.S. Opportunistic Value Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
1810004 - Disclosure - GMO U.S. Opportunistic Value Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
1810005 - Disclosure - GMO U.S. Opportunistic Value Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
1810006 - Disclosure - GMO U.S. Opportunistic Value Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
1820010 - Disclosure - GMO U.S. Opportunistic Value Fund Shareholder Fees
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link:definitionLink
link:calculationLink
1820020 - Disclosure - GMO U.S. Opportunistic Value Fund Annual Fund Operating Expenses
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link:definitionLink
link:calculationLink
1820030 - Disclosure - GMO U.S. Opportunistic Value Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
1820040 - Disclosure - GMO U.S. Opportunistic Value Fund Expense Example, No Redemption
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link:definitionLink
link:calculationLink
1820045 - Disclosure - GMO U.S. Opportunistic Value Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
1820050 - Disclosure - GMO U.S. Opportunistic Value Fund Annual Total Returns
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link:definitionLink
link:calculationLink
1820060 - Disclosure - GMO U.S. Opportunistic Value Fund Average Annual Total Returns
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link:definitionLink
link:calculationLink
1820070 - Disclosure - GMO U.S. Opportunistic Value Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
1810000 - Disclosure - GMO U.S. Opportunistic Value Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
1810001 - Disclosure - GMO U.S. Opportunistic Value Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
1910002 - Disclosure - GMO U.S. Small Cap Value Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
1910003 - Disclosure - GMO U.S. Small Cap Value Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
1910004 - Disclosure - GMO U.S. Small Cap Value Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
1910005 - Disclosure - GMO U.S. Small Cap Value Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
1910006 - Disclosure - GMO U.S. Small Cap Value Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
1920010 - Disclosure - GMO U.S. Small Cap Value Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
1920020 - Disclosure - GMO U.S. Small Cap Value Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
1920030 - Disclosure - GMO U.S. Small Cap Value Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
1920040 - Disclosure - GMO U.S. Small Cap Value Fund Expense Example, No Redemption
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link:definitionLink
link:calculationLink
1920045 - Disclosure - GMO U.S. Small Cap Value Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
1920050 - Disclosure - GMO U.S. Small Cap Value Fund Annual Total Returns
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link:definitionLink
link:calculationLink
1920060 - Disclosure - GMO U.S. Small Cap Value Fund Average Annual Total Returns
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link:definitionLink
link:calculationLink
1920070 - Disclosure - GMO U.S. Small Cap Value Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
1910000 - Disclosure - GMO U.S. Small Cap Value Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
1910001 - Disclosure - GMO U.S. Small Cap Value Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2010002 - Disclosure - GMO Emerging Country Debt Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2010003 - Disclosure - GMO Emerging Country Debt Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2010004 - Disclosure - GMO Emerging Country Debt Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2010005 - Disclosure - GMO Emerging Country Debt Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2010006 - Disclosure - GMO Emerging Country Debt Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2020010 - Disclosure - GMO Emerging Country Debt Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2020020 - Disclosure - GMO Emerging Country Debt Fund Annual Fund Operating Expenses
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link:definitionLink
link:calculationLink
2020030 - Disclosure - GMO Emerging Country Debt Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2020040 - Disclosure - GMO Emerging Country Debt Fund Expense Example, No Redemption
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link:definitionLink
link:calculationLink
2020045 - Disclosure - GMO Emerging Country Debt Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2020050 - Disclosure - GMO Emerging Country Debt Fund Annual Total Returns
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link:definitionLink
link:calculationLink
