Expense Example, No Redemption (Vanguard Emerging Markets Select Stock Fund, Vanguard Emerging Markets Select Stock Fund - Investor Shares, USD $)	0 Months Ended
Jun. 13, 2011
Vanguard Emerging Markets Select Stock Fund \| Vanguard Emerging Markets Select Stock Fund - Investor Shares
Expense Example, No Redemption:
1 YEAR	$ 97
3 YEAR	$ 303

You would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 2
-Subparagraph 1
-Subsection example

Name:	rr_ExpenseExampleNoRedemptionYear01
Namespace Prefix:	rr
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration