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Vanguard Global ESG Select Stock Fund Average Annual Total Returns - Retail Prospectus [Member]
12 Months Ended 60 Months Ended 79 Months Ended
Jan. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
FTSE All-World Index (reflects no deduction for fees or expenses)[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   22.98% 11.56% 13.44%
Investor Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   12.21% 10.65% 13.15%
Performance Inception Date Jun. 05, 2019      
Investor Shares | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   10.90% 9.88% 12.48%
Investor Shares | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   7.95% 8.31% 10.57%
Admiral Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   12.32% 10.76% 13.26%
Performance Inception Date Jun. 05, 2019