Vanguard Global Environmental Opportunities Stock Fund Average Annual Total Returns - Retail Prospectus [Member] |
12 Months Ended | 38 Months Ended | |
|---|---|---|---|
Oct. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| MSCI ACWI Index (reflects no deduction for fees or expenses)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 22.34% | 19.14% | |
| Investor Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 16.47% | 5.69% | |
| Performance Inception Date | Nov. 16, 2022 | ||
| Investor Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 16.27% | 5.43% | |
| Investor Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 10.02% | 4.39% | |
| Admiral Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 16.62% | 5.84% | |
| Performance Inception Date | Nov. 16, 2022 |