2020060 - Disclosure - GMO Emerging Country Debt Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2020070 - Disclosure - GMO Emerging Country Debt Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2010000 - Disclosure - GMO Emerging Country Debt Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2010001 - Disclosure - GMO Emerging Country Debt Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2110002 - Disclosure - GMO Emerging Country Debt Shares Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2110003 - Disclosure - GMO Emerging Country Debt Shares Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2110004 - Disclosure - GMO Emerging Country Debt Shares Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2110005 - Disclosure - GMO Emerging Country Debt Shares Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2110006 - Disclosure - GMO Emerging Country Debt Shares Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2120010 - Disclosure - GMO Emerging Country Debt Shares Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2120020 - Disclosure - GMO Emerging Country Debt Shares Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2120030 - Disclosure - GMO Emerging Country Debt Shares Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2120040 - Disclosure - GMO Emerging Country Debt Shares Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2120045 - Disclosure - GMO Emerging Country Debt Shares Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2120050 - Disclosure - GMO Emerging Country Debt Shares Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2120060 - Disclosure - GMO Emerging Country Debt Shares Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2120070 - Disclosure - GMO Emerging Country Debt Shares Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2110000 - Disclosure - GMO Emerging Country Debt Shares Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2110001 - Disclosure - GMO Emerging Country Debt Shares Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2210002 - Disclosure - GMO Emerging Markets Debt Total Return Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2210003 - Disclosure - GMO Emerging Markets Debt Total Return Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2210004 - Disclosure - GMO Emerging Markets Debt Total Return Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2210005 - Disclosure - GMO Emerging Markets Debt Total Return Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2210006 - Disclosure - GMO Emerging Markets Debt Total Return Fund Performance Management
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link:definitionLink
link:calculationLink
2220010 - Disclosure - GMO Emerging Markets Debt Total Return Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2220020 - Disclosure - GMO Emerging Markets Debt Total Return Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2220030 - Disclosure - GMO Emerging Markets Debt Total Return Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2220040 - Disclosure - GMO Emerging Markets Debt Total Return Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2220045 - Disclosure - GMO Emerging Markets Debt Total Return Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2220050 - Disclosure - GMO Emerging Markets Debt Total Return Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2220060 - Disclosure - GMO Emerging Markets Debt Total Return Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2220070 - Disclosure - GMO Emerging Markets Debt Total Return Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2210000 - Disclosure - GMO Emerging Markets Debt Total Return Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2210001 - Disclosure - GMO Emerging Markets Debt Total Return Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2310002 - Disclosure - GMO High Yield Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2310003 - Disclosure - GMO High Yield Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2310004 - Disclosure - GMO High Yield Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2310005 - Disclosure - GMO High Yield Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2310006 - Disclosure - GMO High Yield Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2320010 - Disclosure - GMO High Yield Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2320020 - Disclosure - GMO High Yield Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2320030 - Disclosure - GMO High Yield Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2320040 - Disclosure - GMO High Yield Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2320045 - Disclosure - GMO High Yield Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2320050 - Disclosure - GMO High Yield Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2320060 - Disclosure - GMO High Yield Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2320070 - Disclosure - GMO High Yield Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2310000 - Disclosure - GMO High Yield Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2310001 - Disclosure - GMO High Yield Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2410002 - Disclosure - GMO Multi-Asset Credit Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2410003 - Disclosure - GMO Multi-Asset Credit Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2410004 - Disclosure - GMO Multi-Asset Credit Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2410005 - Disclosure - GMO Multi-Asset Credit Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2410006 - Disclosure - GMO Multi-Asset Credit Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2420010 - Disclosure - GMO Multi-Asset Credit Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2420020 - Disclosure - GMO Multi-Asset Credit Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2420030 - Disclosure - GMO Multi-Asset Credit Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2420040 - Disclosure - GMO Multi-Asset Credit Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2420045 - Disclosure - GMO Multi-Asset Credit Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2420050 - Disclosure - GMO Multi-Asset Credit Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2420060 - Disclosure - GMO Multi-Asset Credit Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2420070 - Disclosure - GMO Multi-Asset Credit Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2410000 - Disclosure - GMO Multi-Asset Credit Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2410001 - Disclosure - GMO Multi-Asset Credit Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2510002 - Disclosure - GMO Opportunistic Income Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2510003 - Disclosure - GMO Opportunistic Income Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2510004 - Disclosure - GMO Opportunistic Income Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2510005 - Disclosure - GMO Opportunistic Income Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2510006 - Disclosure - GMO Opportunistic Income Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2520010 - Disclosure - GMO Opportunistic Income Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2520020 - Disclosure - GMO Opportunistic Income Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2520030 - Disclosure - GMO Opportunistic Income Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2520040 - Disclosure - GMO Opportunistic Income Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2520045 - Disclosure - GMO Opportunistic Income Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2520050 - Disclosure - GMO Opportunistic Income Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2520060 - Disclosure - GMO Opportunistic Income Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2520070 - Disclosure - GMO Opportunistic Income Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2510000 - Disclosure - GMO Opportunistic Income Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2510001 - Disclosure - GMO Opportunistic Income Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2610002 - Disclosure - GMO Alternative Allocation Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2610003 - Disclosure - GMO Alternative Allocation Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2610004 - Disclosure - GMO Alternative Allocation Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2610005 - Disclosure - GMO Alternative Allocation Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2610006 - Disclosure - GMO Alternative Allocation Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2620010 - Disclosure - GMO Alternative Allocation Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2620020 - Disclosure - GMO Alternative Allocation Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2620030 - Disclosure - GMO Alternative Allocation Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2620040 - Disclosure - GMO Alternative Allocation Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2620045 - Disclosure - GMO Alternative Allocation Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2620050 - Disclosure - GMO Alternative Allocation Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2620060 - Disclosure - GMO Alternative Allocation Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2620070 - Disclosure - GMO Alternative Allocation Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2610000 - Disclosure - GMO Alternative Allocation Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2610001 - Disclosure - GMO Alternative Allocation Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2710002 - Disclosure - GMO Asset Allocation Bond Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2710003 - Disclosure - GMO Asset Allocation Bond Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2710004 - Disclosure - GMO Asset Allocation Bond Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2710005 - Disclosure - GMO Asset Allocation Bond Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2710006 - Disclosure - GMO Asset Allocation Bond Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2720010 - Disclosure - GMO Asset Allocation Bond Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2720020 - Disclosure - GMO Asset Allocation Bond Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2720030 - Disclosure - GMO Asset Allocation Bond Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2720040 - Disclosure - GMO Asset Allocation Bond Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2720045 - Disclosure - GMO Asset Allocation Bond Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2720050 - Disclosure - GMO Asset Allocation Bond Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2720060 - Disclosure - GMO Asset Allocation Bond Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2720070 - Disclosure - GMO Asset Allocation Bond Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2710000 - Disclosure - GMO Asset Allocation Bond Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2710001 - Disclosure - GMO Asset Allocation Bond Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2810002 - Disclosure - GMO Benchmark-Free Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2810003 - Disclosure - GMO Benchmark-Free Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2810004 - Disclosure - GMO Benchmark-Free Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2810005 - Disclosure - GMO Benchmark-Free Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2810006 - Disclosure - GMO Benchmark-Free Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2820010 - Disclosure - GMO Benchmark-Free Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2820020 - Disclosure - GMO Benchmark-Free Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2820030 - Disclosure - GMO Benchmark-Free Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2820040 - Disclosure - GMO Benchmark-Free Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2820045 - Disclosure - GMO Benchmark-Free Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2820050 - Disclosure - GMO Benchmark-Free Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2820060 - Disclosure - GMO Benchmark-Free Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2820070 - Disclosure - GMO Benchmark-Free Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2810000 - Disclosure - GMO Benchmark-Free Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2810001 - Disclosure - GMO Benchmark-Free Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2910002 - Disclosure - GMO Implementation Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2910003 - Disclosure - GMO Implementation Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2910004 - Disclosure - GMO Implementation Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2910005 - Disclosure - GMO Implementation Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2910006 - Disclosure - GMO Implementation Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2920010 - Disclosure - GMO Implementation Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2920020 - Disclosure - GMO Implementation Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2920030 - Disclosure - GMO Implementation Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2920040 - Disclosure - GMO Implementation Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2920045 - Disclosure - GMO Implementation Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2920050 - Disclosure - GMO Implementation Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2920060 - Disclosure - GMO Implementation Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2920070 - Disclosure - GMO Implementation Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2910000 - Disclosure - GMO Implementation Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2910001 - Disclosure - GMO Implementation Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
3010002 - Disclosure - GMO MAC Implementation Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
3010003 - Disclosure - GMO MAC Implementation Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3010004 - Disclosure - GMO MAC Implementation Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
3010005 - Disclosure - GMO MAC Implementation Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
3010006 - Disclosure - GMO MAC Implementation Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
3020010 - Disclosure - GMO MAC Implementation Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
3020020 - Disclosure - GMO MAC Implementation Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3020030 - Disclosure - GMO MAC Implementation Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
3020040 - Disclosure - GMO MAC Implementation Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
3020045 - Disclosure - GMO MAC Implementation Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
3020050 - Disclosure - GMO MAC Implementation Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3020060 - Disclosure - GMO MAC Implementation Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3020070 - Disclosure - GMO MAC Implementation Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3010000 - Disclosure - GMO MAC Implementation Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
3010001 - Disclosure - GMO MAC Implementation Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
3110002 - Disclosure - GMO Strategic Opportunities Allocation Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
3110003 - Disclosure - GMO Strategic Opportunities Allocation Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3110004 - Disclosure - GMO Strategic Opportunities Allocation Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
3110005 - Disclosure - GMO Strategic Opportunities Allocation Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
3110006 - Disclosure - GMO Strategic Opportunities Allocation Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
3120010 - Disclosure - GMO Strategic Opportunities Allocation Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
3120020 - Disclosure - GMO Strategic Opportunities Allocation Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3120030 - Disclosure - GMO Strategic Opportunities Allocation Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
