Vanguard International Growth Fund Average Annual Total Returns - Retail Prospectus [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
|
| MSCI ACWI ex USA Index (reflects no deduction for fees or expenses)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.53% | 4.10% | 4.80% |
| Investor Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 9.37% | 6.53% | 8.55% |
| Investor Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.10% | 4.92% | 7.50% |
| Investor Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.21% | 5.14% | 6.94% |
| Admiral Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 9.48% | 6.64% | 8.68% |