Vanguard Total International Stock Index Fund Average Annual Total Returns - Institutional Prospectus [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| 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% | 8.56% |
| Institutional Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 32.23% | 7.97% | 8.54% |
| Institutional Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 31.07% | 7.08% | 7.70% |
| Institutional Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 19.62% | 6.04% | 6.71% |
| Institutional Plus Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 32.25% | 7.98% | 8.55% |