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GMO U.S. Quality ETF Average Annual Total Returns
12 Months Ended 26 Months Ended 60 Months Ended 120 Months Ended
Feb. 28, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
S&P 500 Index (returns reflect no deduction for fees, expenses, or taxes)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   17.88% 24.56%    
U.S. Quality ETF          
Prospectus [Line Items]          
Average Annual Return, Percent   21.12% 23.35%
Performance Inception Date Nov. 13, 2023        
U.S. Quality ETF | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent   20.89% 23.11%
U.S. Quality ETF | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent   12.64% 18.23%