|Vanguard Emerging Markets Stock Idx ETF|
|The investment seeks to track the performance of a benchmark index that measures the investment return of stocks issued by companies located in emerging market countries.
The fund employs an indexing investment approach by investing substantially all (approximately 95%) of its assets in the common stocks included in the FTSE Emerging Index, while employing a form of sampling intended to reduce risk. The FTSE Emerging Index includes approximately 851 common stocks of companies located in emerging markets around the world.|
| ||VWO||Category Avg|
|Annual Report Expense Ratio (net)||0.15%||N/A|
|Annual Holdings Turnover||26.00%||N/A|
|Total Net Assets||NaN||N/A|