Vanguard FTSE All-World ex-US Index Fund Average Annual Total Returns - Admiral Prospectus [Member] |
12 Months Ended | 60 Months Ended | 83 Months Ended | 120 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| FTSE All-World ex US Index (reflects no deduction for fees or expenses)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 32.17% | 8.20% | 8.68% | |
| FTSE Global All Cap ex US Index (reflects no deduction for fees or expenses)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 31.95% | 8.04% | 9.47% | 8.56% |
| Admiral Shares | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 32.32% | 8.05% | 8.62% | |
| Admiral Shares | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 31.23% | 7.21% | 7.83% | |
| Admiral Shares | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 19.68% | 6.14% | 6.82% |