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Expense Example, No Redemption (Vanguard International Growth Fund Retail)
Vanguard International Growth Fund
Vanguard International Growth Fund - Investor Shares
9/1/2013 - 8/31/2014
USD ($)
Vanguard International Growth Fund
Vanguard International Growth Fund - Admiral Shares
9/1/2013 - 8/31/2014
USD ($)
Expense Example, No Redemption:    
1 YEAR 48rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= vanguard_S000004453Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012228Member
35rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= vanguard_S000004453Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012229Member
3 YEAR 151rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= vanguard_S000004453Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012228Member
109rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= vanguard_S000004453Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012229Member
5 YEAR 263rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= vanguard_S000004453Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012228Member
191rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= vanguard_S000004453Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012229Member
10 YEAR 591rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= vanguard_S000004453Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012228Member
431rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= vanguard_S000004453Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012229Member