v3.26.1
Vanguard International Growth Fund Expense Example - Retail Prospectus [Member] - Vanguard International Growth Fund
Aug. 31, 2025
USD ($)
Investor Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 39
Expense Example, with Redemption, 3 Years 122
Expense Example, with Redemption, 5 Years 213
Expense Example, with Redemption, 10 Years 480
Admiral Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 27
Expense Example, with Redemption, 3 Years 84
Expense Example, with Redemption, 5 Years 146
Expense Example, with Redemption, 10 Years $ 331