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Annual Fund Operating Expenses (Vanguard International Value Fund Participant)
Vanguard International Value Fund
Vanguard International Value Fund - Investor Shares
11/1/2013 - 10/31/2014
Annual Fund Operating Expenses (Expenses that you pay each year as a percentage of the value of your investment)  
Management Fees 0.41%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= vanguard_S000004389Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012145Member
12b-1 Distribution Fee none
Other Expenses 0.03%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= vanguard_S000004389Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012145Member
Total Annual Fund Operating Expenses 0.44%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= vanguard_S000004389Member
/ rr_ProspectusShareClassAxis
= vanguard_C000012145Member