Vanguard International Dividend Growth Fund Average Annual Total Returns - Investor Prospectus [Member] |
12 Months Ended | 26 Months Ended | 60 Months Ended | 120 Months Ended | |
|---|---|---|---|---|---|
Oct. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P International Developed Dividend Growers Index (reflects no deduction for fees or expenses)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 15.13% | 11.96% | |||
| MSCI ACWI ex USA Index (reflects no deduction for fees or expenses)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 32.39% | 20.59% | 7.91% | 8.41% | |
| Investor Shares | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 18.77% | 9.84% | |||
| Performance Inception Date | Nov. 15, 2023 | ||||
| Investor Shares | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 18.39% | 9.43% | |||
| Investor Shares | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 11.56% | 7.63% |