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Vanguard European Stock Index Fund Average Annual Total Returns - ETF Prospectus [Member]
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
FTSE Developed Europe All Cap Index (reflects no deduction for fees or expenses)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 35.79% 10.14% 8.70%
FTSE Global All Cap ex US Index (reflects no deduction for fees or expenses)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 31.95% 8.04% 8.56%
ETF Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 34.54% 9.35% 7.95%
ETF Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 21.66% 7.91% 6.93%
ETF Shares | Based on NAV[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 35.44% 10.14% 8.73%
ETF Shares | Based on Market Price[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 35.85% 10.30% 8.76%