Document and Entity Information	Total
Prospectus:
Document Type	485BPOS
Document Period End Date	Feb. 28, 2022
Entity Registrant Name	GMO Trust
Entity Central Index Key	0000772129
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Jun. 30, 2022
Document Effective Date	Jun. 30, 2022
Prospectus Date	Jun. 30, 2022
GMO Benchmark-Free Allocation Fund \| Class I
Prospectus:
Trading Symbol	GBMIX
GMO Benchmark-Free Allocation Fund \| Class R6
Prospectus:
Trading Symbol	GBMSX
GMO Benchmark-Free Allocation Fund \| Class III
Prospectus:
Trading Symbol	GBMFX
GMO Benchmark-Free Allocation Fund \| Class IV
Prospectus:
Trading Symbol	GBMBX
GMO Global Asset Allocation Fund \| Class R6
Prospectus:
Trading Symbol	GMWRX
GMO Global Asset Allocation Fund \| Class I
Prospectus:
Trading Symbol	GMOOX
GMO Global Asset Allocation Fund \| Class III
Prospectus:
Trading Symbol	GMWAX
GMO Global Equity Allocation Fund \| Class I
Prospectus:
Trading Symbol	GAAUX
GMO Global Equity Allocation Fund \| Class R6
Prospectus:
Trading Symbol	GMADX
GMO Global Equity Allocation Fund \| Class III
Prospectus:
Trading Symbol	GMGEX
GMO Global Developed Equity Allocation Fund \| Class III
Prospectus:
Trading Symbol	GWOAX
GMO Quality Fund \| Class I
Prospectus:
Trading Symbol	GQLIX
GMO Quality Fund \| Class R6
Prospectus:
Trading Symbol	GQESX
GMO Quality Fund \| Class III
Prospectus:
Trading Symbol	GQETX
GMO Quality Fund \| Class IV
Prospectus:
Trading Symbol	GQEFX
GMO Quality Fund \| Class V
Prospectus:
Trading Symbol	GQLFX
GMO Quality Fund \| Class VI
Prospectus:
Trading Symbol	GQLOX
GMO Climate Change Fund \| Class I
Prospectus:
Trading Symbol	GCCLX
GMO Climate Change Fund \| Class R6
Prospectus:
Trading Symbol	GCCAX
GMO Climate Change Fund \| Class III
Prospectus:
Trading Symbol	GCCHX
GMO Resources Fund \| Class I
Prospectus:
Trading Symbol	GEACX
GMO Resources Fund \| Class R6
Prospectus:
Trading Symbol	GAAHX
GMO Resources Fund \| Class III
Prospectus:
Trading Symbol	GOFIX
GMO Resources Fund \| Class IV
Prospectus:
Trading Symbol	GOVIX
GMO Resources Fund \| Class VI
Prospectus:
Trading Symbol	GMOWX
GMO Quality Cyclicals Fund \| Class I
Prospectus:
Trading Symbol	GMAOX
GMO Quality Cyclicals Fund \| Class VI
Prospectus:
Trading Symbol	GMAEX
GMO Quality Cyclicals Fund \| Class III
Prospectus:
Trading Symbol	GMANX
GMO International Equity Allocation Fund \| Class R6
Prospectus:
Trading Symbol	GSXMX
GMO International Equity Allocation Fund \| Class III
Prospectus:
Trading Symbol	GIEAX
GMO International Developed Equity Allocation Fund \| Class R6
Prospectus:
Trading Symbol	GAAWX
GMO International Developed Equity Allocation Fund \| Class III
Prospectus:
Trading Symbol	GIOTX
GMO International Equity Fund \| Class I
Prospectus:
Trading Symbol	GMOUX
GMO International Equity Fund \| Class II
Prospectus:
Trading Symbol	GMICX
GMO International Equity Fund \| Class III
Prospectus:
Trading Symbol	GMOIX
GMO International Equity Fund \| Class IV
Prospectus:
Trading Symbol	GMCFX
GMO International Equity Fund \| Class M
Prospectus:
Trading Symbol	GMVMX
GMO Tax-Managed International Equities Fund \| Class III
Prospectus:
Trading Symbol	GTMIX
GMO-Usonian Japan Value Creation Fund \| Class III
Prospectus:
Trading Symbol	GMAKX
GMO-Usonian Japan Value Creation Fund \| Class VI
Prospectus:
Trading Symbol	GMAHX
GMO-Usonian Japan Value Creation Fund \| Class I
Prospectus:
Trading Symbol	GMIIX
GMO U.S. Equity Fund \| Class III
Prospectus:
Trading Symbol	GMUEX
GMO U.S. Equity Fund \| Class IV
Prospectus:
Trading Symbol	GMRTX
