Shareholder Fees (Vanguard Emerging Markets Government Bond Index Fu, USD $)	0 Months Ended
	May 14, 2013
Vanguard Emerging Markets Government Bond Index Fund - Admiral Shares
Shareholder Fees (fees paid directly from your investment]
Sales charge (load) imposed on purchases	none
Purchase Fee	0.75%
Sales charge (load) imposed on reinvested dividends	none
Redemption Fee	none
Account Service Fee (for fund account balances below $10,000)	$ 20
Vanguard Emerging Markets Government Bond Index Fund - Investor Shares
Shareholder Fees (fees paid directly from your investment]
Sales charge (load) imposed on purchases	none
Purchase Fee	0.75%
Sales charge (load) imposed on reinvested dividends	none
Redemption Fee	none
Account Service Fee (for fund account balances below $10,000)	20
Vanguard Emerging Markets Government Bond Index Fund - Institutional Shares
Shareholder Fees (fees paid directly from your investment]
Sales charge (load) imposed on purchases	none
Purchase Fee	0.75%
Sales charge (load) imposed on reinvested dividends	none
Redemption Fee	none
Account Service Fee (for fund account balances below $10,000)	$ 20
Vanguard Emerging Markets Government Bond Index Fund - ETF Shares
Shareholder Fees (fees paid directly from your investment]
Transaction Fee on Conversion to ETF Shares	0
Transaction Fee On Purchases and Sales	0
Transaction Fee On Reinvested Dividends	0
Institutional
Shareholder Fees (fees paid directly from your investment]
Purchase Fee Parenthetical	(other than on reinvested dividends or capital gains)
Retail
Shareholder Fees (fees paid directly from your investment]
Purchase Fee Parenthetical	(other than on reinvested dividends or capital gains)