3120040 - Disclosure - GMO Strategic Opportunities Allocation Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
3120045 - Disclosure - GMO Strategic Opportunities Allocation Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
3120050 - Disclosure - GMO Strategic Opportunities Allocation Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3120060 - Disclosure - GMO Strategic Opportunities Allocation Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3120070 - Disclosure - GMO Strategic Opportunities Allocation Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3110000 - Disclosure - GMO Strategic Opportunities Allocation Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
3110001 - Disclosure - GMO Strategic Opportunities Allocation Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
3210002 - Disclosure - GMO U.S. Treasury Fund Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
3210003 - Disclosure - GMO U.S. Treasury Fund Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3210004 - Disclosure - GMO U.S. Treasury Fund Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
3210005 - Disclosure - GMO U.S. Treasury Fund Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
3210006 - Disclosure - GMO U.S. Treasury Fund Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
3220010 - Disclosure - GMO U.S. Treasury Fund Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
3220020 - Disclosure - GMO U.S. Treasury Fund Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3220030 - Disclosure - GMO U.S. Treasury Fund Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
3220040 - Disclosure - GMO U.S. Treasury Fund Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
3220045 - Disclosure - GMO U.S. Treasury Fund Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
3220050 - Disclosure - GMO U.S. Treasury Fund Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3220060 - Disclosure - GMO U.S. Treasury Fund Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3220070 - Disclosure - GMO U.S. Treasury Fund Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3210000 - Disclosure - GMO U.S. Treasury Fund N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
3210001 - Disclosure - GMO U.S. Treasury Fund N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
GMO Benchmark-Free Allocation Fund
S000005485 [Member]
Class III
C000014927 [Member]
Class IV
C000109350 [Member]
Class R6
C000213373 [Member]
Class I
C000014925 [Member]
Consumer Price Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
Bloomberg U.S. Treasury Inflation Notes: 1-10 Year Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
Bloomberg U.S. Aggregate Index (reflects no deduction for fees, expenses, or taxes)[Member]
MSCI World Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
Management and Operational Risk [Member]
Market Risk Equities [Member]
Non-U.S. Investment Risk [Member]
Market Risk Fixed Income [Member]
Derivatives and Short Sales Risk [Member]
Smaller Company Risk [Member]
Futures Contracts Risk [Member]
Credit Risk [Member]
Currency Risk [Member]
Fund of Funds Risk [Member]
Commodities Risk [Member]
Event-Driven Risk [Member]
Illiquidity Risk [Member]
Leveraging Risk [Member]
Counterparty Risk [Member]
Market Disruption and Geopolitical Risk [Member]
Market Risk Asset Backed Securities [Member]
Focused Investment Risk [Member]
Large Transactions Risk [Member]
Value Investing Risk [Member]
GMO Global Asset Allocation Fund
S000005487 [Member]
C000014933 [Member]
C000213376 [Member]
C000213377 [Member]
GMO Global Asset Allocation Index (Fund benchmark)[Member]
MSCI ACWI (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO Climate Change Fund
S000056707 [Member]
C000179795 [Member]
C000179796 [Member]
Class V
C000179797 [Member]
Class VI
C000179798 [Member]
C000213399 [Member]
C000213398 [Member]
GMO Emerging Markets Fund
S000004911 [Member]
Class II
C000013268 [Member]
C000013269 [Member]
C000013270 [Member]
C000013271 [Member]
C000013272 [Member]
C000213362 [Member]
C000213363 [Member]
MSCI Emerging Markets Index (reflects no deduction for fees or expenses, but are net of withholding tax on dividend reinvestment)[Member]
GMO Emerging Markets ex-China Fund
S000072426 [Member]
C000228648 [Member]
C000228647 [Member]
C000228649 [Member]
C000228644 [Member]
C000228643 [Member]
C000228645 [Member]
C000228646 [Member]
MSCI Emerging Markets ex-China Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestment)[Member]
GMO Global Developed Equity Allocation Fund
S000005490 [Member]
C000014938 [Member]
C000213380 [Member]
C000213381 [Member]
MSCI World Index (Fund benchmark) (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO Global Equity Allocation Fund
S000005488 [Member]
C000014936 [Member]
C000213379 [Member]
C000213378 [Member]
MSCI ACWI + (Composite index)[Member]
MSCI ACWI (Fund benchmark) (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO International Developed Equity Allocation Fund
S000012211 [Member]
C000033342 [Member]
C000213387 [Member]
C000213386 [Member]
MSCI World ex USA Index (Fund benchmark) (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
MSCI EAFE Index (Fund benchmark) (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO International Equity Allocation Fund
S000005486 [Member]