GMO U.S. Equity Fund \| Class V
Prospectus:
Trading Symbol	GMEQX
GMO U.S. Equity Fund \| Class VI
Prospectus:
Trading Symbol	GMCQX
GMO U.S. Equity Fund \| Class M
Prospectus:
Trading Symbol	GMTMX
GMO U.S. Small Cap Value Fund \| Class VI
Prospectus:
Trading Symbol	GCAVX
GMO Emerging Markets Fund \| Class R6
Prospectus:
Trading Symbol	GEMNX
GMO Emerging Markets Fund \| Class I
Prospectus:
Trading Symbol	GEMEX
GMO Emerging Markets Fund \| Class II
Prospectus:
Trading Symbol	GMEMX
GMO Emerging Markets Fund \| Class III
Prospectus:
Trading Symbol	GMOEX
GMO Emerging Markets Fund \| Class IV
Prospectus:
Trading Symbol	GMEFX
GMO Emerging Markets Fund \| Class V
Prospectus:
Trading Symbol	GEMVX
GMO Emerging Markets Fund \| Class VI
Prospectus:
Trading Symbol	GEMMX
GMO Emerging Markets ex-China Fund \| Class VI
Prospectus:
Trading Symbol	GMAQX
GMO Emerging Markets ex-China Fund \| Class I
Prospectus:
Trading Symbol	GMAVX
GMO Emerging Markets ex-China Fund \| Class III
Prospectus:
Trading Symbol	GMAUX
GMO Emerging Domestic Opportunities Fund \| Class I
Prospectus:
Trading Symbol	GEDBX
GMO Emerging Domestic Opportunities Fund \| Class II
Prospectus:
Trading Symbol	GEDTX
GMO Emerging Domestic Opportunities Fund \| Class III
Prospectus:
Trading Symbol	GEDSX
GMO Emerging Domestic Opportunities Fund \| Class IV
Prospectus:
Trading Symbol	GEDIX
GMO Emerging Domestic Opportunities Fund \| Class V
Prospectus:
Trading Symbol	GEDOX
GMO Emerging Domestic Opportunities Fund \| Class VI
Prospectus:
Trading Symbol	GEDFX
GMO High Yield Fund \| Class VI
Prospectus:
Trading Symbol	GHVIX
GMO Multi-Sector Fixed Income Fund \| Class III
Prospectus:
Trading Symbol	GUGAX
GMO Multi-Sector Fixed Income Fund \| Class IV
Prospectus:
Trading Symbol	GPBFX
GMO Emerging Country Debt Fund \| Class I
Prospectus:
Trading Symbol	GMAJX
GMO Emerging Country Debt Fund \| Class III
Prospectus:
Trading Symbol	GMCDX
GMO Emerging Country Debt Fund \| Class IV
Prospectus:
Trading Symbol	GMDFX
GMO Emerging Country Debt Fund \| Class VI
Prospectus:
Trading Symbol	GMOQX
GMO Emerging Country Debt Fund \| Class R6
Prospectus:
Trading Symbol	GMAFX
GMO Opportunistic Income Fund \| Class I
Prospectus:
Trading Symbol	GMOLX
GMO Opportunistic Income Fund \| Class R6
Prospectus:
Trading Symbol	GAAAX
GMO Opportunistic Income Fund \| Class VI
Prospectus:
Trading Symbol	GMODX
GMO Opportunistic Income Fund \| Class III
Prospectus:
Trading Symbol	GMOHX
GMO Alternative Allocation Fund \| Class R6
Prospectus:
Trading Symbol	GAAKX
GMO Alternative Allocation Fund \| Class I
Prospectus:
Trading Symbol	GAAGX
GMO Alternative Allocation Fund \| Class VI
Prospectus:
Trading Symbol	GAAVX
GMO SGM Major Markets Fund \| Class I
Prospectus:
Trading Symbol	GSMKX
GMO SGM Major Markets Fund \| Class R6
Prospectus:
Trading Symbol	GAAJX
GMO SGM Major Markets Fund \| Class III
Prospectus:
Trading Symbol	GSMFX
GMO SGM Major Markets Fund \| Class IV
Prospectus:
Trading Symbol	GSMJX
GMO SGM Major Markets Fund \| Class VI
Prospectus:
Trading Symbol	GSMHX
GMO Asset Allocation Bond Fund \| Class III
Prospectus:
Trading Symbol	GMOBX
GMO Asset Allocation Bond Fund \| Class VI
Prospectus:
Trading Symbol	GABFX
GMO Benchmark-Free Fund \| Class III
Prospectus:
Trading Symbol	GBFFX
GMO Implementation Fund \| GMO Implementation Fund
Prospectus:
Trading Symbol	GIMFX
GMO Strategic Opportunities Allocation Fund \| Class III
Prospectus:
Trading Symbol	GBATX
GMO U.S. Treasury Fund \| GMO U.S. Treasury Fund
Prospectus:
Trading Symbol	GUSTX

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