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Vanguard ESG International Stock ETF Average Annual Total Returns - ETF Prospectus [Member]
12 Months Ended 60 Months Ended 75 Months Ended
Aug. 31, 2025
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
FTSE Global All Cap ex US Choice Index (reflects no deduction for fees or expenses)[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   5.99% 4.03% 4.76%
FTSE Global All Cap ex US Index (reflects no deduction for fees or expenses)[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   5.53% 4.42% 4.91%
ETF Shares        
Prospectus [Line Items]        
Performance Inception Date Sep. 18, 2018      
ETF Shares | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   4.72% 3.16% 3.90%
ETF Shares | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   3.78% 2.89% 3.47%
ETF Shares | Based on NAV[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   5.50% 3.84% 4.56%
ETF Shares | Based on Market Price[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   5.78% 3.84% 4.60%