| 
                                Sep 2022
                             | 
                            
                                
                                    Gmo Emerging Markets Fund, A Series Of Gmo Trust
                                
                             | 
                            
                                11,567,064
                             | 
                            
                            
                                6.18%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2021
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                2,633,704
                             | 
                            
                            
                                1.41%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2021
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                3,904,869
                             | 
                            
                            
                                2.09%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2021
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                3,904,869
                             | 
                            
                            
                                2.09%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2021
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                3,904,869
                             | 
                            
                            
                                2.09%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2020
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                3,904,869
                             | 
                            
                            
                                2.09%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2020
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2020
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2020
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2019
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2019
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2019
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2019
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2018
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2018
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2018
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund, A Series
                                
                             | 
                            
                                11,052,457
                             | 
                            
                            
                                5.90%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2018
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund A Series
                                
                             | 
                            
                                11,808,095
                             | 
                            
                            
                                6.31%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2017
                             | 
                            
                                
                                    Gmo Emerging Domestic Oppourtunities Fund A Series Of Gmo Trust
                                
                             | 
                            
                                10,683,040
                             | 
                            
                            
                                6.03%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2017
                             | 
                            
                                
                                    Gmo Emerging Markets Fund A Series Of Gmo Trust
                                
                             | 
                            
                                16,772,852
                             | 
                            
                            
                                9.46%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2017
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund A Series Of Gmo Trust
                                
                             | 
                            
                                10,683,040
                             | 
                            
                            
                                6.03%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2017
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund A Series Of Gmo Trust
                                
                             | 
                            
                                10,683,040
                             | 
                            
                            
                                6.03%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2017
                             | 
                            
                                
                                    Gmo Emerging Markets Fund A Series Of Gmo Trust
                                
                             | 
                            
                                16,900,000
                             | 
                            
                            
                                9.53%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2017
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund A Series Of Gmo Trust
                                
                             | 
                            
                                10,683,040
                             | 
                            
                            
                                6.03%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2017
                             | 
                            
                                
                                    Gmo Emerging Markets Fund A Series Of Gmo Trust
                                
                             | 
                            
                                16,900,000
                             | 
                            
                            
                                9.53%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2016
                             | 
                            
                                
                                    Gmo Emerging Markets Fund
                                
                             | 
                            
                                3,380,000
                             | 
                            
                            
                                9.53%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2016
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund
                                
                             | 
                            
                                2,110,969
                             | 
                            
                            
                                5.95%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2016
                             | 
                            
                                
                                    Gmo Emerging Markets Fund
                                
                             | 
                            
                                3,380,000
                             | 
                            
                            
                                9.53%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2016
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund
                                
                             | 
                            
                                2,110,969
                             | 
                            
                            
                                5.95%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2016
                             | 
                            
                                
                                    Gmo Emerging Markets Fund
                                
                             | 
                            
                                3,380,000
                             | 
                            
                            
                                9.53%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    3,380,000
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2016
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund
                                
                             | 
                            
                                2,110,969
                             | 
                            
                            
                                5.95%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2016
                             | 
                            
                                
                                    Gmo Emerging Markets Fund
                                
                             | 
                            
                                3,380,000
                             | 
                            
                            
                                9.53%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    3,380,000
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2016
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund
                                
                             | 
                            
                                2,110,969
                             | 
                            
                            
                                5.95%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2015
                             | 
                            
                                
                                    Gmo Emerging Markets Fund
                                
                             | 
                            
                                3,380,000
                             | 
                            
                            
                                9.53%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2015
                             | 
                            
                                
                                    Gmo Emerging Domestic Opportunities Fund
                                
                             | 
                            
                                2,110,969
                             | 
                            
                            
                                5.95%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 |