Vanguard Global ex-US Real Estate 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 |
|
| S&P Global ex-U.S. Property Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 21.30% | 0.37% | 2.77% |
| MSCI ACWI ex USA Index (reflects no deduction for fees or expenses)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 32.39% | 7.91% | 8.41% |
| Institutional Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 21.42% | 0.64% | 3.12% |
| Institutional Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 19.52% | (0.72%) | 1.63% |
| Institutional Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 13.02% | 0.04% | 1.91% |