C000014930 [Member]
C000213374 [Member]
C000213375 [Member]
MSCI ACWI ex USA (Fund benchmark) (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO International Equity Fund
S000004224 [Member]
C000011880 [Member]
C000011881 [Member]
C000011882 [Member]
C000213359 [Member]
C000213358 [Member]
MSCI World ex USA Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
MSCI EAFE Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO International Opportunistic Value Fund
S000004913 [Member]
C000013282 [Member]
C000013283 [Member]
C000213365 [Member]
C000213364 [Member]
MSCI World ex USA Value Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO-Usonian Japan Value Creation Fund
S000069850 [Member]
C000222625 [Member]
C000222626 [Member]
C000222624 [Member]
C000222627 [Member]
C000222631 [Member]
C000222630 [Member]
Tokyo Stock Price Index (Total Return) (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO Quality Fund
S000004084 [Member]
C000011437 [Member]
C000011438 [Member]
C000011439 [Member]
C000011440 [Member]
C000213357 [Member]
C000213356 [Member]
S&P 500 Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
GMO Resources Fund
S000034948 [Member]
C000107485 [Member]
C000107486 [Member]
C000107487 [Member]
C000107488 [Member]
C000213393 [Member]
C000213392 [Member]
MSCI ACWI Commodity Producers Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO Resource Transition Fund
S000079719 [Member]
C000241001 [Member]
C000241002 [Member]
C000241004 [Member]
C000241005 [Member]
C000241003 [Member]
C000241006 [Member]
MSCI ACWI Commodity Producers ex-Energy Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO Small Cap Quality Fund
S000077554 [Member]
C000238041 [Member]
C000238038 [Member]
C000238040 [Member]
C000238042 [Member]
C000238037 [Member]
C000238039 [Member]
S&P SmallCap 600 Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
S&P Composite 1500 Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
GMO U.S. Equity Fund
S000004081 [Member]
C000011423 [Member]
C000011424 [Member]
C000011425 [Member]
C000011426 [Member]
C000213354 [Member]
C000213355 [Member]
S&P Composite 1500 Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
GMO U.S. Opportunistic Value Fund
S000079720 [Member]
C000241007 [Member]
C000241010 [Member]
C000241011 [Member]
C000241009 [Member]
C000241012 [Member]
MSCI USA Value Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
MSCI USA Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
S&P Composite 1500 Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
GMO U.S. Small Cap Value Fund
S000065871 [Member]
C000212814 [Member]
C000212813 [Member]
C000212811 [Member]
C000212810 [Member]
C000212815 [Member]
C000212812 [Member]
S&P SmallCap 600 Value Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
GMO Emerging Country Debt Fund
S000004922 [Member]
C000013327 [Member]
C000013328 [Member]
C000013330 [Member]
J.P. Morgan EMBI Global Diversified + (Composite index) (Fund benchmark)[Member]
GMO Emerging Country Debt Shares Fund
S000068930 [Member]
C000220256 [Member]
C000220257 [Member]
J.P. Morgan EMBI Global Diversified + (Composite index) (Fund benchmark) (reflects no deduction for fees, expenses, or taxes)[Member]
GMO Emerging Markets Debt Total Return Fund
S000103783 [Member]
C000274378 [Member]
C000274381 [Member]
C000274380 [Member]
C000274379 [Member]
C000274377 [Member]
C000274376 [Member]
GMO High Yield Fund
S000061716 [Member]
C000199930 [Member]
C000213401 [Member]
C000213400 [Member]
Markit iBoxx USD Liquid High Yield Index (Fund benchmark) (returns reflect no deduction for fees, expenses, or taxes, but are net of withholding tax on dividend reinvestments)[Member]
GMO Multi-Asset Credit Fund
S000089451 [Member]
C000256006 [Member]
C000256008 [Member]
C000256007 [Member]
C000256004 [Member]
C000256005 [Member]
GMO Opportunistic Income Fund
S000007516 [Member]
C000137450 [Member]
C000020548 [Member]
C000213385 [Member]
C000213384 [Member]
Bloomberg U.S. Securitized Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
Bloomberg U.S. Aggregate Index (returns reflect no deduction for fees, expenses, or taxes)[Member]
GMO Alternative Allocation Fund
S000065268 [Member]
C000213404 [Member]
C000211300 [Member]
C000211301 [Member]
C000211302 [Member]
C000211299 [Member]
C000213405 [Member]
C000213406 [Member]
FTSE 3-Month Treasury Bill Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)[Member]
GMO Asset Allocation Bond Fund
S000025199 [Member]
C000075099 [Member]
C000075103 [Member]
FTSE 3-Month Treasury Bill Index (Fund benchmark) (returns reflect no deduction for fees, expenses, or taxes)[Member]
GMO Benchmark-Free Fund
S000033464 [Member]
C000102896 [Member]
MSCI World Index (returns reflect no deduction for fees or expenses, but are net of withholding tax on dividend reinvestments)
 [Member]
GMO Implementation Fund
S000036091 [Member]
C000110451 [Member]
GMO MAC Implementation Fund
S000089452 [Member]
C000256009 [Member]
GMO Strategic Opportunities Allocation Fund
S000005489 [Member]
C000014937 [Member]
GMO Strategic Opportunities Allocation Index (Fund benchmark)[Member]
GMO U.S. Treasury Fund
S000025186 [Member]
C000075084 [Member]
C000251142 [Member]
C000251143 [Member]
FTSE 3-Month Treasury Bill Index (returns reflect no deduction for fees, expenses, or taxes)[Member]